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skia/ext/vector_platform_device_emf_win.cc

 // Copyright (c) 2012 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 <windows.h>
 
 #include "skia/ext/vector_platform_device_emf_win.h"
 
 #include "skia/ext/bitmap_platform_device.h"
 #include "skia/ext/skia_utils_win.h"
@@ skipping 79 matching lines @@
   if (!succeeded)
     bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height);
 
   return new VectorPlatformDeviceEmf(dc, bitmap);
 }
 
 VectorPlatformDeviceEmf::VectorPlatformDeviceEmf(HDC dc, const SkBitmap& bitmap)
     : SkDevice(bitmap),
       hdc_(dc),
       previous_brush_(NULL),
-      previous_pen_(NULL),
-      alpha_blend_used_(false) {
+      previous_pen_(NULL) {
   transform_.reset();
   SetPlatformDevice(this, this);
 }
 
 VectorPlatformDeviceEmf::~VectorPlatformDeviceEmf() {
   SkASSERT(previous_brush_ == NULL);
   SkASSERT(previous_pen_ == NULL);
 }
 
 HDC VectorPlatformDeviceEmf::BeginPlatformPaint() {
@@ skipping 730 matching lines @@
                            x, y,  // Destination origin.
                            src_size_x, src_size_y,  // Destination size.
                            bitmap_dc,
                            0, 0,  // Source origin.
                            src_size_x, src_size_y,  // Source size.
                            blend_function);
     SkASSERT(result);
     result = SetStretchBltMode(dc, previous_mode);
     SkASSERT(result);
 
-    alpha_blend_used_ = true;
-
     ::SelectObject(bitmap_dc, static_cast<HBITMAP>(old_bitmap));
     DeleteObject(hbitmap);
     DeleteDC(bitmap_dc);
   } else {
     int nCopied = StretchDIBits(dc,
                                 x, y,  // Destination origin.
                                 src_size_x, src_size_y,
                                 0, 0,  // Source origin.
                                 src_size_x, src_size_y,  // Source size.
                                 pixels,
                                 reinterpret_cast<const BITMAPINFO*>(&hdr),
                                 DIB_RGB_COLORS,
                                 SRCCOPY);
   }
   EndPlatformPaint();
   Cleanup();
 }
 
 }  // namespace skia