Lines Matching refs:info_ptr
45 SkPNGImageIndex(SkStream* stream, png_structp png_ptr, png_infop info_ptr)
48 , fInfo_ptr(info_ptr)
89 bool decodePalette(png_structp png_ptr, png_infop info_ptr,
92 bool getBitmapConfig(png_structp png_ptr, png_infop info_ptr,
107 PNGAutoClean(png_structp p, png_infop i): png_ptr(p), info_ptr(i) {}
109 png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);
113 png_infop info_ptr;
191 static bool hasTransparencyInPalette(png_structp png_ptr, png_infop info_ptr) {
195 if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
196 png_get_tRNS(png_ptr, info_ptr, &trans, &num_trans, NULL);
218 png_infop info_ptr = png_create_info_struct(png_ptr);
219 if (info_ptr == NULL) {
223 *info_ptrp = info_ptr;
252 png_read_info(png_ptr, info_ptr);
255 png_get_IHDR(png_ptr, info_ptr, &origWidth, &origHeight, &bitDepth,
278 png_infop info_ptr;
280 if (!onDecodeInit(sk_stream, &png_ptr, &info_ptr)) {
288 PNGAutoClean autoClean(png_ptr, info_ptr);
292 png_get_IHDR(png_ptr, info_ptr, &origWidth, &origHeight, &bitDepth,
299 if (!this->getBitmapConfig(png_ptr, info_ptr, &config, &hasAlpha, &theTranspColor)) {
320 decodePalette(png_ptr, info_ptr, &hasAlpha, &reallyHasAlpha, &colorTable);
343 png_read_update_info(png_ptr, info_ptr);
425 /* read rest of file, and get additional chunks in info_ptr - REQUIRED */
426 png_read_end(png_ptr, info_ptr);
447 bool SkPNGImageDecoder::getBitmapConfig(png_structp png_ptr, png_infop info_ptr,
453 png_get_IHDR(png_ptr, info_ptr, &origWidth, &origHeight, &bitDepth,
459 if (this->getDitherImage() && png_get_sBIT(png_ptr, info_ptr, &sig_bit)) {
473 bool paletteHasAlpha = hasTransparencyInPalette(png_ptr, info_ptr);
483 png_get_tRNS(png_ptr, info_ptr, NULL, &numTransp, &transpColor);
485 bool valid = png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS);
604 bool SkPNGImageDecoder::decodePalette(png_structp png_ptr, png_infop info_ptr,
614 png_get_PLTE(png_ptr, info_ptr, &palette, &numPalette);
627 if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
628 png_get_tRNS(png_ptr, info_ptr, &trans, &numTrans, NULL);
676 png_infop info_ptr;
678 if (!onDecodeInit(sk_stream, &png_ptr, &info_ptr)) {
683 png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);
689 png_get_IHDR(png_ptr, info_ptr, &origWidth, &origHeight, &bitDepth,
700 fImageIndex = SkNEW_ARGS(SkPNGImageIndex, (sk_stream, png_ptr, info_ptr));
711 png_infop info_ptr = fImageIndex->fInfo_ptr;
718 png_get_IHDR(png_ptr, info_ptr, &origWidth, &origHeight, &bitDepth,
733 if (!this->getBitmapConfig(png_ptr, info_ptr, &config, &hasAlpha, &theTranspColor)) {
752 decodePalette(png_ptr, info_ptr, &hasAlpha, &reallyHasAlpha, &colorTable);
795 png_read_update_info(png_ptr, info_ptr);
1105 png_infop info_ptr;
1113 info_ptr = png_create_info_struct(png_ptr);
1114 if (NULL == info_ptr) {
1123 png_destroy_write_struct(&png_ptr, &info_ptr);
1138 png_set_IHDR(png_ptr, info_ptr, bitmap.width(), bitmap.height(),
1149 png_set_PLTE(png_ptr, info_ptr, paletteColors, ct->count());
1151 png_set_tRNS(png_ptr, info_ptr, trans, numTrans, NULL);
1155 png_set_sBIT(png_ptr, info_ptr, &sig_bit);
1156 png_write_info(png_ptr, info_ptr);
1170 png_write_end(png_ptr, info_ptr);
1173 png_destroy_write_struct(&png_ptr, &info_ptr);
