Switch to standard integer types in pdf/.

pdf/draw_utils.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "pdf/draw_utils.h"
 
+#include <math.h>
+#include <stddef.h>
+#include <stdint.h>
 #include <algorithm>
-#include <math.h>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/numerics/safe_math.h"
 
 namespace chrome_pdf {
 
-inline uint8 GetBlue(const uint32& pixel) {
-  return static_cast<uint8>(pixel & 0xFF);
+inline uint8_t GetBlue(const uint32_t& pixel) {
+  return static_cast<uint8_t>(pixel & 0xFF);
 }
 
-inline uint8 GetGreen(const uint32& pixel) {
-  return static_cast<uint8>((pixel >> 8) & 0xFF);
+inline uint8_t GetGreen(const uint32_t& pixel) {
+  return static_cast<uint8_t>((pixel >> 8) & 0xFF);
 }
 
-inline uint8 GetRed(const uint32& pixel) {
-  return static_cast<uint8>((pixel >> 16) & 0xFF);
+inline uint8_t GetRed(const uint32_t& pixel) {
+  return static_cast<uint8_t>((pixel >> 16) & 0xFF);
 }
 
-inline uint8 GetAlpha(const uint32& pixel) {
-  return static_cast<uint8>((pixel >> 24) & 0xFF);
+inline uint8_t GetAlpha(const uint32_t& pixel) {
+  return static_cast<uint8_t>((pixel >> 24) & 0xFF);
 }
 
-inline uint32_t MakePixel(uint8 red, uint8 green, uint8 blue, uint8 alpha) {
+inline uint32_t MakePixel(uint8_t red,
+                          uint8_t green,
+                          uint8_t blue,
+                          uint8_t alpha) {
   return (static_cast<uint32_t>(alpha) << 24) |
       (static_cast<uint32_t>(red) << 16) |
       (static_cast<uint32_t>(green) << 8) |
       static_cast<uint32_t>(blue);
 }
 
-inline uint8 GradientChannel(uint8 start, uint8 end, double ratio) {
+inline uint8_t GradientChannel(uint8_t start, uint8_t end, double ratio) {
   double new_channel = start - (static_cast<double>(start) - end) * ratio;
   if (new_channel < 0)
     return 0;
   if (new_channel > 255)
     return 255;
-  return static_cast<uint8>(new_channel + 0.5);
+  return static_cast<uint8_t>(new_channel + 0.5);
 }
 
-inline uint8 ProcessColor(uint8 src_color, uint8 dest_color, uint8 alpha) {
-  uint32 processed = static_cast<uint32>(src_color) * alpha +
-      static_cast<uint32>(dest_color) * (0xFF - alpha);
-  return static_cast<uint8>((processed / 0xFF) & 0xFF);
+inline uint8_t ProcessColor(uint8_t src_color,
+                            uint8_t dest_color,
+                            uint8_t alpha) {
+  uint32_t processed = static_cast<uint32_t>(src_color) * alpha +
+                       static_cast<uint32_t>(dest_color) * (0xFF - alpha);
+  return static_cast<uint8_t>((processed / 0xFF) & 0xFF);
 }
 
 inline bool ImageDataContainsRect(const pp::ImageData& image_data,
                                   const pp::Rect& rect) {
   return rect.width() >= 0 && rect.height() >= 0 &&
       pp::Rect(image_data.size()).Contains(rect);
 }
 
-void AlphaBlend(const pp::ImageData& src, const pp::Rect& src_rc,
-                pp::ImageData* dest, const pp::Point& dest_origin,
-                uint8 alpha_adjustment) {
+void AlphaBlend(const pp::ImageData& src,
+                const pp::Rect& src_rc,
+                pp::ImageData* dest,
+                const pp::Point& dest_origin,
+                uint8_t alpha_adjustment) {
   if (src_rc.IsEmpty() || !ImageDataContainsRect(src, src_rc))
     return;
 
   pp::Rect dest_rc(dest_origin, src_rc.size());
   if (dest_rc.IsEmpty() || !ImageDataContainsRect(*dest, dest_rc))
     return;
 
