FX Bool considered harmful, part 3

core/src/fxge/ge/fx_ge_device.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/fxge/fx_ge.h"
 CFX_RenderDevice::CFX_RenderDevice()
 {
     m_pDeviceDriver = NULL;
@@ skipping 17 matching lines @@
     m_bpp = m_pDeviceDriver->GetDeviceCaps(FXDC_BITS_PIXEL);
     m_RenderCaps = m_pDeviceDriver->GetDeviceCaps(FXDC_RENDER_CAPS);
     m_DeviceClass = m_pDeviceDriver->GetDeviceCaps(FXDC_DEVICE_CLASS);
     if (!m_pDeviceDriver->GetClipBox(&m_ClipBox)) {
         m_ClipBox.left = 0;
         m_ClipBox.top = 0;
         m_ClipBox.right = m_Width;
         m_ClipBox.bottom = m_Height;
     }
 }
-FX_BOOL CFX_RenderDevice::StartRendering()
+bool CFX_RenderDevice::StartRendering()
 {
     return m_pDeviceDriver->StartRendering();
 }
 void CFX_RenderDevice::EndRendering()
 {
     m_pDeviceDriver->EndRendering();
 }
 void CFX_RenderDevice::SaveState()
 {
     m_pDeviceDriver->SaveState();
 }
-void CFX_RenderDevice::RestoreState(FX_BOOL bKeepSaved)
+void CFX_RenderDevice::RestoreState(bool bKeepSaved)
 {
     m_pDeviceDriver->RestoreState(bKeepSaved);
     UpdateClipBox();
 }
 int CFX_RenderDevice::GetDeviceCaps(int caps_id) const
 {
     return m_pDeviceDriver->GetDeviceCaps(caps_id);
 }
 CFX_Matrix CFX_RenderDevice::GetCTM() const
 {
     return m_pDeviceDriver->GetCTM();
 }
-FX_BOOL CFX_RenderDevice::CreateCompatibleBitmap(CFX_DIBitmap* pDIB, int width, int height) const
+bool CFX_RenderDevice::CreateCompatibleBitmap(CFX_DIBitmap* pDIB, int width, int height) const
 {
     if (m_RenderCaps & FXRC_CMYK_OUTPUT) {
         return pDIB->Create(width, height, m_RenderCaps & FXRC_ALPHA_OUTPUT ? FXDIB_Cmyka : FXDIB_Cmyk);
     }
     if (m_RenderCaps & FXRC_BYTEMASK_OUTPUT) {
         return pDIB->Create(width, height, FXDIB_8bppMask);
     }
 #if _FXM_PLATFORM_  == _FXM_PLATFORM_APPLE_
     return pDIB->Create(width, height, m_RenderCaps & FXRC_ALPHA_OUTPUT ? FXDIB_Argb : FXDIB_Rgb32);
 #else
     return pDIB->Create(width, height, m_RenderCaps & FXRC_ALPHA_OUTPUT ? FXDIB_Argb : FXDIB_Rgb);
 #endif
 }
-FX_BOOL CFX_RenderDevice::SetClip_PathFill(const CFX_PathData* pPathData,
+bool CFX_RenderDevice::SetClip_PathFill(const CFX_PathData* pPathData,
         const CFX_AffineMatrix* pObject2Device,
         int fill_mode
                                           )
 {
     if (!m_pDeviceDriver->SetClip_PathFill(pPathData, pObject2Device, fill_mode)) {
-        return FALSE;
+        return false;
     }
     UpdateClipBox();
-    return TRUE;
+    return true;
 }
-FX_BOOL CFX_RenderDevice::SetClip_PathStroke(const CFX_PathData* pPathData,
+bool CFX_RenderDevice::SetClip_PathStroke(const CFX_PathData* pPathData,
         const CFX_AffineMatrix* pObject2Device,
         const CFX_GraphStateData* pGraphState
                                             )
 {
     if (!m_pDeviceDriver->SetClip_PathStroke(pPathData, pObject2Device, pGraphState)) {
-        return FALSE;
+        return false;
     }
     UpdateClipBox();
-    return TRUE;
+    return true;
 }
-FX_BOOL CFX_RenderDevice::SetClip_Rect(const FX_RECT* pRect)
+bool CFX_RenderDevice::SetClip_Rect(const FX_RECT* pRect)
 {
     CFX_PathData path;
     path.AppendRect((FX_FLOAT)(pRect->left), (FX_FLOAT)(pRect->bottom), (FX_FLOAT)(pRect->right), (FX_FLOAT)(pRect->top));
     if (!SetClip_PathFill(&path, NULL, FXFILL_WINDING)) {
-        return FALSE;
+        return false;
     }
     UpdateClipBox();
-    return TRUE;
+    return true;
 }
 void CFX_RenderDevice::UpdateClipBox()
 {
     if (m_pDeviceDriver->GetClipBox(&m_ClipBox)) {
