gecko-dev/gfx/thebes/gfx2DGlue.h

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C++

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