   const uint32_t* src_origin_pixel = src.GetAddr32(src_rc.point());
   uint32_t* dest_origin_pixel = dest->GetAddr32(dest_origin);
 
   int height = src_rc.height();
   int width = src_rc.width();
   for (int y = 0; y < height; y++) {
     const uint32_t* src_pixel = src_origin_pixel;
     uint32_t* dest_pixel = dest_origin_pixel;
     for (int x = 0; x < width; x++) {
-      uint8 alpha = static_cast<uint8>(static_cast<uint32_t>(alpha_adjustment) *
-          GetAlpha(*src_pixel) / 0xFF);
-      uint8 red = ProcessColor(GetRed(*src_pixel), GetRed(*dest_pixel), alpha);
-      uint8 green = ProcessColor(GetGreen(*src_pixel),
-                                 GetGreen(*dest_pixel), alpha);
-      uint8 blue = ProcessColor(GetBlue(*src_pixel),
-                                GetBlue(*dest_pixel), alpha);
+      uint8_t alpha =
+          static_cast<uint8_t>(static_cast<uint32_t>(alpha_adjustment) *
+                               GetAlpha(*src_pixel) / 0xFF);
+      uint8_t red =
+          ProcessColor(GetRed(*src_pixel), GetRed(*dest_pixel), alpha);
+      uint8_t green =
+          ProcessColor(GetGreen(*src_pixel), GetGreen(*dest_pixel), alpha);
+      uint8_t blue =
+          ProcessColor(GetBlue(*src_pixel), GetBlue(*dest_pixel), alpha);
       *dest_pixel = MakePixel(red, green, blue, GetAlpha(*dest_pixel));
 
       src_pixel++;
       dest_pixel++;
     }
     src_origin_pixel = reinterpret_cast<const uint32_t*>(
         reinterpret_cast<const char*>(src_origin_pixel) + src.stride());
     dest_origin_pixel = reinterpret_cast<uint32_t*>(
         reinterpret_cast<char*>(dest_origin_pixel) + dest->stride());
   }
 }
 
-void GradientFill(pp::ImageData* image, const pp::Rect& rc,
-                  uint32 start_color, uint32 end_color, bool horizontal) {
-  std::vector<uint32> colors;
+void GradientFill(pp::ImageData* image,
+                  const pp::Rect& rc,
+                  uint32_t start_color,
+                  uint32_t end_color,
+                  bool horizontal) {
+  std::vector<uint32_t> colors;
   colors.resize(horizontal ? rc.width() : rc.height());
   for (size_t i = 0; i < colors.size(); ++i) {
     double ratio = static_cast<double>(i) / colors.size();
     colors[i] = MakePixel(
         GradientChannel(GetRed(start_color), GetRed(end_color), ratio),
         GradientChannel(GetGreen(start_color), GetGreen(end_color), ratio),
         GradientChannel(GetBlue(start_color), GetBlue(end_color), ratio),
         GradientChannel(GetAlpha(start_color), GetAlpha(end_color), ratio));
   }
 
@@ skipping 17 matching lines @@
       origin_pixel = reinterpret_cast<uint32_t*>(
           reinterpret_cast<char*>(origin_pixel) + image->stride());
     }
   }
 }
 
 void GradientFill(pp::Instance* instance,
                   pp::ImageData* image,
                   const pp::Rect& dirty_rc,
                   const pp::Rect& gradient_rc,
-                  uint32 start_color,
-                  uint32 end_color,
+                  uint32_t start_color,
+                  uint32_t end_color,
                   bool horizontal,
-                  uint8 transparency) {
+                  uint8_t transparency) {
   pp::Rect draw_rc = gradient_rc.Intersect(dirty_rc);
   if (draw_rc.IsEmpty())
     return;
 
   pp::ImageData gradient(instance, PP_IMAGEDATAFORMAT_BGRA_PREMUL,
       gradient_rc.size(), false);
 
