clang-format all pdfium code.

core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "../../../include/fpdfapi/fpdf_render.h"
 #include "../../../include/fpdfapi/fpdf_pageobj.h"
 #include "../../../include/fxge/fx_ge.h"
 #include "../fpdf_page/pageint.h"
 #include "render_int.h"
 #define SHADING_STEPS 256
-static void _DrawAxialShading(CFX_DIBitmap* pBitmap, CFX_AffineMatrix* pObject2Bitmap,
-                              CPDF_Dictionary* pDict, CPDF_Function** pFuncs, int nFuncs,
-                              CPDF_ColorSpace* pCS, int alpha)
-{
-    ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
-    CPDF_Array* pCoords = pDict->GetArray(FX_BSTRC("Coords"));
-    if (pCoords == NULL) {
-        return;
-    }
-    FX_FLOAT start_x = pCoords->GetNumber(0);
-    FX_FLOAT start_y = pCoords->GetNumber(1);
-    FX_FLOAT end_x = pCoords->GetNumber(2);
-    FX_FLOAT end_y = pCoords->GetNumber(3);
-    FX_FLOAT t_min = 0, t_max = 1.0f;
-    CPDF_Array* pArray = pDict->GetArray(FX_BSTRC("Domain"));
-    if (pArray) {
-        t_min = pArray->GetNumber(0);
-        t_max = pArray->GetNumber(1);
-    }
-    FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE;
-    pArray = pDict->GetArray(FX_BSTRC("Extend"));
-    if (pArray) {
-        bStartExtend = pArray->GetInteger(0);
-        bEndExtend = pArray->GetInteger(1);
-    }
-    int width = pBitmap->GetWidth();
-    int height = pBitmap->GetHeight();
-    FX_FLOAT x_span = end_x - start_x;
-    FX_FLOAT y_span = end_y - start_y;
-    FX_FLOAT axis_len_square = FXSYS_Mul(x_span, x_span) + FXSYS_Mul(y_span, y_span);
-    CFX_AffineMatrix matrix;
-    matrix.SetReverse(*pObject2Bitmap);
-    int total_results = 0;
-    for (int j = 0; j < nFuncs; j ++) {
+static void _DrawAxialShading(CFX_DIBitmap* pBitmap,
+                              CFX_AffineMatrix* pObject2Bitmap,
+                              CPDF_Dictionary* pDict,
+                              CPDF_Function** pFuncs,
+                              int nFuncs,
+                              CPDF_ColorSpace* pCS,
+                              int alpha) {
+  ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
+  CPDF_Array* pCoords = pDict->GetArray(FX_BSTRC("Coords"));
+  if (pCoords == NULL) {
+    return;
+  }
+  FX_FLOAT start_x = pCoords->GetNumber(0);
+  FX_FLOAT start_y = pCoords->GetNumber(1);
+  FX_FLOAT end_x = pCoords->GetNumber(2);
+  FX_FLOAT end_y = pCoords->GetNumber(3);
+  FX_FLOAT t_min = 0, t_max = 1.0f;
+  CPDF_Array* pArray = pDict->GetArray(FX_BSTRC("Domain"));
+  if (pArray) {
+    t_min = pArray->GetNumber(0);
+    t_max = pArray->GetNumber(1);
+  }
+  FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE;
+  pArray = pDict->GetArray(FX_BSTRC("Extend"));
+  if (pArray) {
+    bStartExtend = pArray->GetInteger(0);
+    bEndExtend = pArray->GetInteger(1);
+  }
+  int width = pBitmap->GetWidth();
+  int height = pBitmap->GetHeight();
+  FX_FLOAT x_span = end_x - start_x;
+  FX_FLOAT y_span = end_y - start_y;
+  FX_FLOAT axis_len_square =
+      FXSYS_Mul(x_span, x_span) + FXSYS_Mul(y_span, y_span);
+  CFX_AffineMatrix matrix;
+  matrix.SetReverse(*pObject2Bitmap);
+  int total_results = 0;
+  for (int j = 0; j < nFuncs; j++) {
+    if (pFuncs[j]) {
+      total_results += pFuncs[j]->CountOutputs();
+    }
+  }
+  if (pCS->CountComponents() > total_results) {
+    total_results = pCS->CountComponents();
+  }
+  CFX_FixedBufGrow<FX_FLOAT, 16> result_array(total_results);
+  FX_FLOAT* pResults = result_array;
+  FXSYS_memset(pResults, 0, total_results * sizeof(FX_FLOAT));
+  FX_DWORD rgb_array[SHADING_STEPS];
+  for (int i = 0; i < SHADING_STEPS; i++) {
+    FX_FLOAT input = (t_max - t_min) * i / SHADING_STEPS + t_min;
+    int offset = 0;
+    for (int j = 0; j < nFuncs; j++) {
+      if (pFuncs[j]) {
+        int nresults = 0;
+        if (pFuncs[j]->Call(&input, 1, pResults + offset, nresults)) {
+          offset += nresults;
+        }
+      }
+    }
+    FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
+    pCS->GetRGB(pResults, R, G, B);
+    rgb_array[i] =
+        FXARGB_TODIB(FXARGB_MAKE(alpha, FXSYS_round(R * 255),
+                                 FXSYS_round(G * 255), FXSYS_round(B * 255)));
+  }
+  int pitch = pBitmap->GetPitch();
+  for (int row = 0; row < height; row++) {
+    FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch);
+    for (int column = 0; column < width; column++) {
+      FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row;
+      matrix.Transform(x, y);
+      FX_FLOAT scale = FXSYS_Div(
+          FXSYS_Mul(x - start_x, x_span) + FXSYS_Mul(y - start_y, y_span),
+          axis_len_square);
+      int index = (int32_t)(scale * (SHADING_STEPS - 1));
+      if (index < 0) {
+        if (!bStartExtend) {
+          continue;
+        }
+        index = 0;
+      } else if (index >= SHADING_STEPS) {
+        if (!bEndExtend) {
+          continue;
+        }
+        index = SHADING_STEPS - 1;
+      }
+      dib_buf[column] = rgb_array[index];
+    }
+  }
+}
+static void _DrawRadialShading(CFX_DIBitmap* pBitmap,
+                               CFX_AffineMatrix* pObject2Bitmap,
+                               CPDF_Dictionary* pDict,
+                               CPDF_Function** pFuncs,
+                               int nFuncs,
+                               CPDF_ColorSpace* pCS,
+                               int alpha) {
+  ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
+  CPDF_Array* pCoords = pDict->GetArray(FX_BSTRC("Coords"));
+  if (pCoords == NULL) {
+    return;
+  }
+  FX_FLOAT start_x = pCoords->GetNumber(0);
+  FX_FLOAT start_y = pCoords->GetNumber(1);
+  FX_FLOAT start_r = pCoords->GetNumber(2);
+  FX_FLOAT end_x = pCoords->GetNumber(3);
+  FX_FLOAT end_y = pCoords->GetNumber(4);
+  FX_FLOAT end_r = pCoords->GetNumber(5);
+  CFX_AffineMatrix matrix;
+  matrix.SetReverse(*pObject2Bitmap);
+  FX_FLOAT t_min = 0, t_max = 1.0f;
+  CPDF_Array* pArray = pDict->GetArray(FX_BSTRC("Domain"));
+  if (pArray) {
+    t_min = pArray->GetNumber(0);
+    t_max = pArray->GetNumber(1);
+  }
+  FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE;
+  pArray = pDict->GetArray(FX_BSTRC("Extend"));
+  if (pArray) {
+    bStartExtend = pArray->GetInteger(0);
+    bEndExtend = pArray->GetInteger(1);
+  }
+  int total_results = 0;
+  for (int j = 0; j < nFuncs; j++) {
+    if (pFuncs[j]) {
+      total_results += pFuncs[j]->CountOutputs();
+    }
+  }
+  if (pCS->CountComponents() > total_results) {
+    total_results = pCS->CountComponents();
+  }
+  CFX_FixedBufGrow<FX_FLOAT, 16> result_array(total_results);
+  FX_FLOAT* pResults = result_array;
+  FXSYS_memset(pResults, 0, total_results * sizeof(FX_FLOAT));
+  FX_DWORD rgb_array[SHADING_STEPS];
+  for (int i = 0; i < SHADING_STEPS; i++) {
+    FX_FLOAT input = (t_max - t_min) * i / SHADING_STEPS + t_min;
+    int offset = 0;
+    for (int j = 0; j < nFuncs; j++) {
+      if (pFuncs[j]) {
+        int nresults;
+        if (pFuncs[j]->Call(&input, 1, pResults + offset, nresults)) {
+          offset += nresults;
+        }
+      }
+    }
+    FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
+    pCS->GetRGB(pResults, R, G, B);
+    rgb_array[i] =
+        FXARGB_TODIB(FXARGB_MAKE(alpha, FXSYS_round(R * 255),
+                                 FXSYS_round(G * 255), FXSYS_round(B * 255)));
+  }
+  FX_FLOAT a = FXSYS_Mul(start_x - end_x, start_x - end_x) +
+               FXSYS_Mul(start_y - end_y, start_y - end_y) -
+               FXSYS_Mul(start_r - end_r, start_r - end_r);
+  int width = pBitmap->GetWidth();
+  int height = pBitmap->GetHeight();
+  int pitch = pBitmap->GetPitch();
+  FX_BOOL bDecreasing = FALSE;
+  if (start_r > end_r) {
+    int length = (int)FXSYS_sqrt((FXSYS_Mul(start_x - end_x, start_x - end_x) +
+                                  FXSYS_Mul(start_y - end_y, start_y - end_y)));
+    if (length < start_r - end_r) {
+      bDecreasing = TRUE;
+    }
+  }
+  for (int row = 0; row < height; row++) {
+    FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch);
+    for (int column = 0; column < width; column++) {
+      FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row;
+      matrix.Transform(x, y);
+      FX_FLOAT b = -2 * (FXSYS_Mul(x - start_x, end_x - start_x) +
+                         FXSYS_Mul(y - start_y, end_y - start_y) +
+                         FXSYS_Mul(start_r, end_r - start_r));
+      FX_FLOAT c = FXSYS_Mul(x - start_x, x - start_x) +
+                   FXSYS_Mul(y - start_y, y - start_y) -
+                   FXSYS_Mul(start_r, start_r);
+      FX_FLOAT s;
+      if (a == 0) {
+        s = FXSYS_Div(-c, b);
+      } else {
+        FX_FLOAT b2_4ac = FXSYS_Mul(b, b) - 4 * FXSYS_Mul(a, c);
+        if (b2_4ac < 0) {
+          continue;
+        }
+        FX_FLOAT root = FXSYS_sqrt(b2_4ac);
+        FX_FLOAT s1, s2;
+        if (a > 0) {
+          s1 = FXSYS_Div(-b - root, 2 * a);
+          s2 = FXSYS_Div(-b + root, 2 * a);
+        } else {
+          s2 = FXSYS_Div(-b - root, 2 * a);
+          s1 = FXSYS_Div(-b + root, 2 * a);
+        }
+        if (bDecreasing) {
+          if (s1 >= 0 || bStartExtend) {
+            s = s1;
+          } else {
+            s = s2;
+          }
+        } else {
+          if (s2 <= 1.0f || bEndExtend) {
+            s = s2;
+          } else {
+            s = s1;
+          }
+        }
+        if ((start_r + s * (end_r - start_r)) < 0) {
+          continue;
+        }
+      }
+      int index = (int32_t)(s * (SHADING_STEPS - 1));
+      if (index < 0) {
+        if (!bStartExtend) {
+          continue;
+        }
+        index = 0;
+      }
+      if (index >= SHADING_STEPS) {
+        if (!bEndExtend) {
+          continue;
+        }
+        index = SHADING_STEPS - 1;
+      }
+      dib_buf[column] = rgb_array[index];
+    }
+  }
+}
+static void _DrawFuncShading(CFX_DIBitmap* pBitmap,
+                             CFX_AffineMatrix* pObject2Bitmap,
+                             CPDF_Dictionary* pDict,
+                             CPDF_Function** pFuncs,
+                             int nFuncs,
+                             CPDF_ColorSpace* pCS,
+                             int alpha) {
+  ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
+  CPDF_Array* pDomain = pDict->GetArray(FX_BSTRC("Domain"));
+  FX_FLOAT xmin = 0, ymin = 0, xmax = 1.0f, ymax = 1.0f;
+  if (pDomain) {
+    xmin = pDomain->GetNumber(0);
+    xmax = pDomain->GetNumber(1);
+    ymin = pDomain->GetNumber(2);
+    ymax = pDomain->GetNumber(3);
+  }
+  CFX_AffineMatrix mtDomain2Target = pDict->GetMatrix(FX_BSTRC("Matrix"));
+  CFX_AffineMatrix matrix, reverse_matrix;
+  matrix.SetReverse(*pObject2Bitmap);
+  reverse_matrix.SetReverse(mtDomain2Target);
+  matrix.Concat(reverse_matrix);
+  int width = pBitmap->GetWidth();
+  int height = pBitmap->GetHeight();
+  int pitch = pBitmap->GetPitch();
+  int total_results = 0;
+  for (int j = 0; j < nFuncs; j++) {
+    if (pFuncs[j]) {
+      total_results += pFuncs[j]->CountOutputs();
+    }
+  }
+  if (pCS->CountComponents() > total_results) {
+    total_results = pCS->CountComponents();
+  }
