diff options
Diffstat (limited to 'libxrdp/xrdp_bitmap_compress.c')
| -rw-r--r-- | libxrdp/xrdp_bitmap_compress.c | 1002 |
1 files changed, 1002 insertions, 0 deletions
diff --git a/libxrdp/xrdp_bitmap_compress.c b/libxrdp/xrdp_bitmap_compress.c new file mode 100644 index 00000000..b85162f2 --- /dev/null +++ b/libxrdp/xrdp_bitmap_compress.c @@ -0,0 +1,1002 @@ +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + xrdp: A Remote Desktop Protocol server. + Copyright (C) Jay Sorg 2004-2005 + + bitmap compressor + +*/ + +#include "libxrdp.h" + +/*****************************************************************************/ +#define IN_PIXEL8(in_ptr, in_x, in_y, in_w, in_last_pixel, in_pixel); \ +{ \ + if (in_ptr == 0) \ + { \ + in_pixel = 0; \ + } \ + else if (in_x < in_w) \ + { \ + in_pixel = GETPIXEL8(in_ptr, in_x, in_y, in_w); \ + } \ + else \ + { \ + in_pixel = in_last_pixel; \ + } \ +} + +/*****************************************************************************/ +#define IN_PIXEL16(in_ptr, in_x, in_y, in_w, in_last_pixel, in_pixel); \ +{ \ + if (in_ptr == 0) \ + { \ + in_pixel = 0; \ + } \ + else if (in_x < in_w) \ + { \ + in_pixel = GETPIXEL16(in_ptr, in_x, in_y, in_w); \ + } \ + else \ + { \ + in_pixel = in_last_pixel; \ + } \ +} + +/*****************************************************************************/ +/* color */ +#define OUT_COLOR_COUNT1(in_count, in_s, in_data) \ +{ \ + if (in_count > 0) \ + { \ + if (in_count < 32) \ + { \ + temp = (0x3 << 5) | in_count; \ + out_uint8(in_s, temp); \ + out_uint8(in_s, in_data); \ + } \ + else if (in_count < 256 + 32) \ + { \ + out_uint8(in_s, 0x60); \ + temp = in_count - 32; \ + out_uint8(in_s, temp); \ + out_uint8(in_s, in_data); \ + } \ + else \ + { \ + out_uint8(in_s, 0xf3); \ + out_uint16_le(in_s, in_count); \ + out_uint8(in_s, in_data); \ + } \ + } \ + in_count = 0; \ +} + +/*****************************************************************************/ +/* color */ +#define OUT_COLOR_COUNT2(in_count, in_s, in_data) \ +{ \ + if (in_count > 0) \ + { \ + if (in_count < 32) \ + { \ + temp = (0x3 << 5) | in_count; \ + out_uint8(in_s, temp); \ + out_uint16_le(in_s, in_data); \ + } \ + else if (in_count < 256 + 32) \ + { \ + out_uint8(in_s, 0x60); \ + temp = in_count - 32; \ + out_uint8(in_s, temp); \ + out_uint16_le(in_s, in_data); \ + } \ + else \ + { \ + out_uint8(in_s, 0xf3); \ + out_uint16_le(in_s, in_count); \ + out_uint16_le(in_s, in_data); \ + } \ + } \ + in_count = 0; \ +} + +/*****************************************************************************/ +/* copy */ +#define OUT_COPY_COUNT1(in_count, in_s, in_data) \ +{ \ + if (in_count > 0) \ + { \ + if (in_count < 32) \ + { \ + temp = (0x4 << 5) | in_count; \ + out_uint8(in_s, temp); \ + out_uint8a(in_s, in_data->data, in_count); \ + } \ + else if (in_count < 256 + 32) \ + { \ + out_uint8(in_s, 0x80); \ + temp = in_count - 32; \ + out_uint8(in_s, temp); \ + out_uint8a(in_s, in_data->data, in_count); \ + } \ + else \ + { \ + out_uint8(in_s, 0xf4); \ + out_uint16_le(in_s, in_count); \ + out_uint8a(in_s, in_data->data, in_count); \ + } \ + } \ + in_count = 0; \ + init_stream(in_data, 0); \ +} + +/*****************************************************************************/ +/* copy */ +#define OUT_COPY_COUNT2(in_count, in_s, in_data) \ +{ \ + if (in_count > 0) \ + { \ + if (in_count < 32) \ + { \ + temp = (0x4 << 5) | in_count; \ + out_uint8(in_s, temp); \ + temp = in_count * 2; \ + out_uint8a(in_s, in_data->data, temp); \ + } \ + else if (in_count < 256 + 32) \ + { \ + out_uint8(in_s, 0x80); \ + temp = in_count - 32; \ + out_uint8(in_s, temp); \ + temp = in_count * 2; \ + out_uint8a(in_s, in_data->data, temp); \ + } \ + else \ + { \ + out_uint8(in_s, 