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Searched refs:png_ptr (Results 1 – 25 of 120) sorted by relevance

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/external/syslinux/com32/lib/libpng/
Dpngpread.c31 png_process_data(png_structp png_ptr, png_infop info_ptr, in png_process_data() argument
34 if (png_ptr == NULL || info_ptr == NULL) in png_process_data()
37 png_push_restore_buffer(png_ptr, buffer, buffer_size); in png_process_data()
39 while (png_ptr->buffer_size) in png_process_data()
41 png_process_some_data(png_ptr, info_ptr); in png_process_data()
49 png_process_some_data(png_structp png_ptr, png_infop info_ptr) in png_process_some_data() argument
51 if (png_ptr == NULL) in png_process_some_data()
54 switch (png_ptr->process_mode) in png_process_some_data()
58 png_push_read_sig(png_ptr, info_ptr); in png_process_some_data()
64 png_push_read_chunk(png_ptr, info_ptr); in png_process_some_data()
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Dpngread.c47 png_structp png_ptr; in png_create_read_struct_2() local
60 png_ptr = (png_structp)png_create_struct_2(PNG_STRUCT_PNG, in png_create_read_struct_2()
63 png_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG); in png_create_read_struct_2()
65 if (png_ptr == NULL) in png_create_read_struct_2()
70 png_ptr->user_width_max = PNG_USER_WIDTH_MAX; in png_create_read_struct_2()
71 png_ptr->user_height_max = PNG_USER_HEIGHT_MAX; in png_create_read_struct_2()
74 png_ptr->user_chunk_cache_max = PNG_USER_CHUNK_CACHE_MAX; in png_create_read_struct_2()
78 png_ptr->user_chunk_malloc_max = PNG_USER_CHUNK_MALLOC_MAX; in png_create_read_struct_2()
86 if (setjmp(png_ptr->jmpbuf)) in png_create_read_struct_2()
89 png_free(png_ptr, png_ptr->zbuf); in png_create_read_struct_2()
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Dpngrutil.c29 __inline double png_strtod(png_structp png_ptr, PNG_CONST char *nptr, in png_strtod() argument
37 str = (wchar_t *)png_malloc(png_ptr, len * png_sizeof(wchar_t)); in png_strtod()
44 png_free(png_ptr, str); in png_strtod()
54 png_get_uint_31(png_structp png_ptr, png_bytep buf) in png_get_uint_31() argument
66 png_error(png_ptr, "PNG unsigned integer out of range."); in png_get_uint_31()
112 png_read_chunk_header(png_structp png_ptr) in png_read_chunk_header() argument
118 png_read_data(png_ptr, buf, 8); in png_read_chunk_header()
119 length = png_get_uint_31(png_ptr, buf); in png_read_chunk_header()
122 png_memcpy(png_ptr->chunk_name, buf + 4, 4); in png_read_chunk_header()
125 png_ptr->chunk_name, length); in png_read_chunk_header()
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Dpngwrite.c30 png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr) in png_write_info_before_PLTE() argument
34 if (png_ptr == NULL || info_ptr == NULL) in png_write_info_before_PLTE()
36 if (!(png_ptr->mode & PNG_WROTE_INFO_BEFORE_PLTE)) in png_write_info_before_PLTE()
39 png_write_sig(png_ptr); in png_write_info_before_PLTE()
41 if ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) && \ in png_write_info_before_PLTE()
42 (png_ptr->mng_features_permitted)) in png_write_info_before_PLTE()
44 png_warning(png_ptr, "MNG features are not allowed in a PNG datastream"); in png_write_info_before_PLTE()
45 png_ptr->mng_features_permitted = 0; in png_write_info_before_PLTE()
49 png_write_IHDR(png_ptr, info_ptr->width, info_ptr->height, in png_write_info_before_PLTE()
64 png_write_gAMA(png_ptr, info_ptr->gamma); in png_write_info_before_PLTE()
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Dpngwutil.c63 png_write_sig(png_structp png_ptr) in png_write_sig() argument
68 png_write_data(png_ptr, &png_signature[png_ptr->sig_bytes], in png_write_sig()
69 (png_size_t)(8 - png_ptr->sig_bytes)); in png_write_sig()