+  CFX_FixedBufGrow<FX_FLOAT, 16> result_array(total_results);
+  FX_FLOAT* pResults = result_array;
+  FXSYS_memset(pResults, 0, total_results * sizeof(FX_FLOAT));
+  for (int row = 0; row < height; row++) {
+    FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch);
+    for (int column = 0; column < width; column++) {
+      FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row;
+      matrix.Transform(x, y);
+      if (x < xmin || x > xmax || y < ymin || y > ymax) {
+        continue;
+      }
+      FX_FLOAT input[2];
+      int offset = 0;
+      input[0] = x;
+      input[1] = y;
+      for (int j = 0; j < nFuncs; j++) {
         if (pFuncs[j]) {
-            total_results += pFuncs[j]->CountOutputs();
-        }
-    }
-    if (pCS->CountComponents() > total_results) {
-        total_results = pCS->CountComponents();
-    }
-    CFX_FixedBufGrow<FX_FLOAT, 16> result_array(total_results);
-    FX_FLOAT* pResults = result_array;
-    FXSYS_memset(pResults, 0, total_results * sizeof(FX_FLOAT));
-    FX_DWORD rgb_array[SHADING_STEPS];
-    for (int i = 0; i < SHADING_STEPS; i ++) {
-        FX_FLOAT input = (t_max - t_min) * i / SHADING_STEPS + t_min;
-        int offset = 0;
-        for (int j = 0; j < nFuncs; j ++) {
-            if (pFuncs[j]) {
-                int nresults = 0;
-                if (pFuncs[j]->Call(&input, 1, pResults + offset, nresults)) {
-                    offset += nresults;
-                }
-            }
-        }
-        FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
-        pCS->GetRGB(pResults, R, G, B);
-        rgb_array[i] = FXARGB_TODIB(FXARGB_MAKE(alpha, FXSYS_round(R * 255), FXSYS_round(G * 255), FXSYS_round(B * 255)));
-    }
-    int pitch = pBitmap->GetPitch();
-    for (int row = 0; row < height; row ++) {
-        FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch);
-        for (int column = 0; column < width; column ++) {
-            FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row;
-            matrix.Transform(x, y);
-            FX_FLOAT scale = FXSYS_Div(FXSYS_Mul(x - start_x, x_span) + FXSYS_Mul(y - start_y, y_span), axis_len_square);
-            int index = (int32_t)(scale * (SHADING_STEPS - 1));
-            if (index < 0) {
-                if (!bStartExtend) {
-                    continue;
-                }
-                index = 0;
-            } else if (index >= SHADING_STEPS) {
-                if (!bEndExtend) {
-                    continue;
-                }
-                index = SHADING_STEPS - 1;
-            }
-            dib_buf[column] = rgb_array[index];
-        }
-    }
-}
-static void _DrawRadialShading(CFX_DIBitmap* pBitmap, CFX_AffineMatrix* pObject2Bitmap,
-                               CPDF_Dictionary* pDict, CPDF_Function** pFuncs, int nFuncs,
-                               CPDF_ColorSpace* pCS, int alpha)
-{
-    ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
-    CPDF_Array* pCoords = pDict->GetArray(FX_BSTRC("Coords"));
-    if (pCoords == NULL) {
-        return;
-    }
-    FX_FLOAT start_x = pCoords->GetNumber(0);
-    FX_FLOAT start_y = pCoords->GetNumber(1);
-    FX_FLOAT start_r = pCoords->GetNumber(2);
-    FX_FLOAT end_x = pCoords->GetNumber(3);
-    FX_FLOAT end_y = pCoords->GetNumber(4);
-    FX_FLOAT end_r = pCoords->GetNumber(5);
-    CFX_AffineMatrix matrix;
-    matrix.SetReverse(*pObject2Bitmap);
-    FX_FLOAT t_min = 0, t_max = 1.0f;
-    CPDF_Array* pArray = pDict->GetArray(FX_BSTRC("Domain"));
-    if (pArray) {
-        t_min = pArray->GetNumber(0);
-        t_max = pArray->GetNumber(1);
-    }
-    FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE;
-    pArray = pDict->GetArray(FX_BSTRC("Extend"));
-    if (pArray) {
-        bStartExtend = pArray->GetInteger(0);
-        bEndExtend = pArray->GetInteger(1);
-    }
-    int total_results = 0;
-    for (int j = 0; j < nFuncs; j ++) {
-        if (pFuncs[j]) {
-            total_results += pFuncs[j]->CountOutputs();
-        }
-    }
-    if (pCS->CountComponents() > total_results) {
-        total_results = pCS->CountComponents();
-    }
-    CFX_FixedBufGrow<FX_FLOAT, 16> result_array(total_results);
-    FX_FLOAT* pResults = result_array;
-    FXSYS_memset(pResults, 0, total_results * sizeof(FX_FLOAT));
-    FX_DWORD rgb_array[SHADING_STEPS];
-    for (int i = 0; i < SHADING_STEPS; i ++) {
-        FX_FLOAT input = (t_max - t_min) * i / SHADING_STEPS + t_min;
-        int offset = 0;
-        for (int j = 0; j < nFuncs; j ++) {
-            if (pFuncs[j]) {
-                int nresults;
-                if (pFuncs[j]->Call(&input, 1, pResults + offset, nresults)) {
-                    offset += nresults;
-                }
-            }
-        }
-        FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
-        pCS->GetRGB(pResults, R, G, B);
-        rgb_array[i] = FXARGB_TODIB(FXARGB_MAKE(alpha, FXSYS_round(R * 255), FXSYS_round(G * 255), FXSYS_round(B * 255)));
-    }
-    FX_FLOAT a = FXSYS_Mul(start_x - end_x, start_x - end_x) +
-                 FXSYS_Mul(start_y - end_y, start_y - end_y) - FXSYS_Mul(start_r - end_r, start_r - end_r);
-    int width = pBitmap->GetWidth();
-    int height = pBitmap->GetHeight();
-    int pitch = pBitmap->GetPitch();
-    FX_BOOL bDecreasing = FALSE;
-    if (start_r > end_r) {
-        int length = (int)FXSYS_sqrt((FXSYS_Mul(start_x - end_x, start_x - end_x) + FXSYS_Mul(start_y - end_y, start_y - end_y)));
-        if (length < start_r - end_r) {
-            bDecreasing = TRUE;
-        }
-    }
-    for (int row = 0; row < height; row ++) {
-        FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch);
-        for (int column = 0; column < width; column ++) {
-            FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row;
-            matrix.Transform(x, y);
-            FX_FLOAT b = -2 * (FXSYS_Mul(x - start_x, end_x - start_x) + FXSYS_Mul(y - start_y, end_y - start_y) +
-                               FXSYS_Mul(start_r, end_r - start_r));
-            FX_FLOAT c = FXSYS_Mul(x - start_x, x - start_x) + FXSYS_Mul(y - start_y, y - start_y) -
-                         FXSYS_Mul(start_r, start_r);
-            FX_FLOAT s;
-            if (a == 0) {
-                s = FXSYS_Div(-c, b);
-            } else {
-                FX_FLOAT b2_4ac = FXSYS_Mul(b, b) - 4 * FXSYS_Mul(a, c);
-                if (b2_4ac < 0) {
-                    continue;
-                }
-                FX_FLOAT root = FXSYS_sqrt(b2_4ac);
-                FX_FLOAT s1, s2;
-                if (a > 0) {
-                    s1 = FXSYS_Div(-b - root, 2 * a);
-                    s2 = FXSYS_Div(-b + root, 2 * a);
-                } else {
-                    s2 = FXSYS_Div(-b - root, 2 * a);
-                    s1 = FXSYS_Div(-b + root, 2 * a);
-                }
-                if (bDecreasing) {
-                    if (s1 >= 0 || bStartExtend) {
-                        s = s1;
-                    } else {
-                        s = s2;
-                    }
-                } else {
-                    if (s2 <= 1.0f || bEndExtend) {
-                        s = s2;
-                    } else {
-                        s = s1;
-                    }
-                }
-                if ((start_r + s * (end_r - start_r)) < 0) {
-                    continue;
-                }
-            }
-            int index = (int32_t)(s * (SHADING_STEPS - 1));
-            if (index < 0) {
-                if (!bStartExtend) {
-                    continue;
-                }
-                index = 0;
-            }
-            if (index >= SHADING_STEPS) {
-                if (!bEndExtend) {
-                    continue;
-                }
-                index = SHADING_STEPS - 1;
-            }
-            dib_buf[column] = rgb_array[index];
-        }
-    }
-}
-static void _DrawFuncShading(CFX_DIBitmap* pBitmap, CFX_AffineMatrix* pObject2Bitmap,
-                             CPDF_Dictionary* pDict, CPDF_Function** pFuncs, int nFuncs,
-                             CPDF_ColorSpace* pCS, int alpha)
-{
-    ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
-    CPDF_Array* pDomain = pDict->GetArray(FX_BSTRC("Domain"));
-    FX_FLOAT xmin = 0, ymin = 0, xmax = 1.0f, ymax = 1.0f;
-    if (pDomain) {
-        xmin = pDomain->GetNumber(0);
-        xmax = pDomain->GetNumber(1);
-        ymin = pDomain->GetNumber(2);
-        ymax = pDomain->GetNumber(3);
-    }
-    CFX_AffineMatrix mtDomain2Target = pDict->GetMatrix(FX_BSTRC("Matrix"));
-    CFX_AffineMatrix matrix, reverse_matrix;
-    matrix.SetReverse(*pObject2Bitmap);
-    reverse_matrix.SetReverse(mtDomain2Target);
-    matrix.Concat(reverse_matrix);
-    int width = pBitmap->GetWidth();
-    int height = pBitmap->GetHeight();
-    int pitch = pBitmap->GetPitch();
-    int total_results = 0;
-    for (int j = 0; j < nFuncs; j ++) {
-        if (pFuncs[j]) {
-            total_results += pFuncs[j]->CountOutputs();
-        }
-    }
-    if (pCS->CountComponents() > total_results) {
-        total_results = pCS->CountComponents();
-    }
-    CFX_FixedBufGrow<FX_FLOAT, 16> result_array(total_results);
-    FX_FLOAT* pResults = result_array;
-    FXSYS_memset(pResults, 0, total_results * sizeof(FX_FLOAT));
-    for (int row = 0; row < height; row ++) {
-        FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch);
-        for (int column = 0; column < width; column ++) {
-            FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row;
-            matrix.Transform(x, y);
-            if (x < xmin || x > xmax || y < ymin || y > ymax) {
-                continue;
-            }
-            FX_FLOAT input[2];
-            int offset = 0;
-            input[0] = x;
-            input[1] = y;
-            for (int j = 0; j < nFuncs; j ++) {
-                if (pFuncs[j]) {
-                    int nresults;
-                    if (pFuncs[j]->Call(input, 2, pResults + offset, nresults)) {
-                        offset += nresults;
-                    }
-                }
-            }
-            FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
-            pCS->GetRGB(pResults, R, G, B);
-            dib_buf[column] = FXARGB_TODIB(FXARGB_MAKE(alpha, (int32_t)(R * 255), (int32_t)(G * 255), (int32_t)(B * 255)));
-        }
-    }
-}
-FX_BOOL _GetScanlineIntersect(int y, FX_FLOAT x1, FX_FLOAT y1, FX_FLOAT x2, FX_FLOAT y2, FX_FLOAT& x)
-{
-    if (y1 == y2) {
-        return FALSE;
-    }
-    if (y1 < y2) {
-        if (y < y1 || y > y2) {
-            return FALSE;
-        }
+          int nresults;
+          if (pFuncs[j]->Call(input, 2, pResults + offset, nresults)) {
+            offset += nresults;
+          }
+        }
+      }
+      FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
+      pCS->GetRGB(pResults, R, G, B);
+      dib_buf[column] = FXARGB_TODIB(FXARGB_MAKE(
+          alpha, (int32_t)(R * 255), (int32_t)(G * 255), (int32_t)(B * 255)));
+    }
+  }
+}
+FX_BOOL _GetScanlineIntersect(int y,
+                              FX_FLOAT x1,
+                              FX_FLOAT y1,
+                              FX_FLOAT x2,
