--- /dev/null
+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+
+/**
+ * \file SDL_pixels.h
+ *
+ * Header for the enumerated pixel format definitions.
+ */
+
+#ifndef _SDL_pixels_h
+#define _SDL_pixels_h
+
+#include "SDL_stdinc.h"
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \name Transparency definitions
+ *
+ * These define alpha as the opacity of a surface.
+ */
+/* @{ */
+#define SDL_ALPHA_OPAQUE 255
+#define SDL_ALPHA_TRANSPARENT 0
+/* @} */
+
+/** Pixel type. */
+enum
+{
+ SDL_PIXELTYPE_UNKNOWN,
+ SDL_PIXELTYPE_INDEX1,
+ SDL_PIXELTYPE_INDEX4,
+ SDL_PIXELTYPE_INDEX8,
+ SDL_PIXELTYPE_PACKED8,
+ SDL_PIXELTYPE_PACKED16,
+ SDL_PIXELTYPE_PACKED32,
+ SDL_PIXELTYPE_ARRAYU8,
+ SDL_PIXELTYPE_ARRAYU16,
+ SDL_PIXELTYPE_ARRAYU32,
+ SDL_PIXELTYPE_ARRAYF16,
+ SDL_PIXELTYPE_ARRAYF32
+};
+
+/** Bitmap pixel order, high bit -> low bit. */
+enum
+{
+ SDL_BITMAPORDER_NONE,
+ SDL_BITMAPORDER_4321,
+ SDL_BITMAPORDER_1234
+};
+
+/** Packed component order, high bit -> low bit. */
+enum
+{
+ SDL_PACKEDORDER_NONE,
+ SDL_PACKEDORDER_XRGB,
+ SDL_PACKEDORDER_RGBX,
+ SDL_PACKEDORDER_ARGB,
+ SDL_PACKEDORDER_RGBA,
+ SDL_PACKEDORDER_XBGR,
+ SDL_PACKEDORDER_BGRX,
+ SDL_PACKEDORDER_ABGR,
+ SDL_PACKEDORDER_BGRA
+};
+
+/** Array component order, low byte -> high byte. */
+enum
+{
+ SDL_ARRAYORDER_NONE,
+ SDL_ARRAYORDER_RGB,
+ SDL_ARRAYORDER_RGBA,
+ SDL_ARRAYORDER_ARGB,
+ SDL_ARRAYORDER_BGR,
+ SDL_ARRAYORDER_BGRA,
+ SDL_ARRAYORDER_ABGR
+};
+
+/** Packed component layout. */
+enum
+{
+ SDL_PACKEDLAYOUT_NONE,
+ SDL_PACKEDLAYOUT_332,
+ SDL_PACKEDLAYOUT_4444,
+ SDL_PACKEDLAYOUT_1555,
+ SDL_PACKEDLAYOUT_5551,
+ SDL_PACKEDLAYOUT_565,
+ SDL_PACKEDLAYOUT_8888,
+ SDL_PACKEDLAYOUT_2101010,
+ SDL_PACKEDLAYOUT_1010102
+};
+
+#define SDL_DEFINE_PIXELFOURCC(A, B, C, D) SDL_FOURCC(A, B, C, D)
+
+#define SDL_DEFINE_PIXELFORMAT(type, order, layout, bits, bytes) \
+ ((1 << 28) | ((type) << 24) | ((order) << 20) | ((layout) << 16) | \
+ ((bits) << 8) | ((bytes) << 0))
+
+#define SDL_PIXELFLAG(X) (((X) >> 28) & 0x0F)
+#define SDL_PIXELTYPE(X) (((X) >> 24) & 0x0F)
+#define SDL_PIXELORDER(X) (((X) >> 20) & 0x0F)
+#define SDL_PIXELLAYOUT(X) (((X) >> 16) & 0x0F)
+#define SDL_BITSPERPIXEL(X) (((X) >> 8) & 0xFF)
+#define SDL_BYTESPERPIXEL(X) \
+ (SDL_ISPIXELFORMAT_FOURCC(X) ? \
+ ((((X) == SDL_PIXELFORMAT_YUY2) || \
+ ((X) == SDL_PIXELFORMAT_UYVY) || \
+ ((X) == SDL_PIXELFORMAT_YVYU)) ? 2 : 1) : (((X) >> 0) & 0xFF))
+
+#define SDL_ISPIXELFORMAT_INDEXED(format) \
+ (!SDL_ISPIXELFORMAT_FOURCC(format) && \
+ ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX1) || \
+ (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX4) || \
+ (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX8)))
+
+#define SDL_ISPIXELFORMAT_ALPHA(format) \
+ (!SDL_ISPIXELFORMAT_FOURCC(format) && \
+ ((SDL_PIXELORDER(format) == SDL_PACKEDORDER_ARGB) || \
+ (SDL_PIXELORDER(format) == SDL_PACKEDORDER_RGBA) || \
