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/*
FreeRDP: A Remote Desktop Protocol client.
GDI Color Conversion Routines
Copyright 2010 Marc-Andre Moreau <marcandre.moreau@gmail.com>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef __COLOR_H
#define __COLOR_H
#include <freerdp/freerdp.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Color Space Conversions: http://msdn.microsoft.com/en-us/library/ff566496/ */
/* Color Space Conversion */
#define RGB_555_565(_r, _g, _b) \
_r = _r; \
_g = (_g << 1 & ~0x1) | (_g >> 4); \
_b = _b;
#define RGB_565_555(_r, _g, _b) \
_r = _r; \
_g = (_g >> 1); \
_b = _b;
#define RGB_555_888(_r, _g, _b) \
_r = (_r << 3 & ~0x7) | (_r >> 2); \
_g = (_g << 3 & ~0x7) | (_g >> 2); \
_b = (_b << 3 & ~0x7) | (_b >> 2);
#define RGB_565_888(_r, _g, _b) \
_r = (_r << 3 & ~0x7) | (_r >> 2); \
_g = (_g << 2 & ~0x3) | (_g >> 4); \
_b = (_b << 3 & ~0x7) | (_b >> 2);
#define RGB_888_565(_r, _g, _b) \
_r = (_r >> 3); \
_g = (_g >> 2); \
_b = (_b >> 3);
#define RGB_888_555(_r, _g, _b) \
_r = (_r >> 3); \
_g = (_g >> 3); \
_b = (_b >> 3);
/* RGB 15 (RGB_555) */
#define RGB555(_r, _g, _b) \
((_r & 0x1F) << 10) | ((_g & 0x1F) << 5) | (_b & 0x1F);
#define RGB15(_r, _g, _b) \
(((_r >> 3) & 0x1F) << 10) | (((_g >> 3) & 0x1F) << 5) | ((_b >> 3) & 0x1F);
#define GetRGB_555(_r, _g, _b, _p) \
_r = (_p & 0x7C00) >> 10; \
_g = (_p & 0x3E0) >> 5; \
_b = (_p & 0x1F);
#define GetRGB15(_r, _g, _b, _p) \
GetRGB_555(_r, _g, _b, _p); \
RGB_555_888(_r, _g, _b);
/* BGR 15 (BGR_555) */
#define BGR555(_r, _g, _b) \
((_b & 0x1F) << 10) | ((_g & 0x1F) << 5) | (_r & 0x1F);
#define BGR15(_r, _g, _b) \
(((_b >> 3) & 0x1F) << 10) | (((_g >> 3) & 0x1F) << 5) | ((_r >> 3) & 0x1F);
#define GetBGR_555(_r, _g, _b, _p) \
_b = (_p & 0x7C00) >> 10; \
_g = (_p & 0x3E0) >> 5; \
_r = (_p & 0x1F);
#define GetBGR15(_r, _g, _b, _p) \
GetBGR_555(_r, _g, _b, _p); \
RGB_555_888(_r, _g, _b);
/* RGB 16 (RGB_565) */
#define RGB565(_r, _g, _b) \
((_r & 0x1F) << 11) | ((_g & 0x3F) << 5) | (_b & 0x1F);
#define RGB16(_r, _g, _b) \
(((_r >> 3) & 0x1F) << 11) | (((_g >> 2) & 0x3F) << 5) | ((_b >> 3) & 0x1F);
#define GetRGB_565(_r, _g, _b, _p) \
_r = (_p & 0xF800) >> 11; \
_g = (_p & 0x7E0) >> 5; \
_b = (_p & 0x1F);
#define GetRGB16(_r, _g, _b, _p) \
GetRGB_565(_r, _g, _b, _p); \
RGB_565_888(_r, _g, _b);
/* BGR 16 (BGR_565) */
#define BGR565(_r, _g, _b) \
((_b & 0x1F) << 11) | ((_g & 0x3F) << 5) | (_r & 0x1F);
#define BGR16(_r, _g, _b) \
(((_b >> 3) & 0x1F) << 11) | (((_g >> 2) & 0x3F) << 5) | ((_r >> 3) & 0x1F);
#define GetBGR_565(_r, _g, _b, _p) \
_b = (_p & 0xF800) >> 11; \
_g = (_p & 0x7E0) >> 5; \
_r = (_p & 0x1F);
#define GetBGR16(_r, _g, _b, _p) \
GetBGR_565(_r, _g, _b, _p); \
RGB_565_888(_r, _g, _b);
/* RGB 24 (RGB_888) */
#define RGB24(_r, _g, _b) \
(_r << 16) | (_g << 8) | _b;
#define GetRGB24(_r, _g, _b, _p) \
_r = (_p & 0xFF0000) >> 16; \
_g = (_p & 0xFF00) >> 8; \
_b = (_p & 0xFF);
/* BGR 24 (BGR_888) */
#define BGR24(_r, _g, _b) \
(_b << 16) | (_g << 8) | _r;
#define GetBGR24(_r, _g, _b, _p) \
_b = (_p & 0xFF0000) >> 16; \
_g = (_p & 0xFF00) >> 8; \