+                              FX_FLOAT y2,
+                              FX_FLOAT& x) {
+  if (y1 == y2) {
+    return FALSE;
+  }
+  if (y1 < y2) {
+    if (y < y1 || y > y2) {
+      return FALSE;
+    }
+  } else {
+    if (y < y2 || y > y1) {
+      return FALSE;
+    }
+  }
+  x = x1 + FXSYS_MulDiv(x2 - x1, y - y1, y2 - y1);
+  return TRUE;
+}
+static void _DrawGouraud(CFX_DIBitmap* pBitmap,
+                         int alpha,
+                         CPDF_MeshVertex triangle[3]) {
+  FX_FLOAT min_y = triangle[0].y, max_y = triangle[0].y;
+  for (int i = 1; i < 3; i++) {
+    if (min_y > triangle[i].y) {
+      min_y = triangle[i].y;
+    }
+    if (max_y < triangle[i].y) {
+      max_y = triangle[i].y;
+    }
+  }
+  if (min_y == max_y) {
+    return;
+  }
+  int min_yi = (int)FXSYS_floor(min_y), max_yi = (int)FXSYS_ceil(max_y);
+  if (min_yi < 0) {
+    min_yi = 0;
+  }
+  if (max_yi >= pBitmap->GetHeight()) {
+    max_yi = pBitmap->GetHeight() - 1;
+  }
+  for (int y = min_yi; y <= max_yi; y++) {
+    int nIntersects = 0;
+    FX_FLOAT inter_x[3], r[3], g[3], b[3];
+    for (int i = 0; i < 3; i++) {
+      CPDF_MeshVertex& vertex1 = triangle[i];
+      CPDF_MeshVertex& vertex2 = triangle[(i + 1) % 3];
+      FX_BOOL bIntersect = _GetScanlineIntersect(
+          y, vertex1.x, vertex1.y, vertex2.x, vertex2.y, inter_x[nIntersects]);
+      if (!bIntersect) {
+        continue;
+      }
+      r[nIntersects] =
+          vertex1.r + FXSYS_MulDiv(vertex2.r - vertex1.r, y - vertex1.y,
+                                   vertex2.y - vertex1.y);
+      g[nIntersects] =
+          vertex1.g + FXSYS_MulDiv(vertex2.g - vertex1.g, y - vertex1.y,
+                                   vertex2.y - vertex1.y);
+      b[nIntersects] =
+          vertex1.b + FXSYS_MulDiv(vertex2.b - vertex1.b, y - vertex1.y,
+                                   vertex2.y - vertex1.y);
+      nIntersects++;
+    }
+    if (nIntersects != 2) {
+      continue;
+    }
+    int min_x, max_x, start_index, end_index;
+    if (inter_x[0] < inter_x[1]) {
+      min_x = (int)FXSYS_floor(inter_x[0]);
+      max_x = (int)FXSYS_ceil(inter_x[1]);
+      start_index = 0;
+      end_index = 1;
     } else {
-        if (y < y2 || y > y1) {
-            return FALSE;
-        }
-    }
-    x = x1 + FXSYS_MulDiv(x2 - x1, y - y1, y2 - y1);
-    return TRUE;
-}
-static void _DrawGouraud(CFX_DIBitmap* pBitmap, int alpha, CPDF_MeshVertex triangle[3])
-{
-    FX_FLOAT min_y = triangle[0].y, max_y = triangle[0].y;
-    for (int i = 1; i < 3; i ++) {
-        if (min_y > triangle[i].y) {
-            min_y = triangle[i].y;
-        }
-        if (max_y < triangle[i].y) {
-            max_y = triangle[i].y;
-        }
-    }
-    if (min_y == max_y) {
-        return;
-    }
-    int min_yi = (int)FXSYS_floor(min_y), max_yi = (int)FXSYS_ceil(max_y);
-    if (min_yi < 0) {
-        min_yi = 0;
-    }
-    if (max_yi >= pBitmap->GetHeight()) {
-        max_yi = pBitmap->GetHeight() - 1;
-    }
-    for (int y = min_yi; y <= max_yi; y ++) {
-        int nIntersects = 0;
-        FX_FLOAT inter_x[3], r[3], g[3], b[3];
-        for (int i = 0; i < 3; i ++) {
-            CPDF_MeshVertex& vertex1 = triangle[i];
-            CPDF_MeshVertex& vertex2 = triangle[(i + 1) % 3];
-            FX_BOOL bIntersect = _GetScanlineIntersect(y, vertex1.x, vertex1.y,
-                                 vertex2.x, vertex2.y, inter_x[nIntersects]);
-            if (!bIntersect) {
-                continue;
-            }
-            r[nIntersects] = vertex1.r + FXSYS_MulDiv(vertex2.r - vertex1.r, y - vertex1.y, vertex2.y - vertex1.y);
-            g[nIntersects] = vertex1.g + FXSYS_MulDiv(vertex2.g - vertex1.g, y - vertex1.y, vertex2.y - vertex1.y);
-            b[nIntersects] = vertex1.b + FXSYS_MulDiv(vertex2.b - vertex1.b, y - vertex1.y, vertex2.y - vertex1.y);
-            nIntersects ++;
-        }
-        if (nIntersects != 2) {
-            continue;
-        }
-        int min_x, max_x, start_index, end_index;
-        if (inter_x[0] < inter_x[1]) {
-            min_x = (int)FXSYS_floor(inter_x[0]);
-            max_x = (int)FXSYS_ceil(inter_x[1]);
-            start_index = 0;
-            end_index = 1;
-        } else {
-            min_x = (int)FXSYS_floor(inter_x[1]);
-            max_x = (int)FXSYS_ceil(inter_x[0]);
-            start_index = 1;
-            end_index = 0;
-        }
-        int start_x = min_x, end_x = max_x;
-        if (start_x < 0) {
-            start_x = 0;
-        }
-        if (end_x > pBitmap->GetWidth()) {
-            end_x = pBitmap->GetWidth();
-        }
-        uint8_t* dib_buf = pBitmap->GetBuffer() + y * pBitmap->GetPitch() + start_x * 4;
-        FX_FLOAT r_unit = (r[end_index] - r[start_index]) / (max_x - min_x);
-        FX_FLOAT g_unit = (g[end_index] - g[start_index]) / (max_x - min_x);
-        FX_FLOAT b_unit = (b[end_index] - b[start_index]) / (max_x - min_x);
-        FX_FLOAT R = r[start_index] + (start_x - min_x) * r_unit;
-        FX_FLOAT G = g[start_index] + (start_x - min_x) * g_unit;
-        FX_FLOAT B = b[start_index] + (start_x - min_x) * b_unit;
-        for (int x = start_x; x < end_x; x ++) {
-            R += r_unit;
-            G += g_unit;
-            B += b_unit;
-            FXARGB_SETDIB(dib_buf, FXARGB_MAKE(alpha, (int32_t)(R * 255), (int32_t)(G * 255), (int32_t)(B * 255)));
-            dib_buf += 4;
-        }
-    }
-}
-static void _DrawFreeGouraudShading(CFX_DIBitmap* pBitmap, CFX_AffineMatrix* pObject2Bitmap,
-                                    CPDF_Stream* pShadingStream, CPDF_Function** pFuncs, int nFuncs,
-                                    CPDF_ColorSpace* pCS, int alpha)
-{
-    ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
-    if (pShadingStream->GetType() != PDFOBJ_STREAM) {
-        return;
-    }
-    CPDF_MeshStream stream;
-    if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) {
-        return;
+      min_x = (int)FXSYS_floor(inter_x[1]);
+      max_x = (int)FXSYS_ceil(inter_x[0]);
+      start_index = 1;
+      end_index = 0;
+    }
+    int start_x = min_x, end_x = max_x;
+    if (start_x < 0) {
+      start_x = 0;
+    }
+    if (end_x > pBitmap->GetWidth()) {
+      end_x = pBitmap->GetWidth();
+    }
+    uint8_t* dib_buf =
+        pBitmap->GetBuffer() + y * pBitmap->GetPitch() + start_x * 4;
+    FX_FLOAT r_unit = (r[end_index] - r[start_index]) / (max_x - min_x);
+    FX_FLOAT g_unit = (g[end_index] - g[start_index]) / (max_x - min_x);
+    FX_FLOAT b_unit = (b[end_index] - b[start_index]) / (max_x - min_x);
+    FX_FLOAT R = r[start_index] + (start_x - min_x) * r_unit;
+    FX_FLOAT G = g[start_index] + (start_x - min_x) * g_unit;
+    FX_FLOAT B = b[start_index] + (start_x - min_x) * b_unit;
+    for (int x = start_x; x < end_x; x++) {
+      R += r_unit;
+      G += g_unit;
+      B += b_unit;
+      FXARGB_SETDIB(dib_buf,
+                    FXARGB_MAKE(alpha, (int32_t)(R * 255), (int32_t)(G * 255),
+                                (int32_t)(B * 255)));
+      dib_buf += 4;
+    }
+  }
+}
+static void _DrawFreeGouraudShading(CFX_DIBitmap* pBitmap,
+                                    CFX_AffineMatrix* pObject2Bitmap,
+                                    CPDF_Stream* pShadingStream,
+                                    CPDF_Function** pFuncs,
+                                    int nFuncs,
+                                    CPDF_ColorSpace* pCS,
+                                    int alpha) {
+  ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
+  if (pShadingStream->GetType() != PDFOBJ_STREAM) {
+    return;
+  }
+  CPDF_MeshStream stream;
+  if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) {
+    return;
+  }
+  CPDF_MeshVertex triangle[3];
+  FXSYS_memset(triangle, 0, sizeof(triangle));
+
+  while (!stream.m_BitStream.IsEOF()) {
+    CPDF_MeshVertex vertex;
+    FX_DWORD flag = stream.GetVertex(vertex, pObject2Bitmap);
+    if (flag == 0) {
+      triangle[0] = vertex;
+      for (int j = 1; j < 3; j++) {
+        stream.GetVertex(triangle[j], pObject2Bitmap);
+      }
+    } else {
+      if (flag == 1) {
+        triangle[0] = triangle[1];
+      }
+      triangle[1] = triangle[2];
+      triangle[2] = vertex;
+    }
+    _DrawGouraud(pBitmap, alpha, triangle);
+  }
+}
+static void _DrawLatticeGouraudShading(CFX_DIBitmap* pBitmap,
+                                       CFX_AffineMatrix* pObject2Bitmap,
+                                       CPDF_Stream* pShadingStream,
+                                       CPDF_Function** pFuncs,
+                                       int nFuncs,
+                                       CPDF_ColorSpace* pCS,
+                                       int alpha) {
+  ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
+  if (pShadingStream->GetType() != PDFOBJ_STREAM) {
+    return;
+  }
+  int row_verts = pShadingStream->GetDict()->GetInteger("VerticesPerRow");
+  if (row_verts < 2) {
+    return;
+  }
+  CPDF_MeshStream stream;
+  if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) {
+    return;
+  }
+  CPDF_MeshVertex* vertex = FX_Alloc2D(CPDF_MeshVertex, row_verts, 2);
+  if (!stream.GetVertexRow(vertex, row_verts, pObject2Bitmap)) {
+    FX_Free(vertex);
+    return;
+  }
+  int last_index = 0;
+  while (1) {
+    CPDF_MeshVertex* last_row = vertex + last_index * row_verts;
+    CPDF_MeshVertex* this_row = vertex + (1 - last_index) * row_verts;
+    if (!stream.GetVertexRow(this_row, row_verts, pObject2Bitmap)) {
+      FX_Free(vertex);
+      return;
     }
     CPDF_MeshVertex triangle[3];
-    FXSYS_memset(triangle, 0, sizeof(triangle));
-
-    while (!stream.m_BitStream.IsEOF()) {
-        CPDF_MeshVertex vertex;
-        FX_DWORD flag = stream.GetVertex(vertex, pObject2Bitmap);
-        if (flag == 0) {
-            triangle[0] = vertex;
-            for (int j = 1; j < 3; j ++) {
-                stream.GetVertex(triangle[j], pObject2Bitmap);
-            }
-        } else {
-            if (flag == 1) {
-                triangle[0] = triangle[1];
-            }
-            triangle[1] = triangle[2];
-            triangle[2] = vertex;
-        }
-        _DrawGouraud(pBitmap, alpha, triangle);
-    }
-}
-static void _DrawLatticeGouraudShading(CFX_DIBitmap* pBitmap, CFX_AffineMatrix* pObject2Bitmap,
-                                       CPDF_Stream* pShadingStream, CPDF_Function** pFuncs, int nFuncs,
-                                       CPDF_ColorSpace* pCS, int alpha)
-{
-    ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
-    if (pShadingStream->GetType() != PDFOBJ_STREAM) {
-        return;
-    }
-    int row_verts = pShadingStream->GetDict()->GetInteger("VerticesPerRow");
-    if (row_verts < 2) {
-        return;
-    }
-    CPDF_MeshStream stream;
-    if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) {
-        return;
-    }
-    CPDF_MeshVertex* vertex = FX_Alloc2D(CPDF_MeshVertex, row_verts, 2);
-    if (!stream.GetVertexRow(vertex, row_verts, pObject2Bitmap)) {
-        FX_Free(vertex);
-        return;
-    }
-    int last_index = 0;
-    while (1) {
-        CPDF_MeshVertex* last_row = vertex + last_index * row_verts;
