src/cc/test/skia_common.cc

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/test/skia_common.h"
   6
   7 #include "cc/resources/picture.h"
   8 #include "skia/ext/refptr.h"
   9 #include "third_party/skia/include/core/SkBitmapDevice.h"
  10 #include "ui/gfx/rect.h"
  11 #include "ui/gfx/skia_util.h"
  12
  13 namespace cc {
  14
  15 TestPixelRef::TestPixelRef(int width, int height)
  16     : pixels_(new char[4 * width * height]) {}
  17
  18 TestPixelRef::~TestPixelRef() {}
  19
  20 SkFlattenable::Factory TestPixelRef::getFactory() const { return NULL; }
  21
  22 void* TestPixelRef::onLockPixels(SkColorTable** color_table) {
  23   return pixels_.get();
  24 }
  25
  26 SkPixelRef* TestPixelRef::deepCopy(
  27     SkBitmap::Config config,
  28     const SkIRect* subset) {
  29   this->ref();
  30   return this;
  31 }
  32
  33
  34 TestLazyPixelRef::TestLazyPixelRef(int width, int height)
  35     : pixels_(new char[4 * width * height]) {}
  36
  37 TestLazyPixelRef::~TestLazyPixelRef() {}
  38
  39 SkFlattenable::Factory TestLazyPixelRef::getFactory() const { return NULL; }
  40
  41 void* TestLazyPixelRef::onLockPixels(SkColorTable** color_table) {
  42   return pixels_.get();
  43 }
  44
  45 bool TestLazyPixelRef::PrepareToDecode(const PrepareParams& params) {
  46   return true;
  47 }
  48
  49 bool TestLazyPixelRef::MaybeDecoded() {
  50   return true;
  51 }
  52
  53 SkPixelRef* TestLazyPixelRef::deepCopy(
  54     SkBitmap::Config config,
  55     const SkIRect* subset) {
  56   this->ref();
  57   return this;
  58 }
  59
  60 void DrawPicture(unsigned char* buffer,
  61                  gfx::Rect layer_rect,
  62                  scoped_refptr<Picture> picture) {
  63   SkBitmap bitmap;
  64   bitmap.setConfig(SkBitmap::kARGB_8888_Config,
  65                    layer_rect.width(),
  66                    layer_rect.height());
  67   bitmap.setPixels(buffer);
  68   SkBitmapDevice device(bitmap);
  69   SkCanvas canvas(&device);
  70   canvas.clipRect(gfx::RectToSkRect(layer_rect));
  71   picture->Raster(&canvas, NULL, layer_rect, 1.0f);
  72 }
  73
  74 void CreateBitmap(gfx::Size size, const char* uri, SkBitmap* bitmap) {
  75   skia::RefPtr<TestLazyPixelRef> lazy_pixel_ref =
  76       skia::AdoptRef(new TestLazyPixelRef(size.width(), size.height()));
  77   lazy_pixel_ref->setURI(uri);
  78
  79   bitmap->setConfig(SkBitmap::kARGB_8888_Config,
  80                     size.width(),
  81                     size.height());
  82   bitmap->setPixelRef(lazy_pixel_ref.get());
  83 }
  84
  85
  86 }  // namespace cc