mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-16 14:50:17 +00:00
6e9e7ced8f
svn-id: r6116
848 lines
25 KiB
C++
848 lines
25 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2002 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#include "stdafx.h"
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#include "engine.h"
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#include <exec/types.h>
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#include <cybergraphics/cybergraphics.h>
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#include <proto/cybergraphics.h>
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#include "morphos.h"
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#include "morphos_scaler.h"
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#define GET_RESULT(A, B, C, D) ((A != C || A != D) - (B != C || B != D))
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#define INTERPOLATE(A, B) (((A & colorMask) >> 1) + ((B & colorMask) >> 1) + (A & B & lowPixelMask))
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#define Q_INTERPOLATE(A, B, C, D) ((A & qcolorMask) >> 2) + ((B & qcolorMask) >> 2) + ((C & qcolorMask) >> 2) + ((D & qcolorMask) >> 2) + ((((A & qlowpixelMask) + (B & qlowpixelMask) + (C & qlowpixelMask) + (D & qlowpixelMask)) >> 2) & qlowpixelMask)
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#define SWAP_WORD(word) word = ((word & 0xff) << 8) | (word >> 8)
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#define SWAP_LONG(lng) lng = ((lng & 0xff) << 24) | ((lng & 0xff00) << 8) | ((lng & 0xff0000) >> 8) | (lng >> 24)
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MorphOSScaler::GfxScaler MorphOSScaler::ScummScalers[11]
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= { { "none", "normal", ST_NONE },
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{ "Point", "2x", ST_POINT },
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{ "AdvMame2x", "advmame2x", ST_ADVMAME2X },
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{ "SuperEagle", "supereagle", ST_SUPEREAGLE },
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{ "Super2xSaI", "super2xsai", ST_SUPER2XSAI },
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{ NULL, NULL, ST_INVALID },
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{ NULL, NULL, ST_INVALID },
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{ NULL, NULL, ST_INVALID },
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{ NULL, NULL, ST_INVALID },
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{ NULL, NULL, ST_INVALID },
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// This is the end marker ... do not assign a scaler to it!
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{ NULL, NULL, ST_INVALID }
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};
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MorphOSScaler::MorphOSScaler(APTR buffer, int width, int height, ULONG *col_table, UWORD *col_table16, BitMap *bmap)
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{
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dest = NULL;
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handle = NULL;
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Buffer = buffer;
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BufferWidth = width;
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BufferHeight = height;
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ScummColors = col_table;
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ScummColors16 = col_table16;
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/* Initialize scaling stuff */
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int minr, ming, minb;
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ULONG depth = GetCyberMapAttr(bmap, CYBRMATTR_DEPTH);
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if (depth > 16)
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{
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minr = 1 << 16;
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ming = 1 << 8;
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minb = 1;
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}
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else
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{
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minr = 1 << ((depth == 15) ? 10 : 11);
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ming = 1 << 5;
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minb = 1;
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}
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int pixfmt = GetCyberMapAttr(bmap, CYBRMATTR_PIXFMT);
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ScummPCMode = false;
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if (pixfmt == PIXFMT_RGB15PC || pixfmt == PIXFMT_BGR15PC ||
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pixfmt == PIXFMT_RGB16PC || pixfmt == PIXFMT_BGR16PC ||
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pixfmt == PIXFMT_BGRA32)
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ScummPCMode = true;
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colorMask = (MakeColor(pixfmt, 255, 0, 0) - minr) | (MakeColor(pixfmt, 0, 255, 0) - ming) | (MakeColor(pixfmt, 0, 0, 255) - minb);
