mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
395 lines
8.8 KiB
C++
395 lines
8.8 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* 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 MOZILLA_GFX_TYPES_H_
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#define MOZILLA_GFX_TYPES_H_
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#include "mozilla/Endian.h"
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#include <stddef.h>
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#include <stdint.h>
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namespace mozilla {
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namespace gfx {
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typedef float Float;
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enum class SurfaceType : int8_t {
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DATA, /* Data surface - bitmap in memory */
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D2D1_BITMAP, /* Surface wrapping a ID2D1Bitmap */
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D2D1_DRAWTARGET, /* Surface made from a D2D draw target */
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CAIRO, /* Surface wrapping a cairo surface */
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CAIRO_IMAGE, /* Data surface wrapping a cairo image surface */
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COREGRAPHICS_IMAGE, /* Surface wrapping a CoreGraphics Image */
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COREGRAPHICS_CGCONTEXT, /* Surface wrapping a CG context */
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SKIA, /* Surface wrapping a Skia bitmap */
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DUAL_DT, /* Snapshot of a dual drawtarget */
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D2D1_1_IMAGE, /* A D2D 1.1 ID2D1Image SourceSurface */
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RECORDING, /* Surface used for recording */
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TILED /* Surface from a tiled DrawTarget */
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};
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enum class SurfaceFormat : int8_t {
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// The following values are named to reflect layout of colors in memory, from
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// lowest byte to highest byte. The 32-bit value layout depends on machine
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// endianness.
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// in-memory 32-bit LE value 32-bit BE value
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B8G8R8A8, // [BB, GG, RR, AA] 0xAARRGGBB 0xBBGGRRAA
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B8G8R8X8, // [BB, GG, RR, 00] 0x00RRGGBB 0xBBGGRR00
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R8G8B8A8, // [RR, GG, BB, AA] 0xAABBGGRR 0xRRGGBBAA
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R8G8B8X8, // [RR, GG, BB, 00] 0x00BBGGRR 0xRRGGBB00
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A8R8G8B8, // [AA, RR, GG, BB] 0xBBGGRRAA 0xAARRGGBB
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X8R8G8B8, // [00, RR, GG, BB] 0xBBGGRR00 0x00RRGGBB
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// The _UINT16 suffix here indicates that the name reflects the layout when
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// viewed as a uint16_t value. In memory these values are stored using native
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// endianness.
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R5G6B5_UINT16, // 0bRRRRRGGGGGGBBBBB
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// This one is a single-byte, so endianness isn't an issue.
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A8,
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// These ones are their own special cases.
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YUV,
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NV12,
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// This represents the unknown format.
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UNKNOWN,
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// The following values are endian-independent synonyms. The _UINT32 suffix
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// indicates that the name reflects the layout when viewed as a uint32_t
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// value.
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#if MOZ_LITTLE_ENDIAN
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A8R8G8B8_UINT32 = B8G8R8A8, // 0xAARRGGBB
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X8R8G8B8_UINT32 = B8G8R8X8 // 0x00RRGGBB
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#elif MOZ_BIG_ENDIAN
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A8R8G8B8_UINT32 = A8R8G8B8, // 0xAARRGGBB
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X8R8G8B8_UINT32 = X8R8G8B8 // 0x00RRGGBB
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#else
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# error "bad endianness"
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#endif
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};
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inline bool IsOpaque(SurfaceFormat aFormat)
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{
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switch (aFormat) {
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case SurfaceFormat::B8G8R8X8:
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case SurfaceFormat::R8G8B8X8:
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case SurfaceFormat::R5G6B5_UINT16:
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case SurfaceFormat::YUV:
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case SurfaceFormat::NV12:
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return true;
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default:
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return false;
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}
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}
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enum class FilterType : int8_t {
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BLEND = 0,
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TRANSFORM,
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MORPHOLOGY,
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COLOR_MATRIX,
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FLOOD,
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TILE,
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TABLE_TRANSFER,
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DISCRETE_TRANSFER,
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LINEAR_TRANSFER,
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GAMMA_TRANSFER,
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CONVOLVE_MATRIX,
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DISPLACEMENT_MAP,
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TURBULENCE,
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ARITHMETIC_COMBINE,
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COMPOSITE,
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DIRECTIONAL_BLUR,
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GAUSSIAN_BLUR,
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POINT_DIFFUSE,
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POINT_SPECULAR,
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SPOT_DIFFUSE,
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SPOT_SPECULAR,
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DISTANT_DIFFUSE,
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DISTANT_SPECULAR,
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CROP,
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PREMULTIPLY,
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UNPREMULTIPLY
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};
