Line data    Source code

       1             : /* Copyright (C) 2000-2012 by George Williams */
       2             : /*
       3             :  * Redistribution and use in source and binary forms, with or without
       4             :  * modification, are permitted provided that the following conditions are met:
       5             : 
       6             :  * Redistributions of source code must retain the above copyright notice, this
       7             :  * list of conditions and the following disclaimer.
       8             : 
       9             :  * Redistributions in binary form must reproduce the above copyright notice,
      10             :  * this list of conditions and the following disclaimer in the documentation
      11             :  * and/or other materials provided with the distribution.
      12             : 
      13             :  * The name of the author may not be used to endorse or promote products
      14             :  * derived from this software without specific prior written permission.
      15             : 
      16             :  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
      17             :  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
      18             :  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
      19             :  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      20             :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
      21             :  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
      22             :  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
      23             :  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
      24             :  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
      25             :  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      26             :  */
      27             : #include "gimage.h"
      28             : #include <string.h>
      29             : #include <ustring.h>
      30             : 
      31             : #include "gio.h"
      32             : #include "gfile.h"
      33             : 
      34           0 : GImage *GImageRead(char * filename) {
      35             : /* Go read an input image file. Return NULL if cannot guess file type */
      36             : /* First try filename dot3 extension then try sniffing if can't guess */
      37             :     char *mime;
      38             : 
      39           0 :     if ( filename!=NULL && GFileExists(filename) &&
      40           0 :          ((mime=GIOguessMimeType(filename)) || (mime=GIOGetMimeType(filename))) ) {
      41             : 
      42           0 :         if ( strcasecmp(mime,"image/bmp")==0 ) {
      43           0 :             free(mime);
      44           0 :             return( GImageReadBmp(filename) );
      45           0 :         } else if ( strcasecmp(mime,"image/x-xbitmap")==0 ) {
      46           0 :             free(mime);
      47           0 :             return( GImageReadXbm(filename) );
      48           0 :         } else if ( strcasecmp(mime,"image/x-xpixmap")==0 ) {
      49           0 :             free(mime);
      50           0 :             return( GImageReadXpm(filename) );
      51             : #ifndef _NO_LIBTIFF
      52           0 :         } else if ( strcasecmp(mime,"image/tiff")==0 ) {
      53           0 :             free(mime);
      54           0 :             return( GImageReadTiff(filename) );
      55             : #endif
      56             : #ifndef _NO_LIBJPEG
      57           0 :         } else if ( strcasecmp(mime,"image/jpeg")==0 ) {
      58           0 :             free(mime);
      59           0 :             return( GImageReadJpeg(filename) );
      60             : #endif
      61             : #ifndef _NO_LIBPNG
      62           0 :         } else if ( strcasecmp(mime,"image/png")==0 ) {
      63           0 :             free(mime);
      64           0 :             return( GImageReadPng(filename) );
      65             : #endif
      66             : #ifndef _NO_LIBUNGIF
      67           0 :         } else if ( strcasecmp(mime,"image/gif")==0 ) {
      68           0 :             free(mime);
      69           0 :             return( GImageReadGif(filename) );
      70             : #endif
      71           0 :         } else if ( strcasecmp(mime,"image/x-cmu-raster")==0 || \
      72           0 :                   strcasecmp(mime,"image/x-sun-raster")==0 ) {
      73           0 :             free(mime);
      74           0 :             return( GImageReadRas(filename) );          /* Sun raster */
      75           0 :         } else if ( strcasecmp(mime,"image/x-rgb")==0 || \
      76           0 :                   strcasecmp(mime,"image/x-sgi")==0 ) {
      77           0 :             free(mime);
      78           0 :             return( GImageReadRgb(filename) );          /* SGI format */
      79             :         }
      80           0 :         free(mime);
      81             :     }
      82             : 
      83           0 :     return( NULL );
      84             : }