gecko/gfx/thebes/gfxPattern.h

148 lines
4.9 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** 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 Oracle Corporation code.
*
* The Initial Developer of the Original Code is Oracle Corporation.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Stuart Parmenter <stuart@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 ***** */
#ifndef GFX_PATTERN_H
#define GFX_PATTERN_H
#include "gfxTypes.h"
#include "gfxColor.h"
#include "gfxMatrix.h"
#include "nsISupportsImpl.h"
#include "nsAutoPtr.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/Util.h"
class gfxContext;
class gfxASurface;
typedef struct _cairo_pattern cairo_pattern_t;
class THEBES_API gfxPattern {
NS_INLINE_DECL_REFCOUNTING(gfxPattern)
public:
gfxPattern(cairo_pattern_t *aPattern);
gfxPattern(const gfxRGBA& aColor);
gfxPattern(gfxASurface *surface); // from another surface
// linear
gfxPattern(gfxFloat x0, gfxFloat y0, gfxFloat x1, gfxFloat y1); // linear
gfxPattern(gfxFloat cx0, gfxFloat cy0, gfxFloat radius0,
gfxFloat cx1, gfxFloat cy1, gfxFloat radius1); // radial
gfxPattern(mozilla::gfx::SourceSurface *aSurface,
const mozilla::gfx::Matrix &aTransform); // Azure
virtual ~gfxPattern();
cairo_pattern_t *CairoPattern();
void AddColorStop(gfxFloat offset, const gfxRGBA& c);
void SetMatrix(const gfxMatrix& matrix);
gfxMatrix GetMatrix() const;
mozilla::gfx::Pattern *GetPattern(mozilla::gfx::DrawTarget *aTarget);
bool IsOpaque();
enum GraphicsExtend {
EXTEND_NONE,
EXTEND_REPEAT,
EXTEND_REFLECT,
EXTEND_PAD,
// Our own private flag for setting either NONE or PAD,
// depending on what the platform does for NONE. This is only
// relevant for surface patterns; for all other patterns, it
// behaves identical to PAD. On MacOS X, this becomes "NONE",
// because Quartz does the thing that we want at image edges;
// similarily on the win32 printing surface, since
// everything's done with GDI there. On other platforms, it
// usually becomes PAD.
EXTEND_PAD_EDGE = 1000
};
// none, repeat, reflect
void SetExtend(GraphicsExtend extend);
GraphicsExtend Extend() const;
enum GraphicsPatternType {
PATTERN_SOLID,
PATTERN_SURFACE,
PATTERN_LINEAR,
PATTERN_RADIAL
};
GraphicsPatternType GetType() const;
int CairoStatus();
enum GraphicsFilter {
FILTER_FAST,
FILTER_GOOD,
FILTER_BEST,
FILTER_NEAREST,
FILTER_BILINEAR,
FILTER_GAUSSIAN
};
void SetFilter(GraphicsFilter filter);
GraphicsFilter Filter() const;
/* returns TRUE if it succeeded */
bool GetSolidColor(gfxRGBA& aColor);
already_AddRefed<gfxASurface> GetSurface();
protected:
cairo_pattern_t *mPattern;
union {
mozilla::AlignedStorage2<mozilla::gfx::ColorPattern> mColorPattern;
mozilla::AlignedStorage2<mozilla::gfx::LinearGradientPattern> mLinearGradientPattern;
mozilla::AlignedStorage2<mozilla::gfx::RadialGradientPattern> mRadialGradientPattern;
mozilla::AlignedStorage2<mozilla::gfx::SurfacePattern> mSurfacePattern;
};
mozilla::gfx::Pattern *mGfxPattern;
mozilla::RefPtr<mozilla::gfx::SourceSurface> mSourceSurface;
mozilla::gfx::Matrix mTransform;
mozilla::RefPtr<mozilla::gfx::GradientStops> mStops;
mozilla::gfx::ExtendMode mExtend;
mozilla::gfx::Filter mFilter;
};
#endif /* GFX_PATTERN_H */