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

Lines Matching refs:info_ptr
70 static png_infop info_ptr = NULL;
107     info_ptr = png_create_info_struct(png_ptr);
108     if (!info_ptr) {
123         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
131     png_read_info(png_ptr, info_ptr);  /* read all PNG info up to image data */
138     png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
164         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
169     if (!png_get_valid(png_ptr, info_ptr, PNG_INFO_bKGD))
176     png_get_bKGD(png_ptr, info_ptr, &pBackground);
222         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
235     if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
254     if (png_get_gAMA(png_ptr, info_ptr, &gamma))
258     /* all transformations have been registered; now update info_ptr data,
261     png_read_update_info(png_ptr, info_ptr);
263     *pRowbytes = rowbytes = png_get_rowbytes(png_ptr, info_ptr);
264     *pChannels = (int)png_get_channels(png_ptr, info_ptr);
267         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
271         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
311     if (png_ptr && info_ptr) {
312         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
314         info_ptr = NULL;
OpenGrok