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enum class DrawTargetType : int8_t {
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SOFTWARE_RASTER = 0,
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HARDWARE_RASTER,
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VECTOR
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};
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enum class BackendType : int8_t {
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NONE = 0,
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DIRECT2D,
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COREGRAPHICS,
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COREGRAPHICS_ACCELERATED,
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CAIRO,
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SKIA,
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RECORDING,
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DIRECT2D1_1
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};
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enum class FontType : int8_t {
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DWRITE,
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GDI,
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MAC,
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SKIA,
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CAIRO,
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COREGRAPHICS
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};
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enum class NativeSurfaceType : int8_t {
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D3D10_TEXTURE,
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CAIRO_SURFACE,
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CAIRO_CONTEXT,
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CGCONTEXT,
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CGCONTEXT_ACCELERATED,
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OPENGL_TEXTURE
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};
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enum class NativeFontType : int8_t {
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DWRITE_FONT_FACE,
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GDI_FONT_FACE,
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MAC_FONT_FACE,
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SKIA_FONT_FACE,
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CAIRO_FONT_FACE
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};
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enum class FontStyle : int8_t {
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NORMAL,
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ITALIC,
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BOLD,
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BOLD_ITALIC
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};
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enum class FontHinting : int8_t {
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NONE,
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LIGHT,
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NORMAL,
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FULL
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};
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enum class CompositionOp : int8_t {
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OP_OVER,
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OP_ADD,
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OP_ATOP,
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OP_OUT,
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OP_IN,
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OP_SOURCE,
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OP_DEST_IN,
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OP_DEST_OUT,
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OP_DEST_OVER,
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OP_DEST_ATOP,
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OP_XOR,
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OP_MULTIPLY,
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OP_SCREEN,
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OP_OVERLAY,
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OP_DARKEN,
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OP_LIGHTEN,
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OP_COLOR_DODGE,
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OP_COLOR_BURN,
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OP_HARD_LIGHT,
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OP_SOFT_LIGHT,
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OP_DIFFERENCE,
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OP_EXCLUSION,
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OP_HUE,
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OP_SATURATION,
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OP_COLOR,
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OP_LUMINOSITY,
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OP_COUNT
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};
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enum class Axis : int8_t {
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X_AXIS,
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Y_AXIS,
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BOTH
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};
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enum class ExtendMode : int8_t {
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CLAMP, // Do not repeat
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REPEAT, // Repeat in both axis
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REPEAT_X, // Only X axis
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REPEAT_Y, // Only Y axis
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REFLECT // Mirror the image
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};
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enum class FillRule : int8_t {
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FILL_WINDING,
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FILL_EVEN_ODD
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};
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enum class AntialiasMode : int8_t {
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NONE,
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GRAY,
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SUBPIXEL,
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DEFAULT
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};
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enum class Filter : int8_t {
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GOOD,
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LINEAR,
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POINT,
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SENTINEL // one past the last valid value
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};
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enum class PatternType : int8_t {
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COLOR,
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SURFACE,
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LINEAR_GRADIENT,
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RADIAL_GRADIENT
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};
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enum class JoinStyle : int8_t {
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BEVEL,
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ROUND,
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MITER, //!< Mitered if within the miter limit, else, if the backed supports
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//!< it (D2D), the miter is clamped. If the backend does not support
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//!< miter clamping the behavior is as for MITER_OR_BEVEL.
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MITER_OR_BEVEL //!< Mitered if within the miter limit, else beveled.