_r = (_p & 0xFF);
/* RGB 32 (ARGB_8888), alpha ignored */
#define RGB32(_r, _g, _b) \
(_r << 16) | (_g << 8) | _b;
#define GetRGB32(_r, _g, _b, _p) \
_r = (_p & 0xFF0000) >> 16; \
_g = (_p & 0xFF00) >> 8; \
_b = (_p & 0xFF);
/* ARGB 32 (ARGB_8888) */
#define ARGB32(_a,_r, _g, _b) \
(_a << 24) | (_r << 16) | (_g << 8) | _b;
#define GetARGB32(_a, _r, _g, _b, _p) \
_a = (_p & 0xFF000000) >> 24; \
_r = (_p & 0xFF0000) >> 16; \
_g = (_p & 0xFF00) >> 8; \
_b = (_p & 0xFF);
/* BGR 32 (ABGR_8888), alpha ignored */
#define BGR32(_r, _g, _b) \
(_b << 16) | (_g << 8) | _r;
#define GetBGR32(_r, _g, _b, _p) \
_b = (_p & 0xFF0000) >> 16; \
_g = (_p & 0xFF00) >> 8; \
_r = (_p & 0xFF);
/* BGR 32 (ABGR_8888) */
#define ABGR32(_a, _r, _g, _b) \
(_a << 24) | (_b << 16) | (_g << 8) | _r;
#define GetABGR32(_a, _r, _g, _b, _p) \
_a = (_p & 0xFF000000) >> 24; \
_b = (_p & 0xFF0000) >> 16; \
_g = (_p & 0xFF00) >> 8; \
_r = (_p & 0xFF);
/* Color Conversion */
#define BGR16_RGB32(_r, _g, _b, _p) \
GetBGR16(_r, _g, _b, _p); \
RGB_565_888(_r, _g, _b); \
_p = RGB32(_r, _g, _b);
#define RGB32_RGB16(_r, _g, _b, _p) \
GetRGB32(_r, _g, _b, _p); \
RGB_888_565(_r, _g, _b); \
_p = RGB565(_r, _g, _b);
#define RGB15_RGB16(_r, _g, _b, _p) \
GetRGB_555(_r, _g, _b, _p); \
_g = (_g << 1 & ~0x1) | (_g >> 4); \
_p = RGB565(_r, _g, _b);
#define RGB16_RGB15(_r, _g, _b, _p) \
GetRGB_565(_r, _g, _b, _p); \
_g = (_g >> 1); \
_p = RGB555(_r, _g, _b);
#define CLRCONV_ALPHA 1
#define CLRCONV_INVERT 2
/* if defined RGB555 format is used when rendering with a 16-bit frame buffer */
#define CLRCONV_RGB555 4
/* Supported Internal Buffer Formats */
#define CLRBUF_16BPP 8
#define CLRBUF_32BPP 16
struct _CLRCONV
{
int alpha;
int invert;
int rgb555;
RD_PALETTE* palette;
};
typedef struct _CLRCONV CLRCONV;
typedef CLRCONV* HCLRCONV;
#define IBPP(_bpp) (((_bpp + 1)/ 8) % 5)
typedef uint8* (*p_gdi_image_convert_bpp)(uint8* srcData, uint8* dstData, int width, int height, int srcBpp, int dstBpp, HCLRCONV clrconv);
int gdi_get_pixel(uint8 * data, int x, int y, int width, int height, int bpp);
void gdi_set_pixel(uint8* data, int x, int y, int width, int height, int bpp, int pixel);
uint32 gdi_color_convert(uint32 srcColor, int srcBpp, int dstBpp, HCLRCONV clrconv);
uint8* gdi_image_convert(uint8* srcData, uint8 *dstData, int width, int height, int srcBpp, int dstBpp, HCLRCONV clrconv);
uint8* gdi_glyph_convert(int width, int height, uint8* data);
uint8* gdi_mono_image_convert(uint8* srcData, int width, int height, int srcBpp, int dstBpp, uint32 bgcolor, uint32 fgcolor, HCLRCONV clrconv);
int gdi_mono_cursor_convert(uint8* srcData, uint8* maskData, uint8* xorMask, uint8* andMask, int width, int height, int bpp, HCLRCONV clrconv);
int gdi_alpha_cursor_convert(uint8* alphaData, uint8* xorMask, uint8* andMask, int width, int height, int bpp, HCLRCONV clrconv);
typedef uint8* (*p_gdi_image_convert)(uint8* srcData, uint8 *dstData, int width, int height, int srcBpp, int dstBpp, HCLRCONV clrconv);
#ifdef __cplusplus
}
#endif
#endif /* __COLOR_H */
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