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evas: bug fix in bmp loader 

when the DIB header is BITMAPINFOHEADER (size 40),
a bitmap file has alpha channel only if the compression method is BI_ALPHABITFIELDS (= 6).
the original code enabled alpha channel when the compression method was BI_RGB (= 0),
which made an opaque bmp image loaded as a transparent one.

@fix
This commit is contained in:
Jaeun Choi 2016-11-29 23:27:18 +09:00
parent 3277ffa712
commit b9965ffd8f
1 changed files with 1 additions and 1 deletions
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2
src/modules/evas/image_loaders/bmp/evas_image_load_bmp.c
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@ -205,7 +205,7 @@ _evas_image_load_file_header(void *map, size_t fsize, size_t *position, int *ima
if (!read_int(map, fsize, position, &tmp2)) return EINA_FALSE;
//important_colors = tmp2; // number of important colors - 0 if all
if (*image_size == 0) *image_size = fsize - header->offset;
if ((header->comp == 0) && (header->bit_count == 32)) header->hasa = 1; // GIMP seems to store it this way
if ((header->comp == 6) && (header->bit_count == 32)) header->hasa = 1;
break;
}
case 108: // Windows 95/NT4 + (v4)