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lowPixelMask = minr | ming | minb;
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qcolorMask = (MakeColor(pixfmt, 255, 0, 0) - 3*minr) | (MakeColor(pixfmt, 0, 255, 0) - 3*ming) | (MakeColor(pixfmt, 0, 0, 255) - 3*minb);
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qlowpixelMask = (minr * 3) | (ming * 3) | (minb * 3);
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redblueMask = MakeColor(pixfmt, 255, 0, 255);
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greenMask = MakeColor(pixfmt, 0, 255, 0);
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PixelsPerMask = (depth <= 16) ? 2 : 1;
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if (PixelsPerMask == 2)
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{
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colorMask |= (colorMask << 16);
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qcolorMask |= (qcolorMask << 16);
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lowPixelMask |= (lowPixelMask << 16);
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qlowpixelMask |= (qlowpixelMask << 16);
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}
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}
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MorphOSScaler::~MorphOSScaler()
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{
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Finish();
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}
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MorphOSScaler *MorphOSScaler::Create(SCALERTYPE scaler_type, APTR buffer, int width, int height, ULONG *col_table, UWORD *col_table16, BitMap *bmap)
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{
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MorphOSScaler *new_scaler = NULL;
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switch (scaler_type)
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{
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case ST_POINT:
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new_scaler = new PointScaler(buffer, width, height, col_table, col_table16, bmap);
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break;
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case ST_ADVMAME2X:
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new_scaler = new AdvMame2xScaler(buffer, width, height, col_table, col_table16, bmap);
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break;
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case ST_SUPEREAGLE:
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new_scaler = new SuperEagleScaler(buffer, width, height, col_table, col_table16, bmap);
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break;
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case ST_SUPER2XSAI:
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new_scaler = new Super2xSaIScaler(buffer, width, height, col_table, col_table16, bmap);
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break;
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default:
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warning("Invalid scaler requested - falling back to Super2xSaI");
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new_scaler = new Super2xSaIScaler(buffer, width, height, col_table, col_table16, bmap);
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break;
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}
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return new_scaler;
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}
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bool MorphOSScaler::Prepare(BitMap *render_bmap)
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{
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handle = LockBitMapTags(render_bmap, LBMI_BYTESPERPIX, &dest_bpp,
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LBMI_BYTESPERROW, &dest_pitch,
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LBMI_BASEADDRESS, &dest,
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LBMI_PIXFMT, &dest_pixfmt,
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TAG_DONE);
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return handle != NULL;
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}
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void MorphOSScaler::Finish()
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{
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if (handle)
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{
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UnLockBitMap(handle);
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handle = NULL;
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}
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}
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uint32 MorphOSScaler::MakeColor(int pixfmt, int r, int g, int b)
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{
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uint32 col = 0;
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switch (pixfmt)
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{
