f9a51917495bc8ba8b60632219652a7b122c1190vboxsync/* pngget.c - retrieval of values from info struct
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync * libpng 1.2.8 - December 3, 2004
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync * For conditions of distribution and use, see copyright notice in png.h
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync * Copyright (c) 1998-2004 Glenn Randers-Pehrson
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_valid(png_structp png_ptr, png_infop info_ptr, png_uint_32 flag)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_rowbytes(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_rows(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync/* easy access to info, added in libpng-0.99 */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_image_width(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_image_height(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_bit_depth(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_color_type(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_filter_type(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_interlace_type(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_compression_type(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_x_pixels_per_meter(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "png_get_x_pixels_per_meter");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if(info_ptr->phys_unit_type != PNG_RESOLUTION_METER)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_y_pixels_per_meter(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "png_get_y_pixels_per_meter");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if(info_ptr->phys_unit_type != PNG_RESOLUTION_METER)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_pixels_per_meter(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "png_get_pixels_per_meter");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if(info_ptr->phys_unit_type != PNG_RESOLUTION_METER ||
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync info_ptr->x_pixels_per_unit != info_ptr->y_pixels_per_unit)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_pixel_aspect_ratio(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "png_get_aspect_ratio");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return ((float)0.0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0.0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return ((float)0.0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_x_offset_microns(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "png_get_x_offset_microns");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if(info_ptr->offset_unit_type != PNG_OFFSET_MICROMETER)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_y_offset_microns(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "png_get_y_offset_microns");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if(info_ptr->offset_unit_type != PNG_OFFSET_MICROMETER)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_x_offset_pixels(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "png_get_x_offset_microns");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_y_offset_pixels(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "png_get_y_offset_microns");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync#if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_pixels_per_inch(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return ((png_uint_32)((float)png_get_pixels_per_meter(png_ptr, info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_x_pixels_per_inch(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return ((png_uint_32)((float)png_get_x_pixels_per_meter(png_ptr, info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_y_pixels_per_inch(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return ((png_uint_32)((float)png_get_y_pixels_per_meter(png_ptr, info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_x_offset_inches(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return ((float)png_get_x_offset_microns(png_ptr, info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync *.00003937);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_y_offset_inches(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return ((float)png_get_y_offset_microns(png_ptr, info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync *.00003937);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_pHYs_dpi(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_pHYs))
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "pHYs");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (res_x != NULL) *res_x = (png_uint_32)(*res_x * .0254 + .50);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (res_y != NULL) *res_y = (png_uint_32)(*res_y * .0254 + .50);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync#endif /* PNG_pHYs_SUPPORTED */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync#endif /* PNG_INCH_CONVERSIONS && PNG_FLOATING_POINT_SUPPORTED */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync/* png_get_channels really belongs in here, too, but it's been around longer */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync#endif /* PNG_EASY_ACCESS_SUPPORTED */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_channels(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_signature(png_structp png_ptr, png_infop info_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_bKGD(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_bKGD)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "bKGD");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_cHRM(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync double *white_x, double *white_y, double *red_x, double *red_y,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync double *green_x, double *green_y, double *blue_x, double *blue_y)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM))
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "cHRM");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_cHRM_fixed(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_fixed_point *white_x, png_fixed_point *white_y, png_fixed_point *red_x,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_fixed_point *red_y, png_fixed_point *green_x, png_fixed_point *green_y,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM))
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "cHRM");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_gAMA(png_structp png_ptr, png_infop info_ptr, double *file_gamma)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "gAMA");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_gAMA_fixed(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "gAMA");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_sRGB(png_structp png_ptr, png_infop info_ptr, int *file_srgb_intent)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "sRGB");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_iCCP(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_iCCP)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync && name != NULL && profile != NULL && proflen != NULL)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "iCCP");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync /* compression_type is a dummy so the API won't have to change