   GradientFill(&gradient, pp::Rect(pp::Point(), gradient_rc.size()),
                start_color, end_color, horizontal);
 
@@ skipping 16 matching lines @@
   const uint32_t* src_origin_pixel = src.GetAddr32(src_rc.point());
   uint32_t* dest_origin_pixel = dest->GetAddr32(dest_rc.point());
   if (stretch) {
     double x_ratio = static_cast<double>(src_rc.width()) / dest_rc.width();
     double y_ratio = static_cast<double>(src_rc.height()) / dest_rc.height();
     int32_t height = dest_rc.height();
     int32_t width = dest_rc.width();
     for (int32_t y = 0; y < height; ++y) {
       uint32_t* dest_pixel = dest_origin_pixel;
       for (int32_t x = 0; x < width; ++x) {
-        uint32 src_x = static_cast<uint32>(x * x_ratio);
-        uint32 src_y = static_cast<uint32>(y * y_ratio);
+        uint32_t src_x = static_cast<uint32_t>(x * x_ratio);
+        uint32_t src_y = static_cast<uint32_t>(y * y_ratio);
         const uint32_t* src_pixel = src.GetAddr32(
             pp::Point(src_rc.x() + src_x, src_rc.y() + src_y));
         *dest_pixel = *src_pixel;
         dest_pixel++;
       }
       dest_origin_pixel = reinterpret_cast<uint32_t*>(
           reinterpret_cast<char*>(dest_origin_pixel) + dest->stride());
     }
   } else {
     int32_t height = src_rc.height();
     base::CheckedNumeric<int32_t> width_bytes = src_rc.width();
     width_bytes *= 4;
     for (int32_t y = 0; y < height; ++y) {
       memcpy(dest_origin_pixel, src_origin_pixel, width_bytes.ValueOrDie());
       src_origin_pixel = reinterpret_cast<const uint32_t*>(
           reinterpret_cast<const char*>(src_origin_pixel) + src.stride());
       dest_origin_pixel = reinterpret_cast<uint32_t*>(
           reinterpret_cast<char*>(dest_origin_pixel) + dest->stride());
     }
   }
 }
 
-void FillRect(pp::ImageData* image, const pp::Rect& rc, uint32 color) {
+void FillRect(pp::ImageData* image, const pp::Rect& rc, uint32_t color) {
   int height = rc.height();
   if (height == 0)
     return;
 
   // Fill in first row.
   uint32_t* top_line = image->GetAddr32(rc.point());
   int width = rc.width();
   for (int x = 0; x < width; x++)
     top_line[x] = color;
 
   // Fill in the rest of the rectangle.
   int byte_width = width * 4;
   uint32_t* cur_line = reinterpret_cast<uint32_t*>(
           reinterpret_cast<char*>(top_line) + image->stride());
   for (int y = 1; y < height; y++) {
     memcpy(cur_line, top_line, byte_width);
     cur_line = reinterpret_cast<uint32_t*>(
             reinterpret_cast<char*>(cur_line) + image->stride());
   }
 }
 
-ShadowMatrix::ShadowMatrix(uint32 depth, double factor, uint32 background)
+ShadowMatrix::ShadowMatrix(uint32_t depth, double factor, uint32_t background)
     : depth_(depth), factor_(factor), background_(background) {
   DCHECK(depth_ > 0);
   matrix_.resize(depth_ * depth_);
 
   // pv - is a rounding power factor for smoothing corners.
   // pv = 2.0 will make corners completely round.
   const double pv = 4.0;
   // pow_pv - cache to avoid recalculating pow(x, pv) every time.
   std::vector<double> pow_pv(depth_, 0.0);
 
   double r = static_cast<double>(depth_);
   double coef = 256.0 / pow(r, factor);
 
-  for (uint32 y = 0; y < depth_; y++) {
+  for (uint32_t y = 0; y < depth_; y++) {
     // Since matrix is symmetrical, we can reduce the number of calculations
     // by mirroring results.
-    for (uint32 x = 0; x <= y; x++) {
+    for (uint32_t x = 0; x <= y; x++) {
       // Fill cache if needed.
       if (pow_pv[x] == 0.0)
         pow_pv[x] =  pow(x, pv);
       if (pow_pv[y] == 0.0)
         pow_pv[y] =  pow(y, pv);
 