+ (SDL_PIXELORDER(format) == SDL_PACKEDORDER_ABGR) || \
+ (SDL_PIXELORDER(format) == SDL_PACKEDORDER_BGRA)))
+
+/* The flag is set to 1 because 0x1? is not in the printable ASCII range */
+#define SDL_ISPIXELFORMAT_FOURCC(format) \
+ ((format) && (SDL_PIXELFLAG(format) != 1))
+
+/* Note: If you modify this list, update SDL_GetPixelFormatName() */
+enum
+{
+ SDL_PIXELFORMAT_UNKNOWN,
+ SDL_PIXELFORMAT_INDEX1LSB =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX1, SDL_BITMAPORDER_4321, 0,
+ 1, 0),
+ SDL_PIXELFORMAT_INDEX1MSB =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX1, SDL_BITMAPORDER_1234, 0,
+ 1, 0),
+ SDL_PIXELFORMAT_INDEX4LSB =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX4, SDL_BITMAPORDER_4321, 0,
+ 4, 0),
+ SDL_PIXELFORMAT_INDEX4MSB =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX4, SDL_BITMAPORDER_1234, 0,
+ 4, 0),
+ SDL_PIXELFORMAT_INDEX8 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX8, 0, 0, 8, 1),
+ SDL_PIXELFORMAT_RGB332 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED8, SDL_PACKEDORDER_XRGB,
+ SDL_PACKEDLAYOUT_332, 8, 1),
+ SDL_PIXELFORMAT_RGB444 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XRGB,
+ SDL_PACKEDLAYOUT_4444, 12, 2),
+ SDL_PIXELFORMAT_RGB555 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XRGB,
+ SDL_PACKEDLAYOUT_1555, 15, 2),
+ SDL_PIXELFORMAT_BGR555 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XBGR,
+ SDL_PACKEDLAYOUT_1555, 15, 2),
+ SDL_PIXELFORMAT_ARGB4444 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_ARGB,
+ SDL_PACKEDLAYOUT_4444, 16, 2),
+ SDL_PIXELFORMAT_RGBA4444 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_RGBA,
+ SDL_PACKEDLAYOUT_4444, 16, 2),
+ SDL_PIXELFORMAT_ABGR4444 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_ABGR,
+ SDL_PACKEDLAYOUT_4444, 16, 2),
+ SDL_PIXELFORMAT_BGRA4444 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_BGRA,
+ SDL_PACKEDLAYOUT_4444, 16, 2),
+ SDL_PIXELFORMAT_ARGB1555 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_ARGB,
+ SDL_PACKEDLAYOUT_1555, 16, 2),
+ SDL_PIXELFORMAT_RGBA5551 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_RGBA,
+ SDL_PACKEDLAYOUT_5551, 16, 2),
+ SDL_PIXELFORMAT_ABGR1555 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_ABGR,
+ SDL_PACKEDLAYOUT_1555, 16, 2),
+ SDL_PIXELFORMAT_BGRA5551 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_BGRA,
+ SDL_PACKEDLAYOUT_5551, 16, 2),
+ SDL_PIXELFORMAT_RGB565 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XRGB,
+ SDL_PACKEDLAYOUT_565, 16, 2),
+ SDL_PIXELFORMAT_BGR565 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XBGR,
+ SDL_PACKEDLAYOUT_565, 16, 2),
+ SDL_PIXELFORMAT_RGB24 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_ARRAYU8, SDL_ARRAYORDER_RGB, 0,
+ 24, 3),
+ SDL_PIXELFORMAT_BGR24 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_ARRAYU8, SDL_ARRAYORDER_BGR, 0,
+ 24, 3),
+ SDL_PIXELFORMAT_RGB888 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_XRGB,
