gecko/gfx/2d/DrawTargetSkia.h

147 lines
6.2 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Matt Woodrow <mwoodrow@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#pragma once
#include "skia/SkCanvas.h"
#include "2D.h"
#include "Rect.h"
#include "PathSkia.h"
#include <sstream>
#include <vector>
using namespace std;
#include "gfxImageSurface.h"
namespace mozilla {
namespace gfx {
class SourceSurfaceSkia;
class DrawTargetSkia : public DrawTarget
{
public:
DrawTargetSkia();
virtual ~DrawTargetSkia();
virtual BackendType GetType() const { return BACKEND_SKIA; }
virtual TemporaryRef<SourceSurface> Snapshot();
virtual IntSize GetSize() { return mSize; }
virtual void Flush();
virtual void DrawSurface(SourceSurface *aSurface,
const Rect &aDest,
const Rect &aSource,
const DrawSurfaceOptions &aSurfOptions = DrawSurfaceOptions(),
const DrawOptions &aOptions = DrawOptions());
virtual void DrawSurfaceWithShadow(SourceSurface *aSurface,
const Point &aDest,
const Color &aColor,
const Point &aOffset,
Float aSigma,
CompositionOp aOperator);
virtual void ClearRect(const Rect &aRect);
virtual void CopySurface(SourceSurface *aSurface,
const IntRect &aSourceRect,
const IntPoint &aDestination);
virtual void FillRect(const Rect &aRect,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions());
virtual void StrokeRect(const Rect &aRect,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions());
virtual void StrokeLine(const Point &aStart,
const Point &aEnd,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions());
virtual void Stroke(const Path *aPath,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions());
virtual void Fill(const Path *aPath,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions());
virtual void FillGlyphs(ScaledFont *aFont,
const GlyphBuffer &aBuffer,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions());
virtual void Mask(const Pattern &aSource,
const Pattern &aMask,
const DrawOptions &aOptions = DrawOptions())
{ return; }
virtual void PushClip(const Path *aPath);
virtual void PushClipRect(const Rect &aRect) { }
virtual void PopClip();
virtual TemporaryRef<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
const IntSize &aSize,
int32_t aStride,
SurfaceFormat aFormat) const;
virtual TemporaryRef<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const;
virtual TemporaryRef<SourceSurface>
CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const;
virtual TemporaryRef<DrawTarget>
CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const;
virtual TemporaryRef<PathBuilder> CreatePathBuilder(FillRule aFillRule = FILL_WINDING) const;
virtual TemporaryRef<GradientStops> CreateGradientStops(GradientStop *aStops, uint32_t aNumStops, ExtendMode aExtendMode = EXTEND_CLAMP) const;
virtual void SetTransform(const Matrix &aTransform);
bool Init(const IntSize &aSize, SurfaceFormat aFormat);
operator std::string() const {
std::stringstream stream;
stream << "DrawTargetSkia(" << this << ")";
return stream.str();
}
private:
friend class SourceSurfaceSkia;
void AppendSnapshot(SourceSurfaceSkia* aSnapshot);
void RemoveSnapshot(SourceSurfaceSkia* aSnapshot);
void MarkChanged();
IntSize mSize;
SkBitmap mBitmap;
SkRefPtr<SkCanvas> mCanvas;
SkRefPtr<SkDevice> mDevice;
nsRefPtr<gfxImageSurface> mImageSurface;
SurfaceFormat mFormat;
vector<SourceSurfaceSkia*> mSnapshots;
};
}
}