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Searched refs:trans_alpha (Results 1 – 25 of 25) sorted by relevance

/external/libpng/contrib/examples/
Dpngpixel.c97 png_bytep trans_alpha = NULL; in print_pixel() local
99 if ((png_get_tRNS(png_ptr, info_ptr, &trans_alpha, &num_trans, in print_pixel()
101 trans_alpha != NULL) in print_pixel()
105 index < num_trans ? trans_alpha[index] : 255); in print_pixel()
/external/pdfium/third_party/libpng16/
Dpngget.c1064 png_bytep *trans_alpha, int *num_trans, png_color_16p *trans_color) in png_get_tRNS() argument
1074 if (trans_alpha != NULL) in png_get_tRNS()
1076 *trans_alpha = info_ptr->trans_alpha; in png_get_tRNS()
1092 if (trans_alpha != NULL) in png_get_tRNS()
1093 *trans_alpha = NULL; in png_get_tRNS()
Dpngset.c946 png_const_bytep trans_alpha, int num_trans, png_const_color_16p trans_color) in png_set_tRNS() argument
954 if (trans_alpha != NULL) in png_set_tRNS()
970 info_ptr->trans_alpha = png_voidcast(png_bytep, in png_set_tRNS()
973 memcpy(info_ptr->trans_alpha, trans_alpha, (png_size_t)num_trans); in png_set_tRNS()
975 png_ptr->trans_alpha = info_ptr->trans_alpha; in png_set_tRNS()
Dpngrtran.c1123 if (png_ptr->trans_alpha[i] == 255) in png_init_palette_transformations()
1125 else if (png_ptr->trans_alpha[i] == 0) in png_init_palette_transformations()
1181 png_ptr->trans_alpha[i] = (png_byte)(255 - in png_init_palette_transformations()
1182 png_ptr->trans_alpha[i]); in png_init_palette_transformations()
1675 png_ptr->trans_alpha[i] != 0xff) in png_init_read_transformations()
1677 if (png_ptr->trans_alpha[i] == 0) in png_init_read_transformations()
1686 png_composite(w, v, png_ptr->trans_alpha[i], back_1.red); in png_init_read_transformations()
1690 png_composite(w, v, png_ptr->trans_alpha[i], back_1.green); in png_init_read_transformations()
1694 png_composite(w, v, png_ptr->trans_alpha[i], back_1.blue); in png_init_read_transformations()
1851 if (png_ptr->trans_alpha[i] == 0) in png_init_read_transformations()
[all …]
Dpnginfo.h153 png_bytep trans_alpha; /* alpha values for paletted image */ member
Dpngstruct.h315 png_bytep trans_alpha; /* alpha values for paletted files */ member
Dpngwrite.c227 info_ptr->trans_alpha[j] = in png_write_info()
228 (png_byte)(255 - info_ptr->trans_alpha[j]); in png_write_info()
231 png_write_tRNS(png_ptr, info_ptr->trans_alpha, &(info_ptr->trans_color), in png_write_info()
Dpngread.c962 png_free(png_ptr, png_ptr->trans_alpha); in png_read_destroy()
963 png_ptr->trans_alpha = NULL; in png_read_destroy()
2789 png_const_bytep trans = num_trans > 0 ? png_ptr->trans_alpha : NULL; in png_image_read_colormap()
Dpng.h2166 png_inforp info_ptr, png_bytep *trans_alpha, int *num_trans,
2172 png_inforp info_ptr, png_const_bytep trans_alpha, int num_trans,
Dpngwutil.c1343 png_write_tRNS(png_structrp png_ptr, png_const_bytep trans_alpha, in png_write_tRNS() argument
1360 png_write_complete_chunk(png_ptr, png_tRNS, trans_alpha, in png_write_tRNS()
Dpng.c489 png_free(png_ptr, info_ptr->trans_alpha); in png_free_data()
490 info_ptr->trans_alpha = NULL; in png_free_data()
/external/libpng/
Dpngget.c1093 png_bytep *trans_alpha, int *num_trans, png_color_16p *trans_color) in png_get_tRNS() argument
1103 if (trans_alpha != NULL) in png_get_tRNS()
1105 *trans_alpha = info_ptr->trans_alpha; in png_get_tRNS()
1121 if (trans_alpha != NULL) in png_get_tRNS()
1122 *trans_alpha = NULL; in png_get_tRNS()