0xf4); \ + out_uint16_le(in_s, in_count); \ + temp = in_count * 2; \ + out_uint8a(in_s, in_data->data, temp); \ + } \ + } \ + in_count = 0; \ + init_stream(in_data, 0); \ +} + +/*****************************************************************************/ +/* bicolor */ +#define OUT_BICOLOR_COUNT1(in_count, in_s, in_color1, in_color2) \ +{ \ + if (in_count > 0) \ + { \ + if (in_count / 2 < 16) \ + { \ + temp = (0xe << 4) | (in_count / 2); \ + out_uint8(in_s, temp); \ + out_uint8(in_s, in_color1); \ + out_uint8(in_s, in_color2); \ + } \ + else if (in_count / 2 < 256 + 16) \ + { \ + out_uint8(in_s, 0xe0); \ + temp = in_count / 2 - 16; \ + out_uint8(in_s, temp); \ + out_uint8(in_s, in_color1); \ + out_uint8(in_s, in_color2); \ + } \ + else \ + { \ + out_uint8(in_s, 0xf8); \ + temp = in_count / 2; \ + out_uint16_le(in_s, temp); \ + out_uint8(in_s, in_color1); \ + out_uint8(in_s, in_color2); \ + } \ + } \ + in_count = 0; \ +} + +/*****************************************************************************/ +/* bicolor */ +#define OUT_BICOLOR_COUNT2(in_count, in_s, in_color1, in_color2) \ +{ \ + if (in_count > 0) \ + { \ + if (in_count / 2 < 16) \ + { \ + temp = (0xe << 4) | (in_count / 2); \ + out_uint8(in_s, temp); \ + out_uint16_le(in_s, in_color1); \ + out_uint16_le(in_s, in_color2); \ + } \ + else if (in_count / 2 < 256 + 16) \ + { \ + out_uint8(in_s, 0xe0); \ + temp = in_count / 2 - 16; \ + out_uint8(in_s, temp); \ + out_uint16_le(in_s, in_color1); \ + out_uint16_le(in_s, in_color2); \ + } \ + else \ + { \ + out_uint8(in_s, 0xf8); \ + temp = in_count / 2; \ + out_uint16_le(in_s, temp); \ + out_uint16_le(in_s, in_color1); \ + out_uint16_le(in_s, in_color2); \ + } \ + } \ + in_count = 0; \ +} + +/*****************************************************************************/ +/* fill */ +#define OUT_FILL_COUNT1(in_count, in_s) \ +{ \ + if (in_count > 0) \ + { \ + if (in_count < 32) \ + { \ + out_uint8(in_s, in_count); \ + } \ + else if (in_count < 256 + 32) \ + { \ + out_uint8(in_s, 0x0); \ + temp = in_count - 32; \ + out_uint8(in_s, temp); \ + } \ + else \ + { \ + out_uint8(in_s, 0xf0); \ + out_uint16_le(in_s, in_count); \ + } \ + } \ + in_count = 0; \ +} + +/*****************************************************************************/ +/* fill */ +#define OUT_FILL_COUNT2(in_count, in_s) \ +{ \ + if (in_count > 0) \ + { \ + if (in_count < 32) \ + { \ + out_uint8(in_s, in_count); \ + } \ + else if (in_count < 256 + 32) \ + { \ + out_uint8(in_s, 0x0); \ + temp = in_count - 32; \ + out_uint8(in_s, temp); \ + } \ + else \ + { \ + out_uint8(in_s, 0xf0); \ + out_uint16_le(in_s, in_count); \ + } \ + } \ + in_count = 0; \ +} + +/*****************************************************************************/ +/* mix */ +#define OUT_MIX_COUNT1(in_count, in_s) \ +{ \ + if (in_count > 0) \ + { \ + if (in_count < 32) \ + { \ + temp = (0x1 << 5) | in_count; \ + out_uint8(in_s, temp); \ + } \ + else if (in_count < 256 + 32) \ + { \ + out_uint8(in_s, 0x20); \ + temp = in_count - 32; \ + out_uint8(in_s, temp); \ + } \ + else \ + { \ + out_uint8(in_s, 0xf1); \ + out_uint16_le(in_s, in_count); \ + } \ + } \ + in_count = 0; \ +} + +/*****************************************************************************/ +/* mix */ +#define OUT_MIX_COUNT2(in_count, in_s) \ +{ \ + if (in_count > 0) \ + { \ + if (in_count < 32) \ + { \ + temp = (0x1 << 5) | in_count; \ + out_uint8(in_s, temp); \ + } \ + else if (in_count < 256 + 32) \ + { \ + out_uint8(in_s, 0x20); \ + temp = in_count - 32; \ + out_uint8(in_s, temp); \ + } \ + else \ + { \ + out_uint8(in_s, 0xf1); \ + out_uint16_le(in_s, in_count); \ + } \ + } \ + in_count = 0; \ +} + +/*****************************************************************************/ +/* fom */ +#define OUT_FOM_COUNT1(in_count, in_s, in_mask, in_mask_len) \ +{ \ + if (in_count > 0) \ + { \ + if ((in_count % 8) == 0 && in_count < 249) \ + { \ + temp = (0x2 << 5) | (in_count / 8); \ + out_uint8(in_s, temp); \ + out_uint8a(in_s, in_mask, in_mask_len); \ + } \ + else if (in_count < 256) \ + { \ + out_uint8(in_s, 0x40); \ + temp = in_count - 1; \ + out_uint8(in_s, temp); \ + out_uint8a(in_s, in_mask, in_mask_len); \ + } \ + else \ + { \ + out_uint8(in_s, 0xf2); \ + out_uint16_le(in_s, in_count); \ + out_uint8a(in_s, in_mask, in_mask_len); \ + } \ + } \ + in_count = 0; \ +} + +/*****************************************************************************/ +/* fom */ +#define OUT_FOM_COUNT2(in_count, in_s, in_mask, in_mask_len) \ +{ \ + if (in_count > 0) \ + { \ + if ((in_count % 8) == 0 && in_count < 249) \ + { \ + temp = (0x2 << 5) | (in_count / 8); \ + out_uint8(in_s, temp); \ + out_uint8a(in_s, in_mask, in_mask_len); \ + } \ + else if (in_count < 256) \ + { \ + out_uint8(in_s, 0x40); \ + temp = in_count - 1; \ + out_uint8(in_s, temp); \ + out_uint8a(in_s, in_mask, in_mask_len); \ + } \ + else \ + { \ + out_uint8(in_s, 0xf2); \ + out_uint16_le(in_s, in_count); \ + out_uint8a(in_s, in_mask, in_mask_len); \ + } \ + } \ + in_count = 0; \ +} + +/*****************************************************************************/ +#define TEST_FILL \ +((last_line == 0 && pixel == 0) || \ + (last_line != 0 && pixel == ypixel)) +#define TEST_MIX \ +((last_line == 0 && pixel == mix) || \ + (last_line != 0 && pixel == (ypixel ^ mix))) +#define TEST_FOM (TEST_FILL || TEST_MIX) +#define TEST_COLOR (pixel == last_pixel) +#define TEST_BICOLOR \ +( \ + (pixel != last_pixel) && \ + ( \ + (!bicolor_spin && pixel == bicolor1 && last_pixel == bicolor2) || \ + (bicolor_spin && pixel == bicolor2 && last_pixel == bicolor1) \ + ) \ +) +#define RESET_COUNTS \ +{ \ + bicolor_count = 0; \ + fill_count = 0; \ + color_count = 0; \ + mix_count = 0; \ + fom_count = 0; \ + fom_mask_len = 0; \ + bicolor_spin = 0; \ +} + +/*****************************************************************************/ +int APP_CC +xrdp_bitmap_compress(char* in_data, int width, int height, + struct stream* s, int bpp, int byte_limit, + int start_line, struct stream* temp_s, + int e) +{ + char* line; + char* last_line; + char fom_mask[8192]; + int lines_sent; + int pixel; + int count; + int color_count; + int last_pixel; + int bicolor_count; + int bicolor1; + int bicolor2; + int bicolor_spin; + int end; + int i; + int out_count; + int ypixel; + int last_ypixel; + int fill_count; + int mix_count; + int mix; + int fom_count; + int fom_mask_len; + int temp; /* used in macros */ + + init_stream(temp_s, 0); + fom_mask_len = 0; + last_line = 0; + lines_sent = 0; + end = width + e; + count = 0; + color_count = 0; + last_pixel = 0; + last_ypixel = 0; + bicolor_count = 0; + bicolor1 = 0; + bicolor2 = 0; + bicolor_spin = 0; + fill_count = 0; + mix_count = 0; + fom_count = 0; + if (bpp == 8) + { + mix = 0xff; + out_count = end; + line = in_data + width * start_line; + while (start_line >= 0 && out_count < 32768) + { + i = (s->p - s->data) + count; + if (i - color_count >= byte_limit && + i - bicolor_count >= byte_limit && + i - fill_count >= byte_limit && + i - mix_count >= byte_limit && + i - fom_count >= byte_limit) + { + break; + } + out_count += end; + for (i = 0; i < end; i++) + { + /* read next pixel */ + IN_PIXEL8(line, i, 0, width, last_pixel, pixel); + IN_PIXEL8(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_COUNT1(count, s, temp_s); + OUT_FILL_COUNT1(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_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; +} |