1174 lines
24 KiB
C
1174 lines
24 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Color Conversion Routines
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*
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* Copyright 2010 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <winpr/crt.h>
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#include <freerdp/api.h>
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#include <freerdp/freerdp.h>
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#include <freerdp/codec/color.h>
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int freerdp_get_pixel(BYTE* data, int x, int y, int width, int height, int bpp)
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{
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int start;
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int shift;
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UINT16* src16;
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UINT32* src32;
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int red, green, blue;
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switch (bpp)
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{
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case 1:
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width = (width + 7) / 8;
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start = (y * width) + x / 8;
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shift = x % 8;
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return (data[start] & (0x80 >> shift)) != 0;
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case 8:
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return data[y * width + x];
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case 15:
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case 16:
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src16 = (UINT16*) data;
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return src16[y * width + x];
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case 24:
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data += y * width * 3;
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data += x * 3;
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red = data[0];
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green = data[1];
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blue = data[2];
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return RGB24(red, green, blue);
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case 32:
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src32 = (UINT32*) data;
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return src32[y * width + x];
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default:
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break;
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}
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return 0;
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}
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void freerdp_set_pixel(BYTE* data, int x, int y, int width, int height, int bpp, int pixel)
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{
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int start;
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int shift;
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int *dst32;
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if (bpp == 1)
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{
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width = (width + 7) / 8;
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start = (y * width) + x / 8;
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shift = x % 8;
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if (pixel)
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data[start] = data[start] | (0x80 >> shift);
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else
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data[start] = data[start] & ~(0x80 >> shift);
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}
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else if (bpp == 32)
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{
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dst32 = (int*) data;
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dst32[y * width + x] = pixel;
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}
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}
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static INLINE void freerdp_color_split_rgb(UINT32* color, int bpp, BYTE* red, BYTE* green, BYTE* blue, BYTE* alpha, HCLRCONV clrconv)
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{
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*red = *green = *blue = 0;
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*alpha = (clrconv->alpha) ? 0xFF : 0x00;
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switch (bpp)
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{
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case 32:
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if (clrconv->alpha)
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{
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GetARGB32(*alpha, *red, *green, *blue, *color);
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}
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else
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{
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GetRGB32(*red, *green, *blue, *color);
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}
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break;
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case 24:
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GetRGB24(*red, *green, *blue, *color);
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break;
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case 16:
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GetRGB16(*red, *green, *blue, *color);
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break;
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case 15:
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GetRGB15(*red, *green, *blue, *color);
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break;
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case 8:
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*color &= 0xFF;
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*red = clrconv->palette->entries[*color].red;
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*green = clrconv->palette->entries[*color].green;
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*blue = clrconv->palette->entries[*color].blue;
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break;
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case 1:
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if (*color != 0)
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{
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*red = 0xFF;
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*green = 0xFF;
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*blue = 0xFF;
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}
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break;
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default:
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break;
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}
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}
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static INLINE void freerdp_color_split_bgr(UINT32* color, int bpp, BYTE* red, BYTE* green, BYTE* blue, BYTE* alpha, HCLRCONV clrconv)
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{
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*red = *green = *blue = 0;
