mirror of https://github.com/neutrinolabs/xrdp
1003 lines
26 KiB
C
1003 lines
26 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 2004-2005
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bitmap compressor
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*/
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#include "libxrdp.h"
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/*****************************************************************************/
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#define IN_PIXEL8(in_ptr, in_x, in_y, in_w, in_last_pixel, in_pixel); \
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{ \
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if (in_ptr == 0) \
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{ \
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in_pixel = 0; \
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} \
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else if (in_x < in_w) \
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{ \
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in_pixel = GETPIXEL8(in_ptr, in_x, in_y, in_w); \
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} \
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else \
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{ \
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in_pixel = in_last_pixel; \
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} \
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}
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/*****************************************************************************/
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#define IN_PIXEL16(in_ptr, in_x, in_y, in_w, in_last_pixel, in_pixel); \
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{ \
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if (in_ptr == 0) \
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{ \
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in_pixel = 0; \
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} \
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else if (in_x < in_w) \
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{ \
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in_pixel = GETPIXEL16(in_ptr, in_x, in_y, in_w); \
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} \
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else \
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{ \
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in_pixel = in_last_pixel; \
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} \
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}
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/*****************************************************************************/
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/* color */
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#define OUT_COLOR_COUNT1(in_count, in_s, in_data) \
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{ \
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if (in_count > 0) \
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{ \
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if (in_count < 32) \
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{ \
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temp = (0x3 << 5) | in_count; \
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out_uint8(in_s, temp); \
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out_uint8(in_s, in_data); \
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} \
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else if (in_count < 256 + 32) \
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{ \
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out_uint8(in_s, 0x60); \
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temp = in_count - 32; \
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out_uint8(in_s, temp); \
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out_uint8(in_s, in_data); \
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} \
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else \
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{ \
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out_uint8(in_s, 0xf3); \
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out_uint16_le(in_s, in_count); \
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out_uint8(in_s, in_data); \
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} \
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} \
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in_count = 0; \
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}
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/*****************************************************************************/
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/* color */
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#define OUT_COLOR_COUNT2(in_count, in_s, in_data) \
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{ \
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if (in_count > 0) \
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{ \
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if (in_count < 32) \
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{ \
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temp = (0x3 << 5) | in_count; \
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out_uint8(in_s, temp); \
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out_uint16_le(in_s, in_data); \
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} \
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else if (in_count < 256 + 32) \
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{ \
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out_uint8(in_s, 0x60); \
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temp = in_count - 32; \
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out_uint8(in_s, temp); \
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out_uint16_le(in_s, in_data); \
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} \
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else \
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{ \
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out_uint8(in_s, 0xf3); \
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out_uint16_le(in_s, in_count); \
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out_uint16_le(in_s, in_data); \
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} \
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} \
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in_count = 0; \
