You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
xrdp-proprietary/freerdp/xrdp-color.c

272 lines
6.2 KiB

/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
xrdp: A Remote Desktop Protocol server.
Copyright (C) Jay Sorg 2010
freerdp wrapper
*/
#include "xrdp-freerdp.h"
char* APP_CC
convert_bitmap(int in_bpp, int out_bpp, char* bmpdata,
int width, int height, int* palette)
{
char* out;
char* src;
char* dst;
int i;
int j;
int red;
int green;
int blue;
int pixel;
if ((in_bpp == 8) && (out_bpp == 8))
{
out = (char*)g_malloc(width * height, 0);
src = bmpdata;
dst = out;
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
pixel = *((tui8*)src);
pixel = palette[pixel];
SPLITCOLOR32(red, green, blue, pixel);
pixel = COLOR8(red, green, blue);
*dst = pixel;
src++;
dst++;
}
}
return out;
}
if ((in_bpp == 8) && (out_bpp == 16))
{
out = (char*)g_malloc(width * height * 2, 0);
src = bmpdata;
dst = out;
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
pixel = *((tui8*)src);
pixel = palette[pixel];
SPLITCOLOR32(red, green, blue, pixel);
pixel = COLOR16(red, green, blue);
*((tui16*)dst) = pixel;
src++;
dst += 2;
}
}
return out;
}
if ((in_bpp == 8) && (out_bpp == 24))
{
out = (char*)g_malloc(width * height * 4, 0);
src = bmpdata;
dst = out;
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
pixel = *((tui8*)src);
pixel = palette[pixel];
SPLITCOLOR32(red, green, blue, pixel);
pixel = COLOR24RGB(red, green, blue);
*((tui32*)dst) = pixel;
src++;
dst += 4;
}
}
return out;
}
if ((in_bpp == 15) && (out_bpp == 16))
{
out = (char*)g_malloc(width * height * 2, 0);
src = bmpdata;
dst = out;
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
pixel = *((tui16*)src);
SPLITCOLOR15(red, green, blue, pixel);
pixel = COLOR16(red, green, blue);
*((tui16*)dst) = pixel;
src += 2;
dst += 2;
}
}
return out;
}
if ((in_bpp == 15) && (out_bpp == 24))
{
out = (char*)g_malloc(width * height * 4, 0);
src = bmpdata;
dst = out;
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
pixel = *((tui16*)src);
SPLITCOLOR15(red, green, blue, pixel);
pixel = COLOR24RGB(red, green, blue);
*((tui32*)dst) = pixel;
src += 2;
dst += 4;
}
}
return out;
}
if ((in_bpp == 16) && (out_bpp == 16))
{
return bmpdata;
}
if ((in_bpp == 16) && (out_bpp == 24))
{
out = (char*)g_malloc(width * height * 4, 0);
src = bmpdata;
dst = out;
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
pixel = *((tui16*)src);
SPLITCOLOR16(red, green, blue, pixel);
pixel = COLOR24RGB(red, green, blue);
*((tui32*)dst) = pixel;
src += 2;
dst += 4;
}
}
return out;
}
if ((in_bpp == 24) && (out_bpp == 24))
{
out = (char*)g_malloc(width * height * 4, 0);
src = bmpdata;
dst = out;
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
blue = *((tui8*)src);
src++;
green = *((tui8*)src);
src++;
red = *((tui8*)src);
src++;
pixel = COLOR24RGB(red, green, blue);
*((tui32*)dst) = pixel;
dst += 4;
}
}
return out;
}
if ((in_bpp == 32) && (out_bpp == 24))
{
return bmpdata;
}
if ((in_bpp == 32) && (out_bpp == 32))
{
return bmpdata;
}
g_writeln("convert_bitmap: error unknown conversion from %d to %d",
in_bpp, out_bpp);
return 0;
}
/*****************************************************************************/
/* returns color or 0 */
int APP_CC
convert_color(int in_bpp, int out_bpp, int in_color, int* palette)
{
int pixel;
int red;
int green;
int blue;
if ((in_bpp == 1) && (out_bpp == 24))
{
pixel = in_color == 0 ? 0 : 0xffffff;
return pixel;
}
if ((in_bpp == 8) && (out_bpp == 8))
{
pixel = palette[in_color];
SPLITCOLOR32(red, green, blue, pixel);
pixel = COLOR8(red, green, blue);
return pixel;
}
if ((in_bpp == 8) && (out_bpp == 16))
{
pixel = palette[in_color];
SPLITCOLOR32(red, green, blue, pixel);
pixel = COLOR16(red, green, blue);
return pixel;
}
if ((in_bpp == 8) && (out_bpp == 24))
{
pixel = palette[in_color];
SPLITCOLOR32(red, green, blue, pixel);
pixel = COLOR24BGR(red, green, blue);
return pixel;
}
if ((in_bpp == 15) && (out_bpp == 16))
{
pixel = in_color;
SPLITCOLOR15(red, green, blue, pixel);
pixel = COLOR16(red, green, blue);
return pixel;
}
if ((in_bpp == 15) && (out_bpp == 24))
{
pixel = in_color;
SPLITCOLOR15(red, green, blue, pixel);
pixel = COLOR24BGR(red, green, blue);
return pixel;
}
if ((in_bpp == 16) && (out_bpp == 16))
{
return in_color;
}
if ((in_bpp == 16) && (out_bpp == 24))
{
pixel = in_color;
SPLITCOLOR16(red, green, blue, pixel);
pixel = COLOR24BGR(red, green, blue);
return pixel;
}
if ((in_bpp == 24) && (out_bpp == 24))
{
return in_color;
}
if ((in_bpp == 32) && (out_bpp == 24))
{
return in_color;
}
if ((in_bpp == 32) && (out_bpp == 32))
{
return in_color;
}
g_writeln("convert_color: error unknown conversion from %d to %d",
in_bpp, out_bpp);
return 0;
}