-        CPDF_MeshVertex* this_row = vertex + (1 - last_index) * row_verts;
-        if (!stream.GetVertexRow(this_row, row_verts, pObject2Bitmap)) {
-            FX_Free(vertex);
-            return;
-        }
-        CPDF_MeshVertex triangle[3];
-        for (int i = 1; i < row_verts; i ++) {
-            triangle[0] = last_row[i];
-            triangle[1] = this_row[i - 1];
-            triangle[2] = last_row[i - 1];
-            _DrawGouraud(pBitmap, alpha, triangle);
-            triangle[2] = this_row[i];
-            _DrawGouraud(pBitmap, alpha, triangle);
-        }
-        last_index = 1 - last_index;
-    }
-    FX_Free(vertex);
+    for (int i = 1; i < row_verts; i++) {
+      triangle[0] = last_row[i];
+      triangle[1] = this_row[i - 1];
+      triangle[2] = last_row[i - 1];
+      _DrawGouraud(pBitmap, alpha, triangle);
+      triangle[2] = this_row[i];
+      _DrawGouraud(pBitmap, alpha, triangle);
+    }
+    last_index = 1 - last_index;
+  }
+  FX_Free(vertex);
 }
 struct Coon_BezierCoeff {
-    float a, b, c, d;
-    void FromPoints(float p0, float p1, float p2, float p3)
-    {
-        a = -p0 + 3 * p1 - 3 * p2 + p3;
-        b = 3 * p0 - 6 * p1 + 3 * p2;
-        c = -3 * p0 + 3 * p1;
-        d = p0;
-    }
-    Coon_BezierCoeff first_half()
-    {
-        Coon_BezierCoeff result;
-        result.a = a / 8;
-        result.b = b / 4;
-        result.c = c / 2;
-        result.d = d;
-        return result;
-    }
-    Coon_BezierCoeff second_half()
-    {
-        Coon_BezierCoeff result;
-        result.a = a / 8;
-        result.b = 3 * a / 8 + b / 4;
-        result.c = 3 * a / 8 + b / 2 + c / 2;
-        result.d = a / 8 + b / 4 + c / 2 + d;
-        return result;
-    }
-    void GetPoints(float p[4])
-    {
-        p[0] = d;
-        p[1] = c / 3 + p[0];
-        p[2] = b / 3 - p[0] + 2 * p[1];
-        p[3] = a + p[0] - 3 * p[1] + 3 * p[2];
-    }
-    void GetPointsReverse(float p[4])
-    {
-        p[3] = d;
-        p[2] = c / 3 + p[3];
-        p[1] = b / 3 - p[3] + 2 * p[2];
-        p[0] = a + p[3] - 3 * p[2] + 3 * p[1];
-    }
-    void BezierInterpol(Coon_BezierCoeff& C1, Coon_BezierCoeff& C2, Coon_BezierCoeff& D1, Coon_BezierCoeff& D2)
-    {
-        a = (D1.a + D2.a) / 2;
-        b = (D1.b + D2.b) / 2;
-        c = (D1.c + D2.c) / 2 - (C1.a / 8 + C1.b / 4 + C1.c / 2) + (C2.a / 8 + C2.b / 4) + (-C1.d + D2.d) / 2 - (C2.a + C2.b) / 2;
-        d = C1.a / 8 + C1.b / 4 + C1.c / 2 + C1.d;
-    }
-    float Distance()
-    {
-        float dis = a + b + c;
-        return dis < 0 ? -dis : dis;
-    }
+  float a, b, c, d;
+  void FromPoints(float p0, float p1, float p2, float p3) {
+    a = -p0 + 3 * p1 - 3 * p2 + p3;
+    b = 3 * p0 - 6 * p1 + 3 * p2;
+    c = -3 * p0 + 3 * p1;
+    d = p0;
+  }
+  Coon_BezierCoeff first_half() {
+    Coon_BezierCoeff result;
+    result.a = a / 8;
+    result.b = b / 4;
+    result.c = c / 2;
+    result.d = d;
+    return result;
+  }
+  Coon_BezierCoeff second_half() {
+    Coon_BezierCoeff result;
+    result.a = a / 8;
+    result.b = 3 * a / 8 + b / 4;
+    result.c = 3 * a / 8 + b / 2 + c / 2;
+    result.d = a / 8 + b / 4 + c / 2 + d;
+    return result;
+  }
+  void GetPoints(float p[4]) {
+    p[0] = d;
+    p[1] = c / 3 + p[0];
+    p[2] = b / 3 - p[0] + 2 * p[1];
+    p[3] = a + p[0] - 3 * p[1] + 3 * p[2];
+  }
+  void GetPointsReverse(float p[4]) {
+    p[3] = d;
+    p[2] = c / 3 + p[3];
+    p[1] = b / 3 - p[3] + 2 * p[2];
+    p[0] = a + p[3] - 3 * p[2] + 3 * p[1];
+  }
+  void BezierInterpol(Coon_BezierCoeff& C1,
+                      Coon_BezierCoeff& C2,
+                      Coon_BezierCoeff& D1,
+                      Coon_BezierCoeff& D2) {
+    a = (D1.a + D2.a) / 2;
+    b = (D1.b + D2.b) / 2;
+    c = (D1.c + D2.c) / 2 - (C1.a / 8 + C1.b / 4 + C1.c / 2) +
+        (C2.a / 8 + C2.b / 4) + (-C1.d + D2.d) / 2 - (C2.a + C2.b) / 2;
+    d = C1.a / 8 + C1.b / 4 + C1.c / 2 + C1.d;
+  }
+  float Distance() {
+    float dis = a + b + c;
+    return dis < 0 ? -dis : dis;
+  }
 };
 struct Coon_Bezier {
-    Coon_BezierCoeff x, y;
-    void FromPoints(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3)
-    {
-        x.FromPoints(x0, x1, x2, x3);
-        y.FromPoints(y0, y1, y2, y3);
-    }
-    Coon_Bezier first_half()
-    {
-        Coon_Bezier result;
-        result.x = x.first_half();
-        result.y = y.first_half();
-        return result;
-    }
-    Coon_Bezier second_half()
-    {
-        Coon_Bezier result;
-        result.x = x.second_half();
-        result.y = y.second_half();
-        return result;
-    }
-    void BezierInterpol(Coon_Bezier& C1, Coon_Bezier& C2, Coon_Bezier& D1, Coon_Bezier& D2)
-    {
-        x.BezierInterpol(C1.x, C2.x, D1.x, D2.x);
-        y.BezierInterpol(C1.y, C2.y, D1.y, D2.y);
-    }
-    void GetPoints(FX_PATHPOINT* pPoints)
-    {
-        float p[4];
-        int i;
-        x.GetPoints(p);
-        for (i = 0; i < 4; i ++) {
-            pPoints[i].m_PointX = p[i];
-        }
-        y.GetPoints(p);
-        for (i = 0; i < 4; i ++) {
-            pPoints[i].m_PointY = p[i];
-        }
-    }
-    void GetPointsReverse(FX_PATHPOINT* pPoints)
-    {
-        float p[4];
-        int i;
-        x.GetPointsReverse(p);
-        for (i = 0; i < 4; i ++) {
-            pPoints[i].m_PointX = p[i];
-        }
-        y.GetPointsReverse(p);
-        for (i = 0; i < 4; i ++) {
-            pPoints[i].m_PointY = p[i];
-        }
-    }
-    float Distance()
-    {
-        return x.Distance() + y.Distance();
-    }
+  Coon_BezierCoeff x, y;
+  void FromPoints(float x0,
+                  float y0,
+                  float x1,
+                  float y1,
+                  float x2,
+                  float y2,
+                  float x3,
+                  float y3) {
+    x.FromPoints(x0, x1, x2, x3);
+    y.FromPoints(y0, y1, y2, y3);
+  }
+  Coon_Bezier first_half() {
+    Coon_Bezier result;
+    result.x = x.first_half();
+    result.y = y.first_half();
+    return result;
+  }
+  Coon_Bezier second_half() {
+    Coon_Bezier result;
+    result.x = x.second_half();
+    result.y = y.second_half();
+    return result;
+  }
+  void BezierInterpol(Coon_Bezier& C1,
+                      Coon_Bezier& C2,
+                      Coon_Bezier& D1,
+                      Coon_Bezier& D2) {
+    x.BezierInterpol(C1.x, C2.x, D1.x, D2.x);
+    y.BezierInterpol(C1.y, C2.y, D1.y, D2.y);
+  }
+  void GetPoints(FX_PATHPOINT* pPoints) {
+    float p[4];
+    int i;
+    x.GetPoints(p);
+    for (i = 0; i < 4; i++) {
+      pPoints[i].m_PointX = p[i];
+    }
+    y.GetPoints(p);
+    for (i = 0; i < 4; i++) {
+      pPoints[i].m_PointY = p[i];
+    }
+  }
+  void GetPointsReverse(FX_PATHPOINT* pPoints) {
+    float p[4];
+    int i;
+    x.GetPointsReverse(p);
+    for (i = 0; i < 4; i++) {
+      pPoints[i].m_PointX = p[i];
+    }
+    y.GetPointsReverse(p);
+    for (i = 0; i < 4; i++) {
+      pPoints[i].m_PointY = p[i];
+    }
+  }
+  float Distance() { return x.Distance() + y.Distance(); }
 };
-static int _BiInterpol(int c0, int c1, int c2, int c3, int x, int y, int x_scale, int y_scale)
-{
-    int x1 = c0 + (c3 - c0) * x / x_scale;
-    int x2 = c1 + (c2 - c1) * x / x_scale;
-    return x1 + (x2 - x1) * y / y_scale;
+static int _BiInterpol(int c0,
+                       int c1,
+                       int c2,
+                       int c3,
+                       int x,
+                       int y,
+                       int x_scale,
+                       int y_scale) {
+  int x1 = c0 + (c3 - c0) * x / x_scale;
+  int x2 = c1 + (c2 - c1) * x / x_scale;
+  return x1 + (x2 - x1) * y / y_scale;
 }
 struct Coon_Color {
-    Coon_Color()
-    {
-        FXSYS_memset(comp, 0, sizeof(int) * 3);
-    }
-    int         comp[3];
-    void        BiInterpol(Coon_Color colors[4], int x, int y, int x_scale, int y_scale)
-    {
-        for (int i = 0; i < 3; i ++)
-            comp[i] = _BiInterpol(colors[0].comp[i], colors[1].comp[i], colors[2].comp[i], colors[3].comp[i],
-                                  x, y, x_scale, y_scale);
-    }
-    int         Distance(Coon_Color& o)
-    {
-        int max, diff;
-        max = FXSYS_abs(comp[0] - o.comp[0]);
-        diff = FXSYS_abs(comp[1] - o.comp[1]);
-        if (max < diff) {
-            max = diff;
-        }
-        diff = FXSYS_abs(comp[2] - o.comp[2]);
-        if (max < diff) {
-            max = diff;
-        }
-        return max;
-    }
+  Coon_Color() { FXSYS_memset(comp, 0, sizeof(int) * 3); }
+  int comp[3];
+  void BiInterpol(Coon_Color colors[4],
+                  int x,
+                  int y,
+                  int x_scale,
+                  int y_scale) {
+    for (int i = 0; i < 3; i++)
+      comp[i] =
+          _BiInterpol(colors[0].comp[i], colors[1].comp[i], colors[2].comp[i],
+                      colors[3].comp[i], x, y, x_scale, y_scale);
+  }
+  int Distance(Coon_Color& o) {
+    int max, diff;
+    max = FXSYS_abs(comp[0] - o.comp[0]);
+    diff = FXSYS_abs(comp[1] - o.comp[1]);
+    if (max < diff) {
+      max = diff;
+    }
+    diff = FXSYS_abs(comp[2] - o.comp[2]);
+    if (max < diff) {
+      max = diff;
+    }
+    return max;
+  }
 };
 struct CPDF_PatchDrawer {
-    Coon_Color                  patch_colors[4];
-    int                                 max_delta;
-    CFX_PathData                path;
-    CFX_RenderDevice*   pDevice;
-    int                                 fill_mode;
-    int                                 alpha;
-    void Draw(int x_scale, int y_scale, int left, int bottom, Coon_Bezier C1, Coon_Bezier C2, Coon_Bezier D1, Coon_Bezier D2)
-    {
-        FX_BOOL bSmall = C1.Distance() < 2 && C2.Distance() < 2 && D1.Distance() < 2 && D2.Distance() < 2;
-        Coon_Color div_colors[4];
-        int d_bottom, d_left, d_top, d_right;
-        div_colors[0].BiInterpol(patch_colors, left, bottom, x_scale, y_scale);
-        if (!bSmall) {
-            div_colors[1].BiInterpol(patch_colors, left, bottom + 1, x_scale, y_scale);
-            div_colors[2].BiInterpol(patch_colors, left + 1, bottom + 1, x_scale, y_scale);
-            div_colors[3].BiInterpol(patch_colors, left + 1, bottom, x_scale, y_scale);
-            d_bottom = div_colors[3].Distance(div_colors[0]);
-            d_left = div_colors[1].Distance(div_colors[0]);
-            d_top = div_colors[1].Distance(div_colors[2]);
-            d_right = div_colors[2].Distance(div_colors[3]);
-        }
+  Coon_Color patch_colors[4];
+  int max_delta;
+  CFX_PathData path;
+  CFX_RenderDevice* pDevice;
+  int fill_mode;
+  int alpha;
+  void Draw(int x_scale,
+            int y_scale,
+            int left,
+            int bottom,
+            Coon_Bezier C1,
+            Coon_Bezier C2,
+            Coon_Bezier D1,
+            Coon_Bezier D2) {
+    FX_BOOL bSmall = C1.Distance() < 2 && C2.Distance() < 2 &&
+                     D1.Distance() < 2 && D2.Distance() < 2;
+    Coon_Color div_colors[4];
+    int d_bottom, d_left, d_top, d_right;
+    div_colors[0].BiInterpol(patch_colors, left, bottom, x_scale, y_scale);
+    if (!bSmall) {