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}
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/*****************************************************************************/
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/* copy */
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#define OUT_COPY_COUNT1(in_count, in_s, in_data) \
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{ \
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if (in_count > 0) \
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{ \
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if (in_count < 32) \
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{ \
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temp = (0x4 << 5) | in_count; \
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out_uint8(in_s, temp); \
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out_uint8a(in_s, in_data->data, in_count); \
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} \
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else if (in_count < 256 + 32) \
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{ \
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out_uint8(in_s, 0x80); \
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temp = in_count - 32; \
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out_uint8(in_s, temp); \
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out_uint8a(in_s, in_data->data, in_count); \
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} \
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else \
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{ \
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out_uint8(in_s, 0xf4); \
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out_uint16_le(in_s, in_count); \
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out_uint8a(in_s, in_data->data, in_count); \
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} \
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} \
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in_count = 0; \
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init_stream(in_data, 0); \
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}
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/*****************************************************************************/
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/* copy */
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#define OUT_COPY_COUNT2(in_count, in_s, in_data) \
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{ \
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if (in_count > 0) \
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{ \
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if (in_count < 32) \
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{ \
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temp = (0x4 << 5) | in_count; \
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out_uint8(in_s, temp); \
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temp = in_count * 2; \
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out_uint8a(in_s, in_data->data, temp); \
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} \
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else if (in_count < 256 + 32) \
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{ \
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out_uint8(in_s, 0x80); \
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temp = in_count - 32; \
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out_uint8(in_s, temp); \
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temp = in_count * 2; \
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out_uint8a(in_s, in_data->data, temp); \
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} \
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else \
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{ \
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out_uint8(in_s, 0xf4); \
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out_uint16_le(in_s, in_count); \
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temp = in_count * 2; \
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out_uint8a(in_s, in_data->data, temp); \
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} \
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} \
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in_count = 0; \
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init_stream(in_data, 0); \
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}
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/*****************************************************************************/
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/* bicolor */
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#define OUT_BICOLOR_COUNT1(in_count, in_s, in_color1, in_color2) \
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{ \
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if (in_count > 0) \
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{ \
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if (in_count / 2 < 16) \
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{ \
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temp = (0xe << 4) | (in_count / 2); \
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out_uint8(in_s, temp); \
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out_uint8(in_s, in_color1); \
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out_uint8(in_s, in_color2); \
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} \
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else if (in_count / 2 < 256 + 16) \
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{ \
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out_uint8(in_s, 0xe0); \
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temp = in_count / 2 - 16; \
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out_uint8(in_s, temp); \
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out_uint8(in_s, in_color1); \
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out_uint8(in_s, in_color2); \
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} \
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else \
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{ \
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out_uint8(in_s, 0xf8); \
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temp = in_count / 2; \
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out_uint16_le(in_s, temp); \
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out_uint8(in_s, in_color1); \
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out_uint8(in_s, in_color2); \
