mirror of
https://github.com/mozilla/gecko-dev.git
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415 lines
9.5 KiB
C++
415 lines
9.5 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_2D_GLUE_H
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#define GFX_2D_GLUE_H
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#include "gfxPlatform.h"
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#include "gfxRect.h"
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#include "gfxMatrix.h"
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#include "gfx3DMatrix.h"
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#include "gfxContext.h"
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#include "mozilla/gfx/Matrix.h"
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#include "mozilla/gfx/Rect.h"
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#include "mozilla/gfx/2D.h"
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#include "gfxColor.h"
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namespace mozilla {
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namespace gfx {
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class DrawTarget;
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class SourceSurface;
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class ScaledFont;
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}
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}
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namespace mozilla {
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namespace gfx {
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inline Rect ToRect(const gfxRect &aRect)
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{
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return Rect(Float(aRect.x), Float(aRect.y),
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Float(aRect.width), Float(aRect.height));
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}
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inline Rect ToRect(const nsIntRect &aRect)
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{
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return Rect(aRect.x, aRect.y, aRect.width, aRect.height);
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}
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inline IntRect ToIntRect(const nsIntRect &aRect)
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{
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return IntRect(aRect.x, aRect.y, aRect.width, aRect.height);
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}
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inline Color ToColor(const gfxRGBA &aRGBA)
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{
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return Color(Float(aRGBA.r), Float(aRGBA.g),
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Float(aRGBA.b), Float(aRGBA.a));
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}
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inline Matrix ToMatrix(const gfxMatrix &aMatrix)
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{
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return Matrix(Float(aMatrix.xx), Float(aMatrix.yx), Float(aMatrix.xy),
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Float(aMatrix.yy), Float(aMatrix.x0), Float(aMatrix.y0));
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}
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inline gfxMatrix ThebesMatrix(const Matrix &aMatrix)
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{
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return gfxMatrix(aMatrix._11, aMatrix._12, aMatrix._21,
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aMatrix._22, aMatrix._31, aMatrix._32);
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}
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inline Point ToPoint(const gfxPoint &aPoint)
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{
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return Point(Float(aPoint.x), Float(aPoint.y));
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}
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inline Size ToSize(const gfxSize &aSize)
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{
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return Size(Float(aSize.width), Float(aSize.height));
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}
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inline IntSize ToIntSize(const gfxIntSize &aSize)
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{
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return IntSize(aSize.width, aSize.height);
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}
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inline Filter ToFilter(GraphicsFilter aFilter)
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{
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switch (aFilter) {
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case GraphicsFilter::FILTER_NEAREST:
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return FILTER_POINT;
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case GraphicsFilter::FILTER_GOOD:
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return FILTER_GOOD;
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default:
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return FILTER_LINEAR;
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}
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}
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inline GraphicsFilter ThebesFilter(Filter aFilter)
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{
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switch (aFilter) {
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case FILTER_POINT:
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return GraphicsFilter::FILTER_NEAREST;
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default:
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return GraphicsFilter::FILTER_BEST;
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}
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}
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inline ExtendMode ToExtendMode(gfxPattern::GraphicsExtend aExtend)
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{
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switch (aExtend) {
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case gfxPattern::EXTEND_REPEAT:
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return EXTEND_REPEAT;
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case gfxPattern::EXTEND_REFLECT:
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return EXTEND_REFLECT;
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default:
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return EXTEND_CLAMP;
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}
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}
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inline gfxPattern::GraphicsExtend ThebesExtend(ExtendMode aExtend)
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{
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switch (aExtend) {
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case EXTEND_REPEAT:
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return gfxPattern::EXTEND_REPEAT;
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case EXTEND_REFLECT:
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return gfxPattern::EXTEND_REFLECT;
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default:
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return gfxPattern::EXTEND_PAD;
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}
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}
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inline gfxPoint ThebesPoint(const Point &aPoint)
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{
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return gfxPoint(aPoint.x, aPoint.y);
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}
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inline gfxSize ThebesSize(const Size &aSize)
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{
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return gfxSize(aSize.width, aSize.height);
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}
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inline gfxIntSize ThebesIntSize(const IntSize &aSize)
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{
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return gfxIntSize(aSize.width, aSize.height);
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}
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inline gfxRect ThebesRect(const Rect &aRect)
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{
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return gfxRect(aRect.x, aRect.y, aRect.width, aRect.height);
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}
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inline nsIntRect ThebesIntRect(const IntRect &aRect)
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{
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return nsIntRect(aRect.x, aRect.y, aRect.width, aRect.height);
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}
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inline gfxRGBA ThebesRGBA(const Color &aColor)