Dpngset.c995 png_const_bytep trans_alpha, int num_trans, png_const_color_16p trans_color) in png_set_tRNS() argument
1003 if (trans_alpha != NULL) in png_set_tRNS()
1019 info_ptr->trans_alpha = png_voidcast(png_bytep, in png_set_tRNS()
1021 memcpy(info_ptr->trans_alpha, trans_alpha, (png_size_t)num_trans); in png_set_tRNS()
1023 png_ptr->trans_alpha = info_ptr->trans_alpha; in png_set_tRNS()
Dpngrtran.c1126 if (png_ptr->trans_alpha[i] == 255) in png_init_palette_transformations()
1128 else if (png_ptr->trans_alpha[i] == 0) in png_init_palette_transformations()
1184 png_ptr->trans_alpha[i] = (png_byte)(255 - in png_init_palette_transformations()
1185 png_ptr->trans_alpha[i]); in png_init_palette_transformations()
1678 png_ptr->trans_alpha[i] != 0xff) in png_init_read_transformations()
1680 if (png_ptr->trans_alpha[i] == 0) in png_init_read_transformations()
1689 png_composite(w, v, png_ptr->trans_alpha[i], back_1.red); in png_init_read_transformations()
1693 png_composite(w, v, png_ptr->trans_alpha[i], back_1.green); in png_init_read_transformations()
1697 png_composite(w, v, png_ptr->trans_alpha[i], back_1.blue); in png_init_read_transformations()
1854 if (png_ptr->trans_alpha[i] == 0) in png_init_read_transformations()
[all …]
Dpnginfo.h153 png_bytep trans_alpha; /* alpha values for paletted image */ member
Dpngstruct.h315 png_bytep trans_alpha; /* alpha values for paletted files */ member
Dpngtest.c1364 png_bytep trans_alpha; in test_one_file() local
1368 if (png_get_tRNS(read_ptr, read_info_ptr, &trans_alpha, &num_trans, in test_one_file()
1379 png_set_tRNS(write_ptr, write_info_ptr, trans_alpha, num_trans, in test_one_file()
Dpngwrite.c227 info_ptr->trans_alpha[j] = in png_write_info()
228 (png_byte)(255 - info_ptr->trans_alpha[j]); in png_write_info()
231 png_write_tRNS(png_ptr, info_ptr->trans_alpha, &(info_ptr->trans_color), in png_write_info()
Dpngread.c973 png_free(png_ptr, png_ptr->trans_alpha); in png_read_destroy()
974 png_ptr->trans_alpha = NULL; in png_read_destroy()
2803 png_const_bytep trans = num_trans > 0 ? png_ptr->trans_alpha : NULL; in png_image_read_colormap()
Dpng.h2172 png_inforp info_ptr, png_bytep *trans_alpha, int *num_trans,
2178 png_inforp info_ptr, png_const_bytep trans_alpha, int num_trans,
Dpngwutil.c1350 png_write_tRNS(png_structrp png_ptr, png_const_bytep trans_alpha, in png_write_tRNS() argument
1367 png_write_complete_chunk(png_ptr, png_tRNS, trans_alpha, in png_write_tRNS()
Dpng.c510 png_free(png_ptr, info_ptr->trans_alpha); in png_free_data()
511 info_ptr->trans_alpha = NULL; in png_free_data()
Dlibpng-manual.txt1453 png_get_tRNS(png_ptr, info_ptr, &trans_alpha,
1456 trans_alpha - array of alpha (transparency)
3102 png_set_tRNS(png_ptr, info_ptr, trans_alpha,
3105 trans_alpha - array of alpha (transparency)
4734 changed to "trans_alpha" and "trans_color", respectively.
DCHANGES2377 Changed png_ptr and info_ptr member "trans" to "trans_alpha".
/external/libpng/contrib/libtests/
Dpngvalid.c5048 png_bytep trans_alpha; in read_palette() local
5083 trans_alpha = 0; in read_palette()
5085 if ((png_get_tRNS(pp, pi, &trans_alpha, &num, 0) & PNG_INFO_tRNS) != 0 && in read_palette()
5086 (trans_alpha != NULL || num != 1/*returns 1 for a transparent color*/) && in read_palette()
5092 !(trans_alpha != NULL && num == 0)) /* TODO: fix this in libpng. */ in read_palette()
5102 if (trans_alpha == NULL || num <= 0 || num > 256 || num > *npalette) in read_palette()
5106 palette[i].alpha = trans_alpha[i]; in read_palette()