         return;
     }
     m_ClipBox.left = 0;
     m_ClipBox.top = 0;
     m_ClipBox.right = m_Width;
     m_ClipBox.bottom = m_Height;
 }
-FX_BOOL CFX_RenderDevice::DrawPath(const CFX_PathData* pPathData,
+bool CFX_RenderDevice::DrawPath(const CFX_PathData* pPathData,
                                    const CFX_AffineMatrix* pObject2Device,
                                    const CFX_GraphStateData* pGraphState,
                                    FX_DWORD fill_color, FX_DWORD stroke_color, int fill_mode,
                                    int alpha_flag, void* pIccTransform, int blend_type)
 {
     uint8_t fill_alpha, stroke_alpha;
     if (FXGETFLAG_COLORTYPE(alpha_flag)) {
         fill_alpha = FXGETFLAG_ALPHA_FILL(alpha_flag);
         stroke_alpha = FXGETFLAG_ALPHA_STROKE(alpha_flag);
     } else {
@@ skipping 12 matching lines @@
         if (pObject2Device) {
             pObject2Device->Transform(pPoints[0].m_PointX, pPoints[0].m_PointY, x1, y1);
             pObject2Device->Transform(pPoints[1].m_PointX, pPoints[1].m_PointY, x2, y2);
         } else {
             x1 = pPoints[0].m_PointX;
             y1 = pPoints[0].m_PointY;
             x2 = pPoints[1].m_PointX;
             y2 = pPoints[1].m_PointY;
         }
         DrawCosmeticLine(x1, y1, x2, y2, fill_color, fill_mode, alpha_flag, pIccTransform, blend_type);
-        return TRUE;
+        return true;
     }
     if ((pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) && stroke_alpha == 0) {
         CFX_FloatRect rect_f;
         if (!(fill_mode & FXFILL_RECT_AA) && pPathData->IsRect(pObject2Device, &rect_f)) {
             FX_RECT rect_i = rect_f.GetOutterRect();
             int width = (int)FXSYS_ceil(rect_f.right - rect_f.left);
             if (width < 1) {
                 width = 1;
                 if (rect_i.left == rect_i.right) {
                     rect_i.right ++;
@@ skipping 14 matching lines @@
                 }
             }
             if (rect_i.Height() >= height + 1) {
                 if (rect_f.top - (FX_FLOAT)(rect_i.top) > (FX_FLOAT)(rect_i.bottom) - rect_f.bottom) {
                     rect_i.top ++;
                 } else {
                     rect_i.bottom --;
                 }
             }
             if (FillRect(&rect_i, fill_color, alpha_flag, pIccTransform, blend_type)) {
-                return TRUE;
+                return true;
             }
         }
     }
     if((fill_mode & 3) && stroke_alpha == 0 && !(fill_mode & FX_FILL_STROKE) && !(fill_mode & FX_FILL_TEXT_MODE)) {
         CFX_PathData newPath;
-        FX_BOOL bThin = FALSE;
+        bool bThin = false;
         if (pPathData->GetZeroAreaPath(newPath, (CFX_Matrix*)pObject2Device, bThin, m_pDeviceDriver->GetDriverType())) {
             CFX_GraphStateData graphState;
             graphState.m_LineWidth = 0.0f;
             FX_DWORD strokecolor = fill_color;
             if (bThin) {
                 if (FXGETFLAG_COLORTYPE(alpha_flag)) {
                     FXSETFLAG_ALPHA_STROKE(alpha_flag, fill_alpha >> 2);
                 } else {
                     strokecolor = (((fill_alpha >> 2) << 24) | (strokecolor & 0x00ffffff));
                 }
             }
             CFX_AffineMatrix* pMatrix = NULL;
             if (pObject2Device && !pObject2Device->IsIdentity()) {
                 pMatrix = (CFX_AffineMatrix*)pObject2Device;
             }
             int smooth_path = FX_ZEROAREA_FILL;
             if (fill_mode & FXFILL_NOPATHSMOOTH) {
                 smooth_path |= FXFILL_NOPATHSMOOTH;
             }