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} \
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} \
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in_count = 0; \
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}
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/*****************************************************************************/
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/* bicolor */
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#define OUT_BICOLOR_COUNT2(in_count, in_s, in_color1, in_color2) \
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{ \
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if (in_count > 0) \
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{ \
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if (in_count / 2 < 16) \
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{ \
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temp = (0xe << 4) | (in_count / 2); \
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out_uint8(in_s, temp); \
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out_uint16_le(in_s, in_color1); \
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out_uint16_le(in_s, in_color2); \
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} \
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else if (in_count / 2 < 256 + 16) \
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{ \
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out_uint8(in_s, 0xe0); \
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temp = in_count / 2 - 16; \
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out_uint8(in_s, temp); \
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out_uint16_le(in_s, in_color1); \
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out_uint16_le(in_s, in_color2); \
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} \
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else \
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{ \
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out_uint8(in_s, 0xf8); \
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temp = in_count / 2; \
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out_uint16_le(in_s, temp); \
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out_uint16_le(in_s, in_color1); \
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out_uint16_le(in_s, in_color2); \
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} \
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} \
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in_count = 0; \
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}
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/*****************************************************************************/
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/* fill */
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#define OUT_FILL_COUNT1(in_count, in_s) \
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{ \
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if (in_count > 0) \
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{ \
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if (in_count < 32) \
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{ \
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out_uint8(in_s, in_count); \
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} \
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else if (in_count < 256 + 32) \
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{ \
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out_uint8(in_s, 0x0); \
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temp = in_count - 32; \
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out_uint8(in_s, temp); \
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} \
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else \
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{ \
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out_uint8(in_s, 0xf0); \
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out_uint16_le(in_s, in_count); \
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} \
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} \
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in_count = 0; \
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}
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/*****************************************************************************/
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/* fill */
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#define OUT_FILL_COUNT2(in_count, in_s) \
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{ \
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if (in_count > 0) \
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{ \
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if (in_count < 32) \
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{ \
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out_uint8(in_s, in_count); \
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} \
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else if (in_count < 256 + 32) \
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{ \
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out_uint8(in_s, 0x0); \
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temp = in_count - 32; \
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out_uint8(in_s, temp); \
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} \
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else \
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{ \
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out_uint8(in_s, 0xf0); \
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out_uint16_le(in_s, in_count); \
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} \
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} \
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in_count = 0; \
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}
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/*****************************************************************************/
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/* mix */
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#define OUT_MIX_COUNT1(in_count, in_s) \
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{ \
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if (in_count > 0) \
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{ \
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if (in_count < 32) \
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{ \