70 if (png_ptr->sig_bytes < 3) in png_write_sig()
71 png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE; in png_write_sig()
84 png_write_chunk(png_structp png_ptr, png_bytep chunk_name, in png_write_chunk() argument
87 if (png_ptr == NULL) in png_write_chunk()
89 png_write_chunk_start(png_ptr, chunk_name, (png_uint_32)length); in png_write_chunk()
90 png_write_chunk_data(png_ptr, data, (png_size_t)length); in png_write_chunk()
91 png_write_chunk_end(png_ptr); in png_write_chunk()
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Dpngmem.c57 png_structp png_ptr = &dummy_struct; in png_create_struct_2() local
58 png_ptr->mem_ptr=mem_ptr; in png_create_struct_2()
59 struct_ptr = (*(malloc_fn))(png_ptr, (png_uint_32)size); in png_create_struct_2()
89 png_structp png_ptr = &dummy_struct; in png_destroy_struct_2() local
90 png_ptr->mem_ptr=mem_ptr; in png_destroy_struct_2()
91 (*(free_fn))(png_ptr, struct_ptr); in png_destroy_struct_2()
119 png_calloc(png_structp png_ptr, png_uint_32 size) in png_calloc() argument
123 ret = (png_malloc(png_ptr, size)); in png_calloc()
130 png_malloc(png_structp png_ptr, png_uint_32 size) in png_malloc() argument
134 if (png_ptr == NULL || size == 0) in png_malloc()
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Dexample.c34 # define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
85 png_structp png_ptr;
98 png_structp png_ptr;
110 png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,
113 if (png_ptr == NULL)
120 info_ptr = png_create_info_struct(png_ptr);
124 png_destroy_read_struct(&png_ptr, png_infopp_NULL, png_infopp_NULL);
133 if (setjmp(png_jmpbuf(png_ptr)))
136 png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);
145 png_init_io(png_ptr, fp);
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Dpngrtran.c26 png_set_crc_action(png_structp png_ptr, int crit_action, int ancil_action) in png_set_crc_action() argument
30 if (png_ptr == NULL) in png_set_crc_action()
40 png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK; in png_set_crc_action()
41 png_ptr->flags |= PNG_FLAG_CRC_CRITICAL_USE; in png_set_crc_action()
45 png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK; in png_set_crc_action()
46 png_ptr->flags |= PNG_FLAG_CRC_CRITICAL_USE | in png_set_crc_action()
51 png_warning(png_ptr, in png_set_crc_action()
57 png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK; in png_set_crc_action()
68 png_ptr->flags &= ~PNG_FLAG_CRC_ANCILLARY_MASK; in png_set_crc_action()
69 png_ptr->flags |= PNG_FLAG_CRC_ANCILLARY_USE; in png_set_crc_action()
[all …]
/external/libpng/
Dpngpread.c29 if (png_ptr->push_length + 4 > png_ptr->buffer_size) \
30 { png_push_save_buffer(png_ptr); return; }
32 if (png_ptr->buffer_size < N) \
33 { png_push_save_buffer(png_ptr); return; }
36 png_process_data(png_structrp png_ptr, png_inforp info_ptr, in png_process_data() argument
39 if (png_ptr == NULL || info_ptr == NULL) in png_process_data()
42 png_push_restore_buffer(png_ptr, buffer, buffer_size); in png_process_data()
44 while (png_ptr->buffer_size) in png_process_data()
46 png_process_some_data(png_ptr, info_ptr); in png_process_data()
51 png_process_data_pause(png_structrp png_ptr, int save) in png_process_data_pause() argument
[all …]
Dpngrutil.c22 png_get_uint_31(png_const_structrp png_ptr, png_const_bytep buf) in png_get_uint_31() argument
27 png_error(png_ptr, "PNG unsigned integer out of range"); in png_get_uint_31()
41 png_get_fixed_point(png_structrp png_ptr, png_const_bytep buf) in png_get_fixed_point() argument
49 if (png_ptr != NULL) in png_get_fixed_point()
50 png_warning(png_ptr, "PNG fixed point integer out of range"); in png_get_fixed_point()
121 png_read_sig(png_structrp png_ptr, png_inforp info_ptr) in png_read_sig() argument
126 if (png_ptr->sig_bytes >= 8) in png_read_sig()
