Mercurial > sdl-ios-xcode
diff touchTest/Iphone Test/touchTestIPhone2/touchTestIPhone/include/SDL_pixels.h @ 4677:31607094315c
Added Iphone project. Iphone multi-touch is now functional.
author | jimtla |
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date | Sat, 31 Jul 2010 01:24:50 +0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/touchTest/Iphone Test/touchTestIPhone2/touchTestIPhone/include/SDL_pixels.h Sat Jul 31 01:24:50 2010 +0400 @@ -0,0 +1,398 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2010 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ + +/** + * \file SDL_pixels.h + * + * Header for the enumerated pixel format definitions. + */ + +#ifndef _SDL_pixels_h +#define _SDL_pixels_h + +#include "begin_code.h" +/* Set up for C function definitions, even when using C++ */ +#ifdef __cplusplus +/* *INDENT-OFF* */ +extern "C" { +/* *INDENT-ON* */ +#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 << 31) | ((type) << 24) | ((order) << 20) | ((layout) << 16) | \ + ((bits) << 8) | ((bytes) << 0)) + +#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) (((X) >> 0) & 0xFF) + +#define SDL_ISPIXELFORMAT_INDEXED(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_PIXELORDER(format) == SDL_PACKEDORDER_ARGB) || \ + (SDL_PIXELORDER(format) == SDL_PACKEDORDER_RGBA) || \ + (SDL_PIXELORDER(format) == SDL_PACKEDORDER_ABGR) || \ + (SDL_PIXELORDER(format) == SDL_PACKEDORDER_BGRA)) + +#define SDL_ISPIXELFORMAT_FOURCC(format) \ + ((format) && !((format) & 0x80000000)) + +enum +{ + SDL_PIXELFORMAT_UNKNOWN, + SDL_PIXELFORMAT_INDEX1LSB = + SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX1, SDL_BITMAPORDER_1234, 0, + 1, 0), + SDL_PIXELFORMAT_INDEX1MSB = + SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX1, SDL_BITMAPORDER_4321, 0, + 1, 0), + SDL_PIXELFORMAT_INDEX4LSB = + SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX4, SDL_BITMAPORDER_1234, 0, + 4, 0), + SDL_PIXELFORMAT_INDEX4MSB = + SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX4, SDL_BITMAPORDER_4321, 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_ABGR4444 = + SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_ABGR, + SDL_PACKEDLAYOUT_4444, 16, 2), + SDL_PIXELFORMAT_ARGB1555 = + SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_ARGB, + SDL_PACKEDLAYOUT_1555, 16, 2), + SDL_PIXELFORMAT_ABGR1555 = + SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_ABGR, + SDL_PACKEDLAYOUT_1555, 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_BGR888 = + SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_XBGR, + 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 unused; +} SDL_Color; +#define SDL_Colour SDL_Color + +typedef struct SDL_Palette SDL_Palette; +typedef int (*SDL_PaletteChangedFunc) (void *userdata, SDL_Palette * palette); +typedef struct SDL_PaletteWatch SDL_PaletteWatch; + +struct SDL_Palette +{ + int ncolors; + SDL_Color *colors; + + int refcount; + SDL_PaletteWatch *watch; +}; + +/** + * \note Everything in the pixel format structure is read-only. + */ +typedef struct SDL_PixelFormat +{ + SDL_Palette *palette; + Uint8 BitsPerPixel; + Uint8 BytesPerPixel; + Uint8 Rloss; + Uint8 Gloss; + Uint8 Bloss; + Uint8 Aloss; + Uint8 Rshift; + Uint8 Gshift; + Uint8 Bshift; + Uint8 Ashift; + Uint32 Rmask; + Uint32 Gmask; + Uint32 Bmask; + Uint32 Amask; +} SDL_PixelFormat; + +/** + * \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 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 Add a callback function which is called when the palette changes. + * + * \sa SDL_DelPaletteWatch() + */ +extern DECLSPEC int SDLCALL SDL_AddPaletteWatch(SDL_Palette * palette, + SDL_PaletteChangedFunc + callback, void *userdata); + +/** + * \brief Remove a callback function previously added with + * SDL_AddPaletteWatch(). + * + * \sa SDL_AddPaletteWatch() + */ +extern DECLSPEC void SDLCALL SDL_DelPaletteWatch(SDL_Palette * palette, + SDL_PaletteChangedFunc + callback, void *userdata); + +/** + * \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); + +/* Ends C function definitions when using C++ */ +#ifdef __cplusplus +/* *INDENT-OFF* */ +} +/* *INDENT-ON* */ +#endif +#include "close_code.h" + +#endif /* _SDL_pixels_h */ + +/* vi: set ts=4 sw=4 expandtab: */