Lines Matching defs:png_ptr
113 # define png_jmpbuf(png_ptr) png_ptr->jmpbuf
125 read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass);
130 read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
132 if (png_ptr == NULL || row_number > PNG_UINT_31_MAX)
153 write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass);
158 write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
160 if (png_ptr == NULL || row_number > PNG_UINT_31_MAX || pass > 7)
176 count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data);
181 count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data)
183 if (png_ptr != NULL && row_info != NULL)
199 count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data);
204 count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data)
207 if (png_ptr == NULL)return;
313 pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
321 io_ptr = png_get_io_ptr(png_ptr);
329 png_error(png_ptr, "Read Error!");
342 pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
350 io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
376 png_error(png_ptr, "read Error");
382 pngtest_flush(png_structp png_ptr)
385 png_ptr = png_ptr; /* Stifle compiler warning */
396 pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
400 WRITEFILE((png_FILE_p)png_ptr->io_ptr, data, length, check);
403 png_error(png_ptr, "Write Error");
416 pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
424 io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
451 png_error(png_ptr, "Write Error");
458 * here if you don't want to. In the default configuration, png_ptr is
462 pngtest_warning(png_structp png_ptr, png_const_charp message)
466 test = png_get_error_ptr(png_ptr);
479 pngtest_error(png_structp png_ptr, png_const_charp message)
481 pngtest_warning(png_ptr, message);
515 png_voidp png_debug_malloc PNGARG((png_structp png_ptr, png_uint_32 size));
516 void png_debug_free PNGARG((png_structp png_ptr, png_voidp ptr));
519 png_debug_malloc(png_structp png_ptr, png_uint_32 size)
523 * png_debug_malloc directly, with png_ptr == NULL which is OK
534 png_set_mem_fn(png_ptr, NULL, NULL, NULL);
535 pinfo = (memory_infop)png_malloc(png_ptr,
543 pinfo->pointer = (png_voidp)png_malloc(png_ptr, size);
545 png_set_mem_fn(png_ptr,
552 png_error(png_ptr,
568 png_debug_free(png_structp png_ptr, png_voidp ptr)
570 if (png_ptr == NULL)
595 png_free_default(png_ptr, pinfo);
611 png_free_default(png_ptr, ptr);
632 static int read_user_chunk_callback(png_struct *png_ptr,
659 my_user_chunk_data=(png_uint_32 *) png_get_user_chunk_ptr(png_ptr);
673 my_user_chunk_data=(png_uint_32 *) png_get_user_chunk_ptr(png_ptr);
675 my_user_chunk_data[1]=png_get_uint_31(png_ptr, chunk->data);
676 my_user_chunk_data[2]=png_get_uint_31(png_ptr, chunk->data + 4);