             m_pDeviceDriver->DrawPath(&newPath, pMatrix, &graphState, 0, strokecolor, smooth_path, alpha_flag, pIccTransform, blend_type);
         }
     }
     if ((fill_mode & 3) && fill_alpha && stroke_alpha < 0xff && (fill_mode & FX_FILL_STROKE)) {
         if (!(m_RenderCaps & FXRC_GET_BITS)) {
-            return FALSE;
+            return false;
         }
         CFX_FloatRect bbox;
         if (pGraphState) {
             bbox = pPathData->GetBoundingBox(pGraphState->m_LineWidth, pGraphState->m_MiterLimit);
         } else {
             bbox = pPathData->GetBoundingBox();
         }
         if (pObject2Device) {
             bbox.Transform(pObject2Device);
         }
         CFX_Matrix ctm = GetCTM();
         FX_FLOAT fScaleX = FXSYS_fabs(ctm.a);
         FX_FLOAT fScaleY = FXSYS_fabs(ctm.d);
         FX_RECT rect = bbox.GetOutterRect();
         CFX_DIBitmap bitmap, Backdrop;
         if (!CreateCompatibleBitmap(&bitmap, FXSYS_round(rect.Width() * fScaleX), FXSYS_round(rect.Height() * fScaleY))) {
-            return FALSE;
+            return false;
         }
         if (bitmap.HasAlpha()) {
             bitmap.Clear(0);
             Backdrop.Copy(&bitmap);
         } else {
             if (!m_pDeviceDriver->GetDIBits(&bitmap, rect.left, rect.top, NULL)) {
-                return FALSE;
+                return false;
             }
             Backdrop.Copy(&bitmap);
         }
         CFX_FxgeDevice bitmap_device;
-        bitmap_device.Attach(&bitmap, 0, FALSE, &Backdrop, TRUE);
+        bitmap_device.Attach(&bitmap, 0, false, &Backdrop, true);
         CFX_AffineMatrix matrix;
         if (pObject2Device) {
             matrix = *pObject2Device;
         }
         matrix.TranslateI(-rect.left, -rect.top);
         matrix.Concat(fScaleX, 0, 0, fScaleY, 0, 0);
         if (!bitmap_device.GetDeviceDriver()->DrawPath(pPathData, &matrix, pGraphState, fill_color, stroke_color, fill_mode, alpha_flag, pIccTransform, blend_type)) {
-            return FALSE;
+            return false;
         }
         FX_RECT src_rect(0, 0, FXSYS_round(rect.Width() * fScaleX), FXSYS_round(rect.Height() * fScaleY));
         return m_pDeviceDriver->SetDIBits(&bitmap, 0, &src_rect, rect.left, rect.top, FXDIB_BLEND_NORMAL);
     }
     return m_pDeviceDriver->DrawPath(pPathData, pObject2Device, pGraphState, fill_color, stroke_color, fill_mode, alpha_flag, pIccTransform, blend_type);
 }
-FX_BOOL CFX_RenderDevice::SetPixel(int x, int y, FX_DWORD color, int alpha_flag, void* pIccTransform)
+bool CFX_RenderDevice::SetPixel(int x, int y, FX_DWORD color, int alpha_flag, void* pIccTransform)
 {
     if (m_pDeviceDriver->SetPixel(x, y, color, alpha_flag, pIccTransform)) {
-        return TRUE;
+        return true;
     }
     FX_RECT rect(x, y, x + 1, y + 1);
     return FillRect(&rect, color, alpha_flag, pIccTransform);
 }
-FX_BOOL CFX_RenderDevice::FillRect(const FX_RECT* pRect, FX_DWORD fill_color, int alpha_flag, void* pIccTransform, int blend_type)
+bool CFX_RenderDevice::FillRect(const FX_RECT* pRect, FX_DWORD fill_color, int alpha_flag, void* pIccTransform, int blend_type)
 {
     if (m_pDeviceDriver->FillRect(pRect, fill_color, alpha_flag, pIccTransform, blend_type)) {
-        return TRUE;
+        return true;
     }
     if (!(m_RenderCaps & FXRC_GET_BITS)) {
-        return FALSE;
+        return false;
     }
     CFX_DIBitmap bitmap;
     if (!CreateCompatibleBitmap(&bitmap, pRect->Width(), pRect->Height())) {
-        return FALSE;
+        return false;
     }
     if (!m_pDeviceDriver->GetDIBits(&bitmap, pRect->left, pRect->top)) {