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temp = (0x1 << 5) | in_count; \
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out_uint8(in_s, temp); \
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} \
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else if (in_count < 256 + 32) \
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{ \
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out_uint8(in_s, 0x20); \
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temp = in_count - 32; \
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out_uint8(in_s, temp); \
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} \
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else \
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{ \
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out_uint8(in_s, 0xf1); \
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out_uint16_le(in_s, in_count); \
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} \
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} \
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in_count = 0; \
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}
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/*****************************************************************************/
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/* mix */
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#define OUT_MIX_COUNT2(in_count, in_s) \
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{ \
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if (in_count > 0) \
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{ \
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if (in_count < 32) \
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{ \
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temp = (0x1 << 5) | in_count; \
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out_uint8(in_s, temp); \
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} \
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else if (in_count < 256 + 32) \
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{ \
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out_uint8(in_s, 0x20); \
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temp = in_count - 32; \
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out_uint8(in_s, temp); \
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} \
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else \
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{ \
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out_uint8(in_s, 0xf1); \
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out_uint16_le(in_s, in_count); \
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} \
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} \
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in_count = 0; \
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}
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/*****************************************************************************/
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/* fom */
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#define OUT_FOM_COUNT1(in_count, in_s, in_mask, in_mask_len) \
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{ \
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if (in_count > 0) \
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{ \
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if ((in_count % 8) == 0 && in_count < 249) \
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{ \
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temp = (0x2 << 5) | (in_count / 8); \
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out_uint8(in_s, temp); \
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out_uint8a(in_s, in_mask, in_mask_len); \
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} \
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else if (in_count < 256) \
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{ \
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out_uint8(in_s, 0x40); \
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temp = in_count - 1; \
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out_uint8(in_s, temp); \
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out_uint8a(in_s, in_mask, in_mask_len); \
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} \
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else \
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{ \
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out_uint8(in_s, 0xf2); \
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out_uint16_le(in_s, in_count); \
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out_uint8a(in_s, in_mask, in_mask_len); \
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} \
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} \
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in_count = 0; \
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}
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/*****************************************************************************/
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/* fom */
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#define OUT_FOM_COUNT2(in_count, in_s, in_mask, in_mask_len) \
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{ \
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if (in_count > 0) \
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{ \
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if ((in_count % 8) == 0 && in_count < 249) \
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{ \
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temp = (0x2 << 5) | (in_count / 8); \
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out_uint8(in_s, temp); \
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out_uint8a(in_s, in_mask, in_mask_len); \
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} \
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else if (in_count < 256) \
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{ \
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out_uint8(in_s, 0x40); \
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temp = in_count - 1; \
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out_uint8(in_s, temp); \
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out_uint8a(in_s, in_mask, in_mask_len); \
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} \
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else \
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{ \
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out_uint8(in_s, 0xf2); \
