2008-04-15 18:05:39 +00:00
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/*
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** bitmap.cpp
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**
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**---------------------------------------------------------------------------
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** Copyright 2008 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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**
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*/
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#include "bitmap.h"
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#include "templates.h"
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2008-04-15 22:17:30 +00:00
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#include "r_translate.h"
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2009-09-21 13:15:36 +00:00
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#include "v_palette.h"
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2008-04-15 18:05:39 +00:00
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//===========================================================================
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//
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// multi-format pixel copy with colormap application
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2008-04-15 22:17:30 +00:00
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// requires the previously defined conversion classes to work
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2008-04-15 18:05:39 +00:00
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//
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//===========================================================================
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2008-04-15 22:17:30 +00:00
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template<class TSrc, class TDest, class TBlend>
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void iCopyColors(BYTE *pout, const BYTE *pin, int count, int step, FCopyInfo *inf)
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2008-04-15 18:05:39 +00:00
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{
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2008-04-15 22:17:30 +00:00
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int i;
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int fac;
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BYTE r,g,b;
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int gray;
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int a;
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switch(inf? inf->blend : BLEND_NONE)
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2008-04-15 18:05:39 +00:00
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{
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2008-04-15 22:17:30 +00:00
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case BLEND_NONE:
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for(i=0;i<count;i++)
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{
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2008-05-16 23:36:47 +00:00
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a = TSrc::A(pin);
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if (TBlend::ProcessAlpha0() || a)
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2008-04-15 22:17:30 +00:00
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{
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TBlend::OpC(pout[TDest::RED], TSrc::R(pin), a, inf);
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TBlend::OpC(pout[TDest::GREEN], TSrc::G(pin), a, inf);
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TBlend::OpC(pout[TDest::BLUE], TSrc::B(pin), a, inf);
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TBlend::OpA(pout[TDest::ALPHA], a, inf);
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}
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pout+=4;
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pin+=step;
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}
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break;
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case BLEND_ICEMAP:
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// Create the ice translation table, based on Hexen's.
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// Since this is done in True Color the purplish tint is fully preserved - even in Doom!
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for(i=0;i<count;i++)
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{
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2008-05-16 23:36:47 +00:00
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a = TSrc::A(pin);
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if (TBlend::ProcessAlpha0() || a)
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2008-04-15 22:17:30 +00:00
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{
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int gray = TSrc::Gray(pin)>>4;
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TBlend::OpC(pout[TDest::RED], IcePalette[gray][0], a, inf);
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TBlend::OpC(pout[TDest::GREEN], IcePalette[gray][1], a, inf);
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TBlend::OpC(pout[TDest::BLUE], IcePalette[gray][2], a, inf);
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TBlend::OpA(pout[TDest::ALPHA], a, inf);
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}
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pout+=4;
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pin+=step;
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}
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break;
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default:
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2009-09-21 13:15:36 +00:00
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if (inf->blend >= BLEND_SPECIALCOLORMAP1)
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{
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FSpecialColormap *cm = &SpecialColormaps[inf->blend - BLEND_SPECIALCOLORMAP1];
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for(i=0;i<count;i++)
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{
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a = TSrc::A(pin);
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if (TBlend::ProcessAlpha0() || a)
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{
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2010-06-18 03:52:04 +00:00
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gray = clamp<int>(TSrc::Gray(pin),0,255);
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2009-09-21 13:15:36 +00:00
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PalEntry pe = cm->GrayscaleToColor[gray];
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TBlend::OpC(pout[TDest::RED], pe.r , a, inf);
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TBlend::OpC(pout[TDest::GREEN], pe.g, a, inf);
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TBlend::OpC(pout[TDest::BLUE], pe.b, a, inf);
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TBlend::OpA(pout[TDest::ALPHA], a, inf);
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}
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pout+=4;
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pin+=step;
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}
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}
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else if (inf->blend >= BLEND_DESATURATE1 && inf->blend<=BLEND_DESATURATE31)
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2008-04-15 22:17:30 +00:00
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{
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// Desaturated light settings.
