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 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-

  * 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 MOZILLA_GFX_TYPES_H_

 #define MOZILLA_GFX_TYPES_H_

 #include "mozilla/NullPtr.h"

 #include "mozilla/TypedEnum.h"

 #include <stddef.h>

 #include <stdint.h>

 namespace mozilla {

 namespace gfx {

 typedef float Float;

 MOZ_BEGIN_ENUM_CLASS(SurfaceType, int8_t)

   DATA, /* Data surface - bitmap in memory */

   D2D1_BITMAP, /* Surface wrapping a ID2D1Bitmap */

   D2D1_DRAWTARGET, /* Surface made from a D2D draw target */

   CAIRO, /* Surface wrapping a cairo surface */

   CAIRO_IMAGE, /* Data surface wrapping a cairo image surface */

   COREGRAPHICS_IMAGE, /* Surface wrapping a CoreGraphics Image */

   COREGRAPHICS_CGCONTEXT, /* Surface wrapping a CG context */

   SKIA, /* Surface wrapping a Skia bitmap */

   DUAL_DT, /* Snapshot of a dual drawtarget */

   D2D1_1_IMAGE, /* A D2D 1.1 ID2D1Image SourceSurface */

   RECORDING /* Surface used for recording */

 MOZ_END_ENUM_CLASS(SurfaceType)

 MOZ_BEGIN_ENUM_CLASS(SurfaceFormat, int8_t)

   B8G8R8A8,

   B8G8R8X8,

   R8G8B8A8,

   R8G8B8X8,

   R5G6B5,

   A8,

   YUV,

   UNKNOWN

 MOZ_END_ENUM_CLASS(SurfaceFormat)

 MOZ_BEGIN_ENUM_CLASS(FilterType, int8_t)

   BLEND = 0,

   TRANSFORM,

   MORPHOLOGY,

   COLOR_MATRIX,

   FLOOD,

   TILE,

   TABLE_TRANSFER,

   DISCRETE_TRANSFER,

   LINEAR_TRANSFER,

   GAMMA_TRANSFER,

   CONVOLVE_MATRIX,

   DISPLACEMENT_MAP,

   TURBULENCE,

   ARITHMETIC_COMBINE,

   COMPOSITE,

   DIRECTIONAL_BLUR,

   GAUSSIAN_BLUR,

   POINT_DIFFUSE,

   POINT_SPECULAR,

   SPOT_DIFFUSE,

   SPOT_SPECULAR,

   DISTANT_DIFFUSE,

   DISTANT_SPECULAR,

   CROP,

   PREMULTIPLY,

   UNPREMULTIPLY

 MOZ_END_ENUM_CLASS(FilterType)

 MOZ_BEGIN_ENUM_CLASS(BackendType, int8_t)

   NONE = 0,

   DIRECT2D,

   COREGRAPHICS,

   COREGRAPHICS_ACCELERATED,

   CAIRO,

   SKIA,

   RECORDING,

   DIRECT2D1_1

 MOZ_END_ENUM_CLASS(BackendType)

 MOZ_BEGIN_ENUM_CLASS(FontType, int8_t)

   DWRITE,

   GDI,

   MAC,

   SKIA,

   CAIRO,

   COREGRAPHICS

 MOZ_END_ENUM_CLASS(FontType)

 MOZ_BEGIN_ENUM_CLASS(NativeSurfaceType, int8_t)

   D3D10_TEXTURE,

   CAIRO_SURFACE,

   CAIRO_CONTEXT,

   CGCONTEXT,

   CGCONTEXT_ACCELERATED,

   OPENGL_TEXTURE

 MOZ_END_ENUM_CLASS(NativeSurfaceType)

 MOZ_BEGIN_ENUM_CLASS(NativeFontType, int8_t)

   DWRITE_FONT_FACE,

   GDI_FONT_FACE,

   MAC_FONT_FACE,

   SKIA_FONT_FACE,

   CAIRO_FONT_FACE

 MOZ_END_ENUM_CLASS(NativeFontType)

 MOZ_BEGIN_ENUM_CLASS(FontStyle, int8_t)

   NORMAL,

   ITALIC,

   BOLD,

   BOLD_ITALIC

 MOZ_END_ENUM_CLASS(FontStyle)

 MOZ_BEGIN_ENUM_CLASS(FontHinting, int8_t)

   NONE,

   LIGHT,

   NORMAL,

   FULL

 MOZ_END_ENUM_CLASS(FontHinting)

 MOZ_BEGIN_ENUM_CLASS(CompositionOp, int8_t)

