Cross Reference: /external/libpng/contrib/gregbook/readpng.c

Lines Matching refs:info_ptr
69 static png_infop info_ptr = NULL;
106     info_ptr = png_create_info_struct(png_ptr);
107     if (!info_ptr) {
122         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
130     png_read_info(png_ptr, info_ptr);  /* read all PNG info up to image data */
137     png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
163         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
168     if (!png_get_valid(png_ptr, info_ptr, PNG_INFO_bKGD))
175     png_get_bKGD(png_ptr, info_ptr, &pBackground);
217         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
230     if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
243     if (png_get_gAMA(png_ptr, info_ptr, &gamma))
247     /* all transformations have been registered; now update info_ptr data,
250     png_read_update_info(png_ptr, info_ptr);
252     *pRowbytes = rowbytes = png_get_rowbytes(png_ptr, info_ptr);
253     *pChannels = (int)png_get_channels(png_ptr, info_ptr);
256         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
260         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
299     if (png_ptr && info_ptr) {
300         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
302         info_ptr = NULL;
OpenGrok