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fac=inf->blend-BLEND_DESATURATE1+1;
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for(i=0;i<count;i++)
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{
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2008-05-16 23:36:47 +00:00
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a = TSrc::A(pin);
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if (TBlend::ProcessAlpha0() || a)
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2008-04-15 22:17:30 +00:00
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{
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gray = TSrc::Gray(pin);
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r = (TSrc::R(pin)*(31-fac) + gray*fac)/31;
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g = (TSrc::G(pin)*(31-fac) + gray*fac)/31;
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b = (TSrc::B(pin)*(31-fac) + gray*fac)/31;
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TBlend::OpC(pout[TDest::RED], r, a, inf);
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TBlend::OpC(pout[TDest::GREEN], g, a, inf);
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TBlend::OpC(pout[TDest::BLUE], b, a, inf);
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TBlend::OpA(pout[TDest::ALPHA], a, inf);
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}
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pout+=4;
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pin+=step;
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}
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}
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break;
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case BLEND_MODULATE:
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for(i=0;i<count;i++)
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{
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2008-05-16 23:36:47 +00:00
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a = TSrc::A(pin);
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if (TBlend::ProcessAlpha0() || a)
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2008-04-15 22:17:30 +00:00
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{
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r = (TSrc::R(pin)*inf->blendcolor[0])>>FRACBITS;
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g = (TSrc::G(pin)*inf->blendcolor[1])>>FRACBITS;
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b = (TSrc::B(pin)*inf->blendcolor[2])>>FRACBITS;
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TBlend::OpC(pout[TDest::RED], r, a, inf);
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TBlend::OpC(pout[TDest::GREEN], g, a, inf);
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TBlend::OpC(pout[TDest::BLUE], b, a, inf);
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TBlend::OpA(pout[TDest::ALPHA], a, inf);
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}
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pout+=4;
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pin+=step;
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}
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break;
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case BLEND_OVERLAY:
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for(i=0;i<count;i++)
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{
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// color blend
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2008-05-16 23:36:47 +00:00
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a = TSrc::A(pin);
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if (TBlend::ProcessAlpha0() || a)
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2008-04-15 22:17:30 +00:00
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{