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*alpha = (clrconv->alpha) ? 0xFF : 0x00;
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switch (bpp)
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{
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case 32:
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if (clrconv->alpha)
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{
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GetABGR32(*alpha, *red, *green, *blue, *color);
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}
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else
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{
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GetBGR32(*red, *green, *blue, *color);
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}
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break;
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case 24:
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GetBGR24(*red, *green, *blue, *color);
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break;
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case 16:
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GetBGR16(*red, *green, *blue, *color);
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break;
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case 15:
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GetBGR15(*red, *green, *blue, *color);
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break;
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case 8:
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*color &= 0xFF;
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*red = clrconv->palette->entries[*color].red;
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*green = clrconv->palette->entries[*color].green;
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*blue = clrconv->palette->entries[*color].blue;
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break;
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case 1:
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if (*color != 0)
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{
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*red = 0xFF;
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*green = 0xFF;
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*blue = 0xFF;
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}
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break;
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default:
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break;
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}
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}
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static INLINE void freerdp_color_make_rgb(UINT32* color, int bpp, BYTE* red, BYTE* green, BYTE* blue, BYTE* alpha, HCLRCONV clrconv)
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{
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switch (bpp)
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{
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case 32:
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*color = ARGB32(*alpha, *red, *green, *blue);
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break;
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case 24:
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*color = RGB24(*red, *green, *blue);
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break;
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case 16:
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if (clrconv->rgb555)
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{
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*color = RGB15(*red, *green, *blue);
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}
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else
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{
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*color = RGB16(*red, *green, *blue);
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}
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break;
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case 15:
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*color = RGB15(*red, *green, *blue);
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break;
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case 8:
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*color = RGB24(*red, *green, *blue);
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break;
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case 1:
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if ((*red != 0) || (*green != 0) || (*blue != 0))
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*color = 1;
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break;
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default:
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break;
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}
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}
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static INLINE void freerdp_color_make_bgr(UINT32* color, int bpp, BYTE* red, BYTE* green, BYTE* blue, BYTE* alpha, HCLRCONV clrconv)
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{
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switch (bpp)
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{
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case 32:
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*color = ABGR32(*alpha, *red, *green, *blue);
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break;
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case 24:
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*color = BGR24(*red, *green, *blue);
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break;
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case 16:
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if (clrconv->rgb555)
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{
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*color = BGR15(*red, *green, *blue);
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}
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else
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{
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*color = BGR16(*red, *green, *blue);
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}
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break;
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case 15:
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*color = BGR15(*red, *green, *blue);
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break;
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case 8:
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*color = BGR24(*red, *green, *blue);
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break;
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case 1:
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if ((*red != 0) || (*green != 0) || (*blue != 0))
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*color = 1;
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break;
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default:
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break;
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}
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}
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UINT32 freerdp_color_convert_rgb(UINT32 srcColor, int srcBpp, int dstBpp, HCLRCONV clrconv)
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{
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BYTE red = 0;
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BYTE green = 0;
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BYTE blue = 0;