+ SDL_PACKEDLAYOUT_8888, 24, 4),
+ SDL_PIXELFORMAT_RGBX8888 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_RGBX,
+ SDL_PACKEDLAYOUT_8888, 24, 4),
+ SDL_PIXELFORMAT_BGR888 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_XBGR,
+ SDL_PACKEDLAYOUT_8888, 24, 4),
+ SDL_PIXELFORMAT_BGRX8888 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_BGRX,
+ SDL_PACKEDLAYOUT_8888, 24, 4),
+ SDL_PIXELFORMAT_ARGB8888 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_ARGB,
+ SDL_PACKEDLAYOUT_8888, 32, 4),
+ SDL_PIXELFORMAT_RGBA8888 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_RGBA,
+ SDL_PACKEDLAYOUT_8888, 32, 4),
+ SDL_PIXELFORMAT_ABGR8888 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_ABGR,
+ SDL_PACKEDLAYOUT_8888, 32, 4),
+ SDL_PIXELFORMAT_BGRA8888 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_BGRA,
+ SDL_PACKEDLAYOUT_8888, 32, 4),
+ SDL_PIXELFORMAT_ARGB2101010 =
+ SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_ARGB,
+ SDL_PACKEDLAYOUT_2101010, 32, 4),
+
+ SDL_PIXELFORMAT_YV12 = /**< Planar mode: Y + V + U (3 planes) */
+ SDL_DEFINE_PIXELFOURCC('Y', 'V', '1', '2'),
+ SDL_PIXELFORMAT_IYUV = /**< Planar mode: Y + U + V (3 planes) */
+ SDL_DEFINE_PIXELFOURCC('I', 'Y', 'U', 'V'),
+ SDL_PIXELFORMAT_YUY2 = /**< Packed mode: Y0+U0+Y1+V0 (1 plane) */
+ SDL_DEFINE_PIXELFOURCC('Y', 'U', 'Y', '2'),
+ SDL_PIXELFORMAT_UYVY = /**< Packed mode: U0+Y0+V0+Y1 (1 plane) */
+ SDL_DEFINE_PIXELFOURCC('U', 'Y', 'V', 'Y'),
+ SDL_PIXELFORMAT_YVYU = /**< Packed mode: Y0+V0+Y1+U0 (1 plane) */
+ SDL_DEFINE_PIXELFOURCC('Y', 'V', 'Y', 'U')
+};
+
+typedef struct SDL_Color
+{
+ Uint8 r;
+ Uint8 g;
+ Uint8 b;
+ Uint8 a;
+} SDL_Color;
+#define SDL_Colour SDL_Color
+
+typedef struct SDL_Palette
+{
+ int ncolors;
+ SDL_Color *colors;
+ Uint32 version;
+ int refcount;
+} SDL_Palette;
+
+/**
+ * \note Everything in the pixel format structure is read-only.
+ */
+typedef struct SDL_PixelFormat
+{
+ Uint32 format;
+ SDL_Palette *palette;
+ Uint8 BitsPerPixel;
+ Uint8 BytesPerPixel;
+ Uint8 padding[2];
+ Uint32 Rmask;
+ Uint32 Gmask;
+ Uint32 Bmask;
+ Uint32 Amask;
+ Uint8 Rloss;
+ Uint8 Gloss;
+ Uint8 Bloss;
+ Uint8 Aloss;
+ Uint8 Rshift;
+ Uint8 Gshift;
+ Uint8 Bshift;
+ Uint8 Ashift;
+ int refcount;
+ struct SDL_PixelFormat *next;
+} SDL_PixelFormat;
+
+/**
+ * \brief Get the human readable name of a pixel format
+ */
+extern DECLSPEC const char* SDLCALL SDL_GetPixelFormatName(Uint32 format);
+
+/**
+ * \brief Convert one of the enumerated pixel formats to a bpp and RGBA masks.
+ *
+ * \return SDL_TRUE, or SDL_FALSE if the conversion wasn't possible.
+ *
+ * \sa SDL_MasksToPixelFormatEnum()
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_PixelFormatEnumToMasks(Uint32 format,
+ int *bpp,
+ Uint32 * Rmask,
+ Uint32 * Gmask,
+ Uint32 * Bmask,
+ Uint32 * Amask);
+
+/**
+ * \brief Convert a bpp and RGBA masks to an enumerated pixel format.