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r = (TSrc::R(pin)*inf->blendcolor[3] + inf->blendcolor[0]) >> FRACBITS;
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g = (TSrc::G(pin)*inf->blendcolor[3] + inf->blendcolor[1]) >> FRACBITS;
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b = (TSrc::B(pin)*inf->blendcolor[3] + inf->blendcolor[2]) >> FRACBITS;
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TBlend::OpC(pout[TDest::RED], r, a, inf);
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TBlend::OpC(pout[TDest::GREEN], g, a, inf);
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TBlend::OpC(pout[TDest::BLUE], b, a, inf);
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TBlend::OpA(pout[TDest::ALPHA], a, inf);
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}
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pout+=4;
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pin+=step;
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}
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break;
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2008-04-15 18:05:39 +00:00
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}
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}
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2008-04-15 22:17:30 +00:00
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typedef void (*CopyFunc)(BYTE *pout, const BYTE *pin, int count, int step, FCopyInfo *inf);
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2008-04-15 18:05:39 +00:00
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2008-04-22 18:48:30 +00:00
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static const CopyFunc copyfuncs[][9]={
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2008-04-15 22:17:30 +00:00
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{
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iCopyColors<cRGB, cBGRA, bCopy>,
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iCopyColors<cRGBA, cBGRA, bCopy>,
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iCopyColors<cIA, cBGRA, bCopy>,
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iCopyColors<cCMYK, cBGRA, bCopy>,
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iCopyColors<cBGR, cBGRA, bCopy>,
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iCopyColors<cBGRA, cBGRA, bCopy>,
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iCopyColors<cI16, cBGRA, bCopy>,
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iCopyColors<cRGB555, cBGRA, bCopy>,
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iCopyColors<cPalEntry, cBGRA, bCopy>
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2008-04-22 18:48:30 +00:00
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},
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{
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iCopyColors<cRGB, cBGRA, bBlend>,
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iCopyColors<cRGBA, cBGRA, bBlend>,
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iCopyColors<cIA, cBGRA, bBlend>,
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iCopyColors<cCMYK, cBGRA, bBlend>,
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iCopyColors<cBGR, cBGRA, bBlend>,
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iCopyColors<cBGRA, cBGRA, bBlend>,
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iCopyColors<cI16, cBGRA, bBlend>,
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iCopyColors<cRGB555, cBGRA, bBlend>,
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iCopyColors<cPalEntry, cBGRA, bBlend>
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},
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{
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iCopyColors<cRGB, cBGRA, bAdd>,
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iCopyColors<cRGBA, cBGRA, bAdd>,
