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