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{
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return gfxRGBA(aColor.r, aColor.g, aColor.b, aColor.a);
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}
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inline gfxContext::GraphicsLineCap ThebesLineCap(CapStyle aStyle)
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{
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switch (aStyle) {
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case CAP_BUTT:
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return gfxContext::LINE_CAP_BUTT;
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case CAP_ROUND:
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return gfxContext::LINE_CAP_ROUND;
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case CAP_SQUARE:
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return gfxContext::LINE_CAP_SQUARE;
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}
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MOZ_CRASH("Incomplete switch");
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}
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inline CapStyle ToCapStyle(gfxContext::GraphicsLineCap aStyle)
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{
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switch (aStyle) {
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case gfxContext::LINE_CAP_BUTT:
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return CAP_BUTT;
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case gfxContext::LINE_CAP_ROUND:
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return CAP_ROUND;
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case gfxContext::LINE_CAP_SQUARE:
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return CAP_SQUARE;
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}
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MOZ_CRASH("Incomplete switch");
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}
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inline gfxContext::GraphicsLineJoin ThebesLineJoin(JoinStyle aStyle)
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{
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switch (aStyle) {
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case JOIN_MITER:
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return gfxContext::LINE_JOIN_MITER;
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case JOIN_BEVEL:
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return gfxContext::LINE_JOIN_BEVEL;
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case JOIN_ROUND:
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return gfxContext::LINE_JOIN_ROUND;
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default:
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return gfxContext::LINE_JOIN_MITER;
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}
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}
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inline JoinStyle ToJoinStyle(gfxContext::GraphicsLineJoin aStyle)
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{
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switch (aStyle) {
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case gfxContext::LINE_JOIN_MITER:
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return JOIN_MITER;
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case gfxContext::LINE_JOIN_BEVEL:
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return JOIN_BEVEL;
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case gfxContext::LINE_JOIN_ROUND:
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return JOIN_ROUND;
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}
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MOZ_CRASH("Incomplete switch");
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}
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inline gfxImageFormat SurfaceFormatToImageFormat(SurfaceFormat aFormat)
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{
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switch (aFormat) {
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case FORMAT_B8G8R8A8:
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return gfxImageFormatARGB32;
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case FORMAT_B8G8R8X8:
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return gfxImageFormatRGB24;
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case FORMAT_R5G6B5:
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return gfxImageFormatRGB16_565;
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case FORMAT_A8:
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return gfxImageFormatA8;
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default:
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return gfxImageFormatUnknown;
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}
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}
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inline SurfaceFormat ImageFormatToSurfaceFormat(gfxImageFormat aFormat)
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{
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switch (aFormat) {
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case gfxImageFormatARGB32:
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return FORMAT_B8G8R8A8;
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case gfxImageFormatRGB24:
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return FORMAT_B8G8R8X8;
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case gfxImageFormatRGB16_565:
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return FORMAT_R5G6B5;
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case gfxImageFormatA8:
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return FORMAT_A8;
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default:
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case gfxImageFormatUnknown:
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return FORMAT_B8G8R8A8;
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}
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}
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inline gfxContentType ContentForFormat(const SurfaceFormat &aFormat)
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{
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switch (aFormat) {
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case FORMAT_R5G6B5:
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case FORMAT_B8G8R8X8:
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case FORMAT_R8G8B8X8:
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return GFX_CONTENT_COLOR;
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case FORMAT_A8:
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return GFX_CONTENT_ALPHA;
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case FORMAT_B8G8R8A8:
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case FORMAT_R8G8B8A8:
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default:
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return GFX_CONTENT_COLOR_ALPHA;
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}
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}
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inline CompositionOp CompositionOpForOp(gfxContext::GraphicsOperator aOp)
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{
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switch (aOp) {
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case gfxContext::OPERATOR_ADD:
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return OP_ADD;
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case gfxContext::OPERATOR_ATOP:
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return OP_ATOP;
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case gfxContext::OPERATOR_IN:
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return OP_IN;
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case gfxContext::OPERATOR_OUT:
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return OP_OUT;
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case gfxContext::OPERATOR_SOURCE:
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return OP_SOURCE;
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case gfxContext::OPERATOR_DEST_IN:
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return OP_DEST_IN;
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case gfxContext::OPERATOR_DEST_OUT:
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return OP_DEST_OUT;
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case gfxContext::OPERATOR_DEST_ATOP:
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return OP_DEST_ATOP;
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case gfxContext::OPERATOR_XOR:
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return OP_XOR;
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case gfxContext::OPERATOR_MULTIPLY:
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return OP_MULTIPLY;
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case gfxContext::OPERATOR_SCREEN:
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return OP_SCREEN;
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case gfxContext::OPERATOR_OVERLAY:
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return OP_OVERLAY;
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case gfxContext::OPERATOR_DARKEN:
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return OP_DARKEN;
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case gfxContext::OPERATOR_LIGHTEN:
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return OP_LIGHTEN;
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case gfxContext::OPERATOR_COLOR_DODGE:
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return OP_COLOR_DODGE;
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case gfxContext::OPERATOR_COLOR_BURN:
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return OP_COLOR_BURN;
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case gfxContext::OPERATOR_HARD_LIGHT:
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return OP_HARD_LIGHT;
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case gfxContext::OPERATOR_SOFT_LIGHT:
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return OP_SOFT_LIGHT;
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case gfxContext::OPERATOR_DIFFERENCE:
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return OP_DIFFERENCE;
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case gfxContext::OPERATOR_EXCLUSION:
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return OP_EXCLUSION;
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case gfxContext::OPERATOR_HUE:
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return OP_HUE;
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case gfxContext::OPERATOR_SATURATION:
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return OP_SATURATION;
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case gfxContext::OPERATOR_COLOR:
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return OP_COLOR;
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case gfxContext::OPERATOR_LUMINOSITY:
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return OP_LUMINOSITY;
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default:
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return OP_OVER;
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}
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}
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inline gfxContext::GraphicsOperator ThebesOp(CompositionOp aOp)
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{
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switch (aOp) {
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case OP_ADD:
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return gfxContext::OPERATOR_ADD;
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case OP_ATOP:
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return gfxContext::OPERATOR_ATOP;
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case OP_IN:
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return gfxContext::OPERATOR_IN;
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case OP_OUT:
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return gfxContext::OPERATOR_OUT;
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case OP_SOURCE:
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return gfxContext::OPERATOR_SOURCE;
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case OP_DEST_IN:
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return gfxContext::OPERATOR_DEST_IN;
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case OP_DEST_OUT:
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return gfxContext::OPERATOR_DEST_OUT;
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case OP_DEST_ATOP:
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return gfxContext::OPERATOR_DEST_ATOP;
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case OP_XOR:
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return gfxContext::OPERATOR_XOR;
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case OP_MULTIPLY:
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return gfxContext::OPERATOR_MULTIPLY;
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case OP_SCREEN:
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return gfxContext::OPERATOR_SCREEN;
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case OP_OVERLAY:
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return gfxContext::OPERATOR_OVERLAY;
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case OP_DARKEN:
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return gfxContext::OPERATOR_DARKEN;
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case OP_LIGHTEN:
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return gfxContext::OPERATOR_LIGHTEN;
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case OP_COLOR_DODGE:
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return gfxContext::OPERATOR_COLOR_DODGE;
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case OP_COLOR_BURN:
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return gfxContext::OPERATOR_COLOR_BURN;
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case OP_HARD_LIGHT:
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return gfxContext::OPERATOR_HARD_LIGHT;
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case OP_SOFT_LIGHT:
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return gfxContext::OPERATOR_SOFT_LIGHT;
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case OP_DIFFERENCE:
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return gfxContext::OPERATOR_DIFFERENCE;
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case OP_EXCLUSION:
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return gfxContext::OPERATOR_EXCLUSION;
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case OP_HUE:
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return gfxContext::OPERATOR_HUE;
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case OP_SATURATION:
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return gfxContext::OPERATOR_SATURATION;
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case OP_COLOR:
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return gfxContext::OPERATOR_COLOR;
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case OP_LUMINOSITY:
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return gfxContext::OPERATOR_LUMINOSITY;
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default:
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return gfxContext::OPERATOR_OVER;
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}
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}
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inline void
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ToMatrix4x4(const gfx3DMatrix& aIn, Matrix4x4& aOut)
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{
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aOut._11 = aIn._11;
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aOut._12 = aIn._12;
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aOut._13 = aIn._13;
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aOut._14 = aIn._14;
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aOut._21 = aIn._21;
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aOut._22 = aIn._22;
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aOut._23 = aIn._23;
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aOut._24 = aIn._24;
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aOut._31 = aIn._31;
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aOut._32 = aIn._32;
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aOut._33 = aIn._33;
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aOut._34 = aIn._34;
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aOut._41 = aIn._41;
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aOut._42 = aIn._42;
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aOut._43 = aIn._43;
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aOut._44 = aIn._44;
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}
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inline void
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To3DMatrix(const Matrix4x4& aIn, gfx3DMatrix& aOut)
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{
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aOut._11 = aIn._11;
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aOut._12 = aIn._12;
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aOut._13 = aIn._13;
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aOut._14 = aIn._14;
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aOut._21 = aIn._21;
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aOut._22 = aIn._22;
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aOut._23 = aIn._23;
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aOut._24 = aIn._24;
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aOut._31 = aIn._31;
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aOut._32 = aIn._32;
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aOut._33 = aIn._33;
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aOut._34 = aIn._34;
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aOut._41 = aIn._41;
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aOut._42 = aIn._42;
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aOut._43 = aIn._43;
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aOut._44 = aIn._44;
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}
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}
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}
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#endif
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