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if we introduce multiple compression types later. */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync *compression_type = (int)info_ptr->iccp_compression;
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_sPLT(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && spalettes != NULL)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_16p *hist)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_hIST)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "hIST");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_IHDR(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_uint_32 *width, png_uint_32 *height, int *bit_depth,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync int *color_type, int *interlace_type, int *compression_type,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && width != NULL && height != NULL &&
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "IHDR");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (info_ptr->bit_depth < 1 || info_ptr->bit_depth > 16)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync /* check for potential overflow of rowbytes */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync - 7*8 /* rounding of width to multiple of 8 pixels */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync "Width too large for libpng to process image data.");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (1);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_oFFs(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_int_32 *offset_x, png_int_32 *offset_y, int *unit_type)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_oFFs)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync && offset_x != NULL && offset_y != NULL && unit_type != NULL)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "oFFs");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_pCAL(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_charp *purpose, png_int_32 *X0, png_int_32 *X1, int *type, int *nparams,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_pCAL)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync && purpose != NULL && X0 != NULL && X1 != NULL && type != NULL &&
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync nparams != NULL && units != NULL && params != NULL)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "pCAL");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_sCAL(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_sCAL_s(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_pHYs(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "pHYs");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_PLTE(png_structp png_ptr, png_infop info_ptr, png_colorp *palette,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_PLTE)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "PLTE");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_sBIT(png_structp png_ptr, png_infop info_ptr, png_color_8p *sig_bit)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_sBIT)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "sBIT");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_text(png_structp png_ptr, png_infop info_ptr, png_textp *text_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && info_ptr->num_text > 0)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_tIME(png_structp png_ptr, png_infop info_ptr, png_timep *mod_time)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_tIME)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "tIME");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_tRNS(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_bytep *trans, int *num_trans, png_color_16p *trans_values)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_tRNS))
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync png_debug1(1, "in %s retrieval function\n", "tRNS");
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync else /* if (info_ptr->color_type != PNG_COLOR_TYPE_PALETTE) */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_unknown_chunks(png_structp png_ptr, png_infop info_ptr,
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync if (png_ptr != NULL && info_ptr != NULL && unknowns != NULL)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return ((png_uint_32)info_ptr->unknown_chunks_num);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (png_byte)(png_ptr? png_ptr->rgb_to_gray_status : 0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_compression_buffer_size(png_structp png_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (png_uint_32)(png_ptr? png_ptr->zbuf_size : 0L);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync/* this function was added to libpng 1.2.0 and should exist by default */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (png_uint_32)(png_ptr? png_ptr->asm_flags : 0L);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync/* this function was added to libpng 1.2.0 and should exist by default */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync /* no non-MMX flags yet */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync /* GRR: no write-flags yet, either, but someday... */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync#endif /* 0 */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return settable_asm_flags; /* _theoretically_ settable capabilities only */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync /* GRR: could add this: && defined(PNG_MMX_CODE_SUPPORTED) */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync/* this function was added to libpng 1.2.0 */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_mmx_flagmask (int flag_select, int *compilerID)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync /* GRR: no MMX write support yet, but someday... */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync#endif /* 0 */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync *compilerID = -1; /* unknown (i.e., no asm/MMX code compiled) */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return settable_mmx_flags; /* _theoretically_ settable capabilities only */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync/* this function was added to libpng 1.2.0 */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_mmx_bitdepth_threshold (png_structp png_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (png_byte)(png_ptr? png_ptr->mmx_bitdepth_threshold : 0);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync/* this function was added to libpng 1.2.0 */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsyncpng_get_mmx_rowbytes_threshold (png_structp png_ptr)
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync return (png_uint_32)(png_ptr? png_ptr->mmx_rowbytes_threshold : 0L);
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync/* these functions were added to libpng 1.2.6 */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */
f9a51917495bc8ba8b60632219652a7b122c1190vboxsync#endif /* ?PNG_1_0_X */