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iCopyColors<cIA, cBGRA, bAdd>,
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iCopyColors<cCMYK, cBGRA, bAdd>,
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iCopyColors<cBGR, cBGRA, bAdd>,
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iCopyColors<cBGRA, cBGRA, bAdd>,
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iCopyColors<cI16, cBGRA, bAdd>,
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iCopyColors<cRGB555, cBGRA, bAdd>,
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iCopyColors<cPalEntry, cBGRA, bAdd>
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},
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{
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iCopyColors<cRGB, cBGRA, bSubtract>,
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iCopyColors<cRGBA, cBGRA, bSubtract>,
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iCopyColors<cIA, cBGRA, bSubtract>,
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iCopyColors<cCMYK, cBGRA, bSubtract>,
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iCopyColors<cBGR, cBGRA, bSubtract>,
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iCopyColors<cBGRA, cBGRA, bSubtract>,
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iCopyColors<cI16, cBGRA, bSubtract>,
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iCopyColors<cRGB555, cBGRA, bSubtract>,
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iCopyColors<cPalEntry, cBGRA, bSubtract>
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},
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{
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iCopyColors<cRGB, cBGRA, bReverseSubtract>,
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iCopyColors<cRGBA, cBGRA, bReverseSubtract>,
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iCopyColors<cIA, cBGRA, bReverseSubtract>,
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iCopyColors<cCMYK, cBGRA, bReverseSubtract>,
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iCopyColors<cBGR, cBGRA, bReverseSubtract>,
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iCopyColors<cBGRA, cBGRA, bReverseSubtract>,
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iCopyColors<cI16, cBGRA, bReverseSubtract>,
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iCopyColors<cRGB555, cBGRA, bReverseSubtract>,
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iCopyColors<cPalEntry, cBGRA, bReverseSubtract>
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},
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{
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iCopyColors<cRGB, cBGRA, bModulate>,
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iCopyColors<cRGBA, cBGRA, bModulate>,
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iCopyColors<cIA, cBGRA, bModulate>,
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iCopyColors<cCMYK, cBGRA, bModulate>,
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iCopyColors<cBGR, cBGRA, bModulate>,
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iCopyColors<cBGRA, cBGRA, bModulate>,
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iCopyColors<cI16, cBGRA, bModulate>,
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iCopyColors<cRGB555, cBGRA, bModulate>,
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iCopyColors<cPalEntry, cBGRA, bModulate>
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},
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{
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iCopyColors<cRGB, cBGRA, bCopyAlpha>,
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iCopyColors<cRGBA, cBGRA, bCopyAlpha>,
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iCopyColors<cIA, cBGRA, bCopyAlpha>,
