gfx/thebes/gfx2DGlue.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef GFX_2D_GLUE_H
   8 #define GFX_2D_GLUE_H
   9
  10 #include "gfxMatrix.h"
  11 #include "gfxPoint.h"
  12 #include "gfxRect.h"
  13 #include "gfxTypes.h"
  14 #include "mozilla/gfx/Matrix.h"
  15 #include "mozilla/gfx/Point.h"
  16 #include "mozilla/gfx/Rect.h"
  17 #include "mozilla/gfx/Types.h"
  18
  19 namespace mozilla {
  20 namespace gfx {
  21
  22 inline Rect ToRect(const gfxRect& aRect) {
  23   return Rect(Float(aRect.X()), Float(aRect.Y()), Float(aRect.Width()),
  24               Float(aRect.Height()));
  25 }
  26
  27 inline RectDouble ToRectDouble(const gfxRect& aRect) {
  28   return RectDouble(aRect.X(), aRect.Y(), aRect.Width(), aRect.Height());
  29 }
  30
  31 inline Matrix ToMatrix(const gfxMatrix& aMatrix) {
  32   return Matrix(Float(aMatrix._11), Float(aMatrix._12), Float(aMatrix._21),
  33                 Float(aMatrix._22), Float(aMatrix._31), Float(aMatrix._32));
  34 }
  35
  36 inline gfxMatrix ThebesMatrix(const Matrix& aMatrix) {
  37   return gfxMatrix(aMatrix._11, aMatrix._12, aMatrix._21, aMatrix._22,
  38                    aMatrix._31, aMatrix._32);
  39 }
  40
  41 inline Point ToPoint(const gfxPoint& aPoint) {
  42   return Point(Float(aPoint.x), Float(aPoint.y));
  43 }
  44
  45 inline Size ToSize(const gfxSize& aSize) {
  46   return Size(Float(aSize.width), Float(aSize.height));
  47 }
  48
  49 inline gfxPoint ThebesPoint(const Point& aPoint) {
  50   return gfxPoint(aPoint.x, aPoint.y);
  51 }
  52
  53 inline gfxSize ThebesSize(const Size& aSize) {
  54   return gfxSize(aSize.width, aSize.height);
  55 }
  56
  57 inline gfxRect ThebesRect(const Rect& aRect) {
  58   return gfxRect(aRect.X(), aRect.Y(), aRect.Width(), aRect.Height());
  59 }
  60
  61 inline gfxRect ThebesRect(const IntRect& aRect) {
  62   return gfxRect(aRect.X(), aRect.Y(), aRect.Width(), aRect.Height());
  63 }
  64
  65 inline gfxRect ThebesRect(const RectDouble& aRect) {
  66   return gfxRect(aRect.X(), aRect.Y(), aRect.Width(), aRect.Height());
  67 }
  68
  69 inline gfxImageFormat SurfaceFormatToImageFormat(SurfaceFormat aFormat) {
  70   switch (aFormat) {
  71     case SurfaceFormat::B8G8R8A8:
  72       return SurfaceFormat::A8R8G8B8_UINT32;
  73     case SurfaceFormat::B8G8R8X8:
  74       return SurfaceFormat::X8R8G8B8_UINT32;
  75     case SurfaceFormat::R5G6B5_UINT16:
  76       return SurfaceFormat::R5G6B5_UINT16;
  77     case SurfaceFormat::A8:
  78       return SurfaceFormat::A8;
  79     default:
  80       return SurfaceFormat::UNKNOWN;
  81   }
  82 }
  83
  84 inline SurfaceFormat ImageFormatToSurfaceFormat(gfxImageFormat aFormat) {
  85   switch (aFormat) {
  86     case SurfaceFormat::A8R8G8B8_UINT32:
  87       return SurfaceFormat::B8G8R8A8;
  88     case SurfaceFormat::X8R8G8B8_UINT32:
  89       return SurfaceFormat::B8G8R8X8;
  90     case SurfaceFormat::R5G6B5_UINT16:
  91       return SurfaceFormat::R5G6B5_UINT16;
  92     case SurfaceFormat::A8:
  93       return SurfaceFormat::A8;
  94     default:
  95     case SurfaceFormat::UNKNOWN:
  96       return SurfaceFormat::B8G8R8A8;
  97   }
  98 }
  99
 100 inline gfxContentType ContentForFormat(const SurfaceFormat& aFormat) {
 101   switch (aFormat) {
 102     case SurfaceFormat::R5G6B5_UINT16:
 103     case SurfaceFormat::B8G8R8X8:
 104     case SurfaceFormat::R8G8B8X8:
 105       return gfxContentType::COLOR;
 106     case SurfaceFormat::A8:
 107       return gfxContentType::ALPHA;
 108     case SurfaceFormat::B8G8R8A8:
 109     case SurfaceFormat::R8G8B8A8:
 110     default:
 111       return gfxContentType::COLOR_ALPHA;
 112   }
 113 }
 114
 115 }  // namespace gfx
 116 }  // namespace mozilla
 117
 118 #endif