| … | |
… | |
| 3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
| 4 | * |
4 | * |
| 5 | * All portions of code are copyright by their respective author/s. |
5 | * All portions of code are copyright by their respective author/s. |
| 6 | * Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de> |
6 | * Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de> |
| 7 | * Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net> |
7 | * Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net> |
| 8 | * Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it> |
8 | * Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it> |
| 9 | * |
9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
13 | * (at your option) any later version. |
| … | |
… | |
| 348 | unsigned int width, unsigned int height) |
348 | unsigned int width, unsigned int height) |
| 349 | { |
349 | { |
| 350 | XImage *ximage; |
350 | XImage *ximage; |
| 351 | char *data, *line; |
351 | char *data, *line; |
| 352 | int bytes_per_pixel; |
352 | int bytes_per_pixel; |
| 353 | int width_r, width_g, width_b; |
353 | int width_r, width_g, width_b, width_a; |
| 354 | int sh_r, sh_g, sh_b; |
354 | int sh_r, sh_g, sh_b, sh_a; |
|
|
355 | uint32_t alpha_mask; |
| 355 | int rowstride; |
356 | int rowstride; |
| 356 | int channels; |
357 | int channels; |
| 357 | unsigned char *row; |
358 | unsigned char *row; |
| 358 | |
359 | |
| 359 | if (visual->c_class != TrueColor) |
360 | if (visual->c_class != TrueColor) |
| 360 | return false; |
361 | return false; |
|
|
362 | |
|
|
363 | #if XRENDER |
|
|
364 | XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); |
|
|
365 | if (format) |
|
|
366 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
|
|
367 | else |
|
|
368 | #endif |
|
|
369 | alpha_mask = 0; |
| 361 | |
370 | |
| 362 | if (depth == 24 || depth == 32) |
371 | if (depth == 24 || depth == 32) |
| 363 | bytes_per_pixel = 4; |
372 | bytes_per_pixel = 4; |
| 364 | else if (depth == 15 || depth == 16) |
373 | else if (depth == 15 || depth == 16) |
| 365 | bytes_per_pixel = 2; |
374 | bytes_per_pixel = 2; |
| … | |
… | |
| 367 | return false; |
376 | return false; |
| 368 | |
377 | |
| 369 | width_r = ecb_popcount32 (visual->red_mask); |
378 | width_r = ecb_popcount32 (visual->red_mask); |
| 370 | width_g = ecb_popcount32 (visual->green_mask); |
379 | width_g = ecb_popcount32 (visual->green_mask); |
| 371 | width_b = ecb_popcount32 (visual->blue_mask); |
380 | width_b = ecb_popcount32 (visual->blue_mask); |
|
|
381 | width_a = ecb_popcount32 (alpha_mask); |
| 372 | |
382 | |
| 373 | if (width_r > 8 || width_g > 8 || width_b > 8) |
383 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
| 374 | return false; |
384 | return false; |
| 375 | |
385 | |
| 376 | sh_r = ecb_ctz32 (visual->red_mask); |
386 | sh_r = ecb_ctz32 (visual->red_mask); |
| 377 | sh_g = ecb_ctz32 (visual->green_mask); |
387 | sh_g = ecb_ctz32 (visual->green_mask); |
| 378 | sh_b = ecb_ctz32 (visual->blue_mask); |
388 | sh_b = ecb_ctz32 (visual->blue_mask); |
|
|
389 | sh_a = ecb_ctz32 (alpha_mask); |
| 379 | |
390 | |
| 380 | if (width > INT_MAX / height / bytes_per_pixel) |
391 | if (width > INT_MAX / height / bytes_per_pixel) |
| 381 | return false; |
392 | return false; |
| 382 | |
393 | |
| 383 | data = (char *)malloc (width * height * bytes_per_pixel); |
394 | data = (char *)malloc (width * height * bytes_per_pixel); |
| … | |
… | |
| 397 | rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
408 | rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
| 398 | channels = gdk_pixbuf_get_n_channels (pixbuf); |
409 | channels = gdk_pixbuf_get_n_channels (pixbuf); |
| 399 | row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
410 | row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