+ *
+ * \return The pixel format, or ::SDL_PIXELFORMAT_UNKNOWN if the conversion
+ * wasn't possible.
+ *
+ * \sa SDL_PixelFormatEnumToMasks()
+ */
+extern DECLSPEC Uint32 SDLCALL SDL_MasksToPixelFormatEnum(int bpp,
+ Uint32 Rmask,
+ Uint32 Gmask,
+ Uint32 Bmask,
+ Uint32 Amask);
+
+/**
+ * \brief Create an SDL_PixelFormat structure from a pixel format enum.
+ */
+extern DECLSPEC SDL_PixelFormat * SDLCALL SDL_AllocFormat(Uint32 pixel_format);
+
+/**
+ * \brief Free an SDL_PixelFormat structure.
+ */
+extern DECLSPEC void SDLCALL SDL_FreeFormat(SDL_PixelFormat *format);
+
+/**
+ * \brief Create a palette structure with the specified number of color
+ * entries.
+ *
+ * \return A new palette, or NULL if there wasn't enough memory.
+ *
+ * \note The palette entries are initialized to white.
+ *
+ * \sa SDL_FreePalette()
+ */
+extern DECLSPEC SDL_Palette *SDLCALL SDL_AllocPalette(int ncolors);
+
+/**
+ * \brief Set the palette for a pixel format structure.
+ */
+extern DECLSPEC int SDLCALL SDL_SetPixelFormatPalette(SDL_PixelFormat * format,
+ SDL_Palette *palette);
+
+/**
+ * \brief Set a range of colors in a palette.
+ *
+ * \param palette The palette to modify.
+ * \param colors An array of colors to copy into the palette.
+ * \param firstcolor The index of the first palette entry to modify.
+ * \param ncolors The number of entries to modify.
+ *
+ * \return 0 on success, or -1 if not all of the colors could be set.
+ */
+extern DECLSPEC int SDLCALL SDL_SetPaletteColors(SDL_Palette * palette,
+ const SDL_Color * colors,
+ int firstcolor, int ncolors);
+
+/**
+ * \brief Free a palette created with SDL_AllocPalette().
+ *
+ * \sa SDL_AllocPalette()
+ */
+extern DECLSPEC void SDLCALL SDL_FreePalette(SDL_Palette * palette);
+
+/**
+ * \brief Maps an RGB triple to an opaque pixel value for a given pixel format.
+ *
+ * \sa SDL_MapRGBA
+ */
+extern DECLSPEC Uint32 SDLCALL SDL_MapRGB(const SDL_PixelFormat * format,
+ Uint8 r, Uint8 g, Uint8 b);
+
+/**
+ * \brief Maps an RGBA quadruple to a pixel value for a given pixel format.
+ *
+ * \sa SDL_MapRGB
+ */
+extern DECLSPEC Uint32 SDLCALL SDL_MapRGBA(const SDL_PixelFormat * format,
+ Uint8 r, Uint8 g, Uint8 b,
+ Uint8 a);
+
+/**
+ * \brief Get the RGB components from a pixel of the specified format.
+ *
+ * \sa SDL_GetRGBA
+ */
+extern DECLSPEC void SDLCALL SDL_GetRGB(Uint32 pixel,
+ const SDL_PixelFormat * format,
+ Uint8 * r, Uint8 * g, Uint8 * b);
+
+/**
+ * \brief Get the RGBA components from a pixel of the specified format.
+ *
+ * \sa SDL_GetRGB
+ */
+extern DECLSPEC void SDLCALL SDL_GetRGBA(Uint32 pixel,
+ const SDL_PixelFormat * format,
+ Uint8 * r, Uint8 * g, Uint8 * b,
+ Uint8 * a);
+
+/**
+ * \brief Calculate a 256 entry gamma ramp for a gamma value.
+ */
+extern DECLSPEC void SDLCALL SDL_CalculateGammaRamp(float gamma, Uint16 * ramp);
+
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include "close_code.h"
+
+#endif /* _SDL_pixels_h */
+
+/* vi: set ts=4 sw=4 expandtab: */
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