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BYTE alpha = 0xFF;
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UINT32 dstColor = 0;
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freerdp_color_split_rgb(&srcColor, srcBpp, &red, &green, &blue, &alpha, clrconv);
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freerdp_color_make_rgb(&dstColor, dstBpp, &red, &green, &blue, &alpha, clrconv);
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return dstColor;
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}
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UINT32 freerdp_color_convert_bgr(UINT32 srcColor, int srcBpp, int dstBpp, HCLRCONV clrconv)
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{
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BYTE red = 0;
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BYTE green = 0;
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BYTE blue = 0;
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BYTE alpha = 0xFF;
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UINT32 dstColor = 0;
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freerdp_color_split_bgr(&srcColor, srcBpp, &red, &green, &blue, &alpha, clrconv);
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freerdp_color_make_bgr(&dstColor, dstBpp, &red, &green, &blue, &alpha, clrconv);
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return dstColor;
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}
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UINT32 freerdp_color_convert_rgb_bgr(UINT32 srcColor, int srcBpp, int dstBpp, HCLRCONV clrconv)
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{
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BYTE red = 0;
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BYTE green = 0;
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BYTE blue = 0;
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BYTE alpha = 0xFF;
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UINT32 dstColor = 0;
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freerdp_color_split_rgb(&srcColor, srcBpp, &red, &green, &blue, &alpha, clrconv);
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freerdp_color_make_bgr(&dstColor, dstBpp, &red, &green, &blue, &alpha, clrconv);
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return dstColor;
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}
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UINT32 freerdp_color_convert_bgr_rgb(UINT32 srcColor, int srcBpp, int dstBpp, HCLRCONV clrconv)
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{
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BYTE red = 0;
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BYTE green = 0;
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BYTE blue = 0;
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BYTE alpha = 0xFF;
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UINT32 dstColor = 0;
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freerdp_color_split_bgr(&srcColor, srcBpp, &red, &green, &blue, &alpha, clrconv);
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freerdp_color_make_rgb(&dstColor, dstBpp, &red, &green, &blue, &alpha, clrconv);
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return dstColor;
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}
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UINT32 freerdp_color_convert_var(UINT32 srcColor, int srcBpp, int dstBpp, HCLRCONV clrconv)
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{
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if (clrconv->invert)
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return freerdp_color_convert_var_bgr(srcColor, srcBpp, dstBpp, clrconv);
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else
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return freerdp_color_convert_var_rgb(srcColor, srcBpp, dstBpp, clrconv);
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}
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UINT32 freerdp_color_convert_var_rgb(UINT32 srcColor, int srcBpp, int dstBpp, HCLRCONV clrconv)
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{
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if (srcBpp == 8)
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{
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BYTE alpha = 0xFF;
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UINT32 dstColor = 0;
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PALETTE_ENTRY* entry = &clrconv->palette->entries[srcColor & 0xFF];
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freerdp_color_make_bgr(&dstColor, dstBpp, &entry->red, &entry->green, &entry->blue, &alpha, clrconv);
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return dstColor;
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}
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if (srcBpp > 16)
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return freerdp_color_convert_bgr_rgb(srcColor, srcBpp, dstBpp, clrconv);
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else
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return freerdp_color_convert_rgb(srcColor, srcBpp, dstBpp, clrconv);
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}
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UINT32 freerdp_color_convert_var_bgr(UINT32 srcColor, int srcBpp, int dstBpp, HCLRCONV clrconv)
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{
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if (srcBpp == 8)
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{
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BYTE alpha = 0xFF;
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UINT32 dstColor = 0;
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PALETTE_ENTRY* entry = &clrconv->palette->entries[srcColor & 0xFF];
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freerdp_color_make_rgb(&dstColor, dstBpp, &entry->red, &entry->green, &entry->blue, &alpha, clrconv);
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return dstColor;
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}
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if (srcBpp > 16)
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return freerdp_color_convert_bgr(srcColor, srcBpp, dstBpp, clrconv);
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else
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return freerdp_color_convert_rgb_bgr(srcColor, srcBpp, dstBpp, clrconv);
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}
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BYTE* freerdp_image_convert_8bpp(BYTE* srcData, BYTE* dstData, int width, int height, int srcBpp, int dstBpp, HCLRCONV clrconv)
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{
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int i;
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BYTE red;
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BYTE green;
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BYTE blue;
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UINT32 pixel;
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BYTE *src8;
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UINT16 *dst16;
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UINT32 *dst32;
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if (dstBpp == 8)
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{
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if (dstData == NULL)
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dstData = (BYTE*) malloc(width * height);
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memcpy(dstData, srcData, width * height);
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return dstData;
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}
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else if (dstBpp == 15 || (dstBpp == 16 && clrconv->rgb555))