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out_uint16_le(in_s, in_count); \
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out_uint8a(in_s, in_mask, in_mask_len); \
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} \
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} \
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in_count = 0; \
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}
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/*****************************************************************************/
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#define TEST_FILL \
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((last_line == 0 && pixel == 0) || \
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(last_line != 0 && pixel == ypixel))
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#define TEST_MIX \
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((last_line == 0 && pixel == mix) || \
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(last_line != 0 && pixel == (ypixel ^ mix)))
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#define TEST_FOM (TEST_FILL || TEST_MIX)
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#define TEST_COLOR (pixel == last_pixel)
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#define TEST_BICOLOR \
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( \
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(pixel != last_pixel) && \
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( \
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(!bicolor_spin && pixel == bicolor1 && last_pixel == bicolor2) || \
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(bicolor_spin && pixel == bicolor2 && last_pixel == bicolor1) \
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) \
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)
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#define RESET_COUNTS \
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{ \
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bicolor_count = 0; \
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fill_count = 0; \
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color_count = 0; \
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mix_count = 0; \
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fom_count = 0; \
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fom_mask_len = 0; \
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bicolor_spin = 0; \
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_bitmap_compress(char* in_data, int width, int height,
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struct stream* s, int bpp, int byte_limit,
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int start_line, struct stream* temp_s,
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int e)
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{
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char* line;
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char* last_line;
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char fom_mask[8192];
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int lines_sent;
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int pixel;
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int count;
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int color_count;
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int last_pixel;
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int bicolor_count;
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int bicolor1;
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int bicolor2;
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int bicolor_spin;
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int end;
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int i;
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int out_count;
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int ypixel;
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int last_ypixel;
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int fill_count;
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int mix_count;
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int mix;
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int fom_count;
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int fom_mask_len;
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int temp; /* used in macros */
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init_stream(temp_s, 0);
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fom_mask_len = 0;
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last_line = 0;
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lines_sent = 0;
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end = width + e;
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count = 0;
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color_count = 0;
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last_pixel = 0;
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last_ypixel = 0;
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bicolor_count = 0;
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bicolor1 = 0;
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bicolor2 = 0;
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bicolor_spin = 0;
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fill_count = 0;
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mix_count = 0;
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fom_count = 0;
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if (bpp == 8)
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{
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mix = 0xff;
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out_count = end;
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line = in_data + width * start_line;
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while (start_line >= 0 && out_count < 32768)
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{
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i = (s->p - s->data) + count;
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if (i - color_count >= byte_limit &&
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i - bicolor_count >= byte_limit &&
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i - fill_count >= byte_limit &&
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i - mix_count >= byte_limit &&
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i - fom_count >= byte_limit)
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{
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break;