-        return FALSE;
+        return false;
     }
     if (!bitmap.CompositeRect(0, 0, pRect->Width(), pRect->Height(), fill_color, alpha_flag, pIccTransform)) {
-        return FALSE;
+        return false;
     }
     FX_RECT src_rect(0, 0, pRect->Width(), pRect->Height());
     m_pDeviceDriver->SetDIBits(&bitmap, 0, &src_rect, pRect->left, pRect->top, FXDIB_BLEND_NORMAL);
-    return TRUE;
+    return true;
 }
-FX_BOOL CFX_RenderDevice::DrawCosmeticLine(FX_FLOAT x1, FX_FLOAT y1, FX_FLOAT x2, FX_FLOAT y2, FX_DWORD color,
+bool CFX_RenderDevice::DrawCosmeticLine(FX_FLOAT x1, FX_FLOAT y1, FX_FLOAT x2, FX_FLOAT y2, FX_DWORD color,
         int fill_mode, int alpha_flag, void* pIccTransform, int blend_type)
 {
     if (((m_RenderCaps & FXRC_ALPHA_PATH) &&
             (FXGETFLAG_COLORTYPE(alpha_flag) && FXGETFLAG_ALPHA_FILL(alpha_flag) == 0xff)) ||
             color >= 0xff000000)
         if (m_pDeviceDriver->DrawCosmeticLine(x1, y1, x2, y2, color, alpha_flag, pIccTransform, blend_type)) {
-            return TRUE;
+            return true;
         }
     CFX_GraphStateData graph_state;
     CFX_PathData path;
     path.SetPointCount(2);
     path.SetPoint(0, x1, y1, FXPT_MOVETO);
     path.SetPoint(1, x2, y2, FXPT_LINETO);
     return m_pDeviceDriver->DrawPath(&path, NULL, &graph_state, 0, color, fill_mode, alpha_flag, pIccTransform, blend_type);
 }
-FX_BOOL CFX_RenderDevice::GetDIBits(CFX_DIBitmap* pBitmap, int left, int top, void* pIccTransform)
+bool CFX_RenderDevice::GetDIBits(CFX_DIBitmap* pBitmap, int left, int top, void* pIccTransform)
 {
     if (!(m_RenderCaps & FXRC_GET_BITS)) {
-        return FALSE;
+        return false;
     }
     return m_pDeviceDriver->GetDIBits(pBitmap, left, top, pIccTransform);
 }
 CFX_DIBitmap* CFX_RenderDevice::GetBackDrop()
 {
     return m_pDeviceDriver->GetBackDrop();
 }
-FX_BOOL CFX_RenderDevice::SetDIBits(const CFX_DIBSource* pBitmap, int left, int top, int blend_mode,
+bool CFX_RenderDevice::SetDIBits(const CFX_DIBSource* pBitmap, int left, int top, int blend_mode,
                                     void* pIccTransform)
 {
     ASSERT(!pBitmap->IsAlphaMask());
     CFX_AffineMatrix ctm = GetCTM();
     FX_FLOAT fScaleX = FXSYS_fabs(ctm.a);
     FX_FLOAT fScaleY = FXSYS_fabs(ctm.d);
     FX_RECT dest_rect(left, top, FXSYS_round(left + pBitmap->GetWidth() / fScaleX), FXSYS_round(top + pBitmap->GetHeight() / fScaleY));
     dest_rect.Intersect(m_ClipBox);
     if (dest_rect.IsEmpty()) {
-        return TRUE;
+        return true;
     }
     FX_RECT src_rect(dest_rect.left - left, dest_rect.top - top,
                      dest_rect.left - left + dest_rect.Width(), dest_rect.top - top + dest_rect.Height());
     src_rect.left = FXSYS_round(src_rect.left * fScaleX);
     src_rect.top = FXSYS_round(src_rect.top * fScaleY);
     src_rect.right = FXSYS_round(src_rect.right * fScaleX);
     src_rect.bottom = FXSYS_round(src_rect.bottom * fScaleY);
     if ((blend_mode != FXDIB_BLEND_NORMAL && !(m_RenderCaps & FXRC_BLEND_MODE)) ||
             (pBitmap->HasAlpha() && !(m_RenderCaps & FXRC_ALPHA_IMAGE))) {
         if (!(m_RenderCaps & FXRC_GET_BITS)) {
-            return FALSE;
+            return false;
         }
         int bg_pixel_width = FXSYS_round(dest_rect.Width() * fScaleX);
         int bg_pixel_height = FXSYS_round(dest_rect.Height() * fScaleY);
         CFX_DIBitmap background;
         if (!background.Create(bg_pixel_width, bg_pixel_height,
                                (m_RenderCaps & FXRC_CMYK_OUTPUT) ? FXDIB_Cmyk : FXDIB_Rgb32)) {