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{
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if (dstData == NULL)
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dstData = (BYTE*) malloc(width * height * 2);
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dst16 = (UINT16 *) dstData;
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for (i = width * height; i > 0; i--)
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{
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pixel = *srcData;
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srcData++;
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red = clrconv->palette->entries[pixel].red;
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green = clrconv->palette->entries[pixel].green;
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blue = clrconv->palette->entries[pixel].blue;
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pixel = (clrconv->invert) ? BGR15(red, green, blue) : RGB15(red, green, blue);
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*dst16 = pixel;
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dst16++;
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}
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return dstData;
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}
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else if (dstBpp == 16)
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{
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if (dstData == NULL)
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dstData = (BYTE*) malloc(width * height * 2);
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dst16 = (UINT16 *) dstData;
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for (i = width * height; i > 0; i--)
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{
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pixel = *srcData;
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srcData++;
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red = clrconv->palette->entries[pixel].red;
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green = clrconv->palette->entries[pixel].green;
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blue = clrconv->palette->entries[pixel].blue;
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pixel = (clrconv->invert) ? BGR16(red, green, blue) : RGB16(red, green, blue);
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*dst16 = pixel;
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dst16++;
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}
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return dstData;
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}
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else if (dstBpp == 32)
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{
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if (dstData == NULL)
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dstData = (BYTE*) malloc(width * height * 4);
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src8 = (BYTE*) srcData;
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dst32 = (UINT32*) dstData;
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for (i = width * height; i > 0; i--)
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{
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pixel = *src8;
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src8++;
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red = clrconv->palette->entries[pixel].red;
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green = clrconv->palette->entries[pixel].green;
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blue = clrconv->palette->entries[pixel].blue;
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if (clrconv->alpha)
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{
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pixel = (clrconv->invert) ? ARGB32(0xFF, red, green, blue) : ABGR32(0xFF, red, green, blue);
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}
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else
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{
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pixel = (clrconv->invert) ? RGB32(red, green, blue) : BGR32(red, green, blue);
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}
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*dst32 = pixel;
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dst32++;
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}
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return dstData;
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}
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return srcData;
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}
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BYTE* freerdp_image_convert_15bpp(BYTE* srcData, BYTE* dstData, int width, int height, int srcBpp, int dstBpp, HCLRCONV clrconv)
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{
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int i;
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BYTE red;
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BYTE green;
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BYTE blue;
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UINT32 pixel;
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UINT16 *src16;
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UINT16 *dst16;
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UINT32 *dst32;
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if (dstBpp == 15 || (dstBpp == 16 && clrconv->rgb555))
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{
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if (dstData == NULL)
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dstData = (BYTE*) malloc(width * height * 2);
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memcpy(dstData, srcData, width * height * 2);
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return dstData;
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}
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else if (dstBpp == 32)
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{
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if (dstData == NULL)
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dstData = (BYTE*) malloc(width * height * 4);
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src16 = (UINT16 *) srcData;
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dst32 = (UINT32 *) dstData;
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for (i = width * height; i > 0; i--)
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{
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pixel = *src16;
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src16++;
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GetBGR15(red, green, blue, pixel);
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if (clrconv->alpha)
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{
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pixel = (clrconv->invert) ? ARGB32(0xFF, red, green, blue) : ABGR32(0xFF, red, green, blue);
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}
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else
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{
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pixel = (clrconv->invert) ? RGB32(red, green, blue) : BGR32(red, green, blue);
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}
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*dst32 = pixel;
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dst32++;
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}
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return dstData;
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}