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}
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out_count += end;
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for (i = 0; i < end; i++)
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{
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/* read next pixel */
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IN_PIXEL8(line, i, 0, width, last_pixel, pixel);
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IN_PIXEL8(last_line, i, 0, width, last_ypixel, ypixel);
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if (!TEST_FILL)
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{
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if (fill_count > 3 &&
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fill_count >= color_count &&
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fill_count >= bicolor_count &&
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fill_count >= mix_count &&
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fill_count >= fom_count)
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{
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count -= fill_count;
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OUT_COPY_COUNT1(count, s, temp_s);
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OUT_FILL_COUNT1(fill_count, s);
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RESET_COUNTS;
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}
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fill_count = 0;
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}
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if (!TEST_MIX)
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{
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if (mix_count > 3 &&
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mix_count >= fill_count &&
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mix_count >= bicolor_count &&
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mix_count >= color_count &&
|
|
mix_count >= fom_count)
|
|
{
|
|
count -= mix_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_MIX_COUNT1(mix_count, s);
|
|
RESET_COUNTS;
|
|
}
|
|
mix_count = 0;
|
|
}
|
|
if (!TEST_COLOR)
|
|
{
|
|
if (color_count > 3 &&
|
|
color_count >= fill_count &&
|
|
color_count >= bicolor_count &&
|
|
color_count >= mix_count &&
|
|
color_count >= fom_count)
|
|
{
|
|
count -= color_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_COLOR_COUNT1(color_count, s, last_pixel);
|
|
RESET_COUNTS;
|
|
}
|
|
color_count = 0;
|
|
}
|
|
if (!TEST_BICOLOR)
|
|
{
|
|
if (bicolor_count > 3 &&
|
|
bicolor_count >= fill_count &&
|
|
bicolor_count >= color_count &&
|
|
bicolor_count >= mix_count &&
|
|
bicolor_count >= fom_count)
|
|
{
|
|
if ((bicolor_count % 2) == 0)
|
|
{
|
|
count -= bicolor_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_BICOLOR_COUNT1(bicolor_count, s, bicolor1, bicolor2);
|
|
}
|
|
else
|
|
{
|
|
bicolor_count--;
|
|
count -= bicolor_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_BICOLOR_COUNT1(bicolor_count, s, bicolor2, bicolor1);
|
|
}
|
|
RESET_COUNTS;
|
|
}
|
|
bicolor_count = 0;
|
|
bicolor1 = last_pixel;
|
|
bicolor2 = pixel;
|
|
bicolor_spin = 0;
|
|
}
|
|
if (!TEST_FOM)
|
|
{
|
|
if (fom_count > 3 &&
|
|
fom_count >= fill_count &&
|
|
fom_count >= color_count &&
|
|
fom_count >= mix_count &&
|
|
fom_count >= bicolor_count)
|
|
{
|
|
count -= fom_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_FOM_COUNT1(fom_count, s, fom_mask, fom_mask_len);
|
|
RESET_COUNTS;
|
|
}
|
|
fom_count = 0;
|
|
fom_mask_len = 0;
|
|
}
|
|
if (TEST_FILL)
|
|
{
|
|
fill_count++;
|
|
}
|
|
if (TEST_MIX)
|
|
{
|
|
mix_count++;
|
|
}
|
|
if (TEST_COLOR)
|
|
{
|
|
color_count++;
|
|
}
|
|
if (TEST_BICOLOR)
|
|
{
|
|
bicolor_spin = !bicolor_spin;
|
|
bicolor_count++;
|
|
}
|
|
if (TEST_FOM)
|
|
{
|
|
if ((fom_count % 8) == 0)
|
|
{
|
|
fom_mask[fom_mask_len] = 0;
|
|
fom_mask_len++;
|
|
}
|
|
if (pixel == (ypixel ^ mix))
|
|
{
|
|
fom_mask[fom_mask_len - 1] |= (1 << (fom_count % 8));
|
|
}
|
|
fom_count++;
|
|
}
|
|
out_uint8(temp_s, pixel);
|
|
count++;
|
|
last_pixel = pixel;
|
|
last_ypixel = ypixel;
|
|
}
|
|
/* can't take fix, mix, or fom past first line */
|
|
if (last_line == 0)
|
|
{
|
|
if (fill_count > 3 &&
|
|
fill_count >= color_count &&
|
|
fill_count >= bicolor_count &&
|
|
fill_count >= mix_count &&
|
|
fill_count >= fom_count)
|
|
{
|
|
count -= fill_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_FILL_COUNT1(fill_count, s);
|
|
RESET_COUNTS;
|
|
}
|
|
fill_count = 0;
|
|
if (mix_count > 3 &&
|
|
mix_count >= fill_count &&
|
|
mix_count >= bicolor_count &&
|
|
mix_count >= color_count &&
|
|
mix_count >= fom_count)
|
|
{
|
|
count -= mix_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_MIX_COUNT1(mix_count, s);
|
|
RESET_COUNTS;
|
|
}
|
|
mix_count = 0;
|
|
if (fom_count > 3 &&
|
|
fom_count >= fill_count &&
|
|
fom_count >= color_count &&
|
|
fom_count >= mix_count &&
|
|
fom_count >= bicolor_count)
|
|
{
|
|
count -= fom_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_FOM_COUNT1(fom_count, s, fom_mask, fom_mask_len);
|
|
RESET_COUNTS;
|
|
}
|
|
fom_count = 0;
|
|
fom_mask_len = 0;
|
|
}
|
|
last_line = line;
|
|
line = line - width;
|
|
start_line--;
|
|
lines_sent++;
|
|
}
|
|
if (fill_count > 3 &&
|
|
fill_count >= color_count &&
|
|
fill_count >= bicolor_count &&
|
|
fill_count >= mix_count &&
|
|
fill_count >= fom_count)
|
|
{
|
|
count -= fill_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_FILL_COUNT1(fill_count, s);
|
|
}
|
|
else if (mix_count > 3 &&
|
|
mix_count >= color_count &&
|
|
mix_count >= bicolor_count &&
|
|
mix_count >= fill_count &&
|
|
mix_count >= fom_count)
|
|
{
|
|
count -= mix_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_MIX_COUNT1(mix_count, s);
|
|
}
|
|
else if (color_count > 3 &&
|
|
color_count >= mix_count &&
|
|
color_count >= bicolor_count &&
|
|
color_count >= fill_count &&
|
|
color_count >= fom_count)
|
|
{
|
|
count -= color_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_COLOR_COUNT1(color_count, s, last_pixel);
|
|
}
|
|
else if (bicolor_count > 3 &&
|
|
bicolor_count >= mix_count &&
|
|
bicolor_count >= color_count &&
|
|
bicolor_count >= fill_count &&
|
|
bicolor_count >= fom_count)
|
|
{
|
|
if ((bicolor_count % 2) == 0)
|
|
{
|
|
count -= bicolor_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_BICOLOR_COUNT1(bicolor_count, s, bicolor1, bicolor2);
|
|
}
|
|
else
|
|
{
|
|
bicolor_count--;
|
|
count -= bicolor_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_BICOLOR_COUNT1(bicolor_count, s, bicolor2, bicolor1);
|
|
}
|
|
count -= bicolor_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_BICOLOR_COUNT1(bicolor_count, s, bicolor1, bicolor2);
