280 lines
6.3 KiB
C
280 lines
6.3 KiB
C
/*
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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 the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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xrdp: A Remote Desktop Protocol server.
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Copyright (C) Jay Sorg 2010
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freerdp wrapper
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*/
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#include "xrdp-freerdp.h"
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char* APP_CC
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convert_bitmap(int in_bpp, int out_bpp, char* bmpdata,
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int width, int height, int* palette)
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{
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char* out;
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char* src;
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char* dst;
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int i;
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int j;
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int red;
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int green;
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int blue;
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int pixel;
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if ((in_bpp == 8) && (out_bpp == 8))
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{
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out = (char*)g_malloc(width * height, 0);
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src = bmpdata;
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dst = out;
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for (i = 0; i < height; i++)
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{
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for (j = 0; j < width; j++)
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{
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pixel = *((tui8*)src);
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pixel = palette[pixel];
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SPLITCOLOR32(red, green, blue, pixel);
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pixel = COLOR8(red, green, blue);
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*dst = pixel;
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src++;
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dst++;
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}
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}
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return out;
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}
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if ((in_bpp == 8) && (out_bpp == 16))
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{
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out = (char*)g_malloc(width * height * 2, 0);
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src = bmpdata;
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dst = out;
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for (i = 0; i < height; i++)
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{
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for (j = 0; j < width; j++)
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{
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pixel = *((tui8*)src);
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pixel = palette[pixel];
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SPLITCOLOR32(red, green, blue, pixel);
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pixel = COLOR16(red, green, blue);
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*((tui16*)dst) = pixel;
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src++;
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dst += 2;
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}
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}
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return out;
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}
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if ((in_bpp == 8) && (out_bpp == 24))
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{
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out = (char*)g_malloc(width * height * 4, 0);
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src = bmpdata;
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dst = out;
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for (i = 0; i < height; i++)
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{
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for (j = 0; j < width; j++)
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{
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pixel = *((tui8*)src);
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pixel = palette[pixel];
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SPLITCOLOR32(red, green, blue, pixel);
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pixel = COLOR24RGB(red, green, blue);
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*((tui32*)dst) = pixel;
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src++;
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dst += 4;
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}
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}
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return out;
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}
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if ((in_bpp == 15) && (out_bpp == 16))
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{
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out = (char*)g_malloc(width * height * 2, 0);
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src = bmpdata;
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dst = out;
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for (i = 0; i < height; i++)
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{
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for (j = 0; j < width; j++)
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{
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pixel = *((tui16*)src);
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SPLITCOLOR15(red, green, blue, pixel);
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pixel = COLOR16(red, green, blue);
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*((tui16*)dst) = pixel;
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src += 2;
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dst += 2;
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}
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}
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return out;
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}
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if ((in_bpp == 15) && (out_bpp == 24))
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{
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out = (char*)g_malloc(width * height * 4, 0);
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src = bmpdata;
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dst = out;
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for (i = 0; i < height; i++)
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{
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for (j = 0; j < width; j++)
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{
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pixel = *((tui16*)src);
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SPLITCOLOR15(red, green, blue, pixel);
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pixel = COLOR24RGB(red, green, blue);
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*((tui32*)dst) = pixel;
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src += 2;
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dst += 4;
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}
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}
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return out;
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}
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if ((in_bpp == 16) && (out_bpp == 16))
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{
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return bmpdata;
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}
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if ((in_bpp == 16) && (out_bpp == 24))
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{
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out = (char*)g_malloc(width * height * 4, 0);
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src = bmpdata;
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dst = out;
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for (i = 0; i < height; i++)
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{
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for (j = 0; j < width; j++)
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{
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pixel = *((tui16*)src);
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SPLITCOLOR16(red, green, blue, pixel);
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pixel = COLOR24RGB(red, green, blue);
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*((tui32*)dst) = pixel;
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src += 2;
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dst += 4;
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}
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}
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return out;
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}
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if ((in_bpp == 24) && (out_bpp == 24))
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{
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out = (char*)g_malloc(width * height * 4, 0);
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src = bmpdata;
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dst = out;
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for (i = 0; i < height; i++)
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{
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for (j = 0; j < width; j++)
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{
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blue = *((tui8*)src);
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src++;
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green = *((tui8*)src);
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src++;
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red = *((tui8*)src);
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src++;
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pixel = COLOR24RGB(red, green, blue);
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*((tui32*)dst) = pixel;
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dst += 4;
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}
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}
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return out;
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}
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if ((in_bpp == 32) && (out_bpp == 24))
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{
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return bmpdata;
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}
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if ((in_bpp == 32) && (out_bpp == 32))
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{
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return bmpdata;
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}
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if ((in_bpp == 15) && (out_bpp == 15))
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{
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return bmpdata;
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}
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g_writeln("convert_bitmap: error unknown conversion from %d to %d",
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in_bpp, out_bpp);
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return 0;
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}
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/*****************************************************************************/
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/* returns color or 0 */
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int APP_CC
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convert_color(int in_bpp, int out_bpp, int in_color, int* palette)
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{
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int pixel;
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int red;
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int green;
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int blue;
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if ((in_bpp == 1) && (out_bpp == 24))
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{
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pixel = in_color == 0 ? 0 : 0xffffff;
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return pixel;
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}
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if ((in_bpp == 8) && (out_bpp == 8))
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{
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pixel = palette[in_color];
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SPLITCOLOR32(red, green, blue, pixel);
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pixel = COLOR8(red, green, blue);
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return pixel;
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}
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if ((in_bpp == 8) && (out_bpp == 16))
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{
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pixel = palette[in_color];
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SPLITCOLOR32(red, green, blue, pixel);
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pixel = COLOR16(red, green, blue);
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return pixel;
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}
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if ((in_bpp == 8) && (out_bpp == 24))
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{
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pixel = palette[in_color];
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SPLITCOLOR32(red, green, blue, pixel);
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pixel = COLOR24BGR(red, green, blue);
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return pixel;
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}
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if ((in_bpp == 15) && (out_bpp == 16))
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{
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pixel = in_color;
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SPLITCOLOR15(red, green, blue, pixel);
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pixel = COLOR16(red, green, blue);
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return pixel;
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}
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if ((in_bpp == 15) && (out_bpp == 24))
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{
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pixel = in_color;
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SPLITCOLOR15(red, green, blue, pixel);
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pixel = COLOR24BGR(red, green, blue);
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return pixel;
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}
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if ((in_bpp == 16) && (out_bpp == 16))
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{
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return in_color;
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}
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if ((in_bpp == 16) && (out_bpp == 24))
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{
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pixel = in_color;
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SPLITCOLOR16(red, green, blue, pixel);
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pixel = COLOR24BGR(red, green, blue);
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return pixel;
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}
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if ((in_bpp == 24) && (out_bpp == 24))
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{
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return in_color;
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}
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if ((in_bpp == 32) && (out_bpp == 24))
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{
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return in_color;
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}
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if ((in_bpp == 32) && (out_bpp == 32))
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{
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return in_color;
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}
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if ((in_bpp == 15) && (out_bpp == 15))
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{
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return in_color;
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}
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g_writeln("convert_color: error unknown conversion from %d to %d",
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in_bpp, out_bpp);
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return 0;
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}
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