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else if (dstBpp == 16)
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{
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if (dstData == NULL)
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dstData = (BYTE*) malloc(width * height * 2);
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src16 = (UINT16 *) srcData;
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dst16 = (UINT16 *) dstData;
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for (i = width * height; i > 0; i--)
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{
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pixel = *src16;
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src16++;
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GetRGB_555(red, green, blue, pixel);
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RGB_555_565(red, green, blue);
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pixel = (clrconv->invert) ? BGR565(red, green, blue) : RGB565(red, green, blue);
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*dst16 = pixel;
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dst16++;
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}
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return dstData;
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}
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return srcData;
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}
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|
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BYTE* freerdp_image_convert_16bpp(BYTE* srcData, BYTE* dstData, int width, int height, int srcBpp, int dstBpp, HCLRCONV clrconv)
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{
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if (srcBpp == 15)
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return freerdp_image_convert_15bpp(srcData, dstData, width, height, srcBpp, dstBpp, clrconv);
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|
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if (dstBpp == 16)
|
|
{
|
|
if (dstData == NULL)
|
|
dstData = (BYTE*) malloc(width * height * 2);
|
|
|
|
if (clrconv->rgb555)
|
|
{
|
|
int i;
|
|
BYTE red, green, blue;
|
|
UINT16* src16 = (UINT16 *) srcData;
|
|
UINT16* dst16 = (UINT16 *) dstData;
|
|
|
|
for (i = width * height; i > 0; i--)
|
|
{
|
|
GetRGB_565(red, green, blue, (*src16));
|
|
RGB_565_555(red, green, blue);
|
|
(*dst16) = (clrconv->invert) ? BGR555(red, green, blue) : RGB555(red, green, blue);
|
|
src16++;
|
|
dst16++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
memcpy(dstData, srcData, width * height * 2);
|
|
}
|
|
|
|
return dstData;
|
|
}
|
|
else if (dstBpp == 24)
|
|
{
|
|
int i;
|
|
BYTE *dst8;
|
|
UINT16 *src16;
|
|
BYTE red, green, blue;
|
|
|
|
if (dstData == NULL)
|
|
dstData = (BYTE*) malloc(width * height * 3);
|
|
|
|
dst8 = (BYTE*) dstData;
|
|
src16 = (UINT16*) srcData;
|
|
|
|
for (i = width * height; i > 0; i--)
|
|
{
|
|
GetBGR16(red, green, blue, *src16);
|
|
src16++;
|
|
|
|
if (clrconv->invert)
|
|
{
|
|
*dst8++ = blue;
|
|
*dst8++ = green;
|
|
*dst8++ = red;
|
|
}
|
|
else
|
|
{
|
|
*dst8++ = red;
|
|
*dst8++ = green;
|
|
*dst8++ = blue;
|
|
}
|
|
}
|
|
return dstData;
|
|
}
|
|
else if (dstBpp == 32)
|
|
{
|
|
int i;
|
|
UINT32 pixel;
|
|
UINT16* src16;
|
|
UINT32* dst32;
|
|
BYTE red, green, blue;
|
|
|
|
if (dstData == NULL)
|
|
dstData = (BYTE*) malloc(width * height * 4);
|
|
|
|
src16 = (UINT16*) srcData;
|
|
dst32 = (UINT32*) dstData;
|
|
|
|
if (clrconv->alpha)
|
|
{
|
|
if (clrconv->invert)
|
|
{
|
|
for (i = width * height; i > 0; i--)
|
|
{
|
|
pixel = *src16;
|
|
src16++;
|
|
GetBGR16(red, green, blue, pixel);
|
|
pixel = ARGB32(0xFF, red, green, blue);
|
|
*dst32 = pixel;
|
|
dst32++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i = width * height; i > 0; i--)
|
|
{
|
|
pixel = *src16;
|
|
src16++;
|
|
GetBGR16(red, green, blue, pixel);
|
|
pixel = ABGR32(0xFF, red, green, blue);
|
|
*dst32 = pixel;
|
|
dst32++;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (clrconv->invert)
|
|
{
|
|
for (i = width * height; i > 0; i--)
|
|
{
|
|
pixel = *src16;
|
|
src16++;
|
|
GetBGR16(red, green, blue, pixel);
|
|
pixel = RGB32(red, green, blue);
|
|
*dst32 = pixel;
|
|
dst32++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i = width * height; i > 0; i--)
|
|
{
|
|
pixel = *src16;
|
|
src16++;
|
|
GetBGR16(red, green, blue, pixel);
|
|
pixel = BGR32(red, green, blue);
|
|
*dst32 = pixel;
|
|
dst32++;
|
|
}
|
|
}
|
|
}
|
|
|
|
return dstData;
|
|
}
|
|
|
|
return srcData;
|
|
}
|
|
|
|
BYTE* freerdp_image_convert_24bpp(BYTE* srcData, BYTE* dstData, int width, int height, int srcBpp, int dstBpp, HCLRCONV clrconv)
|
|
{
|
|
int i;
|
|
|
|
if (dstBpp == 32)
|
|
{
|
|
BYTE *dstp;
|
|
if (dstData == NULL)
|
|
dstData = (BYTE*) malloc(width * height * 4);
|
|
|
|
dstp = dstData;
|
|
for (i = width * height; i > 0; i--)
|
|
{
|
|
*(dstp++) = *(srcData++);
|
|
*(dstp++) = *(srcData++);
|
|
*(dstp++) = *(srcData++);
|
|
*(dstp++) = 0xFF;
|
|
}
|
|
return dstData;
|
|
}
|
|
|
|
return srcData;
|
|
}
|
|
|
|
BYTE* freerdp_image_convert_32bpp(BYTE* srcData, BYTE* dstData, int width, int height, int srcBpp, int dstBpp, HCLRCONV clrconv)
|
|
{
|
|
if (dstBpp == 16)
|
|
{
|
|
int index;
|
|
UINT16 *dst16;
|
|
UINT32 *src32;
|
|
BYTE red, green, blue;
|
|
|
|
if (dstData == NULL)
|
|
dstData = (BYTE*) malloc(width * height * 2);
|
|
|
|
dst16 = (UINT16*) dstData;
|
|
src32 = (UINT32*) srcData;
|
|
|
|
for (index = 0; index < width * height; index++)
|
|
{
|
|
GetBGR32(blue, green, red, *src32);
|
|
*dst16 = (clrconv->invert) ? BGR16(red, green, blue) : RGB16(red, green, blue);
|
|
src32++;
|
|
dst16++;
|
|
}
|
|
return dstData;
|
|
}
|
|
else if (dstBpp == 24)
|
|
{
|
|
BYTE *dstp;
|
|
int index;
|
|
BYTE red, green, blue;
|
|
|
|
if (dstData == NULL)
|
|
dstData = (BYTE*) malloc(width * height * 3);
|
|
|
|
dstp = dstData;
|
|
for (index = 0; index < width * height; index++)
|
|
{
|
|
red = *(srcData++);
|
|
green = *(srcData++);
|
|
blue = *(srcData++);
|
|
|
|
if (clrconv->invert)
|
|
{
|
|
*dstp++ = blue;
|
|
*dstp++ = green;
|
|
*dstp++ = red;
|
|
}
|
|
else
|
|
{
|
|
*dstp++ = red;
|
|
*dstp++ = green;
|
|
*dstp++ = blue;
|
|
}
|
|
|
|
srcData++;
|
|
}
|
|
return dstData;
|
|
}
|
|
else if (dstBpp == 32)
|
|
{
|
|
if (clrconv->alpha)
|
|
{
|
|
int x, y;
|
|
BYTE *dstp;
|
|
|
|
if (dstData == NULL)
|
|
dstData = (BYTE*) malloc(width * height * 4);
|
|
|
|
memcpy(dstData, srcData, width * height * 4);
|
|
|
|
dstp = dstData;
|
|
for (y = 0; y < height; y++)
|
|
{
|
|
for (x = 0; x < width * 4; x += 4)
|
|
{
|
|
dstp += 3;
|
|
*dstp = 0xFF;
|
|
dstp++;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (dstData == NULL)
|
|
dstData = (BYTE*) malloc(width * height * 4);
|
|
|
|
memcpy(dstData, srcData, width * height * 4);
|
|
}
|
|
|
|
return dstData;
|
|
}
|
|
|
|
return srcData;
|
|
}
|
|
|
|
p_freerdp_image_convert freerdp_image_convert_[5] =
|
|
{
|
|
NULL,
|
|
freerdp_image_convert_8bpp,
|
|
freerdp_image_convert_16bpp,
|
|
freerdp_image_convert_24bpp,
|
|
freerdp_image_convert_32bpp
|
|
};
|
|
|
|
BYTE* freerdp_image_convert(BYTE* srcData, BYTE* dstData, int width, int height, int srcBpp, int dstBpp, HCLRCONV clrconv)
|
|
{
|
|
p_freerdp_image_convert _p_freerdp_image_convert = freerdp_image_convert_[IBPP(srcBpp)];
|
|
|
|
if (_p_freerdp_image_convert != NULL)
|
|
return _p_freerdp_image_convert(srcData, dstData, width, height, srcBpp, dstBpp, clrconv);
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
void freerdp_bitmap_flip(BYTE * src, BYTE * dst, int scanLineSz, int height)
|
|
{
|
|
int i;
|
|
|
|
BYTE * bottomLine = dst + (scanLineSz * (height - 1));
|
|
BYTE * topLine = src;
|
|
|
|
/* Special processing if called for flip-in-place. */
|
|
if (src == dst)
|
|
{
|
|
/* Allocate a scanline buffer.