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iCopyColors<cCMYK, cBGRA, bCopyAlpha>,
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iCopyColors<cBGR, cBGRA, bCopyAlpha>,
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iCopyColors<cBGRA, cBGRA, bCopyAlpha>,
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iCopyColors<cI16, cBGRA, bCopyAlpha>,
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iCopyColors<cRGB555, cBGRA, bCopyAlpha>,
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iCopyColors<cPalEntry, cBGRA, bCopyAlpha>
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},
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2008-05-16 23:36:47 +00:00
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{
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iCopyColors<cRGB, cBGRA, bOverwrite>,
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iCopyColors<cRGBA, cBGRA, bOverwrite>,
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iCopyColors<cIA, cBGRA, bOverwrite>,
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iCopyColors<cCMYK, cBGRA, bOverwrite>,
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iCopyColors<cBGR, cBGRA, bOverwrite>,
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iCopyColors<cBGRA, cBGRA, bOverwrite>,
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iCopyColors<cI16, cBGRA, bOverwrite>,
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iCopyColors<cRGB555, cBGRA, bOverwrite>,
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iCopyColors<cPalEntry, cBGRA, bOverwrite>
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},
|
2008-04-22 18:48:30 +00:00
|
|
|
|
};
|
2008-04-15 18:05:39 +00:00
|
|
|
|
|
|
|
|
|
//===========================================================================
|
|
|
|
|
//
|
|
|
|
|
// Clips the copy area for CopyPixelData functions
|
|
|
|
|
//
|
|
|
|
|
//===========================================================================
|
2009-09-30 10:41:24 +00:00
|
|
|
|
bool ClipCopyPixelRect(const FClipRect *cr, int &originx, int &originy,
|
2009-04-16 02:02:56 +00:00
|
|
|
|
const BYTE *&patch, int &srcwidth, int &srcheight,
|
|
|
|
|
int &pstep_x, int &pstep_y, int rotate)
|
2008-04-15 18:05:39 +00:00
|
|
|
|
{
|
|
|
|
|
int pixxoffset;
|
|
|
|
|
int pixyoffset;
|
|
|
|
|
|
|
|
|
|
int step_x;
|
|
|
|
|
int step_y;
|
|
|
|
|
|
2009-09-30 10:41:24 +00:00
|
|
|
|
assert(cr != NULL);
|
2008-04-15 18:05:39 +00:00
|
|
|
|
// First adjust the settings for the intended rotation
|
|
|
|
|
switch (rotate)
|
|
|
|
|
{
|
|
|
|
|
default:
|
|
|
|
|
case 0: // normal
|
|
|
|
|
pixxoffset = 0;
|
|
|
|
|
pixyoffset = 0;
|
|
|
|
|
step_x = pstep_x;
|
|
|
|
|
step_y = pstep_y;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 1: // rotate 90<39> right
|
|
|
|
|
pixxoffset = 0;
|
|
|
|
|
pixyoffset = srcheight - 1;
|
|
|
|
|
step_x = -pstep_y;
|
|
|
|
|
step_y = pstep_x;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 2: // rotate 180<38>
|
|
|
|
|
pixxoffset = srcwidth - 1;
|
|
|
|
|
pixyoffset = srcheight - 1;
|
|
|
|
|
step_x = -pstep_x;
|
|
|
|
|
step_y = -pstep_y;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 3: // rotate 90<39> left
|
|
|
|
|
pixxoffset = srcwidth - 1;
|
|
|
|
|
pixyoffset = 0;
|
|
|
|
|
step_x = pstep_y;
|
|
|
|
|
step_y = -pstep_x;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 4: // flip horizontally
|
|
|
|
|
pixxoffset = srcwidth - 1;
|
|
|
|
|
pixyoffset = 0;
|
|
|
|
|
step_x = -pstep_x;
|
|
|
|
|
step_y = pstep_y;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 5: // flip horizontally and rotate 90<39> right
|
|
|
|
|
pixxoffset = srcwidth - 1;
|
|
|
|
|
pixyoffset = srcheight - 1;
|
|
|
|
|
step_x = -pstep_y;
|
|
|
|
|
step_y = -pstep_x;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 6: // flip vertically
|
|
|
|
|
pixxoffset = 0;
|
|
|
|
|
pixyoffset = srcheight - 1;
|
|
|
|
|
step_x = pstep_x;
|