129 num_checked = png_ptr->sig_bytes; in png_read_sig()
133 png_ptr->io_state = PNG_IO_READING | PNG_IO_SIGNATURE; in png_read_sig()
137 png_read_data(png_ptr, &(info_ptr->signature[num_checked]), num_to_check); in png_read_sig()
[all …]
Dpngwutil.c51 png_write_sig(png_structrp png_ptr) in png_write_sig() argument
57 png_ptr->io_state = PNG_IO_WRITING | PNG_IO_SIGNATURE; in png_write_sig()
61 png_write_data(png_ptr, &png_signature[png_ptr->sig_bytes], in png_write_sig()
62 (png_size_t)(8 - png_ptr->sig_bytes)); in png_write_sig()
64 if (png_ptr->sig_bytes < 3) in png_write_sig()
65 png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE; in png_write_sig()
73 png_write_chunk_header(png_structrp png_ptr, png_uint_32 chunk_name, in png_write_chunk_header() argument
83 if (png_ptr == NULL) in png_write_chunk_header()
90 png_ptr->io_state = PNG_IO_WRITING | PNG_IO_CHUNK_HDR; in png_write_chunk_header()
96 png_write_data(png_ptr, buf, 8); in png_write_chunk_header()
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Dpngwrite.c24 write_unknown_chunks(png_structrp png_ptr, png_const_inforp info_ptr, in write_unknown_chunks() argument
42 int keep = png_handle_as_unknown(png_ptr, up->name); in write_unknown_chunks()
60 png_ptr->unknown_default == PNG_HANDLE_CHUNK_ALWAYS))) in write_unknown_chunks()
65 png_warning(png_ptr, "Writing zero-length unknown chunk"); in write_unknown_chunks()
67 png_write_chunk(png_ptr, up->name, up->data, up->size); in write_unknown_chunks()
84 png_write_info_before_PLTE(png_structrp png_ptr, png_const_inforp info_ptr) in png_write_info_before_PLTE() argument
88 if (png_ptr == NULL || info_ptr == NULL) in png_write_info_before_PLTE()
91 if ((png_ptr->mode & PNG_WROTE_INFO_BEFORE_PLTE) == 0) in png_write_info_before_PLTE()
94 png_write_sig(png_ptr); in png_write_info_before_PLTE()
97 if ((png_ptr->mode & PNG_HAVE_PNG_SIGNATURE) != 0 && \ in png_write_info_before_PLTE()
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Dpngread.c30 png_structp png_ptr = png_create_png_struct(user_png_ver, error_ptr, variable
45 png_structp png_ptr = png_create_png_struct(user_png_ver, error_ptr,
49 if (png_ptr != NULL)
51 png_ptr->mode = PNG_IS_READ_STRUCT;
57 png_ptr->IDAT_read_size = PNG_IDAT_READ_SIZE;
61 png_ptr->flags |= PNG_FLAG_BENIGN_ERRORS_WARN;
67 png_ptr->flags |= PNG_FLAG_APP_WARNINGS_WARN;
75 png_set_read_fn(png_ptr, NULL, NULL);
78 return png_ptr;
92 png_read_info(png_structrp png_ptr, png_inforp info_ptr) in png_read_info() argument
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Dpngrtran.c25 png_set_crc_action(png_structrp png_ptr, int crit_action, int ancil_action) in png_set_crc_action() argument
29 if (png_ptr == NULL) in png_set_crc_action()
39 png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK; in png_set_crc_action()
40 png_ptr->flags |= PNG_FLAG_CRC_CRITICAL_USE; in png_set_crc_action()
44 png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK; in png_set_crc_action()
45 png_ptr->flags |= PNG_FLAG_CRC_CRITICAL_USE | in png_set_crc_action()
50 png_warning(png_ptr, in png_set_crc_action()
57 png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK; in png_set_crc_action()
68 png_ptr->flags &= ~PNG_FLAG_CRC_ANCILLARY_MASK; in png_set_crc_action()
69 png_ptr->flags |= PNG_FLAG_CRC_ANCILLARY_USE; in png_set_crc_action()
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Dexample.c221 # define png_jmpbuf(png_ptr) ((png_ptr)->png_jmpbuf)
272 png_structp png_ptr;
285 png_structp png_ptr;
297 png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,
300 if (png_ptr == NULL)
307 info_ptr = png_create_info_struct(png_ptr);
311 png_destroy_read_struct(&png_ptr, NULL, NULL);
320 if (setjmp(png_jmpbuf(png_ptr)))
323 png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