|
|
* (FIXME: malloc / xfree below should be replaced by "get/put
|
|
* scanline buffer from a pool/Q of fixed buffers" to reuse
|
|
* fixed size buffers (of max scanline size (or adaptative?) )
|
|
* -- would be much faster).
|
|
*/
|
|
BYTE * tmpBfr = malloc(scanLineSz);
|
|
int half = height / 2;
|
|
/* Flip buffer in place by line permutations through the temp
|
|
* scan line buffer.
|
|
* Note that if height has an odd number of line, we don't need
|
|
* to move the center scanline anyway.
|
|
* Also note that in place flipping takes three memcpy() calls
|
|
* to process two scanlines while src to distinct dest would
|
|
* only requires two memcpy() calls for two scanlines.
|
|
*/
|
|
height--;
|
|
for (i = 0; i < half ; i++)
|
|
{
|
|
memcpy(tmpBfr, topLine, scanLineSz);
|
|
memcpy(topLine, bottomLine, scanLineSz);
|
|
memcpy(bottomLine, tmpBfr, scanLineSz);
|
|
topLine += scanLineSz;
|
|
bottomLine -= scanLineSz;
|
|
height--;
|
|
}
|
|
free(tmpBfr);
|
|
}
|
|
/* Flip from source buffer to destination buffer. */
|
|
else
|
|
{
|
|
|
|
for (i = 0; i < height; i++)
|
|
{
|
|
memcpy(bottomLine, topLine, scanLineSz);
|
|
topLine += scanLineSz;
|
|
bottomLine -= scanLineSz;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
BYTE* freerdp_image_flip(BYTE* srcData, BYTE* dstData, int width, int height, int bpp)
|
|
{
|
|
int scanline;
|
|
|
|
scanline = width * ((bpp + 7) / 8);
|
|
|
|
if (dstData == NULL)
|
|
dstData = (BYTE*) malloc(width * height * ((bpp + 7) / 8));
|
|
|
|
freerdp_bitmap_flip(srcData, dstData, scanline, height);
|
|
return dstData;
|
|
}
|
|
|
|
BYTE* freerdp_icon_convert(BYTE* srcData, BYTE* dstData, BYTE* mask, int width, int height, int bpp, HCLRCONV clrconv)
|
|
{
|
|
BYTE* data;
|
|
BYTE bmask;
|
|
UINT32* icon;
|
|
int x, y, bit;
|
|
int maskIndex;
|
|
|
|
if (bpp == 16)
|
|
{
|
|
/* Server sends 16 bpp field, but data is usually 15-bit 555 */
|
|
bpp = 15;
|
|
}
|
|
|
|
data = freerdp_image_flip(srcData, dstData, width, height, bpp);
|
|
dstData = freerdp_image_convert(data, NULL, width, height, bpp, 32, clrconv);
|
|
free(data);
|
|
|
|
/* Read the AND alpha plane */
|
|
if (bpp < 32)
|
|
{
|
|
maskIndex = 0;
|
|
icon = (UINT32*) dstData;
|
|
|
|
for (y = 0; y < height; y++)
|
|
{
|
|
for (x = 0; x < width-7; x+=8)
|
|
{
|
|
bmask = mask[maskIndex++];
|
|
|
|
for (bit = 0; bit < 8; bit++)
|
|
if ((bmask & (0x80 >> bit)) == 0)
|
|
{
|
|
UINT32 *tmp = (icon + (height - y - 1) * width + x + bit);
|
|
if (tmp)
|
|
*tmp |= 0xFF000000;
|
|
}
|
|
}
|
|
|
|
if ((width % 8) != 0)
|
|
{
|
|
bmask = mask[maskIndex++];
|
|
|
|
for (bit = 0; bit < width % 8; bit++)
|
|
if ((bmask & (0x80 >> bit)) == 0)
|
|
{
|
|
UINT32 *tmp = (icon + (height - y - 1) * width + x + bit);
|
|
if (tmp)
|
|
*tmp |= 0xFF000000;
|
|
}
|
|
}
|
|
|
|
