mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-22 18:30:27 +01:00
354 lines
9.9 KiB
C
354 lines
9.9 KiB
C
/* Copyright (c) 2002-2012 Croteam Ltd.
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as published by
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the Free Software Foundation
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
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#ifndef SE_INCL_COLOR_H
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#define SE_INCL_COLOR_H
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#ifdef PRAGMA_ONCE
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#pragma once
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#endif
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#include <Engine/Math/Functions.h>
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// color definition constants (in CroTeam RGBA format)
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#define C_BLACK 0x00000000UL
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#define C_vdGRAY 0x1F1F1F00UL
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#define C_dGRAY 0x3F3F3F00UL
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#define C_mdGRAY 0x5F5F5F00UL
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#define C_GRAY 0x7F7F7F00UL
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#define C_mlGRAY 0x9F9F9F00UL
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#define C_lGRAY 0xBFBFBF00UL
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#define C_vlGRAY 0xDFDFDF00UL
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#define C_WHITE 0xFFFFFF00UL
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#define C_vdRED 0x3F000000UL
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#define C_dRED 0x7F000000UL
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#define C_mdRED 0xBF000000UL
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#define C_RED 0xFF000000UL
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#define C_mlRED 0xFF3F3F00UL
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#define C_lRED 0xFF7F7F00UL
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#define C_vlRED 0xFFBFBF00UL
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#define C_vdGREEN 0x003F0000UL
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#define C_dGREEN 0x007F0000UL
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#define C_mdGREEN 0x00BF0000UL
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#define C_GREEN 0x00FF0000UL
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#define C_mlGREEN 0x3FFF3F00UL
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#define C_lGREEN 0x7FFF7F00UL
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#define C_vlGREEN 0xBFFFBF00UL
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#define C_vdBLUE 0x00003F00UL
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#define C_dBLUE 0x00007F00UL
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#define C_mdBLUE 0x0000BF00UL
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#define C_BLUE 0x0000FF00UL
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#define C_mlBLUE 0x3F3FFF00UL
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#define C_lBLUE 0x7F7FFF00UL
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#define C_vlBLUE 0xBFBFFF00UL
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#define C_vdCYAN 0x003F3F00UL
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#define C_dCYAN 0x007F7F00UL
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#define C_mdCYAN 0x00BFBF00UL
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#define C_CYAN 0x00FFFF00UL
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#define C_mlCYAN 0x3FFFFF00UL
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#define C_lCYAN 0x7FFFFF00UL
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#define C_vlCYAN 0xBFFFFF00UL
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#define C_vdMAGENTA 0x3F003F00UL
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#define C_dMAGENTA 0x7F007F00UL
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#define C_mdMAGENTA 0xBF00BF00UL
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#define C_MAGENTA 0xFF00FF00UL
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#define C_mlMAGENTA 0xFF3FFF00UL
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#define C_lMAGENTA 0xFF7FFF00UL
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#define C_vlMAGENTA 0xFFBFFF00UL
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#define C_vdYELLOW 0x3F3F0000UL
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#define C_dYELLOW 0x7F7F0000UL
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#define C_mdYELLOW 0xBFBF0000UL
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#define C_YELLOW 0xFFFF0000UL
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#define C_mlYELLOW 0xFFFF3F00UL
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#define C_lYELLOW 0xFFFF7F00UL
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#define C_vlYELLOW 0xFFFFBF00UL
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#define C_vdORANGE 0x5F1F0000UL
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#define C_dORANGE 0x7F3F0000UL
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#define C_mdORANGE 0x9F5F0000UL
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#define C_ORANGE 0xFF7F3F00UL
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#define C_mlORANGE 0xFF9F5F00UL
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#define C_lORANGE 0xFFBF7F00UL
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#define C_vlORANGE 0xFFFF9F00UL
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#define C_vdBROWN 0x3F1F0000UL
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#define C_dBROWN 0x5F3F0F00UL
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#define C_mdBROWN 0x7F5F1F00UL
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#define C_BROWN 0x8C271700UL
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#define C_mlBROWN 0xBF3F0F00UL
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#define C_lBROWN 0xBF7F1F00UL
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#define C_vlBROWN 0xBFBF3F00UL
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#define C_vdPINK 0x9A545400UL
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#define C_dPINK 0xAA646400UL
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#define C_mdPINK 0xBA747400UL
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#define C_PINK 0xC8787800UL
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#define C_mlPINK 0xD67C7C00UL
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#define C_lPINK 0xE68C8C00UL
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#define C_vlPINK 0xF68C8C00UL
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// CT RGBA masks and shifts
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// Beware that changing these breaks the GNU C version of some
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// inline assembly. --ryan.
