33             png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);  in ~SkPNGImageIndex()
40     png_infop info_ptr;  member in SkPNGImageIndex
67     bool decodePalette(png_structp png_ptr, png_infop info_ptr,
69     bool getBitmapConfig(png_structp png_ptr, png_infop info_ptr,
83     PNGAutoClean(png_structp p, png_infop i): png_ptr(p), info_ptr(i) {}  in PNGAutoClean()
85         png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);  in ~PNGAutoClean()
89     png_infop info_ptr;  member
165 static bool hasTransparencyInPalette(png_structp png_ptr, png_infop info_ptr) {  in hasTransparencyInPalette()  argument
169     if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {  in hasTransparencyInPalette()
170         png_get_tRNS(png_ptr, info_ptr, &trans, &num_trans, NULL);  in hasTransparencyInPalette()
193     png_infop info_ptr = png_create_info_struct(png_ptr);  in onDecodeInit()  local
194     if (info_ptr == NULL) {  in onDecodeInit()
198     *info_ptrp = info_ptr;  in onDecodeInit()
225     png_read_info(png_ptr, info_ptr);  in onDecodeInit()
228     png_get_IHDR(png_ptr, info_ptr, &origWidth, &origHeight, &bit_depth,  in onDecodeInit()
256     png_infop info_ptr;  in onDecode()  local
258     if (onDecodeInit(sk_stream, &png_ptr, &info_ptr) == false) {  in onDecode()
266     PNGAutoClean autoClean(png_ptr, info_ptr);  in onDecode()
270     png_get_IHDR(png_ptr, info_ptr, &origWidth, &origHeight, &bit_depth,  in onDecode()
278     if (getBitmapConfig(png_ptr, info_ptr, &config, &hasAlpha,  in onDecode()
313         decodePalette(png_ptr, info_ptr, &hasAlpha,  in onDecode()
345     png_read_update_info(png_ptr, info_ptr);  in onDecode()
419     png_read_end(png_ptr, info_ptr);  in onDecode()
434     png_infop   info_ptr;  in onBuildTileIndex()  local
438     if (onDecodeInit(sk_stream, &png_ptr, &info_ptr) == false) {  in onBuildTileIndex()
444     png_get_IHDR(png_ptr, info_ptr, &origWidth, &origHeight, &bit_depth,  in onBuildTileIndex()
452     this->index->info_ptr = info_ptr;  in onBuildTileIndex()
456 bool SkPNGImageDecoder::getBitmapConfig(png_structp png_ptr, png_infop info_ptr,  in getBitmapConfig()  argument
461     png_get_IHDR(png_ptr, info_ptr, &origWidth, &origHeight, &bit_depth,  in getBitmapConfig()
468         SkDebugf("----- sBIT %d %d %d %d\n", info_ptr->sig_bit.red,  in getBitmapConfig()
469                  info_ptr->sig_bit.green, info_ptr->sig_bit.blue,  in getBitmapConfig()
470                  info_ptr->sig_bit.alpha);  in getBitmapConfig()
473         if (pos_le(info_ptr->sig_bit.red, SK_R16_BITS) &&  in getBitmapConfig()
474                 pos_le(info_ptr->sig_bit.green, SK_G16_BITS) &&  in getBitmapConfig()
475                 pos_le(info_ptr->sig_bit.blue, SK_B16_BITS)) {  in getBitmapConfig()
481         bool paletteHasAlpha = hasTransparencyInPalette(png_ptr, info_ptr);  in getBitmapConfig()
491         png_get_tRNS(png_ptr, info_ptr, NULL, &numTransp, &transpColor);  in getBitmapConfig()
493         bool valid = png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS);  in getBitmapConfig()
560 bool SkPNGImageDecoder::decodePalette(png_structp png_ptr, png_infop info_ptr,  in decodePalette()  argument
569     png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette);  in decodePalette()
582     if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {  in decodePalette()
583         png_get_tRNS(png_ptr, info_ptr, &trans, &num_trans, NULL);  in decodePalette()
622     png_infop info_ptr = this->index->info_ptr;  in onDecodeRegion()  local
629     png_get_IHDR(png_ptr, info_ptr, &origWidth, &origHeight, &bit_depth,  in onDecodeRegion()
645     if (getBitmapConfig(png_ptr, info_ptr, &config, &hasAlpha,  in onDecodeRegion()
668         decodePalette(png_ptr, info_ptr, &hasAlpha,  in onDecodeRegion()
712     png_read_update_info(png_ptr, info_ptr);  in onDecodeRegion()
1098     png_infop info_ptr;  in doEncode()  local
1106     info_ptr = png_create_info_struct(png_ptr);  in doEncode()
1107     if (NULL == info_ptr) {  in doEncode()
1116         png_destroy_write_struct(&png_ptr, &info_ptr);  in doEncode()
1131     png_set_IHDR(png_ptr, info_ptr, bitmap.width(), bitmap.height(),  in doEncode()
1142         png_set_PLTE(png_ptr, info_ptr, paletteColors, ct->count());  in doEncode()
1144             png_set_tRNS(png_ptr, info_ptr, trans, numTrans, NULL);  in doEncode()
1148     png_set_sBIT(png_ptr, info_ptr, &sig_bit);  in doEncode()
1149     png_write_info(png_ptr, info_ptr);  in doEncode()
1163     png_write_end(png_ptr, info_ptr);  in doEncode()
1166     png_destroy_write_struct(&png_ptr, &info_ptr);  in doEncode()