|
|
}
|
|
else if (fom_count > 3 &&
|
|
fom_count >= mix_count &&
|
|
fom_count >= color_count &&
|
|
fom_count >= fill_count &&
|
|
fom_count >= bicolor_count)
|
|
{
|
|
count -= fom_count;
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
OUT_FOM_COUNT1(fom_count, s, fom_mask, fom_mask_len);
|
|
}
|
|
else
|
|
{
|
|
OUT_COPY_COUNT1(count, s, temp_s);
|
|
}
|
|
}
|
|
else if (bpp == 16)
|
|
{
|
|
mix = 0xffff;
|
|
out_count = end * 2;
|
|
line = in_data + width * start_line * 2;
|
|
while (start_line >= 0 && out_count < 32768)
|
|
{
|
|
i = (s->p - s->data) + count * 2;
|
|
if (i - (color_count * 2) >= byte_limit &&
|
|
i - (bicolor_count * 2) >= byte_limit &&
|
|
i - (fill_count * 2) >= byte_limit &&
|
|
i - (mix_count * 2) >= byte_limit &&
|
|
i - (fom_count * 2) >= byte_limit)
|
|
{
|
|
break;
|
|
}
|
|
out_count += end * 2;
|
|
for (i = 0; i < end; i++)
|
|
{
|
|
/* read next pixel */
|
|
IN_PIXEL16(line, i, 0, width, last_pixel, pixel);
|
|
IN_PIXEL16(last_line, i, 0, width, last_ypixel, ypixel);
|
|
if (!TEST_FILL)
|
|
{
|
|
if (fill_count > 3 &&
|
|
fill_count >= color_count &&
|
|
fill_count >= bicolor_count &&
|
|
fill_count >= mix_count &&
|
|
fill_count >= fom_count)
|
|
{
|
|
count -= fill_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_FILL_COUNT2(fill_count, s);
|
|
RESET_COUNTS;
|
|
}
|
|
fill_count = 0;
|
|
}
|
|
if (!TEST_MIX)
|
|
{
|
|
if (mix_count > 3 &&
|
|
mix_count >= fill_count &&
|
|
mix_count >= bicolor_count &&
|
|
mix_count >= color_count &&
|
|
mix_count >= fom_count)
|
|
{
|
|
count -= mix_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_MIX_COUNT2(mix_count, s);
|
|
RESET_COUNTS;
|
|
}
|
|
mix_count = 0;
|
|
}
|
|
if (!TEST_COLOR)
|
|
{
|
|
if (color_count > 3 &&
|
|
color_count >= fill_count &&
|
|
color_count >= bicolor_count &&
|
|
color_count >= mix_count &&
|
|
color_count >= fom_count)
|
|
{
|
|
count -= color_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_COLOR_COUNT2(color_count, s, last_pixel);
|
|
RESET_COUNTS;
|
|
}
|
|
color_count = 0;
|
|
}
|
|
if (!TEST_BICOLOR)
|
|
{
|
|
if (bicolor_count > 3 &&
|
|
bicolor_count >= fill_count &&
|
|
bicolor_count >= color_count &&
|
|
bicolor_count >= mix_count &&
|
|
bicolor_count >= fom_count)
|
|
{
|
|
if ((bicolor_count % 2) == 0)
|
|
{
|
|
count -= bicolor_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_BICOLOR_COUNT2(bicolor_count, s, bicolor1, bicolor2);
|
|
}
|
|
else
|
|
{
|
|
bicolor_count--;
|
|
count -= bicolor_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_BICOLOR_COUNT2(bicolor_count, s, bicolor2, bicolor1);
|
|
}
|
|
RESET_COUNTS;
|
|
}
|
|
bicolor_count = 0;
|
|
bicolor1 = last_pixel;
|
|
bicolor2 = pixel;
|
|
bicolor_spin = 0;
|
|
}
|
|
if (!TEST_FOM)
|
|
{
|
|
if (fom_count > 3 &&
|
|
fom_count >= fill_count &&
|
|
fom_count >= color_count &&
|
|
fom_count >= mix_count &&
|
|
fom_count >= bicolor_count)
|
|
{
|
|
count -= fom_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_FOM_COUNT2(fom_count, s, fom_mask, fom_mask_len);
|
|
RESET_COUNTS;
|
|
}
|
|
fom_count = 0;
|
|
fom_mask_len = 0;
|
|
}
|
|
if (TEST_FILL)
|
|
{
|
|
fill_count++;
|
|
}
|
|
if (TEST_MIX)
|
|
{
|
|
mix_count++;
|
|
}
|
|
if (TEST_COLOR)
|
|
{
|
|
color_count++;
|
|
}
|
|
if (TEST_BICOLOR)
|
|
{
|
|
bicolor_spin = !bicolor_spin;
|
|
bicolor_count++;
|
|
}
|
|
if (TEST_FOM)
|
|
{
|
|
if ((fom_count % 8) == 0)
|
|
{
|
|
fom_mask[fom_mask_len] = 0;
|
|
fom_mask_len++;
|
|
}
|
|
if (pixel == (ypixel ^ mix))
|
|
{
|
|
fom_mask[fom_mask_len - 1] |= (1 << (fom_count % 8));
|
|
}
|
|
fom_count++;
|
|
}
|
|
out_uint16_le(temp_s, pixel);
|
|
count++;
|
|
last_pixel = pixel;
|
|
last_ypixel = ypixel;
|
|
}
|
|
/* can't take fix, mix, or fom past first line */
|
|
if (last_line == 0)
|
|
{
|
|
if (fill_count > 3 &&
|
|
fill_count >= color_count &&
|
|
fill_count >= bicolor_count &&
|
|
fill_count >= mix_count &&
|
|
fill_count >= fom_count)
|
|
{
|
|
count -= fill_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_FILL_COUNT2(fill_count, s);
|
|
RESET_COUNTS;
|
|
}
|
|
fill_count = 0;
|
|
if (mix_count > 3 &&
|
|
mix_count >= fill_count &&
|
|
mix_count >= bicolor_count &&
|
|
mix_count >= color_count &&
|
|
mix_count >= fom_count)
|
|
{
|
|
count -= mix_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_MIX_COUNT2(mix_count, s);
|
|
RESET_COUNTS;
|
|
}
|
|
mix_count = 0;
|
|
if (fom_count > 3 &&
|
|
fom_count >= fill_count &&
|
|
fom_count >= color_count &&
|
|
fom_count >= mix_count &&
|
|
fom_count >= bicolor_count)
|
|
{
|
|
count -= fom_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_FOM_COUNT2(fom_count, s, fom_mask, fom_mask_len);
|
|
RESET_COUNTS;
|
|
}
|
|
fom_count = 0;
|
|
fom_mask_len = 0;
|
|
}
|
|
last_line = line;
|
|
line = line - width * 2;
|
|
start_line--;
|
|
lines_sent++;
|
|
}
|
|
if (fill_count > 3 &&
|
|
fill_count >= color_count &&
|
|
fill_count >= bicolor_count &&
|
|
fill_count >= mix_count &&
|
|
fill_count >= fom_count)
|
|
{
|
|
count -= fill_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_FILL_COUNT2(fill_count, s);
|
|
}
|
|
else if (mix_count > 3 &&
|
|
mix_count >= color_count &&
|
|
mix_count >= bicolor_count &&
|
|
mix_count >= fill_count &&
|
|
mix_count >= fom_count)
|
|
{
|
|
count -= mix_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_MIX_COUNT2(mix_count, s);
|
|
}
|
|
else if (color_count > 3 &&
|
|
color_count >= mix_count &&
|
|
color_count >= bicolor_count &&
|
|
color_count >= fill_count &&
|
|
color_count >= fom_count)
|
|
{
|
|
count -= color_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_COLOR_COUNT2(color_count, s, last_pixel);
|
|
}
|
|
else if (bicolor_count > 3 &&
|
|
bicolor_count >= mix_count &&
|
|
bicolor_count >= color_count &&
|
|
bicolor_count >= fill_count &&
|
|
bicolor_count >= fom_count)
|
|
{
|
|
if ((bicolor_count % 2) == 0)
|
|
{
|
|
count -= bicolor_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_BICOLOR_COUNT2(bicolor_count, s, bicolor1, bicolor2);
|
|
}
|
|
else
|
|
{
|
|
bicolor_count--;
|
|
count -= bicolor_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_BICOLOR_COUNT2(bicolor_count, s, bicolor2, bicolor1);
|
|
}
|
|
count -= bicolor_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_BICOLOR_COUNT2(bicolor_count, s, bicolor1, bicolor2);
|
|
}
|
|
else if (fom_count > 3 &&
|
|
fom_count >= mix_count &&
|
|
fom_count >= color_count &&
|
|
fom_count >= fill_count &&
|
|
fom_count >= bicolor_count)
|
|
{
|
|
count -= fom_count;
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
OUT_FOM_COUNT2(fom_count, s, fom_mask, fom_mask_len);
|
|
}
|
|
else
|
|
{
|
|
OUT_COPY_COUNT2(count, s, temp_s);
|
|
}
|
|
}
|
|
return lines_sent;
|
|
}
|