+      div_colors[1].BiInterpol(patch_colors, left, bottom + 1, x_scale,
+                               y_scale);
+      div_colors[2].BiInterpol(patch_colors, left + 1, bottom + 1, x_scale,
+                               y_scale);
+      div_colors[3].BiInterpol(patch_colors, left + 1, bottom, x_scale,
+                               y_scale);
+      d_bottom = div_colors[3].Distance(div_colors[0]);
+      d_left = div_colors[1].Distance(div_colors[0]);
+      d_top = div_colors[1].Distance(div_colors[2]);
+      d_right = div_colors[2].Distance(div_colors[3]);
+    }
 #define COONCOLOR_THRESHOLD 4
-        if (bSmall || (d_bottom < COONCOLOR_THRESHOLD && d_left < COONCOLOR_THRESHOLD &&
-                       d_top < COONCOLOR_THRESHOLD && d_right < COONCOLOR_THRESHOLD)) {
-            FX_PATHPOINT* pPoints = path.GetPoints();
-            C1.GetPoints(pPoints);
-            D2.GetPoints(pPoints + 3);
-            C2.GetPointsReverse(pPoints + 6);
-            D1.GetPointsReverse(pPoints + 9);
-            int fillFlags = FXFILL_WINDING | FXFILL_FULLCOVER;
-            if (fill_mode & RENDER_NOPATHSMOOTH) {
-                fillFlags |= FXFILL_NOPATHSMOOTH;
-            }
-            pDevice->DrawPath(&path, NULL, NULL, FXARGB_MAKE(alpha, div_colors[0].comp[0], div_colors[0].comp[1], div_colors[0].comp[2]), 0, fillFlags);
-        } else {
-            if (d_bottom < COONCOLOR_THRESHOLD && d_top < COONCOLOR_THRESHOLD) {
-                Coon_Bezier m1;
-                m1.BezierInterpol(D1, D2, C1, C2);
-                y_scale *= 2;
-                bottom *= 2;
-                Draw(x_scale, y_scale, left, bottom, C1, m1, D1.first_half(), D2.first_half());
-                Draw(x_scale, y_scale, left, bottom + 1, m1, C2, D1.second_half(), D2.second_half());
-            } else if (d_left < COONCOLOR_THRESHOLD && d_right < COONCOLOR_THRESHOLD) {
-                Coon_Bezier m2;
-                m2.BezierInterpol(C1, C2, D1, D2);
-                x_scale *= 2;
-                left *= 2;
-                Draw(x_scale, y_scale, left, bottom, C1.first_half(), C2.first_half(), D1, m2);
-                Draw(x_scale, y_scale, left + 1, bottom, C1.second_half(), C2.second_half(), m2, D2);
-            } else {
-                Coon_Bezier m1, m2;
-                m1.BezierInterpol(D1, D2, C1, C2);
-                m2.BezierInterpol(C1, C2, D1, D2);
-                Coon_Bezier m1f = m1.first_half();
-                Coon_Bezier m1s = m1.second_half();
-                Coon_Bezier m2f = m2.first_half();
-                Coon_Bezier m2s = m2.second_half();
-                x_scale *= 2;
-                y_scale *= 2;
-                left *= 2;
-                bottom *= 2;
-                Draw(x_scale, y_scale, left, bottom, C1.first_half(), m1f, D1.first_half(), m2f);
-                Draw(x_scale, y_scale, left, bottom + 1, m1f, C2.first_half(), D1.second_half(), m2s);
-                Draw(x_scale, y_scale, left + 1, bottom, C1.second_half(), m1s, m2f, D2.first_half());
-                Draw(x_scale, y_scale, left + 1, bottom + 1, m1s, C2.second_half(), m2s, D2.second_half());
-            }
-        }
-    }
+    if (bSmall ||
+        (d_bottom < COONCOLOR_THRESHOLD && d_left < COONCOLOR_THRESHOLD &&
+         d_top < COONCOLOR_THRESHOLD && d_right < COONCOLOR_THRESHOLD)) {
+      FX_PATHPOINT* pPoints = path.GetPoints();
+      C1.GetPoints(pPoints);
+      D2.GetPoints(pPoints + 3);
+      C2.GetPointsReverse(pPoints + 6);
+      D1.GetPointsReverse(pPoints + 9);
+      int fillFlags = FXFILL_WINDING | FXFILL_FULLCOVER;
+      if (fill_mode & RENDER_NOPATHSMOOTH) {
+        fillFlags |= FXFILL_NOPATHSMOOTH;
+      }
+      pDevice->DrawPath(
+          &path, NULL, NULL,
+          FXARGB_MAKE(alpha, div_colors[0].comp[0], div_colors[0].comp[1],
+                      div_colors[0].comp[2]),
+          0, fillFlags);
+    } else {
+      if (d_bottom < COONCOLOR_THRESHOLD && d_top < COONCOLOR_THRESHOLD) {
+        Coon_Bezier m1;
+        m1.BezierInterpol(D1, D2, C1, C2);
+        y_scale *= 2;
+        bottom *= 2;
+        Draw(x_scale, y_scale, left, bottom, C1, m1, D1.first_half(),
+             D2.first_half());
+        Draw(x_scale, y_scale, left, bottom + 1, m1, C2, D1.second_half(),
+             D2.second_half());
+      } else if (d_left < COONCOLOR_THRESHOLD &&
+                 d_right < COONCOLOR_THRESHOLD) {
+        Coon_Bezier m2;
+        m2.BezierInterpol(C1, C2, D1, D2);
+        x_scale *= 2;
+        left *= 2;
+        Draw(x_scale, y_scale, left, bottom, C1.first_half(), C2.first_half(),
+             D1, m2);
+        Draw(x_scale, y_scale, left + 1, bottom, C1.second_half(),
+             C2.second_half(), m2, D2);
+      } else {
+        Coon_Bezier m1, m2;
+        m1.BezierInterpol(D1, D2, C1, C2);
+        m2.BezierInterpol(C1, C2, D1, D2);
+        Coon_Bezier m1f = m1.first_half();
+        Coon_Bezier m1s = m1.second_half();
+        Coon_Bezier m2f = m2.first_half();
+        Coon_Bezier m2s = m2.second_half();
+        x_scale *= 2;
+        y_scale *= 2;
+        left *= 2;
+        bottom *= 2;
+        Draw(x_scale, y_scale, left, bottom, C1.first_half(), m1f,
+             D1.first_half(), m2f);
+        Draw(x_scale, y_scale, left, bottom + 1, m1f, C2.first_half(),
+             D1.second_half(), m2s);
+        Draw(x_scale, y_scale, left + 1, bottom, C1.second_half(), m1s, m2f,
+             D2.first_half());
+        Draw(x_scale, y_scale, left + 1, bottom + 1, m1s, C2.second_half(), m2s,
+             D2.second_half());
+      }
+    }
+  }
 };
 
-FX_BOOL _CheckCoonTensorPara(const CPDF_MeshStream &stream)
-{
-    FX_BOOL bCoorBits = ( stream.m_nCoordBits== 1   ||
-                          stream.m_nCoordBits == 2  ||
-                          stream.m_nCoordBits == 4  ||
-                          stream.m_nCoordBits == 8  ||
-                          stream.m_nCoordBits == 12 ||
-                          stream.m_nCoordBits == 16 ||
-                          stream.m_nCoordBits == 24 ||
-                          stream.m_nCoordBits == 32   );
+FX_BOOL _CheckCoonTensorPara(const CPDF_MeshStream& stream) {
+  FX_BOOL bCoorBits = (stream.m_nCoordBits == 1 || stream.m_nCoordBits == 2 ||
+                       stream.m_nCoordBits == 4 || stream.m_nCoordBits == 8 ||
+                       stream.m_nCoordBits == 12 || stream.m_nCoordBits == 16 ||
+                       stream.m_nCoordBits == 24 || stream.m_nCoordBits == 32);
 
-    FX_BOOL bCompBits = ( stream.m_nCompBits == 1  ||
-                          stream.m_nCompBits == 2  ||
-                          stream.m_nCompBits == 4  ||
-                          stream.m_nCompBits == 8  ||
-                          stream.m_nCompBits == 12 ||
-                          stream.m_nCompBits == 16   );
+  FX_BOOL bCompBits = (stream.m_nCompBits == 1 || stream.m_nCompBits == 2 ||
+                       stream.m_nCompBits == 4 || stream.m_nCompBits == 8 ||
+                       stream.m_nCompBits == 12 || stream.m_nCompBits == 16);
 
-    FX_BOOL bFlagBits = ( stream.m_nFlagBits == 2  ||
-                          stream.m_nFlagBits == 4  ||
-                          stream.m_nFlagBits == 8    );
+  FX_BOOL bFlagBits = (stream.m_nFlagBits == 2 || stream.m_nFlagBits == 4 ||
+                       stream.m_nFlagBits == 8);
 
-    return bCoorBits && bCompBits && bFlagBits;
+  return bCoorBits && bCompBits && bFlagBits;
 }
 
-static void _DrawCoonPatchMeshes(FX_BOOL bTensor, CFX_DIBitmap* pBitmap, CFX_AffineMatrix* pObject2Bitmap,
-                                 CPDF_Stream* pShadingStream, CPDF_Function** pFuncs, int nFuncs,
-                                 CPDF_ColorSpace* pCS, int fill_mode, int alpha)
-{
-    ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
-    if (pShadingStream->GetType() != PDFOBJ_STREAM) {
-        return;
-    }
-    CFX_FxgeDevice device;
-    device.Attach(pBitmap);
-    CPDF_MeshStream stream;
-    if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) {
-        return;
-    }
+static void _DrawCoonPatchMeshes(FX_BOOL bTensor,
+                                 CFX_DIBitmap* pBitmap,
+                                 CFX_AffineMatrix* pObject2Bitmap,
+                                 CPDF_Stream* pShadingStream,
+                                 CPDF_Function** pFuncs,
+                                 int nFuncs,
+                                 CPDF_ColorSpace* pCS,
+                                 int fill_mode,
+                                 int alpha) {
+  ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
+  if (pShadingStream->GetType() != PDFOBJ_STREAM) {
+    return;
+  }
+  CFX_FxgeDevice device;
+  device.Attach(pBitmap);
+  CPDF_MeshStream stream;
+  if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) {
+    return;
+  }
 
-    if (!_CheckCoonTensorPara(stream)) {
-        return;
-    }
+  if (!_CheckCoonTensorPara(stream)) {
+    return;
+  }
 
-    CPDF_PatchDrawer patch;
-    patch.alpha = alpha;
-    patch.pDevice = &device;
-    patch.fill_mode = fill_mode;
-    patch.path.SetPointCount(13);
-    FX_PATHPOINT* pPoints = patch.path.GetPoints();
-    pPoints[0].m_Flag = FXPT_MOVETO;
-    for (int i = 1; i < 13; i ++) {
-        pPoints[i].m_Flag = FXPT_BEZIERTO;
-    }
-    CFX_FloatPoint coords[16];
-    for (int i = 0; i < 16; i ++) {
-        coords[i].Set(0.0f, 0.0f);
-    }
+  CPDF_PatchDrawer patch;
+  patch.alpha = alpha;
+  patch.pDevice = &device;
+  patch.fill_mode = fill_mode;
+  patch.path.SetPointCount(13);
+  FX_PATHPOINT* pPoints = patch.path.GetPoints();
+  pPoints[0].m_Flag = FXPT_MOVETO;
+  for (int i = 1; i < 13; i++) {
+    pPoints[i].m_Flag = FXPT_BEZIERTO;
+  }
+  CFX_FloatPoint coords[16];
+  for (int i = 0; i < 16; i++) {
+    coords[i].Set(0.0f, 0.0f);
+  }
 
-    int point_count = bTensor ? 16 : 12;
-    while (!stream.m_BitStream.IsEOF()) {
-        FX_DWORD flag = stream.GetFlag();
-        int iStartPoint = 0, iStartColor = 0, i = 0;
-        if (flag) {
-            iStartPoint = 4;
-            iStartColor = 2;
-            CFX_FloatPoint tempCoords[4];
-            for (i = 0; i < 4; i ++) {
-                tempCoords[i] = coords[(flag * 3 + i) % 12];
-            }
-            FXSYS_memcpy(coords, tempCoords, sizeof(CFX_FloatPoint) * 4);
-            Coon_Color tempColors[2];
-            tempColors[0] = patch.patch_colors[flag];
-            tempColors[1] = patch.patch_colors[(flag + 1) % 4];
-            FXSYS_memcpy(patch.patch_colors, tempColors, sizeof(Coon_Color) * 2);
-        }
-        for (i = iStartPoint; i < point_count; i ++) {
-            stream.GetCoords(coords[i].x, coords[i].y);
-            pObject2Bitmap->Transform(coords[i].x, coords[i].y);
-        }
-        for (i = iStartColor; i < 4; i ++) {
-            FX_FLOAT r=0.0f, g=0.0f, b=0.0f;
-            stream.GetColor(r, g, b);
-            patch.patch_colors[i].comp[0] = (int32_t)(r * 255);
-            patch.patch_colors[i].comp[1] = (int32_t)(g * 255);
-            patch.patch_colors[i].comp[2] = (int32_t)(b * 255);
-        }
-        CFX_FloatRect bbox = CFX_FloatRect::GetBBox(coords, point_count);
