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149 lines
3.8 KiB
C++
149 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Corporation code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Matt Woodrow <mwoodrow@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "Logging.h"
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#include "SourceSurfaceSkia.h"
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#include "skia/SkBitmap.h"
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#include "skia/SkDevice.h"
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#include "HelpersSkia.h"
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#include "DrawTargetSkia.h"
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namespace mozilla {
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namespace gfx {
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SourceSurfaceSkia::SourceSurfaceSkia()
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: mDrawTarget(NULL)
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{
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}
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SourceSurfaceSkia::~SourceSurfaceSkia()
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{
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MarkIndependent();
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}
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IntSize
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SourceSurfaceSkia::GetSize() const
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{
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return mSize;
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}
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SurfaceFormat
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SourceSurfaceSkia::GetFormat() const
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{
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return mFormat;
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}
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bool
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SourceSurfaceSkia::InitFromData(unsigned char* aData,
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const IntSize &aSize,
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int32_t aStride,
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SurfaceFormat aFormat)
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{
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SkBitmap temp;
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temp.setConfig(GfxFormatToSkiaConfig(aFormat), aSize.width, aSize.height, aStride);
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temp.setPixels(aData);
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if (!temp.copyTo(&mBitmap, GfxFormatToSkiaConfig(aFormat))) {
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return false;
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}
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mSize = aSize;
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mFormat = aFormat;
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mStride = aStride;
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return true;
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}
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bool
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SourceSurfaceSkia::InitWithBitmap(const SkBitmap& aBitmap,
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SurfaceFormat aFormat,
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DrawTargetSkia* aOwner)
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{
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mFormat = aFormat;
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mSize = IntSize(aBitmap.width(), aBitmap.height());
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if (aOwner) {
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mBitmap = aBitmap;
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mStride = aBitmap.rowBytes();
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mDrawTarget = aOwner;
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return true;
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} else if (aBitmap.copyTo(&mBitmap, aBitmap.getConfig())) {
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mStride = mBitmap.rowBytes();
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return true;
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}
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return false;
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}
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unsigned char*
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SourceSurfaceSkia::GetData()
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{
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mBitmap.lockPixels();
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unsigned char *pixels = (unsigned char *)mBitmap.getPixels();
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mBitmap.unlockPixels();
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return pixels;
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}
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void
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SourceSurfaceSkia::DrawTargetWillChange()
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{
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if (mDrawTarget) {
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mDrawTarget = NULL;
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SkBitmap temp = mBitmap;
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mBitmap.reset();
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temp.copyTo(&mBitmap, temp.getConfig());
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}
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}
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void
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SourceSurfaceSkia::DrawTargetDestroyed()
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{
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mDrawTarget = NULL;
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}
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void
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SourceSurfaceSkia::MarkIndependent()
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{
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if (mDrawTarget) {
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mDrawTarget->RemoveSnapshot(this);
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mDrawTarget = NULL;
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}
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}
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}
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}
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