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// Copyright (c) 2009 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 "skia/ext/vector_canvas.h"
#include "skia/ext/bitmap_platform_device.h"
#include "skia/ext/vector_platform_device.h"
namespace skia {
VectorCanvas::VectorCanvas(cairo_t* context, int width, int height) {
bool initialized = initialize(context, width, height);
SkASSERT(initialized);
}
bool VectorCanvas::initialize(cairo_t* context, int width, int height) {
SkDevice* device = createPlatformDevice(context, width, height, true);
if (!device)
return false;
setDevice(device);
device->unref(); // was created with refcount 1, and setDevice also refs
return true;
}
SkDevice* VectorCanvas::createDevice(SkBitmap::Config config,
int width, int height,
bool is_opaque, bool isForLayer) {
SkASSERT(config == SkBitmap::kARGB_8888_Config);
return createPlatformDevice(NULL, width, height, is_opaque);
}
SkDevice* VectorCanvas::createPlatformDevice(cairo_t* context,
int width,
int height,
bool is_opaque) {
// TODO(myhuang): Here we might also have similar issues as those on Windows
// (vector_canvas_win.cc, http://crbug.com/18382 & http://crbug.com/18383).
// Please note that is_opaque is true when we use this class for printing.
// Fallback to bitmap when context is NULL.
if (!is_opaque || NULL == context) {
return BitmapPlatformDevice::Create(width, height, is_opaque);
}
PlatformDevice* device =
VectorPlatformDevice::create(context, width, height);
return device;
}
} // namespace skia
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