314 lines
7.2 KiB
C
314 lines
7.2 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Server
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* freerdp wrapper
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*
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* Copyright 2011-2012 Jay Sorg
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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 == 15) && (out_bpp == 15))
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{
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return bmpdata;
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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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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 == 15) && (out_bpp == 15))
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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 == 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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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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