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case PIXFMT_RGB15:
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case PIXFMT_RGB15PC:
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col = (((r*31)/255) << 10) | (((g*31)/255) << 5) | ((b*31)/255);
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break;
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case PIXFMT_BGR15:
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case PIXFMT_BGR15PC:
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col = (((b*31)/255) << 10) | (((g*31)/255) << 5) | ((r*31)/255);
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break;
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case PIXFMT_RGB16:
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case PIXFMT_RGB16PC:
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col = (((r*31)/255) << 11) | (((g*63)/255) << 5) | ((b*31)/255);
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break;
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case PIXFMT_BGR16:
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case PIXFMT_BGR16PC:
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col = (((b*31)/255) << 11) | (((g*63)/255) << 5) | ((r*31)/255);
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break;
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case PIXFMT_ARGB32:
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case PIXFMT_BGRA32:
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col = (r << 16) | (g << 8) | b;
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break;
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case PIXFMT_RGBA32:
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col = (r << 24) | (g << 16) | (b << 8);
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break;
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case PIXFMT_RGB24:
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case PIXFMT_BGR24:
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error("The scaling engines do not support 24 bit modes at the moment");
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break;
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default:
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error("Unsupported pixel format: %d. Please contact author at tomjoad@muenster.de", pixfmt);
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}
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return col;
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}
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void Super2xSaIScaler::Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height)
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{
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unsigned int x, y;
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unsigned long color[16];
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byte *src;
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if (!handle)
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return;
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src = ((byte *)Buffer)+src_y*BufferWidth+src_x;
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/* Point to the first 3 lines. */
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src_line[0] = src;
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src_line[1] = src;
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src_line[2] = src + BufferWidth;
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src_line[3] = src + BufferWidth * 2;
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dst_line[0] = dest+dest_y*2*dest_pitch+dest_x*2*dest_bpp;
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dst_line[1] = dst_line[0]+dest_pitch;
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if (PixelsPerMask == 2)
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{
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byte *sbp;
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sbp = src_line[0];
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color[0] = ScummColors16[*sbp]; color[1] = color[0]; color[2] = color[0]; color[3] = color[0];
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color[4] = color[0]; color[5] = color[0]; color[6] = ScummColors16[*(sbp+1)]; color[7] = ScummColors16[*(sbp+2)];
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sbp = src_line[2];
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color[8] = ScummColors16[*sbp]; color[9] = color[8]; color[10] = ScummColors16[*(sbp+1)]; color[11] = ScummColors16[*(sbp+2)];
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sbp = src_line[3];
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color[12] = ScummColors16[*sbp]; color[13] = color[12]; color[14] = ScummColors16[*(sbp+1)]; color[15] = ScummColors16[*(sbp+2)];
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}
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else
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{
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byte *lbp;
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lbp = src_line[0];
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color[0] = ScummColors[*lbp]; color[1] = color[0]; color[2] = color[0]; color[3] = color[0];
