From 375c120d30456738897c4bd775e38aa1db7d239c Mon Sep 17 00:00:00 2001 From: Fox Caminiti Date: Thu, 22 Dec 2022 13:29:02 -0500 Subject: v3.1 --- dependencies/SDL/SDL_pixels.h | 644 ------------------------------------------ 1 file changed, 644 deletions(-) delete mode 100644 dependencies/SDL/SDL_pixels.h (limited to 'dependencies/SDL/SDL_pixels.h') diff --git a/dependencies/SDL/SDL_pixels.h b/dependencies/SDL/SDL_pixels.h deleted file mode 100644 index 5d2c0c8..0000000 --- a/dependencies/SDL/SDL_pixels.h +++ /dev/null @@ -1,644 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2022 Sam Lantinga - - 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 "SDL_endian.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. */ -typedef 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 -} SDL_PixelType; - -/** Bitmap pixel order, high bit -> low bit. */ -typedef enum -{ - SDL_BITMAPORDER_NONE, - SDL_BITMAPORDER_4321, - SDL_BITMAPORDER_1234 -} SDL_BitmapOrder; - -/** Packed component order, high bit -> low bit. */ -typedef 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 -} SDL_PackedOrder; - -/** Array component order, low byte -> high byte. */ -/* !!! FIXME: in 2.1, make these not overlap differently with - !!! FIXME: SDL_PACKEDORDER_*, so we can simplify SDL_ISPIXELFORMAT_ALPHA */ -typedef enum -{ - SDL_ARRAYORDER_NONE, - SDL_ARRAYORDER_RGB, - SDL_ARRAYORDER_RGBA, - SDL_ARRAYORDER_ARGB, - SDL_ARRAYORDER_BGR, - SDL_ARRAYORDER_BGRA, - SDL_ARRAYORDER_ABGR -} SDL_ArrayOrder; - -/** Packed component layout. */ -typedef 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 -} SDL_PackedLayout; - -#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_PACKED(format) \ - (!SDL_ISPIXELFORMAT_FOURCC(format) && \ - ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_PACKED8) || \ - (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_PACKED16) || \ - (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_PACKED32))) - -#define SDL_ISPIXELFORMAT_ARRAY(format) \ - (!SDL_ISPIXELFORMAT_FOURCC(format) && \ - ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYU8) || \ - (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYU16) || \ - (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYU32) || \ - (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYF16) || \ - (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYF32))) - -#define SDL_ISPIXELFORMAT_ALPHA(format) \ - ((SDL_ISPIXELFORMAT_PACKED(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))) || \ - (SDL_ISPIXELFORMAT_ARRAY(format) && \ - ((SDL_PIXELORDER(format) == SDL_ARRAYORDER_ARGB) || \ - (SDL_PIXELORDER(format) == SDL_ARRAYORDER_RGBA) || \ - (SDL_PIXELORDER(format) == SDL_ARRAYORDER_ABGR) || \ - (SDL_PIXELORDER(format) == SDL_ARRAYORDER_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() */ -typedef 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_XRGB4444 = - SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XRGB, - SDL_PACKEDLAYOUT_4444, 12, 2), - SDL_PIXELFORMAT_RGB444 = SDL_PIXELFORMAT_XRGB4444, - SDL_PIXELFORMAT_XBGR4444 = - SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XBGR, - SDL_PACKEDLAYOUT_4444, 12, 2), - SDL_PIXELFORMAT_BGR444 = SDL_PIXELFORMAT_XBGR4444, - SDL_PIXELFORMAT_XRGB1555 = - SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XRGB, - SDL_PACKEDLAYOUT_1555, 15, 2), - SDL_PIXELFORMAT_RGB555 = SDL_PIXELFORMAT_XRGB1555, - SDL_PIXELFORMAT_XBGR1555 = - SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XBGR, - SDL_PACKEDLAYOUT_1555, 15, 2), - SDL_PIXELFORMAT_BGR555 = SDL_PIXELFORMAT_XBGR1555, - 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_XRGB8888 = - SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_XRGB, - SDL_PACKEDLAYOUT_8888, 24, 4), - SDL_PIXELFORMAT_RGB888 = SDL_PIXELFORMAT_XRGB8888, - SDL_PIXELFORMAT_RGBX8888 = - SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_RGBX, - SDL_PACKEDLAYOUT_8888, 24, 4), - SDL_PIXELFORMAT_XBGR8888 = - SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_XBGR, - SDL_PACKEDLAYOUT_8888, 24, 4), - SDL_PIXELFORMAT_BGR888 = SDL_PIXELFORMAT_XBGR8888, - 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), - - /* Aliases for RGBA byte arrays of color data, for the current platform */ -#if SDL_BYTEORDER == SDL_BIG_ENDIAN - SDL_PIXELFORMAT_RGBA32 = SDL_PIXELFORMAT_RGBA8888, - SDL_PIXELFORMAT_ARGB32 = SDL_PIXELFORMAT_ARGB8888, - SDL_PIXELFORMAT_BGRA32 = SDL_PIXELFORMAT_BGRA8888, - SDL_PIXELFORMAT_ABGR32 = SDL_PIXELFORMAT_ABGR8888, -#else - SDL_PIXELFORMAT_RGBA32 = SDL_PIXELFORMAT_ABGR8888, - SDL_PIXELFORMAT_ARGB32 = SDL_PIXELFORMAT_BGRA8888, - SDL_PIXELFORMAT_BGRA32 = SDL_PIXELFORMAT_ARGB8888, - SDL_PIXELFORMAT_ABGR32 = SDL_PIXELFORMAT_RGBA8888, -#endif - - 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'), - SDL_PIXELFORMAT_NV12 = /**< Planar mode: Y + U/V interleaved (2 planes) */ - SDL_DEFINE_PIXELFOURCC('N', 'V', '1', '2'), - SDL_PIXELFORMAT_NV21 = /**< Planar mode: Y + V/U interleaved (2 planes) */ - SDL_DEFINE_PIXELFOURCC('N', 'V', '2', '1'), - SDL_PIXELFORMAT_EXTERNAL_OES = /**< Android video texture format */ - SDL_DEFINE_PIXELFOURCC('O', 'E', 'S', ' ') -} SDL_PixelFormatEnum; - -/** - * The bits of this structure can be directly reinterpreted as an integer-packed - * color which uses the SDL_PIXELFORMAT_RGBA32 format (SDL_PIXELFORMAT_ABGR8888 - * on little-endian systems and SDL_PIXELFORMAT_RGBA8888 on big-endian systems). - */ -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; - -/** - * Get the human readable name of a pixel format. - * - * \param format the pixel format to query - * \returns the human readable name of the specified pixel format or - * `SDL_PIXELFORMAT_UNKNOWN` if the format isn't recognized. - * - * \since This function is available since SDL 2.0.0. - */ -extern DECLSPEC const char* SDLCALL SDL_GetPixelFormatName(Uint32 format); - -/** - * Convert one of the enumerated pixel formats to a bpp value and RGBA masks. - * - * \param format one of the SDL_PixelFormatEnum values - * \param bpp a bits per pixel value; usually 15, 16, or 32 - * \param Rmask a pointer filled in with the red mask for the format - * \param Gmask a pointer filled in with the green mask for the format - * \param Bmask a pointer filled in with the blue mask for the format - * \param Amask a pointer filled in with the alpha mask for the format - * \returns SDL_TRUE on success or SDL_FALSE if the conversion wasn't - * possible; call SDL_GetError() for more information. - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_MasksToPixelFormatEnum - */ -extern DECLSPEC SDL_bool SDLCALL SDL_PixelFormatEnumToMasks(Uint32 format, - int *bpp, - Uint32 * Rmask, - Uint32 * Gmask, - Uint32 * Bmask, - Uint32 * Amask); - -/** - * Convert a bpp value and RGBA masks to an enumerated pixel format. - * - * This will return `SDL_PIXELFORMAT_UNKNOWN` if the conversion wasn't - * possible. - * - * \param bpp a bits per pixel value; usually 15, 16, or 32 - * \param Rmask the red mask for the format - * \param Gmask the green mask for the format - * \param Bmask the blue mask for the format - * \param Amask the alpha mask for the format - * \returns one of the SDL_PixelFormatEnum values - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_PixelFormatEnumToMasks - */ -extern DECLSPEC Uint32 SDLCALL SDL_MasksToPixelFormatEnum(int bpp, - Uint32 Rmask, - Uint32 Gmask, - Uint32 Bmask, - Uint32 Amask); - -/** - * Create an SDL_PixelFormat structure corresponding to a pixel format. - * - * Returned structure may come from a shared global cache (i.e. not newly - * allocated), and hence should not be modified, especially