   OP_OVER,

   OP_ADD,

   OP_ATOP,

   OP_OUT,

   OP_IN,

   OP_SOURCE,

   OP_DEST_IN,

   OP_DEST_OUT,

   OP_DEST_OVER,

   OP_DEST_ATOP,

   OP_XOR,

   OP_MULTIPLY,

   OP_SCREEN,

   OP_OVERLAY,

   OP_DARKEN,

   OP_LIGHTEN,

   OP_COLOR_DODGE,

   OP_COLOR_BURN,

   OP_HARD_LIGHT,

   OP_SOFT_LIGHT,

   OP_DIFFERENCE,

   OP_EXCLUSION,

   OP_HUE,

   OP_SATURATION,

   OP_COLOR,

   OP_LUMINOSITY,

   OP_COUNT

 MOZ_END_ENUM_CLASS(CompositionOp)

 MOZ_BEGIN_ENUM_CLASS(ExtendMode, int8_t)

   CLAMP,

   REPEAT,

   REFLECT

 MOZ_END_ENUM_CLASS(ExtendMode)

 MOZ_BEGIN_ENUM_CLASS(FillRule, int8_t)

   FILL_WINDING,

   FILL_EVEN_ODD

 MOZ_END_ENUM_CLASS(FillRule)

 MOZ_BEGIN_ENUM_CLASS(AntialiasMode, int8_t)

   NONE,

   GRAY,

   SUBPIXEL,

   DEFAULT

 MOZ_END_ENUM_CLASS(AntialiasMode)

 MOZ_BEGIN_ENUM_CLASS(Filter, int8_t)

   GOOD,

   LINEAR,

   POINT

 MOZ_END_ENUM_CLASS(Filter)

 MOZ_BEGIN_ENUM_CLASS(PatternType, int8_t)

   COLOR,

   SURFACE,

   LINEAR_GRADIENT,

   RADIAL_GRADIENT

 MOZ_END_ENUM_CLASS(PatternType)

 MOZ_BEGIN_ENUM_CLASS(JoinStyle, int8_t)

   BEVEL,

   ROUND,

   MITER,

   MITER_OR_BEVEL

 MOZ_END_ENUM_CLASS(JoinStyle)

 MOZ_BEGIN_ENUM_CLASS(CapStyle, int8_t)

   BUTT,

   ROUND,

   SQUARE

 MOZ_END_ENUM_CLASS(CapStyle)

 MOZ_BEGIN_ENUM_CLASS(SamplingBounds, int8_t)

   UNBOUNDED,

   BOUNDED

 MOZ_END_ENUM_CLASS(SamplingBounds)

 /* Color is stored in non-premultiplied form */

 struct Color

 {

 public:

   Color()

     : r(0.0f), g(0.0f), b(0.0f), a(0.0f)

   {}

   Color(Float aR, Float aG, Float aB, Float aA)

     : r(aR), g(aG), b(aB), a(aA)

   {}

   Color(Float aR, Float aG, Float aB)

     : r(aR), g(aG), b(aB), a(1.0f)

   {}

   static Color FromABGR(uint32_t aColor)

   {

     Color newColor(((aColor >> 0) & 0xff) * (1.0f / 255.0f),

                    ((aColor >> 8) & 0xff) * (1.0f / 255.0f),

                    ((aColor >> 16) & 0xff) * (1.0f / 255.0f),

                    ((aColor >> 24) & 0xff) * (1.0f / 255.0f));

     return newColor;

   }

   uint32_t ToABGR() const

   {

     return uint32_t(r * 255.0f) | uint32_t(g * 255.0f) << 8 |

            uint32_t(b * 255.0f) << 16 | uint32_t(a * 255.0f) << 24;

   }

   Float r, g, b, a;

 };

 struct GradientStop

 {

   bool operator<(const GradientStop& aOther) const {

     return offset < aOther.offset;

   }

   Float offset;

   Color color;

 };

 }

 }

 #if defined(XP_WIN) && defined(MOZ_GFX)

 #ifdef GFX2D_INTERNAL

 #define GFX2D_API __declspec(dllexport)

 #else

 #define GFX2D_API __declspec(dllimport)

 #endif

 #else

 #define GFX2D_API

 #endif

 // Side constants for use in various places

 namespace mozilla {

   namespace css {

     enum Side {eSideTop, eSideRight, eSideBottom, eSideLeft};

   }

 }

 // XXX - These don't really belong here. But for now this is where they go.

 #define NS_SIDE_TOP     mozilla::css::eSideTop

 #define NS_SIDE_RIGHT   mozilla::css::eSideRight

 #define NS_SIDE_BOTTOM  mozilla::css::eSideBottom

 #define NS_SIDE_LEFT    mozilla::css::eSideLeft

 #endif /* MOZILLA_GFX_TYPES_H_ */