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color[4] = color[0]; color[5] = color[0]; color[6] = ScummColors[*(lbp+1)]; color[7] = ScummColors[*(lbp+2)];
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lbp = src_line[2];
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color[8] = ScummColors[*lbp]; color[9] = color[8]; color[10] = ScummColors[*(lbp+1)]; color[11] = ScummColors[*(lbp+2)];
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lbp = src_line[3];
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color[12] = ScummColors[*lbp]; color[13] = color[12]; color[14] = ScummColors[*(lbp+1)]; color[15] = ScummColors[*(lbp+2)];
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}
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for (y = 0; y < height; y++)
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{
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for (x = 0; x < width; x++)
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{
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unsigned long product1a, product1b, product2a, product2b;
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//--------------------------------------- B0 B1 B2 B3 0 1 2 3
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// 4 5* 6 S2 -> 4 5* 6 7
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// 1 2 3 S1 8 9 10 11
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// A0 A1 A2 A3 12 13 14 15
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//--------------------------------------
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if (color[9] == color[6] && color[5] != color[10])
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{
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product2b = color[9];
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product1b = product2b;
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}
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else if (color[5] == color[10] && color[9] != color[6])
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{
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product2b = color[5];
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product1b = product2b;
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}
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else if (color[5] == color[10] && color[9] == color[6])
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{
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int r = 0;
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r += GET_RESULT(color[6], color[5], color[8], color[13]);
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r += GET_RESULT(color[6], color[5], color[4], color[1]);
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r += GET_RESULT(color[6], color[5], color[14], color[11]);
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r += GET_RESULT(color[6], color[5], color[2], color[7]);
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if (r > 0)
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product1b = color[6];
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else if (r < 0)
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product1b = color[5];
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else
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product1b = INTERPOLATE(color[5], color[6]);
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product2b = product1b;
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}
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else
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{
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if (color[6] == color[10] && color[10] == color[13] && color[9] != color[14] && color[10] != color[12])
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product2b = Q_INTERPOLATE(color[10], color[10], color[10], color[9]);
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else if (color[5] == color[9] && color[9] == color[14] && color[13] != color[10] && color[9] != color[15])
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product2b = Q_INTERPOLATE(color[9], color[9], color[9], color[10]);
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else
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product2b = INTERPOLATE(color[9], color[10]);
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if (color[6] == color[10] && color[6] == color[1] && color[5] != color[2] && color[6] != color[0])
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product1b = Q_INTERPOLATE(color[6], color[6], color[6], color[5]);
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else if (color[5] == color[9] && color[5] == color[2] && color[1] != color[6] && color[5] != color[3])
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product1b = Q_INTERPOLATE(color[6], color[5], color[5], color[5]);
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else
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product1b = INTERPOLATE(color[5], color[6]);
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}
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if (color[5] == color[10] && color[9] != color[6] && color[4] == color[5] && color[5] != color[14])
