| … | |
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| 292 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
292 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
| 293 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
293 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
| 294 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
294 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
| 295 | char *line = ximage->data; |
295 | char *line = ximage->data; |
| 296 | |
296 | |
| 297 | rgba c (0, 0, 0); |
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| 298 | |
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| 299 | if (channels == 4 && alpha_mask == 0) |
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| 300 | { |
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| 301 | //pix_colors[Color_bg].get (c); |
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| 302 | //TODO |
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| 303 | c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D |
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| 304 | c.r >>= 8; |
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| 305 | c.g >>= 8; |
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| 306 | c.b >>= 8; |
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| 307 | } |
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| 308 | |
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| 309 | for (int y = 0; y < height; y++) |
297 | for (int y = 0; y < height; y++) |
| 310 | { |
298 | { |
| 311 | for (int x = 0; x < width; x++) |
299 | for (int x = 0; x < width; x++) |
| 312 | { |
300 | { |
| 313 | unsigned char *pixel = row + x * channels; |
301 | unsigned char *pixel = row + x * channels; |
| … | |
… | |
| 315 | unsigned char r, g, b, a; |
303 | unsigned char r, g, b, a; |
| 316 | |
304 | |
| 317 | if (channels == 4) |
305 | if (channels == 4) |
| 318 | { |
306 | { |
| 319 | a = pixel[3]; |
307 | a = pixel[3]; |
| 320 | r = (pixel[0] * a + c.r * (0xff - a)) / 0xff; |
308 | r = pixel[0] * a / 0xff; |
| 321 | g = (pixel[1] * a + c.g * (0xff - a)) / 0xff; |
309 | g = pixel[1] * a / 0xff; |
| 322 | b = (pixel[2] * a + c.b * (0xff - a)) / 0xff; |
310 | b = pixel[2] * a / 0xff; |
| 323 | } |
311 | } |
| 324 | else |
312 | else |
| 325 | { |
313 | { |
| 326 | a = 0xff; |
314 | a = 0xff; |
| 327 | r = pixel[0]; |
315 | r = pixel[0]; |
