--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/include/SDL_pixels.h Sun May 28 13:04:16 2006 +0000
@@ -0,0 +1,240 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2006 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
+
+enum
+{ /* Pixel type */
+ 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,
+};
+
+enum
+{ /* bitmap pixel order, high bit -> low bit */
+ SDL_BitmapOrder_None,
+ SDL_BitmapOrder_4321,
+ SDL_BitmapOrder_1234,
+};
+enum
+{ /* packed component order, high bit -> low bit */
+ 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,
+};
+enum
+{ /* array component order, low byte -> high byte */
+ SDL_ArrayOrder_None,
+ SDL_ArrayOrder_RGB,
+ SDL_ArrayOrder_RGBA,
+ SDL_ArrayOrder_ARGB,
+ SDL_ArrayOrder_BGR,
+ SDL_ArrayOrder_BGRA,
+ SDL_ArrayOrder_ABGR,
+};
+
+enum
+{ /* Packed component layout */
+ 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_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)
+
+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,
+ 2, 0),
+ SDL_PixelFormat_Index4MSB =
+ SDL_DEFINE_PIXELFORMAT (SDL_PixelType_Index4, SDL_BitmapOrder_4321, 0,
+ 2, 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_ARGB4444 =
+ SDL_DEFINE_PIXELFORMAT (SDL_PixelType_Packed16, SDL_PackedOrder_ARGB,
+ SDL_PackedLayout_4444, 16, 2),
+ SDL_PixelFormat_ARGB1555 =
+ SDL_DEFINE_PIXELFORMAT (SDL_PixelType_Packed16, SDL_PackedOrder_ARGB,
+ SDL_PackedLayout_1555, 16, 2),
+ SDL_PixelFormat_RGB565 =
+ SDL_DEFINE_PIXELFORMAT (SDL_PixelType_Packed16, SDL_PackedOrder_XRGB,
+ 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),
+};
+
+typedef struct SDL_Color
+{
+ Uint8 r;
+ Uint8 g;
+ Uint8 b;
+ Uint8 unused;
+} SDL_Color;
+#define SDL_Colour SDL_Color
+
+typedef struct SDL_Palette
+{
+ int ncolors;
+ SDL_Color *colors;
+} SDL_Palette;
+
+/* 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;
+
+ /* RGB color key information */
+ Uint32 colorkey;
+ /* Alpha value information (per-surface alpha) */
+ Uint8 alpha;
+} SDL_PixelFormat;
+
+/*
+ * Convert one of the enumerated formats above to a bpp and RGBA masks.
+ * Returns SDL_TRUE, or SDL_FALSE if the conversion wasn't possible.
+ */
+extern DECLSPEC SDL_bool SDL_PixelFormatEnumToMasks (Uint32 format, int *bpp,
+ Uint32 * Rmask,
+ Uint32 * Gmask,
+ Uint32 * Bmask,
+ Uint32 * Amask);
+
+/*
+ * Convert a bpp and RGBA masks to one of the enumerated formats above.
+ * Returns SDL_PixelFormat_Unknown if the conversion wasn't possible.
+ */
+extern DECLSPEC Uint32 SDL_MasksToPixelFormatEnum (int bpp, Uint32 Rmask,
+ Uint32 Gmask, Uint32 Bmask,
+ Uint32 Amask);
+
+/* 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: */