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product2a = INTERPOLATE(color[9], color[5]);
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else if (color[5] == color[8] && color[6] == color[5] && color[4] != color[9] && color[5] != color[12])
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product2a = INTERPOLATE(color[9], color[5]);
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else
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product2a = color[9];
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if (color[9] == color[6] && color[5] != color[10] && color[8] == color[9] && color[9] != color[2])
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product1a = INTERPOLATE(color[9], color[5]);
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else if (color[4] == color[9] && color[10] == color[9] && color[8] != color[5] && color[9] != color[0])
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product1a = INTERPOLATE(color[9], color[5]);
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else
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product1a = color[5];
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if (PixelsPerMask == 2)
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{
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if (ScummPCMode)
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{
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SWAP_WORD(product1a);
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SWAP_WORD(product1b);
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SWAP_WORD(product2a);
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SWAP_WORD(product2b);
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}
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*((unsigned long *) (&dst_line[0][x * 4])) = (product1a << 16) | product1b;
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*((unsigned long *) (&dst_line[1][x * 4])) = (product2a << 16) | product2b;
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}
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else
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{
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if (ScummPCMode)
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{
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SWAP_LONG(product1a);
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SWAP_LONG(product1b);
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SWAP_LONG(product2a);
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SWAP_LONG(product2b);
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}
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*((unsigned long *) (&dst_line[0][x * 8])) = product1a;
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*((unsigned long *) (&dst_line[0][x * 8 + 4])) = product1b;
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*((unsigned long *) (&dst_line[1][x * 8])) = product2a;
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*((unsigned long *) (&dst_line[1][x * 8 + 4])) = product2b;
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}
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/* Move color matrix forward */
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color[0] = color[1]; color[4] = color[5]; color[8] = color[9]; color[12] = color[13];
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color[1] = color[2]; color[5] = color[6]; color[9] = color[10]; color[13] = color[14];
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color[2] = color[3]; color[6] = color[7]; color[10] = color[11]; color[14] = color[15];
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if (src_x+x < BufferWidth-3)
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{
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x += 3;
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if (PixelsPerMask == 2)
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{
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color[3] = ScummColors16[*(src_line[0] + x) ];
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color[7] = ScummColors16[*(src_line[1] + x) ];
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color[11] = ScummColors16[*(src_line[2] + x) ];
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color[15] = ScummColors16[*(src_line[3] + x) ];
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}
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else
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{
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color[3] = ScummColors[*(src_line[0] + x)];
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color[7] = ScummColors[*(src_line[1] + x)];
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color[11] = ScummColors[*(src_line[2] + x)];
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color[15] = ScummColors[*(src_line[3] + x)];
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}
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x -= 3;
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}
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}
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/* We're done with one line, so we shift the source lines up */
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src_line[0] = src_line[1];