|
|
|
|
step_y = -pstep_y;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 7: // flip horizontally and rotate 90<39> left
|
|
|
|
|
pixxoffset = 0;
|
|
|
|
|
pixyoffset = 0;
|
|
|
|
|
step_x = pstep_y;
|
|
|
|
|
step_y = pstep_x;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (rotate&1)
|
|
|
|
|
{
|
|
|
|
|
int v = srcwidth;
|
|
|
|
|
srcwidth = srcheight;
|
|
|
|
|
srcheight = v;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
patch += pixxoffset * pstep_x + pixyoffset * pstep_y;
|
|
|
|
|
pstep_x = step_x;
|
|
|
|
|
pstep_y = step_y;
|
|
|
|
|
|
|
|
|
|
// clip source rectangle to destination
|
2009-09-30 10:41:24 +00:00
|
|
|
|
if (originx < cr->x)
|
2008-04-15 18:05:39 +00:00
|
|
|
|
{
|
2009-09-30 10:41:24 +00:00
|
|
|
|
int skip = cr->x - originx;
|
|
|
|
|
|
|
|
|
|
srcwidth -= skip;
|
|
|
|
|
patch +=skip * step_x;
|
|
|
|
|
originx = cr->x;
|
2008-04-15 18:05:39 +00:00
|
|
|
|
if (srcwidth<=0) return false;
|
|
|
|
|
}
|
2009-09-30 10:41:24 +00:00
|
|
|
|
if (originx + srcwidth > cr->x + cr->width)
|
2008-04-15 18:05:39 +00:00
|
|
|
|
{
|
2009-09-30 10:41:24 +00:00
|
|
|
|
srcwidth = cr->x + cr->width - originx;
|
2008-04-15 18:05:39 +00:00
|
|
|
|
if (srcwidth<=0) return false;
|
|
|
|
|
}
|
|
|
|
|
|
2009-09-30 10:41:24 +00:00
|
|
|
|
if (originy < cr->y)
|
2008-04-15 18:05:39 +00:00
|
|
|
|
{
|
2009-09-30 10:41:24 +00:00
|
|
|
|
int skip = cr->y - originy;
|
|
|
|
|
|
|
|
|
|
srcheight -= skip;
|
|
|
|
|
patch += skip*step_y;
|
|
|
|
|
originy = cr->y;
|
|
|
|
|
if (srcheight <= 0) return false;
|
2008-04-15 18:05:39 +00:00
|
|
|
|
}
|
2009-09-30 10:41:24 +00:00
|
|
|
|
if (originy + srcheight > cr->y + cr->height)
|
2008-04-15 18:05:39 +00:00
|
|
|
|
{
|
2009-09-30 10:41:24 +00:00
|
|
|
|
srcheight = cr->y + cr->height - originy;
|
|
|
|
|
if (srcheight <= 0) return false;
|
2008-04-15 18:05:39 +00:00
|
|
|
|
}
|
2009-09-30 10:41:24 +00:00
|
|
|
|
|
2008-04-15 18:05:39 +00:00
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2009-09-30 10:41:24 +00:00
|
|
|
|
//===========================================================================
|
|
|
|
|
//
|
|
|
|
|
//
|
|
|
|
|
//
|
|
|
|
|
//===========================================================================
|
|
|
|
|
|
|
|
|
|
bool FClipRect::Intersect(int ix, int iy, int iw, int ih)
|
|
|
|
|
{
|
|
|
|
|
if (ix > x)
|
|
|
|
|
{
|
|
|
|
|
width -= (ix-x);
|
|
|
|
|
x = ix;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
iw -= (x-ix);
|
|
|
|
|
}
|
|
|
|
|
if (iy > y)
|
|
|
|
|
{
|
|
|
|
|
height -= (iy-y);
|
|
|
|
|
y = iy;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
2011-05-19 04:46:04 +00:00
|
|
|
|
ih -= (y-iy);
|
2009-09-30 10:41:24 +00:00
|
|
|
|
}
|
|
|
|
|
if (iw < width) width = iw;
|
|
|
|
|
if (ih < height) height = ih;
|
|
|
|
|
return width > 0 && height > 0;
|
|
|
|
|
}
|
|
|
|
|
|
2008-04-15 18:05:39 +00:00
|
|
|
|
//===========================================================================
|
|
|
|
|
//
|
|
|
|
|
// True Color texture copy function
|
|
|
|
|
//
|
|
|
|
|
//===========================================================================
|
|
|
|
|
void FBitmap::CopyPixelDataRGB(int originx, int originy, const BYTE *patch, int srcwidth,
|
2008-04-16 18:17:20 +00:00
|
|
|
|
int srcheight, int step_x, int step_y, int rotate, int ct, FCopyInfo *inf)
|
2008-04-15 18:05:39 +00:00
|
|
|
|
{
|
2009-09-30 10:41:24 +00:00
|
|
|
|
if (ClipCopyPixelRect(&ClipRect, originx, originy, patch, srcwidth, srcheight, step_x, step_y, rotate))
|
2008-04-15 18:05:39 +00:00
|
|
|
|
{
|
|
|
|
|
BYTE *buffer = data + 4 * originx + Pitch * originy;
|
2008-04-22 18:48:30 +00:00
|
|
|
|
int op = inf==NULL? OP_COPY : inf->op;
|
2008-04-15 18:05:39 +00:00
|
|
|
|
for (int y=0;y<srcheight;y++)
|
|
|
|
|
{
|
2008-04-22 18:48:30 +00:00
|
|
|
|
copyfuncs[op][ct](&buffer[y*Pitch], &patch[y*step_y], srcwidth, step_x, inf);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
