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// Copyright (c) 2011 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/bitmap_platform_device_android.h"
namespace skia {
BitmapPlatformDevice* BitmapPlatformDevice::Create(int width, int height,
bool is_opaque) {
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height);
if (bitmap.allocPixels()) {
bitmap.setIsOpaque(is_opaque);
// Follow the logic in SkCanvas::createDevice(), initialize the bitmap if it
// is not opaque.
if (!is_opaque)
bitmap.eraseARGB(0, 0, 0, 0);
return new BitmapPlatformDevice(bitmap);
}
return NULL;
}
BitmapPlatformDevice* BitmapPlatformDevice::Create(int width, int height,
bool is_opaque,
uint8_t* data) {
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height);
if (data) {
bitmap.setPixels(data);
} else {
if (!bitmap.allocPixels())
return NULL;
// Follow the logic in SkCanvas::createDevice(), initialize the bitmap if it
// is not opaque.
if (!is_opaque)
bitmap.eraseARGB(0, 0, 0, 0);
}
bitmap.setIsOpaque(is_opaque);
return new BitmapPlatformDevice(bitmap);
}
BitmapPlatformDevice::BitmapPlatformDevice(const SkBitmap& bitmap)
: SkDevice(bitmap) {
SetPlatformDevice(this, this);
}
BitmapPlatformDevice::~BitmapPlatformDevice() {
}
SkDevice* BitmapPlatformDevice::onCreateCompatibleDevice(
SkBitmap::Config config, int width, int height, bool isOpaque,
Usage /*usage*/) {
SkASSERT(config == SkBitmap::kARGB_8888_Config);
return BitmapPlatformDevice::Create(width, height, isOpaque);
}
PlatformSurface BitmapPlatformDevice::BeginPlatformPaint() {
// TODO(zhenghao): What should we return? The ptr to the address of the
// pixels? Maybe this won't be called at all.
return accessBitmap(true).getPixels();
}
void BitmapPlatformDevice::DrawToNativeContext(
PlatformSurface surface, int x, int y, const PlatformRect* src_rect) {
// Should never be called on Android.
SkASSERT(false);
}
} // namespace skia
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