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src_line[1] = src_line[2];
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src_line[2] = src_line[3];
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/* Read next line */
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if (src_y + y + 3 >= BufferHeight)
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src_line[3] = src_line[2];
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else
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src_line[3] = src_line[2] + BufferWidth;
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/* Then shift the color matrix up */
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if (PixelsPerMask == 2)
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{
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byte *sbp;
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sbp = src_line[0];
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color[0] = ScummColors16[*sbp]; color[1] = color[0]; color[2] = ScummColors16[ *(sbp + 1) ]; color[3] = ScummColors16[*(sbp + 2)];
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sbp = src_line[1];
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color[4] = ScummColors16[*sbp]; color[5] = color[4]; color[6] = ScummColors16[ *(sbp + 1) ]; color[7] = ScummColors16[*(sbp + 2)];
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sbp = src_line[2];
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color[8] = ScummColors16[*sbp]; color[9] = color[8]; color[10] = ScummColors16[ *(sbp + 1) ]; color[11] = ScummColors16[*(sbp + 2)];
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sbp = src_line[3];
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color[12] = ScummColors16[*sbp]; color[13] = color[12]; color[14] = ScummColors16[ *(sbp + 1) ]; color[15] = ScummColors16[*(sbp + 2)];
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if (src_x + x > 0)
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{
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color[0] = ScummColors16[src_line[0][-1]];
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color[4] = ScummColors16[src_line[1][-1]];
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color[8] = ScummColors16[src_line[2][-1]];
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color[12] = ScummColors16[src_line[3][-1]];
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}
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}
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else
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{
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byte *lbp;
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lbp = src_line[0];
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color[0] = ScummColors[*lbp]; color[1] = color[0]; color[2] = ScummColors[ *(lbp + 1) ]; color[3] = ScummColors[*(lbp+2)];
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lbp = src_line[1];
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color[4] = ScummColors[*lbp]; color[5] = color[4]; color[6] = ScummColors[ *(lbp + 1) ]; color[7] = ScummColors[*(lbp+2)];
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lbp = src_line[2];
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color[8] = ScummColors[*lbp]; color[9] = color[8]; color[10] = ScummColors[ *(lbp + 1) ]; color[11] = ScummColors[*(lbp+2)];
|
|
lbp = src_line[3];
|
|
color[12] = ScummColors[*lbp]; color[13] = color[12]; color[14] = ScummColors[ *(lbp + 1) ]; color[15] = ScummColors[*(lbp+2)];
|
|
}
|
|
|
|
if (src_y + y < BufferHeight - 1)
|
|
{
|
|
dst_line[0] = dst_line[1]+dest_pitch;
|
|
dst_line[1] = dst_line[0]+dest_pitch;
|
|
}
|
|
}
|
|
}
|
|
|
|
void SuperEagleScaler::Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height)
|
|
{
|
|
unsigned int x, y;
|
|
unsigned long color[12];
|
|
byte *src;
|
|
|
|
if (!handle)
|
|
return;
|
|
|
|
src = (byte *)Buffer+src_y*BufferWidth+src_x;
|
|
|
|
/* Point to the first 3 lines. */
|
|
src_line[0] = src;
|
|
src_line[1] = src;
|
|
src_line[2] = src + BufferWidth;
|
|
src_line[3] = src + BufferWidth * 2;
|
|
|
|
dst_line[0] = dest+dest_y*2*dest_pitch+dest_x*2*dest_bpp;
|
|
dst_line[1] = dst_line[0]+dest_pitch;
|
|
|
|
x = 0, y = 0;
|
|
|
|
if (PixelsPerMask == 2)
|
|
{
|
|
byte *sbp;
|
|
sbp = src_line[0];
|
|
color[0] = ScummColors16[*sbp]; color[1] = color[0]; color[2] = color[0]; color[3] = color[0];
|
|
color[4] = ScummColors16[*(sbp+1)]; color[5] = ScummColors16[*(sbp+2)];
|
|
sbp = src_line[2];
|
|
color[6] = ScummColors16[*sbp]; color[7] = color[6]; color[8] = ScummColors16[*(sbp+1)]; color[9] = ScummColors16[*(sbp+2)];
|
|
sbp = src_line[3];
|
|
color[10] = ScummColors16[*sbp]; color[11] = ScummColors16[*(sbp+1)];
|
|
}
|
|
else
|
|
{
|
|
byte *lbp;
|
|
lbp = src_line[0];
|
|
color[0] = ScummColors[*lbp]; color[1] = color[0]; color[2] = color[0]; color[3] = color[0];
|
|
color[4] = ScummColors[*(lbp+1)]; color[5] = ScummColors[*(lbp+2)];
|
|
lbp = src_line[2];
|
|
color[6] = ScummColors[*lbp]; color[7] = color[6]; color[8] = ScummColors[*(lbp+1)]; color[9] = ScummColors[*(lbp+2)];
|
|
lbp = src_line[3];
|
|
color[10] = ScummColors[*lbp]; color[11] = ScummColors[*(lbp+1)];
|
|
}
|
|
|
|
for (y = 0; y < height; y++)