       // v - is a value for the smoothing function.
       // If x == 0 simplify calculations.
       double v = (x == 0) ? y : pow(pow_pv[x] + pow_pv[y], 1 / pv);
 
       // Smoothing function.
       // If factor == 1, smoothing will be linear from 0 to the end,
       // if 0 < factor < 1, smoothing will drop faster near 0.
       // if factor > 1, smoothing will drop faster near the end (depth).
       double f = 256.0 - coef * pow(v, factor);
 
-      uint8 alpha = 0;
+      uint8_t alpha = 0;
       if (f > kOpaqueAlpha)
         alpha = kOpaqueAlpha;
       else if (f < kTransparentAlpha)
         alpha = kTransparentAlpha;
       else
-        alpha = static_cast<uint8>(f);
+        alpha = static_cast<uint8_t>(f);
 
-      uint8 red = ProcessColor(0, GetRed(background), alpha);
-      uint8 green = ProcessColor(0, GetGreen(background), alpha);
-      uint8 blue = ProcessColor(0, GetBlue(background), alpha);
-      uint32 pixel = MakePixel(red, green, blue, GetAlpha(background));
+      uint8_t red = ProcessColor(0, GetRed(background), alpha);
+      uint8_t green = ProcessColor(0, GetGreen(background), alpha);
+      uint8_t blue = ProcessColor(0, GetBlue(background), alpha);
+      uint32_t pixel = MakePixel(red, green, blue, GetAlpha(background));
 
       // Mirror matrix.
       matrix_[y * depth_ + x] = pixel;
       matrix_[x * depth_ + y] = pixel;
     }
   }
 }
 
 ShadowMatrix::~ShadowMatrix() {
 }
 
 void PaintShadow(pp::ImageData* image,
                  const pp::Rect& clip_rc,
                  const pp::Rect& shadow_rc,
                  const ShadowMatrix& matrix) {
   pp::Rect draw_rc = shadow_rc.Intersect(clip_rc);
   if (draw_rc.IsEmpty())
     return;
 
-  int32 depth = static_cast<int32>(matrix.depth());
+  int32_t depth = static_cast<int32_t>(matrix.depth());
   for (int32_t y = draw_rc.y(); y < draw_rc.bottom(); y++) {
     for (int32_t x = draw_rc.x(); x < draw_rc.right(); x++) {
       int32_t matrix_x = std::max(depth + shadow_rc.x() - x - 1,
                                   depth - shadow_rc.right() + x);
       int32_t matrix_y = std::max(depth + shadow_rc.y() - y - 1,
                                   depth - shadow_rc.bottom() + y);
       uint32_t* pixel = image->GetAddr32(pp::Point(x, y));
 
       if (matrix_x < 0)
         matrix_x = 0;
-      else if (matrix_x >= static_cast<int32>(depth))
+      else if (matrix_x >= static_cast<int32_t>(depth))
         matrix_x = depth - 1;
 
       if (matrix_y < 0)
         matrix_y = 0;
-      else if (matrix_y >= static_cast<int32>(depth))
+      else if (matrix_y >= static_cast<int32_t>(depth))
         matrix_y = depth - 1;
 
       *pixel = matrix.GetValue(matrix_x, matrix_y);
     }
   }
 }
 
 void DrawShadow(pp::ImageData* image,
                 const pp::Rect& shadow_rc,
                 const pp::Rect& object_rc,
@@ skipping 18 matching lines @@
   PaintShadow(image, rc.Intersect(clip_rc), shadow_rc, matrix);
 
   // Fill right part.
   rc = pp::Rect(object_rc.right(), object_rc.y(),
                 shadow_rc.right() - object_rc.right(), object_rc.height());
   PaintShadow(image, rc.Intersect(clip_rc), shadow_rc, matrix);
 }
 
 }  // namespace chrome_pdf