/* Skip padding */
|
|
if ((width % 32) != 0)
|
|
maskIndex += (32 - (width % 32)) / 8;
|
|
}
|
|
}
|
|
|
|
return dstData;
|
|
}
|
|
|
|
BYTE* freerdp_glyph_convert(int width, int height, BYTE* data)
|
|
{
|
|
int x, y;
|
|
BYTE *srcp;
|
|
BYTE *dstp;
|
|
BYTE *dstData;
|
|
int scanline;
|
|
|
|
/*
|
|
* converts a 1-bit-per-pixel glyph to a one-byte-per-pixel glyph:
|
|
* this approach uses a little more memory, but provides faster
|
|
* means of accessing individual pixels in blitting operations
|
|
*/
|
|
|
|
scanline = (width + 7) / 8;
|
|
dstData = (BYTE*) malloc(width * height);
|
|
memset(dstData, 0, width * height);
|
|
dstp = dstData;
|
|
|
|
for (y = 0; y < height; y++)
|
|
{
|
|
srcp = data + (y * scanline);
|
|
|
|
for (x = 0; x < width; x++)
|
|
{
|
|
if ((*srcp & (0x80 >> (x % 8))) != 0)
|
|
*dstp = 0xFF;
|
|
dstp++;
|
|
|
|
if (((x + 1) % 8 == 0) && x != 0)
|
|
srcp++;
|
|
}
|
|
}
|
|
|
|
return dstData;
|
|
}
|
|
|
|
BYTE* freerdp_mono_image_convert(BYTE* srcData, int width, int height, int srcBpp, int dstBpp, UINT32 bgcolor, UINT32 fgcolor, HCLRCONV clrconv)
|
|
{
|
|
int index;
|
|
UINT16* dst16;
|
|
UINT32* dst32;
|
|
BYTE* dstData;
|
|
BYTE bitMask;
|
|
int bitIndex;
|
|
BYTE redBg, greenBg, blueBg;
|
|
BYTE redFg, greenFg, blueFg;
|
|
|
|
switch (srcBpp)
|
|
{
|
|
case 8:
|
|
bgcolor &= 0xFF;
|
|
redBg = clrconv->palette->entries[bgcolor].red;
|
|
greenBg = clrconv->palette->entries[bgcolor].green;
|
|
blueBg = clrconv->palette->entries[bgcolor].blue;
|
|
|
|
fgcolor &= 0xFF;
|
|
redFg = clrconv->palette->entries[fgcolor].red;
|
|
greenFg = clrconv->palette->entries[fgcolor].green;
|
|
blueFg = clrconv->palette->entries[fgcolor].blue;
|
|
break;
|
|
|
|
case 16:
|
|
GetRGB16(redBg, greenBg, blueBg, bgcolor);
|
|
GetRGB16(redFg, greenFg, blueFg, fgcolor);
|
|
break;
|
|
|
|
case 15:
|
|
GetRGB15(redBg, greenBg, blueBg, bgcolor);
|
|
GetRGB15(redFg, greenFg, blueFg, fgcolor);
|
|
break;
|
|
|
|
default:
|
|
GetRGB32(redBg, greenBg, blueBg, bgcolor);
|
|
GetRGB32(redFg, greenFg, blueFg, fgcolor);
|
|
break;
|
|
}
|
|
|
|
if (dstBpp == 16)
|
|
{
|
|
if (clrconv->rgb555)
|
|
{
|
|
if (srcBpp == 16)
|
|
{
|
|
/* convert 15-bit colors to 16-bit colors */
|
|
RGB16_RGB15(redBg, greenBg, blueBg, bgcolor);
|
|
RGB16_RGB15(redFg, greenFg, blueFg, fgcolor);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (srcBpp == 15)
|
|
{
|
|
/* convert 15-bit colors to 16-bit colors */
|
|
RGB15_RGB16(redBg, greenBg, blueBg, bgcolor);
|
|
RGB15_RGB16(redFg, greenFg, blueFg, fgcolor);
|
|
}
|
|
}
|
|
|
|
dstData = (BYTE*) malloc(width * height * 2);
|
|
dst16 = (UINT16*) dstData;
|
|
|
|
for (index = height; index > 0; index--)
|
|
{
|
|
/* each bit encodes a pixel */
|
|
bitMask = *srcData;
|
|
for (bitIndex = 7; bitIndex >= 0; bitIndex--)
|
|
{