-            return FALSE;
+            return false;
         }
         if (!m_pDeviceDriver->GetDIBits(&background, dest_rect.left, dest_rect.top)) {
-            return FALSE;
+            return false;
         }
         if (!background.CompositeBitmap(0, 0, bg_pixel_width, bg_pixel_height,
                                         pBitmap, src_rect.left, src_rect.top,
-                                        blend_mode, NULL, FALSE, pIccTransform)) {
-            return FALSE;
+                                        blend_mode, NULL, false, pIccTransform)) {
+            return false;
         }
         FX_RECT src_rect(0, 0, bg_pixel_width, bg_pixel_height);
         return m_pDeviceDriver->SetDIBits(&background, 0, &src_rect, dest_rect.left, dest_rect.top, FXDIB_BLEND_NORMAL);
     }
     return m_pDeviceDriver->SetDIBits(pBitmap, 0, &src_rect, dest_rect.left, dest_rect.top, blend_mode, 0, pIccTransform);
 }
-FX_BOOL CFX_RenderDevice::StretchDIBits(const CFX_DIBSource* pBitmap, int left, int top,
+bool CFX_RenderDevice::StretchDIBits(const CFX_DIBSource* pBitmap, int left, int top,
                                         int dest_width, int dest_height, FX_DWORD flags,
                                         void* pIccTransform, int blend_mode)
 {
     FX_RECT dest_rect(left, top, left + dest_width, top + dest_height);
     FX_RECT clip_box = m_ClipBox;
     clip_box.Intersect(dest_rect);
     if (clip_box.IsEmpty()) {
-        return TRUE;
+        return true;
     }
     return m_pDeviceDriver->StretchDIBits(pBitmap, 0, left, top, dest_width, dest_height, &clip_box, flags, 0, pIccTransform, blend_mode);
 }
-FX_BOOL CFX_RenderDevice::SetBitMask(const CFX_DIBSource* pBitmap, int left, int top, FX_DWORD argb,
+bool CFX_RenderDevice::SetBitMask(const CFX_DIBSource* pBitmap, int left, int top, FX_DWORD argb,
                                      int alpha_flag, void* pIccTransform)
 {
     FX_RECT src_rect(0, 0, pBitmap->GetWidth(), pBitmap->GetHeight());
     return m_pDeviceDriver->SetDIBits(pBitmap, argb, &src_rect, left, top, FXDIB_BLEND_NORMAL, alpha_flag, pIccTransform);
 }
-FX_BOOL CFX_RenderDevice::StretchBitMask(const CFX_DIBSource* pBitmap, int left, int top,
+bool CFX_RenderDevice::StretchBitMask(const CFX_DIBSource* pBitmap, int left, int top,
         int dest_width, int dest_height, FX_DWORD argb, FX_DWORD flags,
         int alpha_flag, void* pIccTransform)
 {
     FX_RECT dest_rect(left, top, left + dest_width, top + dest_height);
     FX_RECT clip_box = m_ClipBox;
     clip_box.Intersect(dest_rect);
     return m_pDeviceDriver->StretchDIBits(pBitmap, argb, left, top, dest_width, dest_height, &clip_box, flags, alpha_flag, pIccTransform);
 }
-FX_BOOL CFX_RenderDevice::StartDIBits(const CFX_DIBSource* pBitmap, int bitmap_alpha, FX_DWORD argb,
+bool CFX_RenderDevice::StartDIBits(const CFX_DIBSource* pBitmap, int bitmap_alpha, FX_DWORD argb,
                                       const CFX_AffineMatrix* pMatrix, FX_DWORD flags, void*& handle,
                                       int alpha_flag, void* pIccTransform, int blend_mode)
 {
     return m_pDeviceDriver->StartDIBits(pBitmap, bitmap_alpha, argb, pMatrix, flags, handle, alpha_flag, pIccTransform, blend_mode);
 }
-FX_BOOL CFX_RenderDevice::ContinueDIBits(void* handle, IFX_Pause* pPause)
+bool CFX_RenderDevice::ContinueDIBits(void* handle, IFX_Pause* pPause)
 {
     return m_pDeviceDriver->ContinueDIBits(handle, pPause);
 }
 void CFX_RenderDevice::CancelDIBits(void* handle)
 {
     m_pDeviceDriver->CancelDIBits(handle);
 }