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| 1 // Copyright (c) 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 "skia/ext/vector_platform_device_skia.h" | |
| 6 | |
| 7 #include "skia/ext/bitmap_platform_device.h" | |
| 8 #include "third_party/skia/include/core/SkClipStack.h" | |
| 9 #include "third_party/skia/include/core/SkDraw.h" | |
| 10 #include "third_party/skia/include/core/SkRect.h" | |
| 11 #include "third_party/skia/include/core/SkRegion.h" | |
| 12 #include "third_party/skia/include/core/SkScalar.h" | |
| 13 | |
| 14 namespace skia { | |
| 15 | |
| 16 static inline SkBitmap makeABitmap(int width, int height) { | |
| 17 SkBitmap bitmap; | |
| 18 bitmap.setInfo(SkImageInfo::MakeUnknown(width, height)); | |
| 19 return bitmap; | |
| 20 } | |
| 21 | |
| 22 VectorPlatformDeviceSkia::VectorPlatformDeviceSkia( | |
| 23 const SkISize& pageSize, | |
| 24 const SkISize& contentSize, | |
| 25 const SkMatrix& initialTransform) | |
| 26 : SkPDFDevice(pageSize, contentSize, initialTransform) { | |
| 27 SetPlatformDevice(this, this); | |
| 28 } | |
| 29 | |
| 30 VectorPlatformDeviceSkia::~VectorPlatformDeviceSkia() { | |
| 31 } | |
| 32 | |
| 33 bool VectorPlatformDeviceSkia::SupportsPlatformPaint() { | |
| 34 return false; | |
| 35 } | |
| 36 | |
| 37 PlatformSurface VectorPlatformDeviceSkia::BeginPlatformPaint() { | |
| 38 // Even when drawing a vector representation of the page, we have to | |
| 39 // provide a raster surface for plugins to render into - they don't have | |
| 40 // a vector interface. Therefore we create a BitmapPlatformDevice here | |
| 41 // and return the context from it, then layer on the raster data as an | |
| 42 // image in EndPlatformPaint. | |
| 43 DCHECK(raster_surface_ == NULL); | |
| 44 raster_surface_ = skia::AdoptRef( | |
| 45 BitmapPlatformDevice::CreateAndClear(width(), height(), false)); | |
| 46 return raster_surface_->BeginPlatformPaint(); | |
| 47 } | |
| 48 | |
| 49 void VectorPlatformDeviceSkia::EndPlatformPaint() { | |
| 50 DCHECK(raster_surface_ != NULL); | |
| 51 SkPaint paint; | |
| 52 // SkPDFDevice checks the passed SkDraw for an empty clip (only). Fake | |
| 53 // it out by setting a non-empty clip. | |
| 54 SkDraw draw; | |
| 55 SkRegion clip(SkIRect::MakeWH(width(), height())); | |
| 56 draw.fClip=&clip; | |
| 57 drawSprite(draw, raster_surface_->accessBitmap(false), 0, 0, paint); | |
| 58 // BitmapPlatformDevice matches begin and end calls. | |
| 59 raster_surface_->EndPlatformPaint(); | |
| 60 raster_surface_.clear(); | |
| 61 } | |
| 62 | |
| 63 #if defined(OS_WIN) | |
| 64 void VectorPlatformDeviceSkia::DrawToNativeContext(HDC dc, | |
| 65 int x, | |
| 66 int y, | |
| 67 const RECT* src_rect) { | |
| 68 SkASSERT(false); | |
| 69 } | |
| 70 #elif defined(OS_MACOSX) | |
| 71 void VectorPlatformDeviceSkia::DrawToNativeContext(CGContext* context, int x, | |
| 72 int y, const CGRect* src_rect) { | |
| 73 SkASSERT(false); | |
| 74 } | |
| 75 | |
| 76 CGContextRef VectorPlatformDeviceSkia::GetBitmapContext() { | |
| 77 SkASSERT(false); | |
| 78 return NULL; | |
| 79 } | |
| 80 #elif defined(OS_POSIX) | |
| 81 void VectorPlatformDeviceSkia::DrawToNativeContext( | |
| 82 PlatformSurface surface, int x, int y, const PlatformRect* src_rect) { | |
| 83 // Should never be called on Linux. | |
| 84 SkASSERT(false); | |
| 85 } | |
| 86 #endif | |
| 87 | |
| 88 } // namespace skia | |
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Chromium Code Reviews
Issue 723343002:
Update from https://crrev.com/304121 (Closed)
Base URL: git@github.com:domokit/mojo.git@master