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JUCE/modules/juce_graphics/contexts/juce_LowLevelGraphicsSoftwareRenderer.h

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/*
==============================================================================
This file is part of the JUCE library - "Jules' Utility Class Extensions"
Copyright 2004-11 by Raw Material Software Ltd.
------------------------------------------------------------------------------
JUCE can be redistributed and/or modified under the terms of the GNU General
Public License (Version 2), as published by the Free Software Foundation.
A copy of the license is included in the JUCE distribution, or can be found
online at www.gnu.org/licenses.
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.rawmaterialsoftware.com/juce for more information.
==============================================================================
*/
#ifndef __JUCE_LOWLEVELGRAPHICSSOFTWARERENDERER_JUCEHEADER__
#define __JUCE_LOWLEVELGRAPHICSSOFTWARERENDERER_JUCEHEADER__
#include "juce_LowLevelGraphicsContext.h"
#include "../native/juce_RenderingHelpers.h"
//==============================================================================
/**
A lowest-common-denominator implementation of LowLevelGraphicsContext that does all
its rendering in memory.
User code is not supposed to create instances of this class directly - do all your
rendering via the Graphics class instead.
*/
class JUCE_API LowLevelGraphicsSoftwareRenderer : public LowLevelGraphicsContext
{
public:
//==============================================================================
LowLevelGraphicsSoftwareRenderer (const Image& imageToRenderOnto);
LowLevelGraphicsSoftwareRenderer (const Image& imageToRenderOnto, const Point<int>& origin,
const RectangleList& initialClip);
~LowLevelGraphicsSoftwareRenderer();
bool isVectorDevice() const;
void setOrigin (int x, int y);
void addTransform (const AffineTransform&);
float getScaleFactor();
bool clipToRectangle (const Rectangle<int>&);
bool clipToRectangleList (const RectangleList&);
void excludeClipRectangle (const Rectangle<int>&);
void clipToPath (const Path&, const AffineTransform&);
void clipToImageAlpha (const Image&, const AffineTransform&);
bool clipRegionIntersects (const Rectangle<int>&);
Rectangle<int> getClipBounds() const;
bool isClipEmpty() const;
void saveState();
void restoreState();
void beginTransparencyLayer (float opacity);
void endTransparencyLayer();
void setFill (const FillType&);
void setOpacity (float opacity);
void setInterpolationQuality (Graphics::ResamplingQuality);
void fillRect (const Rectangle<int>&, bool replaceExistingContents);
void fillPath (const Path&, const AffineTransform&);
void drawImage (const Image&, const AffineTransform&);
void drawLine (const Line <float>&);
void drawVerticalLine (int x, float top, float bottom);
void drawHorizontalLine (int x, float top, float bottom);
void setFont (const Font&);
const Font& getFont();
void drawGlyph (int glyphNumber, float x, float y);
void drawGlyph (int glyphNumber, const AffineTransform&);
const Image& getImage() const noexcept { return savedState->image; }
const RenderingHelpers::TranslationOrTransform& getTransform() const noexcept { return savedState->transform; }
protected:
RenderingHelpers::SavedStateStack <RenderingHelpers::SoftwareRendererSavedState> savedState;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LowLevelGraphicsSoftwareRenderer);
};
#endif // __JUCE_LOWLEVELGRAPHICSSOFTWARERENDERER_JUCEHEADER__