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Searched refs:png_ptr (Results 1 – 25 of 95) sorted by relevance

1234

/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()
[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 …]
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);
[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);
[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 …]
Dpngtrans.c21 png_set_bgr(png_structrp png_ptr) in png_set_bgr() argument
25 if (png_ptr == NULL) in png_set_bgr()
28 png_ptr->transformations |= PNG_BGR; in png_set_bgr()
35 png_set_swap(png_structrp png_ptr) in png_set_swap() argument
39 if (png_ptr == NULL) in png_set_swap()
42 if (png_ptr->bit_depth == 16) in png_set_swap()
43 png_ptr->transformations |= PNG_SWAP_BYTES; in png_set_swap()
50 png_set_packing(png_structrp png_ptr) in png_set_packing() argument
54 if (png_ptr == NULL) in png_set_packing()
57 if (png_ptr->bit_depth < 8) in png_set_packing()
[all …]
Dpngmem.c25 png_destroy_png_struct(png_structrp png_ptr) in png_destroy_png_struct() argument
27 if (png_ptr != NULL) in png_destroy_png_struct()
32 png_struct dummy_struct = *png_ptr; in png_destroy_png_struct()
33 memset(png_ptr, 0, (sizeof *png_ptr)); in png_destroy_png_struct()
34 png_free(&dummy_struct, png_ptr); in png_destroy_png_struct()
50 png_calloc,(png_const_structrp png_ptr, png_alloc_size_t size),PNG_ALLOCATED)
54 ret = png_malloc(png_ptr, size);
68 png_malloc_base,(png_const_structrp png_ptr, png_alloc_size_t size),
77 PNG_UNUSED(png_ptr)
90 if (png_ptr != NULL && png_ptr->malloc_fn != NULL)
[all …]
Dpngget.c20 png_get_valid(png_const_structrp png_ptr, png_const_inforp info_ptr, in png_get_valid() argument
23 if (png_ptr != NULL && info_ptr != NULL) in png_get_valid()
30 png_get_rowbytes(png_const_structrp png_ptr, png_const_inforp info_ptr) in png_get_rowbytes() argument
32 if (png_ptr != NULL && info_ptr != NULL) in png_get_rowbytes()
40 png_get_rows(png_const_structrp png_ptr, png_const_inforp info_ptr) in png_get_rows() argument
42 if (png_ptr != NULL && info_ptr != NULL) in png_get_rows()
52 png_get_image_width(png_const_structrp png_ptr, png_const_inforp info_ptr) in png_get_image_width() argument
54 if (png_ptr != NULL && info_ptr != NULL) in png_get_image_width()
61 png_get_image_height(png_const_structrp png_ptr, png_const_inforp info_ptr) in png_get_image_height() argument
63 if (png_ptr != NULL && info_ptr != NULL) in png_get_image_height()
[all …]
Dpng.c47 png_set_sig_bytes(png_structrp png_ptr, int num_bytes) in png_set_sig_bytes() argument
53 if (png_ptr == NULL) in png_set_sig_bytes()
60 png_error(png_ptr, "Too many bytes for PNG signature"); in png_set_sig_bytes()
62 png_ptr->sig_bytes = (png_byte)nb; in png_set_sig_bytes()
98 png_zalloc,(voidpf png_ptr, uInt items, uInt size),PNG_ALLOCATED)
102 if (png_ptr == NULL)
107 png_warning (png_voidcast(png_structrp, png_ptr),
113 return png_malloc_warn(png_voidcast(png_structrp, png_ptr), num_bytes);
118 png_zfree(voidpf png_ptr, voidpf ptr) in png_zfree() argument
120 png_free(png_voidcast(png_const_structrp,png_ptr), ptr); in png_zfree()
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/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);
[all …]
Dpngtrans.c21 png_set_bgr(png_structrp png_ptr) in png_set_bgr() argument
25 if (png_ptr == NULL) in png_set_bgr()
28 png_ptr->transformations |= PNG_BGR; in png_set_bgr()
35 png_set_swap(png_structrp png_ptr) in png_set_swap() argument
39 if (png_ptr == NULL) in png_set_swap()
42 if (png_ptr->bit_depth == 16) in png_set_swap()
43 png_ptr->transformations |= PNG_SWAP_BYTES; in png_set_swap()
50 png_set_packing(png_structrp png_ptr) in png_set_packing() argument
54 if (png_ptr == NULL) in png_set_packing()
57 if (png_ptr->bit_depth < 8) in png_set_packing()
[all …]
Dpngmem.c28 png_destroy_png_struct(png_structrp png_ptr) in png_destroy_png_struct() argument
30 if (png_ptr != NULL) in png_destroy_png_struct()
35 png_struct dummy_struct = *png_ptr; in png_destroy_png_struct()
36 memset(png_ptr, 0, (sizeof *png_ptr)); in png_destroy_png_struct()
37 png_free(&dummy_struct, png_ptr); in png_destroy_png_struct()
53 png_calloc,(png_const_structrp png_ptr, png_alloc_size_t size),PNG_ALLOCATED)
57 ret = png_malloc(png_ptr, size);
71 png_malloc_base,(png_const_structrp png_ptr, png_alloc_size_t size),
80 PNG_UNUSED(png_ptr)
93 if (png_ptr != NULL && png_ptr->malloc_fn != NULL)
[all …]
Dpngget.c20 png_get_valid(png_const_structrp png_ptr, png_const_inforp info_ptr, in png_get_valid() argument
23 if (png_ptr != NULL && info_ptr != NULL) in png_get_valid()
30 png_get_rowbytes(png_const_structrp png_ptr, png_const_inforp info_ptr) in png_get_rowbytes() argument
32 if (png_ptr != NULL && info_ptr != NULL) in png_get_rowbytes()
40 png_get_rows(png_const_structrp png_ptr, png_const_inforp info_ptr) in png_get_rows() argument
42 if (png_ptr != NULL && info_ptr != NULL) in png_get_rows()
52 png_get_image_width(png_const_structrp png_ptr, png_const_inforp info_ptr) in png_get_image_width() argument
54 if (png_ptr != NULL && info_ptr != NULL) in png_get_image_width()
61 png_get_image_height(png_const_structrp png_ptr, png_const_inforp info_ptr) in png_get_image_height() argument
63 if (png_ptr != NULL && info_ptr != NULL) in png_get_image_height()
[all …]
/external/libpng/contrib/gregbook/
Dreadpng2.c73 static void readpng2_info_callback(png_structp png_ptr, png_infop info_ptr);
74 static void readpng2_row_callback(png_structp png_ptr, png_bytep new_row,
76 static void readpng2_end_callback(png_structp png_ptr, png_infop info_ptr);
77 static void readpng2_error_handler(png_structp png_ptr, png_const_charp msg);
78 static void readpng2_warning_handler(png_structp png_ptr, png_const_charp msg);
107 png_structp png_ptr; /* note: temporary variables! */ in readpng2_init() local
113 png_ptr = png_create_read_struct(png_get_libpng_ver(NULL), mainprog_ptr, in readpng2_init()
115 if (!png_ptr) in readpng2_init()
118 info_ptr = png_create_info_struct(png_ptr); in readpng2_init()
120 png_destroy_read_struct(&png_ptr, NULL, NULL); in readpng2_init()
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