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

Lines Matching defs:info_ptr
70 static png_infop info_ptr = NULL;
108     info_ptr = png_create_info_struct(png_ptr);
109     if (!info_ptr) {
124         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
132     png_read_info(png_ptr, info_ptr);  /* read all PNG info up to image data */
139     png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
165         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
170     if (!png_get_valid(png_ptr, info_ptr, PNG_INFO_bKGD))
177     png_get_bKGD(png_ptr, info_ptr, &pBackground);
223         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
236     if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
255     if (png_get_gAMA(png_ptr, info_ptr, &gamma))
259     /* all transformations have been registered; now update info_ptr data,
262     png_read_update_info(png_ptr, info_ptr);
264     *pRowbytes = rowbytes = png_get_rowbytes(png_ptr, info_ptr);
265     *pChannels = (int)png_get_channels(png_ptr, info_ptr);
268         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
272         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
312     if (png_ptr && info_ptr) {
313         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
315         info_ptr = NULL;
OpenGrok
