974                       png_structp write_ptr, png_infop write_info,  in write_png()  argument
1000     png_set_compression_level(write_ptr, Z_BEST_COMPRESSION);  in write_png()
1040     png_set_IHDR(write_ptr, write_info, imageInfo.width, imageInfo.height,  in write_png()
1045         png_set_PLTE(write_ptr, write_info, rgbPalette, paletteEntries);  in write_png()
1047             png_set_tRNS(write_ptr, write_info, alphaPalette, paletteEntries, (png_color_16p) 0);  in write_png()
1049        png_set_filter(write_ptr, 0, PNG_NO_FILTERS);  in write_png()
1051        png_set_filter(write_ptr, 0, PNG_ALL_FILTERS);  in write_png()
1076         png_set_keep_unknown_chunks(write_ptr, PNG_HANDLE_CHUNK_ALWAYS,  in write_png()
1078         png_set_unknown_chunks(write_ptr, write_info, unknowns, chunk_count);  in write_png()
1084         png_set_unknown_chunk_location(write_ptr, write_info, 0, PNG_HAVE_PLTE);  in write_png()
1086             png_set_unknown_chunk_location(write_ptr, write_info, 1, PNG_HAVE_PLTE);  in write_png()
1091     png_write_info(write_ptr, write_info);  in write_png()
1095         png_set_filler(write_ptr, 0, PNG_FILLER_AFTER);  in write_png()
1100     png_write_image(write_ptr, rows);  in write_png()
1105     png_write_end(write_ptr, write_info);  in write_png()
1114     png_get_IHDR(write_ptr, write_info, &width, &height,  in write_png()
1149     png_structp write_ptr = NULL;  in preProcessImage()  local
1190     write_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, 0, (png_error_ptr)NULL,  in preProcessImage()
1192     if (!write_ptr)  in preProcessImage()
1197     write_info = png_create_info_struct(write_ptr);  in preProcessImage()
1203     png_set_write_fn(write_ptr, (void*)file.get(),  in preProcessImage()
1206     if (setjmp(png_jmpbuf(write_ptr)))  in preProcessImage()
1211     write_png(printableName.string(), write_ptr, write_info, imageInfo,  in preProcessImage()
1232     if (write_ptr) {  in preProcessImage()
1233         png_destroy_write_struct(&write_ptr, &write_info);  in preProcessImage()
1252     png_structp write_ptr = NULL;  in preProcessImageToCache()  local
1314     write_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);  in preProcessImageToCache()
1315     if (!write_ptr) {  in preProcessImageToCache()
1316         png_destroy_write_struct(&write_ptr, &write_info);  in preProcessImageToCache()
1322     write_info = png_create_info_struct(write_ptr);  in preProcessImageToCache()
1324         png_destroy_write_struct(&write_ptr, &write_info);  in preProcessImageToCache()
1332         png_destroy_write_struct(&write_ptr, &write_info);  in preProcessImageToCache()
1337     png_init_io(write_ptr, fp);  in preProcessImageToCache()
1340     if (setjmp(png_jmpbuf(write_ptr))) {  in preProcessImageToCache()
1342         png_destroy_write_struct(&write_ptr, &write_info);  in preProcessImageToCache()
1347     write_png(dest.string(), write_ptr, write_info, imageInfo,  in preProcessImageToCache()
1365     png_destroy_write_struct(&write_ptr, &write_info);  in preProcessImageToCache()