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#define CT_RMASK 0xFF000000UL
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#define CT_GMASK 0x00FF0000UL
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#define CT_BMASK 0x0000FF00UL
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#define CT_AMASK 0x000000FFUL
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#define CT_RSHIFT 24
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#define CT_GSHIFT 16
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#define CT_BSHIFT 8
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#define CT_ASHIFT 0
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// reversed (OpenGL) RGBA masks and shifts
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#define CT_rRMASK 0x000000FFUL
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#define CT_rGMASK 0x0000FF00UL
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#define CT_rBMASK 0x00FF0000UL
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#define CT_rAMASK 0xFF000000UL
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#define CT_rRSHIFT 0
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#define CT_rGSHIFT 8
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#define CT_rBSHIFT 16
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#define CT_rASHIFT 24
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// global factors for saturation and stuff
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extern SLONG _slTexSaturation;
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extern SLONG _slTexHueShift;
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extern SLONG _slShdSaturation;
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extern SLONG _slShdHueShift;
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// COLOR FORMAT CONVERSION ROUTINES
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// convert separate R,G and B color components to CroTeam COLOR format (ULONG type)
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__forceinline COLOR RGBToColor( UBYTE const ubR, UBYTE const ubG, UBYTE const ubB) {
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return ((ULONG)ubR<<CT_RSHIFT) | ((ULONG)ubG<<CT_GSHIFT) | ((ULONG)ubB<<CT_BSHIFT);
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}
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// convert CroTeam COLOR format to separate R,G and B color components
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__forceinline void ColorToRGB( COLOR const col, UBYTE &ubR, UBYTE &ubG, UBYTE &ubB) {
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ubR = (col&CT_RMASK)>>CT_RSHIFT;
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ubG = (col&CT_GMASK)>>CT_GSHIFT;
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ubB = (col&CT_BMASK)>>CT_BSHIFT;
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}
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// combine CroTeam COLOR format from separate R,G and B color components
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__forceinline COLOR RGBAToColor( UBYTE const ubR, UBYTE const ubG, UBYTE const ubB, UBYTE const ubA) {
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return ((ULONG)ubR<<CT_RSHIFT) | ((ULONG)ubG<<CT_GSHIFT)
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| ((ULONG)ubB<<CT_BSHIFT) | ((ULONG)ubA<<CT_ASHIFT);
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}
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// separate CroTeam COLOR format to R,G and B color components
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__forceinline void ColorToRGBA( COLOR const col, UBYTE &ubR, UBYTE &ubG, UBYTE &ubB, UBYTE &ubA) {
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ubR = (col&CT_RMASK)>>CT_RSHIFT;
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ubG = (col&CT_GMASK)>>CT_GSHIFT;
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ubB = (col&CT_BMASK)>>CT_BSHIFT;
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ubA = (col&CT_AMASK)>>CT_ASHIFT;
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}
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// convert HSV components to CroTeam COLOR format
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ENGINE_API extern COLOR HSVToColor( UBYTE const ubH, UBYTE const ubS, UBYTE const ubV);
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// convert CroTeam COLOR format to HSV components
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ENGINE_API extern void ColorToHSV( COLOR const colSrc, UBYTE &ubH, UBYTE &ubS, UBYTE &ubV);
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// convert HSVA components to CroTeam COLOR format
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__forceinline COLOR HSVAToColor( UBYTE const ubH, UBYTE const ubS, UBYTE const ubV, UBYTE const ubA) {
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return HSVToColor( ubH,ubS,ubV) | ((ULONG)ubA<<CT_ASHIFT);
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}
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// convert CroTeam COLOR format to HSVA components
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__forceinline void ColorToHSVA( COLOR const colSrc, UBYTE &ubH, UBYTE &ubS, UBYTE &ubV, UBYTE &ubA) {
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ColorToHSV( colSrc, ubH,ubS,ubV);
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ubA = (colSrc&CT_AMASK)>>CT_ASHIFT;
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}
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// is color gray, black or white?
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ENGINE_API extern BOOL IsGray( COLOR const col);
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ENGINE_API extern BOOL IsBlack( COLOR const col);
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ENGINE_API extern BOOL IsWhite( COLOR const col);
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// find corresponding desaturated color (it's not same as gray!)
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ENGINE_API extern COLOR DesaturateColor( COLOR const col);
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// is color1 bigger than color2 (gray comparison)
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ENGINE_API extern BOOL IsBigger( COLOR const col1, COLOR const col2);
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// has color same hue and saturation (with little tolerance) ?
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ENGINE_API extern BOOL CompareChroma( COLOR col1, COLOR col2);
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// adjust color saturation and/or hue (hue shift in 0-255 range!)