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};
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enum class CapStyle : int8_t {
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BUTT,
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ROUND,
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SQUARE
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};
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enum class SamplingBounds : int8_t {
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UNBOUNDED,
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BOUNDED
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};
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/* Color is stored in non-premultiplied form */
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struct Color
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{
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public:
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Color()
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: r(0.0f), g(0.0f), b(0.0f), a(0.0f)
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{}
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Color(Float aR, Float aG, Float aB, Float aA)
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: r(aR), g(aG), b(aB), a(aA)
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{}
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Color(Float aR, Float aG, Float aB)
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: r(aR), g(aG), b(aB), a(1.0f)
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{}
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static Color FromABGR(uint32_t aColor)
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{
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Color newColor(((aColor >> 0) & 0xff) * (1.0f / 255.0f),
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((aColor >> 8) & 0xff) * (1.0f / 255.0f),
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((aColor >> 16) & 0xff) * (1.0f / 255.0f),
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((aColor >> 24) & 0xff) * (1.0f / 255.0f));
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return newColor;
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}
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// The "Unusual" prefix is to avoid unintentionally using this function when
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// FromABGR(), which is much more common, is needed.
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static Color UnusualFromARGB(uint32_t aColor)
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{
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Color newColor(((aColor >> 16) & 0xff) * (1.0f / 255.0f),
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((aColor >> 8) & 0xff) * (1.0f / 255.0f),
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((aColor >> 0) & 0xff) * (1.0f / 255.0f),
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((aColor >> 24) & 0xff) * (1.0f / 255.0f));
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return newColor;
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}
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uint32_t ToABGR() const
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{
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return uint32_t(r * 255.0f) | uint32_t(g * 255.0f) << 8 |
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uint32_t(b * 255.0f) << 16 | uint32_t(a * 255.0f) << 24;
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}
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// The "Unusual" prefix is to avoid unintentionally using this function when
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// ToABGR(), which is much more common, is needed.
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uint32_t UnusualToARGB() const
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{
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return uint32_t(b * 255.0f) | uint32_t(g * 255.0f) << 8 |
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uint32_t(r * 255.0f) << 16 | uint32_t(a * 255.0f) << 24;
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}
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bool operator==(const Color& aColor) const {
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return r == aColor.r && g == aColor.g && b == aColor.b && a == aColor.a;
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}
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bool operator!=(const Color& aColor) const {
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return !(*this == aColor);
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}
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Float r, g, b, a;
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};
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struct GradientStop
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{
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bool operator<(const GradientStop& aOther) const {
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return offset < aOther.offset;
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}
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Float offset;
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Color color;
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};
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enum class JobStatus {
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Complete,
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Wait,
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Yield,
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Error
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};
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} // namespace gfx
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} // namespace mozilla
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#if defined(XP_WIN) && defined(MOZ_GFX)
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#ifdef GFX2D_INTERNAL
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#define GFX2D_API __declspec(dllexport)
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#else
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#define GFX2D_API __declspec(dllimport)
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#endif
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#else
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#define GFX2D_API
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#endif
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namespace mozilla {
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// We can't use MOZ_BEGIN_ENUM_CLASS here because that prevents the enum
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// values from being used for indexing. Wrapping the enum in a struct does at
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// least gives us name scoping.
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struct RectCorner {
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enum {
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// This order is important since Rect::AtCorner, AppendRoundedRectToPath
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// and other code depends on it!
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TopLeft = 0,
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TopRight = 1,
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BottomRight = 2,
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BottomLeft = 3,
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Count = 4
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};
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};
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// Side constants for use in various places.
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enum Side { eSideTop, eSideRight, eSideBottom, eSideLeft };
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enum SideBits {
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eSideBitsNone = 0,
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eSideBitsTop = 1 << eSideTop,
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eSideBitsRight = 1 << eSideRight,
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eSideBitsBottom = 1 << eSideBottom,
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eSideBitsLeft = 1 << eSideLeft,
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eSideBitsTopBottom = eSideBitsTop | eSideBitsBottom,
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eSideBitsLeftRight = eSideBitsLeft | eSideBitsRight,
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eSideBitsAll = eSideBitsTopBottom | eSideBitsLeftRight
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};
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} // namespace mozilla
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#define NS_SIDE_TOP mozilla::eSideTop
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#define NS_SIDE_RIGHT mozilla::eSideRight
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#define NS_SIDE_BOTTOM mozilla::eSideBottom
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#define NS_SIDE_LEFT mozilla::eSideLeft
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#endif /* MOZILLA_GFX_TYPES_H_ */
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