|
|
{
|
|
/* Todo: x = width - 2, x = width - 1 */
|
|
|
|
for (x = 0; x < width; x++)
|
|
{
|
|
unsigned long product1a, product1b, product2a, product2b;
|
|
|
|
//--------------------------------------- B1 B2 0 1
|
|
// 4 5 6 S2 -> 2 3 4 5
|
|
// 1 2 3 S1 6 7 8 9
|
|
// A1 A2 10 11
|
|
|
|
if (color[7] == color[4] && color[3] != color[8])
|
|
{
|
|
product1b = product2a = color[7];
|
|
|
|
if ((color[6] == color[7]) || (color[4] == color[1]))
|
|
product1a = INTERPOLATE(color[7], INTERPOLATE(color[7], color[3]));
|
|
else
|
|
product1a = INTERPOLATE(color[3], color[4]);
|
|
|
|
if ((color[4] == color[5]) || (color[7] == color[10]))
|
|
product2b = INTERPOLATE(color[7], INTERPOLATE(color[7], color[8]));
|
|
else
|
|
product2b = INTERPOLATE(color[7], color[8]);
|
|
}
|
|
else if (color[3] == color[8] && color[7] != color[4])
|
|
{
|
|
product2b = product1a = color[3];
|
|
|
|
if ((color[0] == color[3]) || (color[5] == color[9]))
|
|
product1b = INTERPOLATE(color[3], INTERPOLATE(color[3], color[4]));
|
|
else
|
|
product1b = INTERPOLATE(color[3], color[1]);
|
|
|
|
if ((color[8] == color[11]) || (color[2] == color[3]))
|
|
product2a = INTERPOLATE(color[3], INTERPOLATE(color[3], color[2]));
|
|
else
|
|
product2a = INTERPOLATE(color[7], color[8]);
|
|
|
|
}
|
|
else if (color[3] == color[8] && color[7] == color[4])
|
|
{
|
|
register int r = 0;
|
|
|
|
r += GET_RESULT(color[4], color[3], color[6], color[10]);
|
|
r += GET_RESULT(color[4], color[3], color[2], color[0]);
|
|
r += GET_RESULT(color[4], color[3], color[11], color[9]);
|
|
r += GET_RESULT(color[4], color[3], color[1], color[5]);
|
|
|
|
if (r > 0)
|
|
{
|
|
product1b = product2a = color[7];
|
|
product1a = product2b = INTERPOLATE(color[3], color[4]);
|
|
}
|
|
else if (r < 0)
|
|
{
|
|
product2b = product1a = color[3];
|
|
product1b = product2a = INTERPOLATE(color[3], color[4]);
|
|
}
|
|
else
|
|
{
|
|
product2b = product1a = color[3];
|
|
product1b = product2a = color[7];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
product2b = product1a = INTERPOLATE(color[7], color[4]);
|
|
product2b = Q_INTERPOLATE(color[8], color[8], color[8], product2b);
|
|
product1a = Q_INTERPOLATE(color[3], color[3], color[3], product1a);
|
|
|
|
product2a = product1b = INTERPOLATE(color[3], color[8]);
|
|
product2a = Q_INTERPOLATE(color[7], color[7], color[7], product2a);
|
|
product1b = Q_INTERPOLATE(color[4], color[4], color[4], product1b);
|
|
}
|
|
|
|
if (PixelsPerMask == 2)
|
|
{
|
|
if (ScummPCMode)
|
|
{
|
|
SWAP_WORD(product1a);
|
|
SWAP_WORD(product1b);
|
|
SWAP_WORD(product2a);
|
|
SWAP_WORD(product2b);
|
|
}
|
|
*((unsigned long *) (&dst_line[0][x * 4])) = (product1a << 16) | product1b;
|
|
*((unsigned long *) (&dst_line[1][x * 4])) = (product2a << 16) | product2b;
|
|
}
|
|
else
|
|
{
|
|
if (ScummPCMode)
|
|
{
|
|
SWAP_LONG(product1a);
|
|
SWAP_LONG(product1b);
|
|
SWAP_LONG(product2a);
|
|
SWAP_LONG(product2b);
|
|
}
|
|
*((unsigned long *) (&dst_line[0][x * 8])) = product1a;
|
|
*((unsigned long *) (&dst_line[0][x * 8 + 4])) = product1b;
|
|
*((unsigned long *) (&dst_line[1][x * 8])) = product2a;
|
|
*((unsigned long *) (&dst_line[1][x * 8 + 4])) = product2b;
|
|
}
|
|
|
|
/* Move color matrix forward */
|
|
color[0] = color[1];
|
|
color[2] = color[3]; color[3] = color[4]; color[4] = color[5];
|
|
color[6] = color[7]; color[7] = color[8]; color[8] = color[9];
|
|
color[10] = color[11];
|
|
|
|
if (src_x+x < BufferWidth - 2)
|
|
{
|
|
x += 2;
|
|
if (PixelsPerMask == 2)
|
|
{
|
|
color[1] = ScummColors16[ *(src_line[0] + x) ];
|
|
if (src_x+x < BufferWidth-1)
|
|
{
|
|
color[5] = ScummColors16[*(src_line[1]+x+1)];
|
|
color[9] = ScummColors16[*(src_line[2]+x+1)];
|
|
}
|
|
color[11] = ScummColors16[*(src_line[3]+x)];
|
|
}
|
|
else
|
|
{
|
|
color[1] = ScummColors[*(src_line[0]+x)];
|
|
if (src_x+x < BufferWidth-1)
|
|
{
|
|
color[5] = ScummColors[*(src_line[1]+x+1)];
|
|
color[9] = ScummColors[ *(src_line[2]+x+1)];
|
|
}
|
|
color[11] = ScummColors[*(src_line[3]+x)];
|
|
}
|
|
x -= 2;
|
|
}
|
|
}
|
|
|
|
/* We're done with one line, so we shift the source lines up */
|
|
src_line[0] = src_line[1];
|
|
src_line[1] = src_line[2];
|
|
src_line[2] = src_line[3];
|
|
|
|
/* Read next line */
|
|
if (src_y+y+3 >= BufferHeight)
|
|
src_line[3] = src_line[2];
|
|
else
|
|
src_line[3] = src_line[2] + BufferWidth;
|
|
|
|
/* Then shift the color matrix up */
|
|
if (PixelsPerMask == 2)
|
|
{
|
|
byte *sbp;
|
|
sbp = src_line[0];
|
|
color[0] = ScummColors16[*sbp]; color[1] = ScummColors16[*(sbp+1)];
|
|
sbp = src_line[1];
|
|
color[2] = ScummColors16[*sbp]; color[3] = color[2]; color[4] = ScummColors16[*(sbp+1)]; color[5] = ScummColors16[*(sbp+2)];
|
|
sbp = src_line[2];
|
|
color[6] = ScummColors16[*sbp]; color[7] = color[6]; color[8] = ScummColors16[*(sbp+1)]; color[9] = ScummColors16[*(sbp+2)];
|
|
sbp = src_line[3];
|
|
color[10] = ScummColors16[*sbp]; color[11] = ScummColors16[*(sbp+1)];
|
|
}
|
|
else
|
|
{
|
|
byte *lbp;
|
|
lbp = src_line[0];
|
|
color[0] = ScummColors[*lbp]; color[1] = ScummColors[*(lbp+1)];
|
|
lbp = src_line[1];
|
|
color[2] = ScummColors[*lbp]; color[3] = color[2]; color[4] = ScummColors[*(lbp+1)]; color[5] = ScummColors[*(lbp+2)];
|
|
lbp = src_line[2];
|
|