template<class TDest, class TBlend>
|
|
|
|
|
void iCopyPaletted(BYTE *buffer, const BYTE * patch, int srcwidth, int srcheight, int Pitch,
|
|
|
|
|
int step_x, int step_y, int rotate, PalEntry * palette, FCopyInfo *inf)
|
|
|
|
|
{
|
|
|
|
|
int x,y,pos;
|
|
|
|
|
|
|
|
|
|
for (y=0;y<srcheight;y++)
|
|
|
|
|
{
|
|
|
|
|
pos = y*Pitch;
|
|
|
|
|
for (x=0;x<srcwidth;x++,pos+=4)
|
|
|
|
|
{
|
|
|
|
|
int v=(unsigned char)patch[y*step_y+x*step_x];
|
2008-05-16 23:36:47 +00:00
|
|
|
|
int a = palette[v].a;
|
2008-04-22 18:48:30 +00:00
|
|
|
|
|
2008-05-16 23:36:47 +00:00
|
|
|
|
if (TBlend::ProcessAlpha0() || a)
|
2008-04-22 18:48:30 +00:00
|
|
|
|
{
|
|
|
|
|
TBlend::OpC(buffer[pos + TDest::RED], palette[v].r, a, inf);
|
|
|
|
|
TBlend::OpC(buffer[pos + TDest::GREEN], palette[v].g, a, inf);
|
|
|
|
|
TBlend::OpC(buffer[pos + TDest::BLUE], palette[v].b, a, inf);
|
|
|
|
|
TBlend::OpA(buffer[pos + TDest::ALPHA], a, inf);
|
|
|
|
|
}
|
2008-04-15 18:05:39 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2008-04-22 18:48:30 +00:00
|
|
|
|
typedef void (*CopyPalettedFunc)(BYTE *buffer, const BYTE * patch, int srcwidth, int srcheight, int Pitch,
|
|
|
|
|
int step_x, int step_y, int rotate, PalEntry * palette, FCopyInfo *inf);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static const CopyPalettedFunc copypalettedfuncs[]=
|
|
|
|
|
{
|
|
|
|
|
iCopyPaletted<cBGRA, bCopy>,
|
|
|
|
|
iCopyPaletted<cBGRA, bBlend>,
|
|
|
|
|
iCopyPaletted<cBGRA, bAdd>,
|
|
|
|
|
iCopyPaletted<cBGRA, bSubtract>,
|
|
|
|
|
iCopyPaletted<cBGRA, bReverseSubtract>,
|
|
|
|
|
iCopyPaletted<cBGRA, bModulate>,
|
|
|
|
|
iCopyPaletted<cBGRA, bCopyAlpha>,
|
2008-05-16 23:36:47 +00:00
|
|
|
|
iCopyPaletted<cBGRA, bOverwrite>
|
2008-04-22 18:48:30 +00:00
|
|
|
|
};
|
|
|
|
|
|
2008-04-15 18:05:39 +00:00
|
|
|
|
//===========================================================================
|
|
|
|
|
//
|
|
|
|
|
// Paletted to True Color texture copy function
|
|
|
|
|
//
|
|
|
|
|
//===========================================================================
|
|
|
|
|
void FBitmap::CopyPixelData(int originx, int originy, const BYTE * patch, int srcwidth, int srcheight,
|
2008-04-16 18:17:20 +00:00
|
|
|
|
int step_x, int step_y, int rotate, PalEntry * palette, FCopyInfo *inf)
|
2008-04-15 18:05:39 +00:00
|
|
|
|
{
|
2009-09-30 10:41:24 +00:00
|
|
|
|
if (ClipCopyPixelRect(&ClipRect, originx, originy, patch, srcwidth, srcheight, step_x, step_y, rotate))
|
2008-04-15 18:05:39 +00:00
|
|
|
|
{
|
|
|
|
|
BYTE *buffer = data + 4*originx + Pitch*originy;
|
2008-04-16 18:17:20 +00:00
|
|
|
|
PalEntry penew[256];
|
|
|
|
|
|
2009-07-25 09:11:15 +00:00
|
|
|
|
memset(penew, 0, sizeof(penew));
|
2008-04-16 18:17:20 +00:00
|
|
|
|
if (inf && inf->blend)
|
|
|
|
|
{
|
2008-04-22 18:48:30 +00:00
|
|
|
|
iCopyColors<cPalEntry, cBGRA, bCopy>((BYTE*)penew, (const BYTE*)palette, 256, 4, inf);
|
2008-04-16 18:17:20 +00:00
|
|
|
|
palette = penew;
|
|
|
|
|
}
|
|
|
|
|
|
2008-04-22 18:48:30 +00:00
|
|
|
|
copypalettedfuncs[inf==NULL? OP_COPY : inf->op](buffer, patch, srcwidth, srcheight, Pitch,
|
|
|
|
|
step_x, step_y, rotate, palette, inf);
|
2008-04-15 18:05:39 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2009-09-25 02:27:48 +00:00
|
|
|
|
//===========================================================================
|
|
|
|
|
//
|
|
|
|
|
// Clear buffer
|
|
|
|
|
//
|
|
|
|
|
//===========================================================================
|
|
|
|
|
void FBitmap::Zero()
|
|
|
|
|
{
|
|
|
|
|
BYTE *buffer = data;
|
2009-09-30 10:41:24 +00:00
|
|
|
|
for (int y = ClipRect.y; y < ClipRect.height; ++y)
|
2009-09-25 02:27:48 +00:00
|
|
|
|
{
|
2009-09-30 10:41:24 +00:00
|
|
|
|
memset(buffer + ClipRect.x, 0, ClipRect.width*4);
|
2009-09-25 02:27:48 +00:00
|
|
|
|
buffer += Pitch;
|
|
|
|
|
}
|
|
|
|
|
}
|