332 png_init_io(png_ptr, fp);
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Dpngerror.c23 static PNG_FUNCTION(void, png_default_error,PNGARG((png_const_structrp png_ptr,
28 png_default_warning PNGARG((png_const_structrp png_ptr,
39 png_error,(png_const_structrp png_ptr, png_const_charp error_message),
44 if (png_ptr != NULL)
46 if ((png_ptr->flags &
57 if ((png_ptr->flags & PNG_FLAG_STRIP_ERROR_TEXT) != 0)
72 if ((png_ptr->flags & PNG_FLAG_STRIP_ERROR_TEXT) != 0)
82 if (png_ptr != NULL && png_ptr->error_fn != NULL)
83 (*(png_ptr->error_fn))(png_constcast(png_structrp,png_ptr),
88 png_default_error(png_ptr, error_message);
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Dpngset.c25 png_set_bKGD(png_const_structrp png_ptr, png_inforp info_ptr, in png_set_bKGD() argument
30 if (png_ptr == NULL || info_ptr == NULL || background == NULL) in png_set_bKGD()
40 png_set_cHRM_fixed(png_const_structrp png_ptr, png_inforp info_ptr, in png_set_cHRM_fixed() argument
49 if (png_ptr == NULL || info_ptr == NULL) in png_set_cHRM_fixed()
61 if (png_colorspace_set_chromaticities(png_ptr, &info_ptr->colorspace, &xy, in png_set_cHRM_fixed()
65 png_colorspace_sync_info(png_ptr, info_ptr); in png_set_cHRM_fixed()
69 png_set_cHRM_XYZ_fixed(png_const_structrp png_ptr, png_inforp info_ptr, in png_set_cHRM_XYZ_fixed() argument
80 if (png_ptr == NULL || info_ptr == NULL) in png_set_cHRM_XYZ_fixed()
93 if (png_colorspace_set_endpoints(png_ptr, &info_ptr->colorspace, in png_set_cHRM_XYZ_fixed()
97 png_colorspace_sync_info(png_ptr, info_ptr); in png_set_cHRM_XYZ_fixed()
[all …]
/external/pdfium/third_party/libpng16/
Dpngpread.c29 if (png_ptr->push_length + 4 > png_ptr->buffer_size) \
30 { png_push_save_buffer(png_ptr); return; }
32 if (png_ptr->buffer_size < N) \
33 { png_push_save_buffer(png_ptr); return; }
36 png_process_data(png_structrp png_ptr, png_inforp info_ptr, in png_process_data() argument
39 if (png_ptr == NULL || info_ptr == NULL) in png_process_data()
42 png_push_restore_buffer(png_ptr, buffer, buffer_size); in png_process_data()
44 while (png_ptr->buffer_size) in png_process_data()
46 png_process_some_data(png_ptr, info_ptr); in png_process_data()
51 png_process_data_pause(png_structrp png_ptr, int save) in png_process_data_pause() argument
[all …]
Dpngrutil.c22 png_get_uint_31(png_const_structrp png_ptr, png_const_bytep buf) in png_get_uint_31() argument
27 png_error(png_ptr, "PNG unsigned integer out of range"); in png_get_uint_31()
41 png_get_fixed_point(png_structrp png_ptr, png_const_bytep buf) in png_get_fixed_point() argument
49 if (png_ptr != NULL) in png_get_fixed_point()
50 png_warning(png_ptr, "PNG fixed point integer out of range"); in png_get_fixed_point()
121 png_read_sig(png_structrp png_ptr, png_inforp info_ptr) in png_read_sig() argument
126 if (png_ptr->sig_bytes >= 8) in png_read_sig()
129 num_checked = png_ptr->sig_bytes; in png_read_sig()
133 png_ptr->io_state = PNG_IO_READING | PNG_IO_SIGNATURE; in png_read_sig()
137 png_read_data(png_ptr, &(info_ptr->signature[num_checked]), num_to_check); in png_read_sig()
[all …]
Dpngwutil.c51 png_write_sig(png_structrp png_ptr) in png_write_sig() argument
57 png_ptr->io_state = PNG_IO_WRITING | PNG_IO_SIGNATURE; in png_write_sig()
61 png_write_data(png_ptr, &png_signature[png_ptr->sig_bytes], in png_write_sig()
62 (png_size_t)(8 - png_ptr->sig_bytes)); in png_write_sig()
64 if (png_ptr->sig_bytes < 3) in png_write_sig()
65 png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE; in png_write_sig()
73 png_write_chunk_header(png_structrp png_ptr, png_uint_32 chunk_name, in png_write_chunk_header() argument
83 if (png_ptr == NULL) in png_write_chunk_header()
90 png_ptr->io_state = PNG_IO_WRITING | PNG_IO_CHUNK_HDR; in png_write_chunk_header()