color[6] = ScummColors[*lbp]; color[7] = color[6]; color[8] = ScummColors[*(lbp+1)]; color[9] = ScummColors[*(lbp+2)];
|
|
lbp = src_line[3];
|
|
color[10] = ScummColors[*lbp]; color[11] = ScummColors[*(lbp+1)];
|
|
}
|
|
|
|
|
|
if (src_y + y < BufferHeight - 1)
|
|
{
|
|
dst_line[0] = dst_line[1]+dest_pitch;
|
|
dst_line[1] = dst_line[0]+dest_pitch;
|
|
}
|
|
}
|
|
}
|
|
|
|
void AdvMame2xScaler::Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height)
|
|
{
|
|
if (!handle)
|
|
return;
|
|
|
|
byte *src = (byte *)Buffer+src_y*BufferWidth+src_x;
|
|
|
|
src_line[0] = src;
|
|
src_line[1] = src;
|
|
src_line[2] = src + BufferWidth;
|
|
|
|
dst_line[0] = dest+dest_y*2*dest_pitch+dest_x*2*dest_bpp;
|
|
dst_line[1] = dst_line[0]+dest_pitch;
|
|
|
|
for (uint32 y = 0; y < height; y++)
|
|
{
|
|
for (uint32 x = 0; x < width; x++)
|
|
{
|
|
uint32 B, D, E, F, H;
|
|
|
|
if (PixelsPerMask == 2)
|
|
{
|
|
// short A = *(src + i - nextlineSrc - 1);
|
|
B = ScummColors16[src_line[0][x]];
|
|
// short C = *(src + i - nextlineSrc + 1);
|
|
D = ScummColors16[src_line[1][x-1]];
|
|
E = ScummColors16[src_line[1][x]];
|
|
F = ScummColors16[src_line[1][x+1]];
|
|
// short G = *(src + i + nextlineSrc - 1);
|
|
H = ScummColors16[src_line[2][x]];
|
|
// short I = *(src + i + nextlineSrc + 1);
|
|
}
|
|
else
|
|
{
|
|
// short A = *(src + i - nextlineSrc - 1);
|
|
B = ScummColors[src_line[0][x]];
|
|
// short C = *(src + i - nextlineSrc + 1);
|
|
D = ScummColors[src_line[1][x-1]];
|
|
E = ScummColors[src_line[1][x]];
|
|
F = ScummColors[src_line[1][x+1]];
|
|
// short G = *(src + i + nextlineSrc - 1);
|
|
H = ScummColors[src_line[2][x]];
|
|
// short I = *(src + i + nextlineSrc + 1);
|
|
}
|
|
|
|
|
|
if (PixelsPerMask == 2)
|
|
{
|
|
if (ScummPCMode)
|
|
{
|
|
SWAP_WORD(B);
|
|
SWAP_WORD(D);
|
|
SWAP_WORD(E);
|
|
SWAP_WORD(F);
|
|
SWAP_WORD(H);
|
|
}
|
|
*((unsigned long *) (&dst_line[0][x * 4])) = ((D == B && B != F && D != H ? D : E) << 16) | (B == F && B != D && F != H ? F : E);
|
|
*((unsigned long *) (&dst_line[1][x * 4])) = ((D == H && D != B && H != F ? D : E) << 16) | (H == F && D != H && B != F ? F : E);
|
|
}
|
|
else
|
|
{
|
|
if (ScummPCMode)
|
|
{
|
|
SWAP_LONG(B);
|
|
SWAP_LONG(D);
|
|
SWAP_LONG(E);
|
|
SWAP_LONG(F);
|
|
SWAP_LONG(H);
|
|
}
|
|
*((unsigned long *) (&dst_line[0][x * 8])) = D == B && B != F && D != H ? D : E;
|
|
*((unsigned long *) (&dst_line[0][x * 8 + 4])) = B == F && B != D && F != H ? F : E;
|
|
*((unsigned long *) (&dst_line[1][x * 8])) = D == H && D != B && H != F ? D : E;
|
|
*((unsigned long *) (&dst_line[1][x * 8 + 4])) = H == F && D != H && B != F ? F : E;
|
|
}
|
|
}
|
|
|
|
src_line[0] = src_line[1];
|
|
src_line[1] = src_line[2];
|
|
if (src_y+y+2 >= BufferHeight)
|
|
src_line[2] = src_line[1];
|
|
else
|
|
src_line[2] = src_line[1] + BufferWidth;
|
|
|
|
if (src_y+y < BufferHeight-1)
|
|
{
|
|
dst_line[0] = dst_line[1]+dest_pitch;
|
|
dst_line[1] = dst_line[0]+dest_pitch;
|
|
}
|
|
}
|
|
}
|
|
|
|
void PointScaler::Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height)
|
|
{
|
|
byte *src;
|
|
uint32 color;
|
|
uint32 r, g, b;
|
|
uint32 x, y;
|
|
|
|
if (!handle)
|
|
return;
|
|
|
|
src = (byte *)Buffer+src_y*BufferWidth+src_x;
|
|
|
|
dst_line[0] = dest+dest_y*2*dest_pitch+dest_x*2*dest_bpp;
|
|
dst_line[1] = dst_line[0]+dest_pitch;
|
|
|
|
for (y = 0; y < height; y++)
|
|
{
|
|
for (x = 0; x < width; x++)
|
|
{
|
|
r = (ScummColors[*(src+x)] >> 16) & 0xff;
|
|
g = (ScummColors[*(src+x)] >> 8) & 0xff;
|
|
b = ScummColors[*(src+x)] & 0xff;
|
|
|
|
color = MakeColor(dest_pixfmt, r, g, b);
|
|
if (PixelsPerMask == 2)
|
|
{
|
|
if (ScummPCMode)
|
|
SWAP_WORD(color);
|
|
|
|
*((unsigned long *) (&dst_line[0][x * 4])) = (color << 16) | color;
|
|
*((unsigned long *) (&dst_line[1][x * 4])) = (color << 16) | color;
|
|
}
|
|
else
|
|
{
|
|
if (ScummPCMode)
|
|
SWAP_LONG(color);
|
|
|
|
*((unsigned long *) (&dst_line[0][x * 8])) = color;
|
|
*((unsigned long *) (&dst_line[0][x * 8 + 4])) = color;
|
|
*((unsigned long *) (&dst_line[1][x * 8])) = color;
|
|
*((unsigned long *) (&dst_line[1][x * 8 + 4])) = color;
|
|
}
|
|
}
|
|
|
|
src += BufferWidth;
|
|
|
|
if (src_y+y < BufferHeight-1)
|
|
{
|
|
dst_line[0] = dst_line[1]+dest_pitch;
|
|
dst_line[1] = dst_line[0]+dest_pitch;
|
|
}
|
|
}
|
|
}
|
|
|
|
SCALERTYPE MorphOSScaler::FindByName(const char *ScalerName)
|
|
{
|
|
int scaler = 0;
|
|
|
|
while (ScummScalers[scaler].gs_Name)
|
|
{
|
|
if (!stricmp(ScalerName, ScummScalers[scaler].gs_Name))
|
|
return ScummScalers[scaler].gs_Type;
|
|
scaler++;
|
|
}
|
|
|
|
if (ScummScalers[scaler].gs_Name == NULL)
|
|
{
|
|
puts("Invalid scaler name. Please use one of the following:");
|
|
for (scaler = 0; ScummScalers[scaler].gs_Name != NULL; scaler++)
|
|
printf(" %s\n", ScummScalers[scaler].gs_Name);
|
|
}
|
|
|
|
return ST_INVALID;
|
|
}
|
|
|
|
SCALERTYPE MorphOSScaler::FindByIndex(int index)
|
|
{
|
|
if (index >= 0 && index < 10 && ScummScalers[index].gs_Name)
|
|
return ScummScalers[index].gs_Type;
|
|
|
|
return ST_INVALID;
|
|
}
|
|
|
|
const char *MorphOSScaler::GetParamName(SCALERTYPE type)
|
|
{
|
|
int scaler = 0;
|
|
|
|
while (ScummScalers[scaler].gs_Name)
|
|
{
|
|
if (ScummScalers[scaler].gs_Type == type)
|
|
return ScummScalers[scaler].gs_ParamName;
|
|
scaler++;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|