add37faa25
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4052 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
82 lines
1.4 KiB
C++
82 lines
1.4 KiB
C++
#ifdef HAVE_LIBZ
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#include <zlib.h>
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int main()
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{
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unsigned long compressedSize = 0;
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unsigned char cd[100];
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const unsigned char ud[100] = "";
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unsigned long uncompressedSize = 0;
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// Call zlib's compress function.
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if(compress(cd, &compressedSize, ud, uncompressedSize) != Z_OK)
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{
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return 0;
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}
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return 1;
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}
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#endif
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#ifdef HAVE_LIBJPEG
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#include <stdio.h>
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#include <jpeglib.h>
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int main()
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{
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struct jpeg_decompress_struct cinfo;
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jpeg_create_decompress(&cinfo);
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jpeg_read_header(&cinfo, TRUE);
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return 1;
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}
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#endif
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#ifdef HAVE_LIBPNG
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#include <png.h>
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int main()
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{
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png_structp png_ptr = png_create_read_struct
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(PNG_LIBPNG_VER_STRING, (png_voidp)NULL,
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NULL, NULL);
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png_infop info_ptr = png_create_info_struct(png_ptr);
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png_set_sig_bytes(png_ptr, 8);
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png_read_info(png_ptr, info_ptr);
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return 0;
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}
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#endif
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#ifdef HAVE_PNG_H
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#include <png.h>
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int main() { retunr 0;}
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#endif
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#ifdef HAVE_PNG_GET_VALID
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#include <png.h>
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int main()
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{
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png_structp png_ptr = png_create_read_struct
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(PNG_LIBPNG_VER_STRING, (png_voidp)NULL,
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NULL, NULL);
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png_infop info_ptr = png_create_info_struct(png_ptr);
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png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS);
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return 0;
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}
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#endif
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#ifdef HAVE_PNG_SET_TRNS_TO_ALPHA
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#include <png.h>
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int main()
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{
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png_structp png_ptr = png_create_read_struct
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(PNG_LIBPNG_VER_STRING, (png_voidp)NULL,
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NULL, NULL);
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png_set_tRNS_to_alpha(png_ptr);
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return 0;
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}
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#endif
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