|
|
if ((bitMask >> bitIndex) & 0x01)
|
|
{
|
|
*dst16 = bgcolor;
|
|
}
|
|
else
|
|
{
|
|
*dst16 = fgcolor;
|
|
}
|
|
dst16++;
|
|
}
|
|
srcData++;
|
|
}
|
|
return dstData;
|
|
}
|
|
else if (dstBpp == 32)
|
|
{
|
|
dstData = (BYTE*) malloc(width * height * 4);
|
|
dst32 = (UINT32*) dstData;
|
|
|
|
for (index = height; index > 0; index--)
|
|
{
|
|
/* each bit encodes a pixel */
|
|
bitMask = *srcData;
|
|
|
|
for (bitIndex = 7; bitIndex >= 0; bitIndex--)
|
|
{
|
|
if ((bitMask >> bitIndex) & 0x01)
|
|
{
|
|
*dst32 = (clrconv->invert) ? BGR32(redBg, greenBg, blueBg) : RGB32(redBg, greenBg, blueBg);
|
|
}
|
|
else
|
|
{
|
|
*dst32 = (clrconv->invert) ? BGR32(redFg, greenFg, blueFg) : RGB32(redFg, greenFg, blueFg);
|
|
}
|
|
dst32++;
|
|
}
|
|
srcData++;
|
|
}
|
|
return dstData;
|
|
}
|
|
|
|
return srcData;
|
|
}
|
|
|
|
void freerdp_alpha_cursor_convert(BYTE* alphaData, BYTE* xorMask, BYTE* andMask, int width, int height, int bpp, HCLRCONV clrconv)
|
|
{
|
|
int xpixel;
|
|
int apixel;
|
|
int i, j, jj;
|
|
|
|
for (j = 0; j < height; j++)
|
|
{
|
|
jj = (bpp == 1) ? j : (height - 1) - j;
|
|
for (i = 0; i < width; i++)
|
|
{
|
|
xpixel = freerdp_get_pixel(xorMask, i, jj, width, height, bpp);
|
|
xpixel = freerdp_color_convert_rgb(xpixel, bpp, 32, clrconv);
|
|
apixel = freerdp_get_pixel(andMask, i, jj, width, height, 1);
|
|
|
|
if (apixel != 0)
|
|
{
|
|
if ((xpixel & 0xffffff) == 0xffffff)
|
|
{
|
|
/* use pattern (not solid black) for xor area */
|
|
xpixel = (i & 1) == (j & 1);
|
|
xpixel = xpixel ? 0xFFFFFF : 0;
|
|
xpixel |= 0xFF000000;
|
|
}
|
|
else if (xpixel == 0xFF000000)
|
|
{
|
|
xpixel = 0;
|
|
}
|
|
}
|
|
|
|
freerdp_set_pixel(alphaData, i, j, width, height, 32, xpixel);
|
|
}
|
|
}
|
|
}
|
|
|
|
void freerdp_image_swap_color_order(BYTE* data, int width, int height)
|
|
{
|
|
int x, y;
|
|
UINT32* pixel;
|
|
BYTE a, r, g, b;
|
|
|
|
pixel = (UINT32*) data;
|
|
|
|
for (y = 0; y < height; y++)
|
|
{
|
|
for (x = 0; x < width; x++)
|
|
{
|
|
GetARGB32(a, r, g, b, *pixel);
|
|
*pixel = ABGR32(a, r, g, b);
|
|
pixel++;
|
|
}
|
|
}
|
|
}
|
|
|
|
HCLRCONV freerdp_clrconv_new(UINT32 flags)
|
|
{
|
|
HCLRCONV clrconv;
|
|
|
|
clrconv = (CLRCONV*) malloc(sizeof(CLRCONV));
|
|
ZeroMemory(clrconv, sizeof(CLRCONV));
|
|
|
|
clrconv->alpha = (flags & CLRCONV_ALPHA) ? TRUE : FALSE;
|
|
clrconv->invert = (flags & CLRCONV_INVERT) ? TRUE : FALSE;
|
|
clrconv->rgb555 = (flags & CLRCONV_RGB555) ? TRUE : FALSE;
|
|
|
|
clrconv->palette = (rdpPalette*) malloc(sizeof(rdpPalette));
|
|
ZeroMemory(clrconv->palette, sizeof(rdpPalette));
|
|
|
|
return clrconv;
|
|
}
|
|
|
|
void freerdp_clrconv_free(HCLRCONV clrconv)
|
|
{
|
|
if (clrconv != NULL)
|
|
{
|
|
if (clrconv->palette != NULL)
|
|
free(clrconv->palette);
|
|
|
|
free(clrconv);
|
|
}
|
|
}
|