-        if (bbox.right <= 0 || bbox.left >= (FX_FLOAT)pBitmap->GetWidth() || bbox.top <= 0 ||
-                bbox.bottom >= (FX_FLOAT)pBitmap->GetHeight()) {
-            continue;
-        }
-        Coon_Bezier C1, C2, D1, D2;
-        C1.FromPoints(coords[0].x, coords[0].y, coords[11].x, coords[11].y, coords[10].x, coords[10].y,
-                      coords[9].x, coords[9].y);
-        C2.FromPoints(coords[3].x, coords[3].y, coords[4].x, coords[4].y, coords[5].x, coords[5].y,
-                      coords[6].x, coords[6].y);
-        D1.FromPoints(coords[0].x, coords[0].y, coords[1].x, coords[1].y, coords[2].x, coords[2].y,
-                      coords[3].x, coords[3].y);
-        D2.FromPoints(coords[9].x, coords[9].y, coords[8].x, coords[8].y, coords[7].x, coords[7].y,
-                      coords[6].x, coords[6].y);
-        patch.Draw(1, 1, 0, 0, C1, C2, D1, D2);
-    }
-}
-void CPDF_RenderStatus::DrawShading(CPDF_ShadingPattern* pPattern, CFX_AffineMatrix* pMatrix,
-                                    FX_RECT& clip_rect, int alpha, FX_BOOL bAlphaMode)
-{
-    CPDF_Function** pFuncs = pPattern->m_pFunctions;
-    int nFuncs = pPattern->m_nFuncs;
-    CPDF_Dictionary* pDict = pPattern->m_pShadingObj->GetDict();
-    CPDF_ColorSpace* pColorSpace = pPattern->m_pCS;
-    if (pColorSpace == NULL) {
-        return;
-    }
-    FX_ARGB background = 0;
-    if (!pPattern->m_bShadingObj && pPattern->m_pShadingObj->GetDict()->KeyExist(FX_BSTRC("Background"))) {
-        CPDF_Array* pBackColor = pPattern->m_pShadingObj->GetDict()->GetArray(FX_BSTRC("Background"));
-        if (pBackColor && pBackColor->GetCount() >= (FX_DWORD)pColorSpace->CountComponents()) {
-            CFX_FixedBufGrow<FX_FLOAT, 16> comps(pColorSpace->CountComponents());
-            for (int i = 0; i < pColorSpace->CountComponents(); i ++) {
-                comps[i] = pBackColor->GetNumber(i);
-            }
-            FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
-            pColorSpace->GetRGB(comps, R, G, B);
-            background = ArgbEncode(255, (int32_t)(R * 255), (int32_t)(G * 255), (int32_t)(B * 255));
-        }
-    }
-    if (pDict->KeyExist(FX_BSTRC("BBox"))) {
-        CFX_FloatRect rect = pDict->GetRect(FX_BSTRC("BBox"));
-        rect.Transform(pMatrix);
-        clip_rect.Intersect(rect.GetOutterRect());
-    }
-    CPDF_DeviceBuffer buffer;
-    buffer.Initialize(m_pContext, m_pDevice, &clip_rect, m_pCurObj, 150);
-    CFX_AffineMatrix FinalMatrix = *pMatrix;
-    FinalMatrix.Concat(*buffer.GetMatrix());
-    CFX_DIBitmap* pBitmap = buffer.GetBitmap();
-    if (pBitmap->GetBuffer() == NULL) {
-        return;
-    }
-    pBitmap->Clear(background);
-    int fill_mode = m_Options.m_Flags;
-    switch (pPattern->m_ShadingType) {
-        case 1:
-            _DrawFuncShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, pColorSpace, alpha);
-            break;
-        case 2:
-            _DrawAxialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, pColorSpace, alpha);
-            break;
-        case 3:
-            _DrawRadialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, pColorSpace, alpha);
-            break;
-        case 4: {
-                _DrawFreeGouraudShading(pBitmap, &FinalMatrix, (CPDF_Stream*)pPattern->m_pShadingObj,
-                                        pFuncs, nFuncs, pColorSpace, alpha);
-            }
-            break;
-        case 5: {
-                _DrawLatticeGouraudShading(pBitmap, &FinalMatrix, (CPDF_Stream*)pPattern->m_pShadingObj,
-                                           pFuncs, nFuncs, pColorSpace, alpha);
-            }
-            break;
-        case 6:
-        case 7: {
-                _DrawCoonPatchMeshes(pPattern->m_ShadingType - 6, pBitmap, &FinalMatrix, (CPDF_Stream*)pPattern->m_pShadingObj,
-                                     pFuncs, nFuncs, pColorSpace, fill_mode, alpha);
-            }
-            break;
-    }
-    if (bAlphaMode) {
-        pBitmap->LoadChannel(FXDIB_Red, pBitmap, FXDIB_Alpha);
-    }
-    if (m_Options.m_ColorMode == RENDER_COLOR_GRAY) {
-        pBitmap->ConvertColorScale(m_Options.m_ForeColor, m_Options.m_BackColor);
-    }
-    buffer.OutputToDevice();
-}
-void CPDF_RenderStatus::DrawShadingPattern(CPDF_ShadingPattern* pattern, CPDF_PageObject* pPageObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStroke)
-{
-    if (!pattern->Load()) {
-        return;
-    }
-    m_pDevice->SaveState();
-    if (pPageObj->m_Type == PDFPAGE_PATH) {
-        if (!SelectClipPath((CPDF_PathObject*)pPageObj, pObj2Device, bStroke)) {
-            m_pDevice->RestoreState();
-            return;
-        }
-    } else if (pPageObj->m_Type == PDFPAGE_IMAGE) {
-        FX_RECT rect = pPageObj->GetBBox(pObj2Device);
-        m_pDevice->SetClip_Rect(&rect);
-    } else {
-        return;
-    }
-    FX_RECT rect;
-    if (GetObjectClippedRect(pPageObj, pObj2Device, FALSE, rect)) {
+  int point_count = bTensor ? 16 : 12;
+  while (!stream.m_BitStream.IsEOF()) {
+    FX_DWORD flag = stream.GetFlag();
+    int iStartPoint = 0, iStartColor = 0, i = 0;
+    if (flag) {
+      iStartPoint = 4;
+      iStartColor = 2;
+      CFX_FloatPoint tempCoords[4];
+      for (i = 0; i < 4; i++) {
+        tempCoords[i] = coords[(flag * 3 + i) % 12];
+      }
+      FXSYS_memcpy(coords, tempCoords, sizeof(CFX_FloatPoint) * 4);
+      Coon_Color tempColors[2];
+      tempColors[0] = patch.patch_colors[flag];
+      tempColors[1] = patch.patch_colors[(flag + 1) % 4];
+      FXSYS_memcpy(patch.patch_colors, tempColors, sizeof(Coon_Color) * 2);
+    }
+    for (i = iStartPoint; i < point_count; i++) {
+      stream.GetCoords(coords[i].x, coords[i].y);
+      pObject2Bitmap->Transform(coords[i].x, coords[i].y);
+    }
+    for (i = iStartColor; i < 4; i++) {
+      FX_FLOAT r = 0.0f, g = 0.0f, b = 0.0f;
+      stream.GetColor(r, g, b);
+      patch.patch_colors[i].comp[0] = (int32_t)(r * 255);
+      patch.patch_colors[i].comp[1] = (int32_t)(g * 255);
+      patch.patch_colors[i].comp[2] = (int32_t)(b * 255);
+    }
+    CFX_FloatRect bbox = CFX_FloatRect::GetBBox(coords, point_count);
+    if (bbox.right <= 0 || bbox.left >= (FX_FLOAT)pBitmap->GetWidth() ||
+        bbox.top <= 0 || bbox.bottom >= (FX_FLOAT)pBitmap->GetHeight()) {
+      continue;
+    }
+    Coon_Bezier C1, C2, D1, D2;
+    C1.FromPoints(coords[0].x, coords[0].y, coords[11].x, coords[11].y,
+                  coords[10].x, coords[10].y, coords[9].x, coords[9].y);
+    C2.FromPoints(coords[3].x, coords[3].y, coords[4].x, coords[4].y,
+                  coords[5].x, coords[5].y, coords[6].x, coords[6].y);
+    D1.FromPoints(coords[0].x, coords[0].y, coords[1].x, coords[1].y,
+                  coords[2].x, coords[2].y, coords[3].x, coords[3].y);
+    D2.FromPoints(coords[9].x, coords[9].y, coords[8].x, coords[8].y,
+                  coords[7].x, coords[7].y, coords[6].x, coords[6].y);
+    patch.Draw(1, 1, 0, 0, C1, C2, D1, D2);
+  }
+}
+void CPDF_RenderStatus::DrawShading(CPDF_ShadingPattern* pPattern,
+                                    CFX_AffineMatrix* pMatrix,
+                                    FX_RECT& clip_rect,
+                                    int alpha,
+                                    FX_BOOL bAlphaMode) {
+  CPDF_Function** pFuncs = pPattern->m_pFunctions;
+  int nFuncs = pPattern->m_nFuncs;
+  CPDF_Dictionary* pDict = pPattern->m_pShadingObj->GetDict();
+  CPDF_ColorSpace* pColorSpace = pPattern->m_pCS;
+  if (pColorSpace == NULL) {
+    return;
+  }
+  FX_ARGB background = 0;
+  if (!pPattern->m_bShadingObj &&
+      pPattern->m_pShadingObj->GetDict()->KeyExist(FX_BSTRC("Background"))) {
+    CPDF_Array* pBackColor =
+        pPattern->m_pShadingObj->GetDict()->GetArray(FX_BSTRC("Background"));
+    if (pBackColor &&
+        pBackColor->GetCount() >= (FX_DWORD)pColorSpace->CountComponents()) {
+      CFX_FixedBufGrow<FX_FLOAT, 16> comps(pColorSpace->CountComponents());
+      for (int i = 0; i < pColorSpace->CountComponents(); i++) {
+        comps[i] = pBackColor->GetNumber(i);
+      }
+      FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
+      pColorSpace->GetRGB(comps, R, G, B);
+      background = ArgbEncode(255, (int32_t)(R * 255), (int32_t)(G * 255),
+                              (int32_t)(B * 255));
+    }
+  }
+  if (pDict->KeyExist(FX_BSTRC("BBox"))) {
+    CFX_FloatRect rect = pDict->GetRect(FX_BSTRC("BBox"));
+    rect.Transform(pMatrix);
+    clip_rect.Intersect(rect.GetOutterRect());
+  }
+  CPDF_DeviceBuffer buffer;
+  buffer.Initialize(m_pContext, m_pDevice, &clip_rect, m_pCurObj, 150);
+  CFX_AffineMatrix FinalMatrix = *pMatrix;
+  FinalMatrix.Concat(*buffer.GetMatrix());
+  CFX_DIBitmap* pBitmap = buffer.GetBitmap();
+  if (pBitmap->GetBuffer() == NULL) {
+    return;
+  }
+  pBitmap->Clear(background);
+  int fill_mode = m_Options.m_Flags;
+  switch (pPattern->m_ShadingType) {
+    case 1:
+      _DrawFuncShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
+                       pColorSpace, alpha);
+      break;
+    case 2:
+      _DrawAxialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
+                        pColorSpace, alpha);
+      break;
+    case 3:
+      _DrawRadialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
+                         pColorSpace, alpha);
+      break;
+    case 4: {
+      _DrawFreeGouraudShading(pBitmap, &FinalMatrix,
+                              (CPDF_Stream*)pPattern->m_pShadingObj, pFuncs,
+                              nFuncs, pColorSpace, alpha);
+    } break;
+    case 5: {
+      _DrawLatticeGouraudShading(pBitmap, &FinalMatrix,
+                                 (CPDF_Stream*)pPattern->m_pShadingObj, pFuncs,
+                                 nFuncs, pColorSpace, alpha);
+    } break;
+    case 6:
+    case 7: {
+      _DrawCoonPatchMeshes(pPattern->m_ShadingType - 6, pBitmap, &FinalMatrix,
+                           (CPDF_Stream*)pPattern->m_pShadingObj, pFuncs,
+                           nFuncs, pColorSpace, fill_mode, alpha);
+    } break;
+  }
+  if (bAlphaMode) {
+    pBitmap->LoadChannel(FXDIB_Red, pBitmap, FXDIB_Alpha);
+  }
+  if (m_Options.m_ColorMode == RENDER_COLOR_GRAY) {
+    pBitmap->ConvertColorScale(m_Options.m_ForeColor, m_Options.m_BackColor);
+  }
+  buffer.OutputToDevice();
+}
+void CPDF_RenderStatus::DrawShadingPattern(CPDF_ShadingPattern* pattern,
+                                           CPDF_PageObject* pPageObj,
+                                           const CFX_AffineMatrix* pObj2Device,
+                                           FX_BOOL bStroke) {
+  if (!pattern->Load()) {
+    return;
+  }
+  m_pDevice->SaveState();
+  if (pPageObj->m_Type == PDFPAGE_PATH) {
+    if (!SelectClipPath((CPDF_PathObject*)pPageObj, pObj2Device, bStroke)) {
+      m_pDevice->RestoreState();
+      return;
+    }
+  } else if (pPageObj->m_Type == PDFPAGE_IMAGE) {
+    FX_RECT rect = pPageObj->GetBBox(pObj2Device);
+    m_pDevice->SetClip_Rect(&rect);
+  } else {
+    return;
+  }
+  FX_RECT rect;
+  if (GetObjectClippedRect(pPageObj, pObj2Device, FALSE, rect)) {
+    m_pDevice->RestoreState();
+    return;
+  }