| 400 | line = data; |
411 | line = data; |
| 401 | |
412 | |
|
|
413 | rgba c (0, 0, 0); |
|
|
414 | |
|
|
415 | if (channels == 4 && alpha_mask == 0) |
|
|
416 | { |
|
|
417 | pix_colors[Color_bg].get (c); |
|
|
418 | c.r >>= 8; |
|
|
419 | c.g >>= 8; |
|
|
420 | c.b >>= 8; |
|
|
421 | } |
|
|
422 | |
| 402 | for (int y = 0; y < height; y++) |
423 | for (int y = 0; y < height; y++) |
| 403 | { |
424 | { |
| 404 | for (int x = 0; x < width; x++) |
425 | for (int x = 0; x < width; x++) |
| 405 | { |
426 | { |
| 406 | unsigned char *pixel = row + x * channels; |
427 | unsigned char *pixel = row + x * channels; |
| 407 | uint32_t value; |
428 | uint32_t value; |
|
|
429 | unsigned char r, g, b, a; |
| 408 | |
430 | |
|
|
431 | if (channels == 4) |
|
|
432 | { |
|
|
433 | a = pixel[3]; |
|
|
434 | r = (pixel[0] * a + c.r * (0xff - a)) / 0xff; |
|
|
435 | g = (pixel[1] * a + c.g * (0xff - a)) / 0xff; |
|
|
436 | b = (pixel[2] * a + c.b * (0xff - a)) / 0xff; |
|
|
437 | } |
|
|
438 | else |
|
|
439 | { |
|
|
440 | a = 0xff; |
|
|
441 | r = pixel[0]; |
|
|
442 | g = pixel[1]; |
|
|
443 | b = pixel[2]; |
|
|
444 | } |
|
|
445 | |
| 409 | value = ((pixel[0] >> (8 - width_r)) << sh_r) |
446 | value = ((r >> (8 - width_r)) << sh_r) |
| 410 | | ((pixel[1] >> (8 - width_g)) << sh_g) |
447 | | ((g >> (8 - width_g)) << sh_g) |
| 411 | | ((pixel[2] >> (8 - width_b)) << sh_b); |
448 | | ((b >> (8 - width_b)) << sh_b) |
|
|
449 | | ((a >> (8 - width_a)) << sh_a); |
| 412 | |
450 | |
| 413 | if (bytes_per_pixel == 4) |
451 | if (bytes_per_pixel == 4) |
| 414 | ((uint32_t *)line)[x] = value; |
452 | ((uint32_t *)line)[x] = value; |
| 415 | else |
453 | else |
| 416 | ((uint16_t *)line)[x] = value; |
454 | ((uint16_t *)line)[x] = value; |
| … | |
… | |
| 1144 | } |
1182 | } |
| 1145 | |
1183 | |
| 1146 | void |
1184 | void |
| 1147 | rxvt_term::tint_ximage (Visual *visual, XImage *ximage) |
1185 | rxvt_term::tint_ximage (Visual *visual, XImage *ximage) |
| 1148 | { |
1186 | { |
|
|
1187 | unsigned int size_r, size_g, size_b; |
| 1149 | int sh_r, sh_g, sh_b; |
1188 | int sh_r, sh_g, sh_b; |
| 1150 | uint32_t mask_r, mask_g, mask_b; |
1189 | uint32_t mask_r, mask_g, mask_b; |
| 1151 | uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; |
1190 | uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; |
| 1152 | unsigned short low; |
1191 | unsigned short low; |
| 1153 | int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
1192 | int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
| … | |
… | |
| 1158 | mask_r = visual->red_mask; |
1197 | mask_r = visual->red_mask; |
| 1159 | mask_g = visual->green_mask; |
1198 | mask_g = visual->green_mask; |
| 1160 | mask_b = visual->blue_mask; |
1199 | mask_b = visual->blue_mask; |
| 1161 | |
1200 | |
| 1162 | /* boring lookup table pre-initialization */ |
1201 | /* boring lookup table pre-initialization */ |
| 1163 | switch (ximage->depth) |
1202 | sh_r = ecb_ctz32 (mask_r); |
| 1164 | { |
1203 | sh_g = ecb_ctz32 (mask_g); |
| 1165 | case 15: |
1204 | sh_b = ecb_ctz32 (mask_b); |
| 1166 | if ((mask_r != 0x7c00) || |
1205 | |
| 1167 | (mask_g != 0x03e0) || |
1206 | size_r = mask_r >> sh_r; |
| 1168 | (mask_b != 0x001f)) |
1207 | size_g = mask_g >> sh_g; |
|
|
1208 | size_b = mask_b >> sh_b; |
|
|
1209 | |
|
|
1210 | if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255) |
| 1169 | return; |
1211 | return; |
| 1170 | lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32)); |
1212 | |
|
|
1213 | lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b)); |
| 1171 | lookup_r = lookup; |
1214 | lookup_r = lookup; |
| 1172 | lookup_g = lookup+32; |
1215 | lookup_g = lookup + size_r; |
| 1173 | lookup_b = lookup+32+32; |
1216 | lookup_b = lookup + size_r + size_g; |