96 png_write_data(png_ptr, buf, 8); in png_write_chunk_header()
[all …]
Dpngwrite.c24 write_unknown_chunks(png_structrp png_ptr, png_const_inforp info_ptr, in write_unknown_chunks() argument
42 int keep = png_handle_as_unknown(png_ptr, up->name); in write_unknown_chunks()
60 png_ptr->unknown_default == PNG_HANDLE_CHUNK_ALWAYS))) in write_unknown_chunks()
65 png_warning(png_ptr, "Writing zero-length unknown chunk"); in write_unknown_chunks()
67 png_write_chunk(png_ptr, up->name, up->data, up->size); in write_unknown_chunks()
84 png_write_info_before_PLTE(png_structrp png_ptr, png_const_inforp info_ptr) in png_write_info_before_PLTE() argument
88 if (png_ptr == NULL || info_ptr == NULL) in png_write_info_before_PLTE()
91 if ((png_ptr->mode & PNG_WROTE_INFO_BEFORE_PLTE) == 0) in png_write_info_before_PLTE()
94 png_write_sig(png_ptr); in png_write_info_before_PLTE()
97 if ((png_ptr->mode & PNG_HAVE_PNG_SIGNATURE) != 0 && \ in png_write_info_before_PLTE()
[all …]
Dpngrtran.c25 png_set_crc_action(png_structrp png_ptr, int crit_action, int ancil_action) in png_set_crc_action() argument
29 if (png_ptr == NULL) in png_set_crc_action()
39 png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK; in png_set_crc_action()
40 png_ptr->flags |= PNG_FLAG_CRC_CRITICAL_USE; in png_set_crc_action()
44 png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK; in png_set_crc_action()
45 png_ptr->flags |= PNG_FLAG_CRC_CRITICAL_USE | in png_set_crc_action()
50 png_warning(png_ptr, in png_set_crc_action()
56 png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK; in png_set_crc_action()
67 png_ptr->flags &= ~PNG_FLAG_CRC_ANCILLARY_MASK; in png_set_crc_action()
68 png_ptr->flags |= PNG_FLAG_CRC_ANCILLARY_USE; in png_set_crc_action()
[all …]
Dpngread.c30 png_structp png_ptr = png_create_png_struct(user_png_ver, error_ptr, variable
45 png_structp png_ptr = png_create_png_struct(user_png_ver, error_ptr,
49 if (png_ptr != NULL)
51 png_ptr->mode = PNG_IS_READ_STRUCT;
57 png_ptr->IDAT_read_size = PNG_IDAT_READ_SIZE;
61 png_ptr->flags |= PNG_FLAG_BENIGN_ERRORS_WARN;
67 png_ptr->flags |= PNG_FLAG_APP_WARNINGS_WARN;
75 png_set_read_fn(png_ptr, NULL, NULL);
78 return png_ptr;
92 png_read_info(png_structrp png_ptr, png_inforp info_ptr) in png_read_info() argument
[all …]
Dpngset.c25 png_set_bKGD(png_const_structrp png_ptr, png_inforp info_ptr, in png_set_bKGD() argument
30 if (png_ptr == NULL || info_ptr == NULL || background == NULL) in png_set_bKGD()
40 png_set_cHRM_fixed(png_const_structrp png_ptr, png_inforp info_ptr, in png_set_cHRM_fixed() argument
49 if (png_ptr == NULL || info_ptr == NULL) in png_set_cHRM_fixed()
61 if (png_colorspace_set_chromaticities(png_ptr, &info_ptr->colorspace, &xy, in png_set_cHRM_fixed()
65 png_colorspace_sync_info(png_ptr, info_ptr); in png_set_cHRM_fixed()
69 png_set_cHRM_XYZ_fixed(png_const_structrp png_ptr, png_inforp info_ptr, in png_set_cHRM_XYZ_fixed() argument
80 if (png_ptr == NULL || info_ptr == NULL) in png_set_cHRM_XYZ_fixed()
93 if (png_colorspace_set_endpoints(png_ptr, &info_ptr->colorspace, in png_set_cHRM_XYZ_fixed()
97 png_colorspace_sync_info(png_ptr, info_ptr); in png_set_cHRM_XYZ_fixed()
[all …]
Dpngerror.c23 static PNG_FUNCTION(void, png_default_error,PNGARG((png_const_structrp png_ptr,
28 png_default_warning PNGARG((png_const_structrp png_ptr,
39 png_error,(png_const_structrp png_ptr, png_const_charp error_message),
44 if (png_ptr != NULL)
46 if ((png_ptr->flags &
57 if ((png_ptr->flags & PNG_FLAG_STRIP_ERROR_TEXT) != 0)
72 if ((png_ptr->flags & PNG_FLAG_STRIP_ERROR_TEXT) != 0)
82 if (png_ptr != NULL && png_ptr->error_fn != NULL)
83 (*(png_ptr->error_fn))(png_constcast(png_structrp,png_ptr),
88 png_default_error(png_ptr, error_message);
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