+  CFX_AffineMatrix matrix = pattern->m_Pattern2Form;
+  matrix.Concat(*pObj2Device);
+  GetScaledMatrix(matrix);
+  int alpha = pPageObj->m_GeneralState.GetAlpha(bStroke);
+  DrawShading(pattern, &matrix, rect, alpha,
+              m_Options.m_ColorMode == RENDER_COLOR_ALPHA);
+  m_pDevice->RestoreState();
+}
+FX_BOOL CPDF_RenderStatus::ProcessShading(CPDF_ShadingObject* pShadingObj,
+                                          const CFX_AffineMatrix* pObj2Device) {
+  FX_RECT rect = pShadingObj->GetBBox(pObj2Device);
+  FX_RECT clip_box = m_pDevice->GetClipBox();
+  rect.Intersect(clip_box);
+  if (rect.IsEmpty()) {
+    return TRUE;
+  }
+  CFX_AffineMatrix matrix = pShadingObj->m_Matrix;
+  matrix.Concat(*pObj2Device);
+  DrawShading(pShadingObj->m_pShading, &matrix, rect,
+              pShadingObj->m_GeneralState.GetAlpha(FALSE),
+              m_Options.m_ColorMode == RENDER_COLOR_ALPHA);
+  return TRUE;
+}
+static CFX_DIBitmap* DrawPatternBitmap(CPDF_Document* pDoc,
+                                       CPDF_PageRenderCache* pCache,
+                                       CPDF_TilingPattern* pPattern,
+                                       const CFX_AffineMatrix* pObject2Device,
+                                       int width,
+                                       int height,
+                                       int flags) {
+  CFX_DIBitmap* pBitmap = new CFX_DIBitmap;
+  if (!pBitmap->Create(width, height,
+                       pPattern->m_bColored ? FXDIB_Argb : FXDIB_8bppMask)) {
+    delete pBitmap;
+    return NULL;
+  }
+  CFX_FxgeDevice bitmap_device;
+  bitmap_device.Attach(pBitmap);
+  pBitmap->Clear(0);
+  CFX_FloatRect cell_bbox = pPattern->m_BBox;
+  pPattern->m_Pattern2Form.TransformRect(cell_bbox);
+  pObject2Device->TransformRect(cell_bbox);
+  CFX_FloatRect bitmap_rect(0.0f, 0.0f, (FX_FLOAT)width, (FX_FLOAT)height);
+  CFX_AffineMatrix mtAdjust;
+  mtAdjust.MatchRect(bitmap_rect, cell_bbox);
+  CFX_AffineMatrix mtPattern2Bitmap = *pObject2Device;
+  mtPattern2Bitmap.Concat(mtAdjust);
+  CPDF_RenderOptions options;
+  if (!pPattern->m_bColored) {
+    options.m_ColorMode = RENDER_COLOR_ALPHA;
+  }
+  flags |= RENDER_FORCE_HALFTONE;
+  options.m_Flags = flags;
+  CPDF_RenderContext context;
+  context.Create(pDoc, pCache, NULL);
+  context.DrawObjectList(&bitmap_device, pPattern->m_pForm, &mtPattern2Bitmap,
+                         &options);
+  return pBitmap;
+}
+void CPDF_RenderStatus::DrawTilingPattern(CPDF_TilingPattern* pPattern,
+                                          CPDF_PageObject* pPageObj,
+                                          const CFX_AffineMatrix* pObj2Device,
+                                          FX_BOOL bStroke) {
+  if (!pPattern->Load()) {
+    return;
+  }
+  m_pDevice->SaveState();
+  if (pPageObj->m_Type == PDFPAGE_PATH) {
+    if (!SelectClipPath((CPDF_PathObject*)pPageObj, pObj2Device, bStroke)) {
+      m_pDevice->RestoreState();
+      return;
+    }
+  } else if (pPageObj->m_Type == PDFPAGE_IMAGE) {
+    FX_RECT rect = pPageObj->GetBBox(pObj2Device);
+    m_pDevice->SetClip_Rect(&rect);
+  } else {
+    return;
+  }
+  FX_RECT clip_box = m_pDevice->GetClipBox();
+  if (clip_box.IsEmpty()) {
+    m_pDevice->RestoreState();
+    return;
+  }
+  CFX_Matrix dCTM = m_pDevice->GetCTM();
+  FX_FLOAT sa = FXSYS_fabs(dCTM.a);
+  FX_FLOAT sd = FXSYS_fabs(dCTM.d);
+  clip_box.right = clip_box.left + (int32_t)FXSYS_ceil(clip_box.Width() * sa);
+  clip_box.bottom = clip_box.top + (int32_t)FXSYS_ceil(clip_box.Height() * sd);
+  CFX_AffineMatrix mtPattern2Device = pPattern->m_Pattern2Form;
+  mtPattern2Device.Concat(*pObj2Device);
+  GetScaledMatrix(mtPattern2Device);
+  FX_BOOL bAligned = FALSE;
+  if (pPattern->m_BBox.left == 0 && pPattern->m_BBox.bottom == 0 &&
+      pPattern->m_BBox.right == pPattern->m_XStep &&
+      pPattern->m_BBox.top == pPattern->m_YStep &&
+      (mtPattern2Device.IsScaled() || mtPattern2Device.Is90Rotated())) {
+    bAligned = TRUE;
+  }
+  CFX_FloatRect cell_bbox = pPattern->m_BBox;
+  mtPattern2Device.TransformRect(cell_bbox);
+  int width = (int)FXSYS_ceil(cell_bbox.Width());
+  int height = (int)FXSYS_ceil(cell_bbox.Height());
+  if (width == 0) {
+    width = 1;
+  }
+  if (height == 0) {
+    height = 1;
+  }
+  int min_col, max_col, min_row, max_row;
+  CFX_AffineMatrix mtDevice2Pattern;
+  mtDevice2Pattern.SetReverse(mtPattern2Device);
+  CFX_FloatRect clip_box_p(clip_box);
+  clip_box_p.Transform(&mtDevice2Pattern);
+  min_col = (int)FXSYS_ceil(
+      FXSYS_Div(clip_box_p.left - pPattern->m_BBox.right, pPattern->m_XStep));
+  max_col = (int)FXSYS_floor(
+      FXSYS_Div(clip_box_p.right - pPattern->m_BBox.left, pPattern->m_XStep));
+  min_row = (int)FXSYS_ceil(
+      FXSYS_Div(clip_box_p.bottom - pPattern->m_BBox.top, pPattern->m_YStep));
+  max_row = (int)FXSYS_floor(
+      FXSYS_Div(clip_box_p.top - pPattern->m_BBox.bottom, pPattern->m_YStep));
+  if (width > clip_box.Width() || height > clip_box.Height() ||
+      width * height > clip_box.Width() * clip_box.Height()) {
+    CPDF_GraphicStates* pStates = NULL;
+    if (!pPattern->m_bColored) {
+      pStates = CloneObjStates(pPageObj, bStroke);
+    }
+    CPDF_Dictionary* pFormResource = NULL;
+    if (pPattern->m_pForm->m_pFormDict) {
+      pFormResource =
+          pPattern->m_pForm->m_pFormDict->GetDict(FX_BSTRC("Resources"));
+    }
+    for (int col = min_col; col <= max_col; col++)
+      for (int row = min_row; row <= max_row; row++) {
+        FX_FLOAT orig_x, orig_y;
+        orig_x = col * pPattern->m_XStep;
+        orig_y = row * pPattern->m_YStep;
+        mtPattern2Device.Transform(orig_x, orig_y);
+        CFX_AffineMatrix matrix = *pObj2Device;
+        matrix.Translate(orig_x - mtPattern2Device.e,
+                         orig_y - mtPattern2Device.f);
+        m_pDevice->SaveState();
+        CPDF_RenderStatus status;
+        status.Initialize(m_pContext, m_pDevice, NULL, NULL, this, pStates,
+                          &m_Options, pPattern->m_pForm->m_Transparency,
+                          m_bDropObjects, pFormResource);
+        status.RenderObjectList(pPattern->m_pForm, &matrix);
         m_pDevice->RestoreState();
-        return;
-    }
-    CFX_AffineMatrix matrix = pattern->m_Pattern2Form;
-    matrix.Concat(*pObj2Device);
-    GetScaledMatrix(matrix);
-    int alpha = pPageObj->m_GeneralState.GetAlpha(bStroke);
-    DrawShading(pattern, &matrix, rect, alpha, m_Options.m_ColorMode == RENDER_COLOR_ALPHA);
+      }
     m_pDevice->RestoreState();
-}
-FX_BOOL CPDF_RenderStatus::ProcessShading(CPDF_ShadingObject* pShadingObj, const CFX_AffineMatrix* pObj2Device)
-{
-    FX_RECT rect = pShadingObj->GetBBox(pObj2Device);
-    FX_RECT clip_box = m_pDevice->GetClipBox();
-    rect.Intersect(clip_box);
-    if (rect.IsEmpty()) {
-        return TRUE;
-    }
-    CFX_AffineMatrix matrix = pShadingObj->m_Matrix;
-    matrix.Concat(*pObj2Device);
-    DrawShading(pShadingObj->m_pShading, &matrix, rect, pShadingObj->m_GeneralState.GetAlpha(FALSE),
-                m_Options.m_ColorMode == RENDER_COLOR_ALPHA);
-    return TRUE;
-}
-static CFX_DIBitmap* DrawPatternBitmap(CPDF_Document* pDoc, CPDF_PageRenderCache* pCache,
-                                       CPDF_TilingPattern* pPattern, const CFX_AffineMatrix* pObject2Device,
-                                       int width, int height, int flags)
-{
-    CFX_DIBitmap* pBitmap = new CFX_DIBitmap;
-    if (!pBitmap->Create(width, height, pPattern->m_bColored ? FXDIB_Argb : FXDIB_8bppMask)) {
-        delete pBitmap;
-        return NULL;
-    }
-    CFX_FxgeDevice bitmap_device;
-    bitmap_device.Attach(pBitmap);
-    pBitmap->Clear(0);
-    CFX_FloatRect cell_bbox = pPattern->m_BBox;
-    pPattern->m_Pattern2Form.TransformRect(cell_bbox);
-    pObject2Device->TransformRect(cell_bbox);
-    CFX_FloatRect bitmap_rect(0.0f, 0.0f, (FX_FLOAT)width, (FX_FLOAT)height);
-    CFX_AffineMatrix mtAdjust;
-    mtAdjust.MatchRect(bitmap_rect, cell_bbox);
-    CFX_AffineMatrix mtPattern2Bitmap = *pObject2Device;
-    mtPattern2Bitmap.Concat(mtAdjust);
-    CPDF_RenderOptions options;
-    if (!pPattern->m_bColored) {
-        options.m_ColorMode = RENDER_COLOR_ALPHA;
-    }
-    flags |= RENDER_FORCE_HALFTONE;
-    options.m_Flags = flags;
-    CPDF_RenderContext context;
-    context.Create(pDoc, pCache, NULL);
-    context.DrawObjectList(&bitmap_device, pPattern->m_pForm, &mtPattern2Bitmap, &options);
-    return pBitmap;
-}
-void CPDF_RenderStatus::DrawTilingPattern(CPDF_TilingPattern* pPattern, CPDF_PageObject* pPageObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStroke)
-{
-    if (!pPattern->Load()) {
-        return;
-    }
-    m_pDevice->SaveState();
-    if (pPageObj->m_Type == PDFPAGE_PATH) {
-        if (!SelectClipPath((CPDF_PathObject*)pPageObj, pObj2Device, bStroke)) {
-            m_pDevice->RestoreState();
-            return;
-        }
-    } else if (pPageObj->m_Type == PDFPAGE_IMAGE) {
-        FX_RECT rect = pPageObj->GetBBox(pObj2Device);
-        m_pDevice->SetClip_Rect(&rect);
-    } else {
-        return;
-    }
-    FX_RECT clip_box = m_pDevice->GetClipBox();
-    if (clip_box.IsEmpty()) {
-        m_pDevice->RestoreState();
-        return;
-    }
-    CFX_Matrix dCTM = m_pDevice->GetCTM();
-    FX_FLOAT sa = FXSYS_fabs(dCTM.a);
-    FX_FLOAT sd = FXSYS_fabs(dCTM.d);
-    clip_box.right = clip_box.left + (int32_t)FXSYS_ceil(clip_box.Width() * sa);
-    clip_box.bottom = clip_box.top + (int32_t)FXSYS_ceil(clip_box.Height() * sd);
-    CFX_AffineMatrix mtPattern2Device = pPattern->m_Pattern2Form;
-    mtPattern2Device.Concat(*pObj2Device);
-    GetScaledMatrix(mtPattern2Device);
-    FX_BOOL bAligned = FALSE;
-    if (pPattern->m_BBox.left == 0 && pPattern->m_BBox.bottom == 0 &&
-            pPattern->m_BBox.right == pPattern->m_XStep && pPattern->m_BBox.top == pPattern->m_YStep &&
-            (mtPattern2Device.IsScaled() || mtPattern2Device.Is90Rotated())) {
-        bAligned = TRUE;
-    }
-    CFX_FloatRect cell_bbox = pPattern->m_BBox;
-    mtPattern2Device.TransformRect(cell_bbox);
-    int width = (int)FXSYS_ceil(cell_bbox.Width());
-    int height = (int)FXSYS_ceil(cell_bbox.Height());
-    if (width == 0) {
-        width = 1;
-    }
-    if (height == 0) {
-        height = 1;
-    }
-    int min_col, max_col, min_row, max_row;
-    CFX_AffineMatrix mtDevice2Pattern;
-    mtDevice2Pattern.SetReverse(mtPattern2Device);
-    CFX_FloatRect clip_box_p(clip_box);
-    clip_box_p.Transform(&mtDevice2Pattern);
-    min_col = (int)FXSYS_ceil(FXSYS_Div(clip_box_p.left - pPattern->m_BBox.right, pPattern->m_XStep));
-    max_col = (int)FXSYS_floor(FXSYS_Div(clip_box_p.right - pPattern->m_BBox.left, pPattern->m_XStep));
-    min_row = (int)FXSYS_ceil(FXSYS_Div(clip_box_p.bottom - pPattern->m_BBox.top, pPattern->m_YStep));
-    max_row = (int)FXSYS_floor(FXSYS_Div(clip_box_p.top - pPattern->m_BBox.bottom, pPattern->m_YStep));
-    if (width > clip_box.Width() || height > clip_box.Height() || width * height > clip_box.Width() * clip_box.Height()) {
-        CPDF_GraphicStates* pStates = NULL;
-        if (!pPattern->m_bColored) {