| 1174 | sh_r = 10; |
|
|
| 1175 | sh_g = 5; |
|
|
| 1176 | sh_b = 0; |
|
|
| 1177 | break; |
|
|
| 1178 | case 16: |
|
|
| 1179 | if ((mask_r != 0xf800) || |
|
|
| 1180 | (mask_g != 0x07e0) || |
|
|
| 1181 | (mask_b != 0x001f)) |
|
|
| 1182 | return; |
|
|
| 1183 | lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32)); |
|
|
| 1184 | lookup_r = lookup; |
|
|
| 1185 | lookup_g = lookup+32; |
|
|
| 1186 | lookup_b = lookup+32+64; |
|
|
| 1187 | sh_r = 11; |
|
|
| 1188 | sh_g = 5; |
|
|
| 1189 | sh_b = 0; |
|
|
| 1190 | break; |
|
|
| 1191 | case 24: |
|
|
| 1192 | if ((mask_r != 0xff0000) || |
|
|
| 1193 | (mask_g != 0x00ff00) || |
|
|
| 1194 | (mask_b != 0x0000ff)) |
|
|
| 1195 | return; |
|
|
| 1196 | lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256)); |
|
|
| 1197 | lookup_r = lookup; |
|
|
| 1198 | lookup_g = lookup+256; |
|
|
| 1199 | lookup_b = lookup+256+256; |
|
|
| 1200 | sh_r = 16; |
|
|
| 1201 | sh_g = 8; |
|
|
| 1202 | sh_b = 0; |
|
|
| 1203 | break; |
|
|
| 1204 | case 32: |
|
|
| 1205 | if ((mask_r != 0xff0000) || |
|
|
| 1206 | (mask_g != 0x00ff00) || |
|
|
| 1207 | (mask_b != 0x0000ff)) |
|
|
| 1208 | return; |
|
|
| 1209 | lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256)); |
|
|
| 1210 | lookup_r = lookup; |
|
|
| 1211 | lookup_g = lookup+256; |
|
|
| 1212 | lookup_b = lookup+256+256; |
|
|
| 1213 | sh_r = 16; |
|
|
| 1214 | sh_g = 8; |
|
|
| 1215 | sh_b = 0; |
|
|
| 1216 | break; |
|
|
| 1217 | default: |
|
|
| 1218 | return; /* we do not support this color depth */ |
|
|
| 1219 | } |
|
|
| 1220 | |
1217 | |
| 1221 | rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); |
1218 | rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); |
| 1222 | |
1219 | |
| 1223 | if (bg_flags & BG_TINT_SET) |
1220 | if (bg_flags & BG_TINT_SET) |
| 1224 | tint.get (c); |
1221 | tint.get (c); |
| … | |
… | |
| 1246 | fill_lut (lookup_g, mask_g, sh_g, low, c.g); |
1243 | fill_lut (lookup_g, mask_g, sh_g, low, c.g); |
| 1247 | fill_lut (lookup_b, mask_b, sh_b, low, c.b); |
1244 | fill_lut (lookup_b, mask_b, sh_b, low, c.b); |
| 1248 | |
1245 | |
| 1249 | /* apply table to input image (replacing colors by newly calculated ones) */ |
1246 | /* apply table to input image (replacing colors by newly calculated ones) */ |
| 1250 | if (ximage->bits_per_pixel == 32 |
1247 | if (ximage->bits_per_pixel == 32 |
| 1251 | && (ximage->depth == 24 || ximage->depth == 32) |
|
|
| 1252 | && ximage->byte_order == host_byte_order) |
1248 | && ximage->byte_order == host_byte_order) |
| 1253 | { |
1249 | { |
| 1254 | uint32_t *p1, *pf, *p, *pl; |
1250 | char *line = ximage->data; |
| 1255 | p1 = (uint32_t *) ximage->data; |
|
|
| 1256 | pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line); |
|
|
| 1257 | |
1251 | |
| 1258 | while (p1 < pf) |
1252 | for (int y = 0; y < ximage->height; y++) |
| 1259 | { |
|
|
| 1260 | p = p1; |
|
|
| 1261 | pl = p1 + ximage->width; |
|
|
| 1262 | for (; p < pl; p++) |
|
|
| 1263 | { |
1253 | { |
| 1264 | *p = lookup_r[(*p & 0xff0000) >> 16] | |
1254 | uint32_t *p = (uint32_t *)line; |
| 1265 | lookup_g[(*p & 0x00ff00) >> 8] | |
1255 | for (int x = 0; x < ximage->width; x++) |
| 1266 | lookup_b[(*p & 0x0000ff)] | |
|
|
| 1267 | (*p & 0xff000000); |
|
|
| 1268 | } |
1256 | { |
| 1269 | p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line); |
1257 | *p = lookup_r[(*p & mask_r) >> sh_r] | |
|
|
1258 | lookup_g[(*p & mask_g) >> sh_g] | |
|
|
1259 | lookup_b[(*p & mask_b) >> sh_b]; |
|
|
1260 | p++; |
|
|
1261 | } |
|
|
1262 | line += ximage->bytes_per_line; |
| 1270 | } |
1263 | } |
| 1271 | } |
1264 | } |
| 1272 | else |
1265 | else |
| 1273 | { |
1266 | { |
| 1274 | for (int y = 0; y < ximage->height; y++) |
1267 | for (int y = 0; y < ximage->height; y++) |