the palette. Weird - * errors such as `Blit combination not supported` may occur. - * - * \param pixel_format one of the SDL_PixelFormatEnum values - * \returns the new SDL_PixelFormat structure or NULL on failure; call - * SDL_GetError() for more information. - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_FreeFormat - */ -extern DECLSPEC SDL_PixelFormat * SDLCALL SDL_AllocFormat(Uint32 pixel_format); - -/** - * Free an SDL_PixelFormat structure allocated by SDL_AllocFormat(). - * - * \param format the SDL_PixelFormat structure to free - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_AllocFormat - */ -extern DECLSPEC void SDLCALL SDL_FreeFormat(SDL_PixelFormat *format); - -/** - * Create a palette structure with the specified number of color entries. - * - * The palette entries are initialized to white. - * - * \param ncolors represents the number of color entries in the color palette - * \returns a new SDL_Palette structure on success or NULL on failure (e.g. if - * there wasn't enough memory); call SDL_GetError() for more - * information. - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_FreePalette - */ -extern DECLSPEC SDL_Palette *SDLCALL SDL_AllocPalette(int ncolors); - -/** - * Set the palette for a pixel format structure. - * - * \param format the SDL_PixelFormat structure that will use the palette - * \param palette the SDL_Palette structure that will be used - * \returns 0 on success or a negative error code on failure; call - * SDL_GetError() for more information. - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_AllocPalette - * \sa SDL_FreePalette - */ -extern DECLSPEC int SDLCALL SDL_SetPixelFormatPalette(SDL_PixelFormat * format, - SDL_Palette *palette); - -/** - * Set a range of colors in a palette. - * - * \param palette the SDL_Palette structure to modify - * \param colors an array of SDL_Color structures to copy into the palette - * \param firstcolor the index of the first palette entry to modify - * \param ncolors the number of entries to modify - * \returns 0 on success or a negative error code if not all of the colors - * could be set; call SDL_GetError() for more information. - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_AllocPalette - * \sa SDL_CreateRGBSurface - */ -extern DECLSPEC int SDLCALL SDL_SetPaletteColors(SDL_Palette * palette, - const SDL_Color * colors, - int firstcolor, int ncolors); - -/** - * Free a palette created with SDL_AllocPalette(). - * - * \param palette the SDL_Palette structure to be freed - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_AllocPalette - */ -extern DECLSPEC void SDLCALL SDL_FreePalette(SDL_Palette * palette); - -/** - * Map an RGB triple to an opaque pixel value for a given pixel format. - * - * This function maps the RGB color value to the specified pixel format and - * returns the pixel value best approximating the given RGB color value for - * the given pixel format. - * - * If the format has a palette (8-bit) the index of the closest matching color - * in the palette will be returned. - * - * If the specified pixel format has an alpha component it will be returned as - * all 1 bits (fully opaque). - * - * If the pixel format bpp (color depth) is less than 32-bpp then the unused - * upper bits of the return value can safely be ignored (e.g., with a 16-bpp - * format the return value can be assigned to a Uint16, and similarly a Uint8 - * for an 8-bpp format). - * - * \param format an SDL_PixelFormat structure describing the pixel format - * \param r the red component of the pixel in the range 0-255 - * \param g the green component of the pixel in the range 0-255 - * \param b the blue component of the pixel in the range 0-255 - * \returns a pixel value - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_GetRGB - * \sa SDL_GetRGBA - * \sa SDL_MapRGBA - */ -extern DECLSPEC Uint32 SDLCALL SDL_MapRGB(const SDL_PixelFormat * format, - Uint8 r, Uint8 g, Uint8 b); - -/** - * Map an RGBA quadruple to a pixel value for a given pixel format. - * - * This function maps the RGBA color value to the specified pixel format and - * returns the pixel value best approximating the given RGBA color value for - * the given pixel format. - * - * If the specified pixel format has no alpha component the alpha value will - * be ignored (as it will be in formats with a palette). - * - * If the format has a palette (8-bit) the index of the closest matching color - * in the palette will be returned. - * - * If the pixel format bpp (color depth) is less than 32-bpp then the unused - * upper bits of the return value can safely be ignored (e.g., with a 16-bpp - * format the return value can be assigned to a Uint16, and similarly a Uint8 - * for an 8-bpp format). - * - * \param format an SDL_PixelFormat structure describing the format of the - * pixel - * \param r the red component of the pixel in the range 0-255 - * \param g the green component of the pixel in the range 0-255 - * \param b the blue component of the pixel in the range 0-255 - * \param a the alpha component of the pixel in the range 0-255 - * \returns a pixel value - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_GetRGB - * \sa SDL_GetRGBA - * \sa SDL_MapRGB - */ -extern DECLSPEC Uint32 SDLCALL SDL_MapRGBA(const SDL_PixelFormat * format, - Uint8 r, Uint8 g, Uint8 b, - Uint8 a); - -/** - * Get RGB values from a pixel in the specified format. - * - * This function uses the entire 8-bit [0..255] range when converting color - * components from pixel formats with less than 8-bits per RGB component - * (e.g., a completely white pixel in 16-bit RGB565 format would return [0xff, - * 0xff, 0xff] not [0xf8, 0xfc, 0xf8]). - * - * \param pixel a pixel value - * \param format an SDL_PixelFormat structure describing the format of the - * pixel - * \param r a pointer filled in with the red component - * \param g a pointer filled in with the green component - * \param b a pointer filled in with the blue component - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_GetRGBA - * \sa SDL_MapRGB - * \sa SDL_MapRGBA - */ -extern DECLSPEC void SDLCALL SDL_GetRGB(Uint32 pixel, - const SDL_PixelFormat * format, - Uint8 * r, Uint8 * g, Uint8 * b); - -/** - * Get RGBA values from a pixel in the specified format. - * - * This function uses the entire 8-bit [0..255] range when converting color - * components from pixel formats with less than 8-bits per RGB component - * (e.g., a completely white pixel in 16-bit RGB565 format would return [0xff, - * 0xff, 0xff] not [0xf8, 0xfc, 0xf8]). - * - * If the surface has no alpha component, the alpha will be returned as 0xff - * (100% opaque). - * - * \param pixel a pixel value - * \param format an SDL_PixelFormat structure describing the format of the - * pixel - * \param r a pointer filled in with the red component - * \param g a pointer filled in with the green component - * \param b a pointer filled in with the blue component - * \param a a pointer filled in with the alpha component - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_GetRGB - * \sa SDL_MapRGB - * \sa SDL_MapRGBA - */ -extern DECLSPEC void SDLCALL SDL_GetRGBA(Uint32 pixel, - const SDL_PixelFormat * format, - Uint8 * r, Uint8 * g, Uint8 * b, - Uint8 * a); - -/** - * Calculate a 256 entry gamma ramp for a gamma value. - * - * \param gamma a gamma value where 0.0 is black and 1.0 is identity - * \param ramp an array of 256 values filled in with the gamma ramp - * - * \since This function is available since SDL 2.0.0. - * - * \sa SDL_SetWindowGammaRamp - */ -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: */ -- cgit v1.2.3