-            pStates = CloneObjStates(pPageObj, bStroke);
-        }
-        CPDF_Dictionary* pFormResource = NULL;
-        if (pPattern->m_pForm->m_pFormDict) {
-            pFormResource = pPattern->m_pForm->m_pFormDict->GetDict(FX_BSTRC("Resources"));
-        }
-        for (int col = min_col; col <= max_col; col ++)
-            for (int row = min_row; row <= max_row; row ++) {
-                FX_FLOAT orig_x, orig_y;
-                orig_x = col * pPattern->m_XStep;
-                orig_y = row * pPattern->m_YStep;
-                mtPattern2Device.Transform(orig_x, orig_y);
-                CFX_AffineMatrix matrix = *pObj2Device;
-                matrix.Translate(orig_x - mtPattern2Device.e, orig_y - mtPattern2Device.f);
-                m_pDevice->SaveState();
-                CPDF_RenderStatus status;
-                status.Initialize(m_pContext, m_pDevice, NULL, NULL, this, pStates, &m_Options,
-                                  pPattern->m_pForm->m_Transparency, m_bDropObjects, pFormResource);
-                status.RenderObjectList(pPattern->m_pForm, &matrix);
-                m_pDevice->RestoreState();
-            }
-        m_pDevice->RestoreState();
-        delete pStates;
-        return;
-    }
-    if (bAligned) {
-        int orig_x = FXSYS_round(mtPattern2Device.e);
-        int orig_y = FXSYS_round(mtPattern2Device.f);
-        min_col = (clip_box.left - orig_x) / width;
-        if (clip_box.left < orig_x) {
-            min_col --;
-        }
-        max_col = (clip_box.right - orig_x) / width;
-        if (clip_box.right <= orig_x) {
-            max_col --;
-        }
-        min_row = (clip_box.top - orig_y) / height;
-        if (clip_box.top < orig_y) {
-            min_row --;
-        }
-        max_row = (clip_box.bottom - orig_y) / height;
-        if (clip_box.bottom <= orig_y) {
-            max_row --;
-        }
-    }
-    FX_FLOAT left_offset = cell_bbox.left - mtPattern2Device.e;
-    FX_FLOAT top_offset = cell_bbox.bottom - mtPattern2Device.f;
-    CFX_DIBitmap* pPatternBitmap = NULL;
-    if (width * height < 16) {
-        CFX_DIBitmap* pEnlargedBitmap = DrawPatternBitmap(m_pContext->m_pDocument, m_pContext->m_pPageCache, pPattern, pObj2Device, 8, 8, m_Options.m_Flags);
-        pPatternBitmap = pEnlargedBitmap->StretchTo(width, height);
-        delete pEnlargedBitmap;
-    } else {
-        pPatternBitmap = DrawPatternBitmap(m_pContext->m_pDocument, m_pContext->m_pPageCache, pPattern, pObj2Device, width, height, m_Options.m_Flags);
-    }
-    if (pPatternBitmap == NULL) {
-        m_pDevice->RestoreState();
-        return;
-    }
-    if (m_Options.m_ColorMode == RENDER_COLOR_GRAY) {
-        pPatternBitmap->ConvertColorScale(m_Options.m_ForeColor, m_Options.m_BackColor);
-    }
-    FX_ARGB fill_argb = GetFillArgb(pPageObj);
-    int clip_width = clip_box.right - clip_box.left;
-    int clip_height = clip_box.bottom - clip_box.top;
-    CFX_DIBitmap screen;
-    if (!screen.Create(clip_width, clip_height, FXDIB_Argb)) {
-        return;
-    }
-    screen.Clear(0);
-    FX_DWORD* src_buf = (FX_DWORD*)pPatternBitmap->GetBuffer();
-    for (int col = min_col; col <= max_col; col ++) {
-        for (int row = min_row; row <= max_row; row ++) {
-            int start_x, start_y;
-            if (bAligned) {
-                start_x = FXSYS_round(mtPattern2Device.e) + col * width - clip_box.left;
-                start_y = FXSYS_round(mtPattern2Device.f) + row * height - clip_box.top;
-            } else {
-                FX_FLOAT orig_x = col * pPattern->m_XStep;
-                FX_FLOAT orig_y = row * pPattern->m_YStep;
-                mtPattern2Device.Transform(orig_x, orig_y);
-                start_x = FXSYS_round(orig_x + left_offset) - clip_box.left;
-                start_y = FXSYS_round(orig_y + top_offset) - clip_box.top;
-            }
-            if (width == 1 && height == 1) {
-                if (start_x < 0 || start_x >= clip_box.Width() || start_y < 0 || start_y >= clip_box.Height()) {
-                    continue;
-                }
-                FX_DWORD* dest_buf = (FX_DWORD*)(screen.GetBuffer() + screen.GetPitch() * start_y + start_x * 4);
-                if (pPattern->m_bColored) {
-                    *dest_buf = *src_buf;
-                } else {
-                    *dest_buf = (*(uint8_t*)src_buf << 24) | (fill_argb & 0xffffff);
-                }
-            } else {
-                if (pPattern->m_bColored) {
-                    screen.CompositeBitmap(start_x, start_y, width, height, pPatternBitmap, 0, 0);
-                } else {
-                    screen.CompositeMask(start_x, start_y, width, height, pPatternBitmap, fill_argb, 0, 0);
-                }
-            }
-        }
-    }
-    CompositeDIBitmap(&screen, clip_box.left, clip_box.top, 0, 255, FXDIB_BLEND_NORMAL, FALSE);
+    delete pStates;
+    return;
+  }
+  if (bAligned) {
+    int orig_x = FXSYS_round(mtPattern2Device.e);
+    int orig_y = FXSYS_round(mtPattern2Device.f);
+    min_col = (clip_box.left - orig_x) / width;
+    if (clip_box.left < orig_x) {
+      min_col--;
+    }
+    max_col = (clip_box.right - orig_x) / width;
+    if (clip_box.right <= orig_x) {
+      max_col--;
+    }
+    min_row = (clip_box.top - orig_y) / height;
+    if (clip_box.top < orig_y) {
+      min_row--;
+    }
+    max_row = (clip_box.bottom - orig_y) / height;
+    if (clip_box.bottom <= orig_y) {
+      max_row--;
+    }
+  }
+  FX_FLOAT left_offset = cell_bbox.left - mtPattern2Device.e;
+  FX_FLOAT top_offset = cell_bbox.bottom - mtPattern2Device.f;
+  CFX_DIBitmap* pPatternBitmap = NULL;
+  if (width * height < 16) {
+    CFX_DIBitmap* pEnlargedBitmap =
+        DrawPatternBitmap(m_pContext->m_pDocument, m_pContext->m_pPageCache,
+                          pPattern, pObj2Device, 8, 8, m_Options.m_Flags);
+    pPatternBitmap = pEnlargedBitmap->StretchTo(width, height);
+    delete pEnlargedBitmap;
+  } else {
+    pPatternBitmap = DrawPatternBitmap(
+        m_pContext->m_pDocument, m_pContext->m_pPageCache, pPattern,
+        pObj2Device, width, height, m_Options.m_Flags);
+  }
+  if (pPatternBitmap == NULL) {
     m_pDevice->RestoreState();
-    delete pPatternBitmap;
-}
-void CPDF_RenderStatus::DrawPathWithPattern(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device, CPDF_Color* pColor, FX_BOOL bStroke)
-{
-    CPDF_Pattern* pattern = pColor->GetPattern();
-    if (pattern == NULL) {
-        return;
-    }
-    if(pattern->m_PatternType == PATTERN_TILING) {
-        DrawTilingPattern((CPDF_TilingPattern*)pattern, pPathObj, pObj2Device, bStroke);
-    } else {
-        DrawShadingPattern((CPDF_ShadingPattern*)pattern, pPathObj, pObj2Device, bStroke);
-    }
-}
-void CPDF_RenderStatus::ProcessPathPattern(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device, int& filltype, FX_BOOL& bStroke)
-{
-    if(filltype) {
-        CPDF_Color& FillColor = *pPathObj->m_ColorState.GetFillColor();
-        if(FillColor.m_pCS && FillColor.m_pCS->GetFamily() == PDFCS_PATTERN) {
-            DrawPathWithPattern(pPathObj, pObj2Device, &FillColor, FALSE);
-            filltype = 0;
-        }
-    }
-    if(bStroke) {
-        CPDF_Color& StrokeColor = *pPathObj->m_ColorState.GetStrokeColor();
-        if(StrokeColor.m_pCS && StrokeColor.m_pCS->GetFamily() == PDFCS_PATTERN) {
-            DrawPathWithPattern(pPathObj, pObj2Device, &StrokeColor, TRUE);
-            bStroke = FALSE;
-        }
-    }
-}
+    return;
+  }
+  if (m_Options.m_ColorMode == RENDER_COLOR_GRAY) {
+    pPatternBitmap->ConvertColorScale(m_Options.m_ForeColor,
+                                      m_Options.m_BackColor);
+  }
+  FX_ARGB fill_argb = GetFillArgb(pPageObj);
+  int clip_width = clip_box.right - clip_box.left;
+  int clip_height = clip_box.bottom - clip_box.top;
+  CFX_DIBitmap screen;
+  if (!screen.Create(clip_width, clip_height, FXDIB_Argb)) {
+    return;
+  }
+  screen.Clear(0);
+  FX_DWORD* src_buf = (FX_DWORD*)pPatternBitmap->GetBuffer();
+  for (int col = min_col; col <= max_col; col++) {
+    for (int row = min_row; row <= max_row; row++) {
+      int start_x, start_y;
+      if (bAligned) {
+        start_x = FXSYS_round(mtPattern2Device.e) + col * width - clip_box.left;
+        start_y = FXSYS_round(mtPattern2Device.f) + row * height - clip_box.top;
+      } else {
+        FX_FLOAT orig_x = col * pPattern->m_XStep;
+        FX_FLOAT orig_y = row * pPattern->m_YStep;
+        mtPattern2Device.Transform(orig_x, orig_y);
+        start_x = FXSYS_round(orig_x + left_offset) - clip_box.left;
+        start_y = FXSYS_round(orig_y + top_offset) - clip_box.top;
+      }
+      if (width == 1 && height == 1) {
+        if (start_x < 0 || start_x >= clip_box.Width() || start_y < 0 ||
+            start_y >= clip_box.Height()) {
+          continue;
+        }
+        FX_DWORD* dest_buf =
+            (FX_DWORD*)(screen.GetBuffer() + screen.GetPitch() * start_y +
+                        start_x * 4);
+        if (pPattern->m_bColored) {
+          *dest_buf = *src_buf;
+        } else {
+          *dest_buf = (*(uint8_t*)src_buf << 24) | (fill_argb & 0xffffff);
+        }
+      } else {
+        if (pPattern->m_bColored) {
+          screen.CompositeBitmap(start_x, start_y, width, height,
+                                 pPatternBitmap, 0, 0);
+        } else {
+          screen.CompositeMask(start_x, start_y, width, height, pPatternBitmap,
+                               fill_argb, 0, 0);
+        }
+      }
+    }
+  }
+  CompositeDIBitmap(&screen, clip_box.left, clip_box.top, 0, 255,
+                    FXDIB_BLEND_NORMAL, FALSE);
+  m_pDevice->RestoreState();
+  delete pPatternBitmap;
+}
+void CPDF_RenderStatus::DrawPathWithPattern(CPDF_PathObject* pPathObj,
+                                            const CFX_AffineMatrix* pObj2Device,
+                                            CPDF_Color* pColor,
+                                            FX_BOOL bStroke) {
+  CPDF_Pattern* pattern = pColor->GetPattern();
+  if (pattern == NULL) {
+    return;
+  }
+  if (pattern->m_PatternType == PATTERN_TILING) {
+    DrawTilingPattern((CPDF_TilingPattern*)pattern, pPathObj, pObj2Device,
+                      bStroke);
+  } else {
+    DrawShadingPattern((CPDF_ShadingPattern*)pattern, pPathObj, pObj2Device,
+                       bStroke);
+  }
+}
+void CPDF_RenderStatus::ProcessPathPattern(CPDF_PathObject* pPathObj,
+                                           const CFX_AffineMatrix* pObj2Device,
+                                           int& filltype,
+                                           FX_BOOL& bStroke) {
+  if (filltype) {
+    CPDF_Color& FillColor = *pPathObj->m_ColorState.GetFillColor();
+    if (FillColor.m_pCS && FillColor.m_pCS->GetFamily() == PDFCS_PATTERN) {
+      DrawPathWithPattern(pPathObj, pObj2Device, &FillColor, FALSE);
+      filltype = 0;
+    }
+  }
+  if (bStroke) {
+    CPDF_Color& StrokeColor = *pPathObj->m_ColorState.GetStrokeColor();
+    if (StrokeColor.m_pCS && StrokeColor.m_pCS->GetFamily() == PDFCS_PATTERN) {
+      DrawPathWithPattern(pPathObj, pObj2Device, &StrokeColor, TRUE);
+      bStroke = FALSE;
+    }
+  }
+}