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ENGINE_API extern COLOR AdjustColor( COLOR const col, SLONG const slHueShift, SLONG const slSaturation);
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ENGINE_API extern COLOR AdjustGamma( COLOR const col, FLOAT const fGamma);
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// color lerping functions
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ENGINE_API extern COLOR LerpColor( COLOR col0, COLOR col1, FLOAT fRatio);
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ENGINE_API extern void LerpColor( COLOR col0, COLOR col1, FLOAT fRatio, UBYTE &ubR, UBYTE &ubG, UBYTE &ubB);
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// some fast color manipulation functions
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ENGINE_API extern COLOR MulColors( COLOR col1, COLOR col2); // fast color multiply function - RES = 1ST * 2ND /255
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ENGINE_API extern COLOR AddColors( COLOR col1, COLOR col2); // fast color additon function - RES = clamp (1ST + 2ND)
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// converts colors between Croteam, OpenGL and DirectX
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__forceinline ULONG ByteSwap( ULONG ul)
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{
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/* rcg10052001 Platform-wrappers. */
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#if (defined __MSVC_INLINE__)
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ULONG ulRet;
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__asm {
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mov eax,dword ptr [ul]
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bswap eax
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mov dword ptr [ulRet],eax
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}
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return ulRet;
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#elif (defined __GNU_INLINE_X86_32__)
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__asm__ __volatile__ (
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"bswapl %%eax \n\t"
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: "=a" (ul)
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: "a" (ul)
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);
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return(ul);
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#else
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ul = ( ((ul << 24) ) |
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((ul << 8) & 0x00FF0000) |
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((ul >> 8) & 0x0000FF00) |
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((ul >> 24) ) );
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#if (defined PLATFORM_BIGENDIAN)
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BYTESWAP(ul); // !!! FIXME: May not be right!
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#endif
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return(ul);
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#endif
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}
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__forceinline ULONG rgba2argb( ULONG ul)
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{
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#if (defined __MSVC_INLINE__)
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ULONG ulRet;
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__asm {
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mov eax,dword ptr [ul]
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ror eax,8
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mov dword ptr [ulRet],eax
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}
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return ulRet;
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#elif (defined __GNU_INLINE_X86_32__)
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ULONG ulRet;
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__asm__ __volatile__ (
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"rorl $8, %%eax \n\t"
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: "=a" (ulRet)
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: "a" (ul)
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: "cc"
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);
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return ulRet;
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#else
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return (ul << 24) | (ul >> 8);
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#endif
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}
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__forceinline ULONG abgr2argb( COLOR col)
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{
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#if (defined __MSVC_INLINE__)
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ULONG ulRet;
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__asm {
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mov eax,dword ptr [col]
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bswap eax
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ror eax,8
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mov dword ptr [ulRet],eax
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}
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return ulRet;
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#elif (defined __GNU_INLINE_X86_32__)
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ULONG ulRet;
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__asm__ __volatile__ (
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"bswapl %%eax \n\t"
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"rorl $8, %%eax \n\t"
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: "=a" (ulRet)
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: "a" (col)
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: "cc"
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);
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return ulRet;
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#else
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// this could be simplified, this is just a safe conversion from asm code
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col = ( ((col << 24) ) |
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((col << 8) & 0x00FF0000) |
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((col >> 8) & 0x0000FF00) |
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((col >> 24) ) );
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return( (col << 24) | (col >> 8) );
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#endif
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}
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// multiple conversion from OpenGL color to DirectX color
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extern void abgr2argb( ULONG *pulSrc, ULONG *pulDst, INDEX ct);
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// fast memory copy of ULONGs
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inline void CopyLongs( ULONG *pulSrc, ULONG *pulDst, INDEX ctLongs)
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{
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#if (defined __MSVC_INLINE__)
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__asm {
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cld
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mov esi,dword ptr [pulSrc]
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mov edi,dword ptr [pulDst]
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mov ecx,dword ptr [ctLongs]
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rep movsd
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}
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#else
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memcpy( pulDst, pulSrc, ctLongs*4);
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#endif
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}
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// fast memory set of ULONGs
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inline void StoreLongs( ULONG ulVal, ULONG *pulDst, INDEX ctLongs)
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{
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#if (defined __MSVC_INLINE__)
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__asm {
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cld
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mov eax,dword ptr [ulVal]
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mov edi,dword ptr [pulDst]
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mov ecx,dword ptr [ctLongs]
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rep stosd
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}
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#elif (defined __GNU_INLINE_X86_32__)
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__asm__ __volatile__ (
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"cld \n\t"
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"rep \n\t"
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"stosd \n\t"
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: "=D" (pulDst), "=c" (ctLongs)
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: "a" (ulVal), "D" (pulDst), "c" (ctLongs)
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: "cc", "memory"
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);
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#else
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for( INDEX i=0; i<ctLongs; i++)
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pulDst[i] = ulVal;
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#endif
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}
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#endif /* include-once check. */
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