gd_png.c - OpenGrok cross reference for /PHP-7.2/ext/gd/libgd/gd

Lines Matching refs:png_ptr
51 static void gdPngErrorHandler (png_structp png_ptr, png_const_charp msg)  in gdPngErrorHandler()  argument
67 	jmpbuf_ptr = png_get_error_ptr (png_ptr);  in gdPngErrorHandler()
76 static void gdPngReadData (png_structp png_ptr, png_bytep data, png_size_t length)  in gdPngReadData()  argument
79 	check = gdGetBuf(data, length, (gdIOCtx *) png_get_io_ptr(png_ptr));  in gdPngReadData()
81 		png_error(png_ptr, "Read Error: truncated data");  in gdPngReadData()
85 static void gdPngWriteData (png_structp png_ptr, png_bytep data, png_size_t length)  in gdPngWriteData()  argument
87 	gdPutBuf (data, length, (gdIOCtx *) png_get_io_ptr(png_ptr));  in gdPngWriteData()
90 static void gdPngFlushData (png_structp png_ptr)  in gdPngFlushData()  argument
122 	png_structp png_ptr;  in gdImageCreateFromPngCtx()  local
155 	png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, &jbw, gdPngErrorHandler, NULL);  in gdImageCreateFromPngCtx()
157 	png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);  in gdImageCreateFromPngCtx()
159 	if (png_ptr == NULL) {  in gdImageCreateFromPngCtx()
164 	info_ptr = png_create_info_struct(png_ptr);  in gdImageCreateFromPngCtx()
167 		png_destroy_read_struct (&png_ptr, NULL, NULL);  in gdImageCreateFromPngCtx()
183 		png_destroy_read_struct(&png_ptr, &info_ptr, NULL);  in gdImageCreateFromPngCtx()
189 	png_set_sig_bytes(png_ptr, 8);	/* we already read the 8 signature bytes */  in gdImageCreateFromPngCtx()
191 	png_set_read_fn(png_ptr, (void *) infile, gdPngReadData);  in gdImageCreateFromPngCtx()
192 	png_read_info(png_ptr, info_ptr);	/* read all PNG info up to image data */  in gdImageCreateFromPngCtx()
194 …png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, NULL, N…  in gdImageCreateFromPngCtx()
203 		png_destroy_read_struct(&png_ptr, &info_ptr, NULL);  in gdImageCreateFromPngCtx()
209 		png_set_strip_16(png_ptr);  in gdImageCreateFromPngCtx()
211 		png_set_packing (png_ptr); /* expand to 1 byte per pixel */  in gdImageCreateFromPngCtx()
220 		png_destroy_read_struct(&png_ptr, &info_ptr, NULL);  in gdImageCreateFromPngCtx()
232 	if (png_get_valid(png_ptr, info_ptr, PNG_INFO_pHYs)) {  in gdImageCreateFromPngCtx()
233 		if (png_get_pHYs(png_ptr, info_ptr, &res_x, &res_y, &unit_type)) {  in gdImageCreateFromPngCtx()
246 			png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette);  in gdImageCreateFromPngCtx()
250 			if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS)) {  in gdImageCreateFromPngCtx()
258 				png_get_tRNS(png_ptr, info_ptr, &trans, &num_trans, NULL);  in gdImageCreateFromPngCtx()
272 				png_destroy_read_struct(&png_ptr, &info_ptr, NULL);  in gdImageCreateFromPngCtx()
289 			if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {  in gdImageCreateFromPngCtx()
290 				png_get_tRNS(png_ptr, info_ptr, NULL, NULL, &trans_gray_rgb);  in gdImageCreateFromPngCtx()
311 			png_set_gray_to_rgb(png_ptr);  in gdImageCreateFromPngCtx()
319 				if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {  in gdImageCreateFromPngCtx()
320 					png_get_tRNS(png_ptr, info_ptr, NULL, NULL, &trans_color_rgb);  in gdImageCreateFromPngCtx()
334 	png_read_update_info(png_ptr, info_ptr);  in gdImageCreateFromPngCtx()
337 	rowbytes = png_get_rowbytes(png_ptr, info_ptr);  in gdImageCreateFromPngCtx()
347 	png_read_image(png_ptr, row_pointers);	/* read whole image... */  in gdImageCreateFromPngCtx()
348 	png_read_end(png_ptr, NULL);		/* ...done! */  in gdImageCreateFromPngCtx()
372 	png_destroy_read_struct(&png_ptr, &info_ptr, NULL);  in gdImageCreateFromPngCtx()
490 	png_structp png_ptr;  in gdImagePngCtxEx()  local
497 	png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, &jbw, gdPngErrorHandler, NULL);  in gdImagePngCtxEx()
499 	png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);  in gdImagePngCtxEx()
501 	if (png_ptr == NULL) {  in gdImagePngCtxEx()
506 	info_ptr = png_create_info_struct(png_ptr);  in gdImagePngCtxEx()
509 		png_destroy_write_struct (&png_ptr, (png_infopp) NULL);  in gdImagePngCtxEx()
517 		png_destroy_write_struct (&png_ptr, &info_ptr);  in gdImagePngCtxEx()
523 	png_set_write_fn(png_ptr, (void *) outfile, gdPngWriteData, gdPngFlushData);  in gdImagePngCtxEx()
539 	png_set_compression_level(png_ptr, level);  in gdImagePngCtxEx()
541 		png_set_filter(png_ptr, PNG_FILTER_TYPE_BASE, basefilter);  in gdImagePngCtxEx()
546 	png_set_pHYs(png_ptr, info_ptr, DPI2DPM(im->res_x), DPI2DPM(im->res_y),  in gdImagePngCtxEx()
595 			png_set_IHDR(png_ptr, info_ptr, width, height, 8, PNG_COLOR_TYPE_RGB_ALPHA, interlace_type,  in gdImagePngCtxEx()
598 			png_set_IHDR(png_ptr, info_ptr, width, height, 8, PNG_COLOR_TYPE_RGB, interlace_type,  in gdImagePngCtxEx()
602 		png_set_IHDR(png_ptr, info_ptr, width, height, bit_depth, PNG_COLOR_TYPE_PALETTE, interlace_type,  in gdImagePngCtxEx()
611 		png_set_tRNS(png_ptr, info_ptr, 0, 0, &trans_rgb_value);  in gdImagePngCtxEx()
635 			png_set_tRNS (png_ptr, info_ptr, trans_values, 256, NULL);  in gdImagePngCtxEx()
658 			png_set_tRNS(png_ptr, info_ptr, trans_values, tc, NULL);  in gdImagePngCtxEx()
681 		png_set_PLTE(png_ptr, info_ptr, palette, colors);  in gdImagePngCtxEx()
685 	png_write_info(png_ptr, info_ptr);  in gdImagePngCtxEx()
688 	png_set_packing(png_ptr);  in gdImagePngCtxEx()
741 		png_write_image(png_ptr, row_pointers);  in gdImagePngCtxEx()
742 		png_write_end(png_ptr, info_ptr);  in gdImagePngCtxEx()
760 			png_write_image(png_ptr, row_pointers);  in gdImagePngCtxEx()
761 			png_write_end(png_ptr, info_ptr);  in gdImagePngCtxEx()
769 			png_write_image(png_ptr, im->pixels);  in gdImagePngCtxEx()
770 			png_write_end(png_ptr, info_ptr);  in gdImagePngCtxEx()
775 	png_destroy_write_struct(&png_ptr, &info_ptr);  in gdImagePngCtxEx()