polygon intersector: added horizontal line reconstruction

[swftools.git] / lib / jpeg.c

diff --git a/lib/jpeg.c b/lib/jpeg.c
index d58215c..66882b0 100644 (file)
--- a/lib/jpeg.c
+++ b/lib/jpeg.c
@@ -298,12 +298,10 @@ int jpeg_load(const char*filename, unsigned char**dest, int*_width, int*_height)
     struct jpeg_source_mgr mgr;
 
     FILE*fi = fopen(filename, "rb");
-    if(!fi)
+    if(!fi) {
+        fprintf(stderr, "Couldn't open file %s\n", filename);
        return 0;
-    fseek(fi, SEEK_END, 0);
-    long filesize = ftell(fi);
-    fseek(fi, SEEK_SET, 0);
-    fclose(fi);
+    }
 
     cinfo.err = jpeg_std_error(&jerr);
     jpeg_create_decompress(&cinfo); 
@@ -315,13 +313,13 @@ int jpeg_load(const char*filename, unsigned char**dest, int*_width, int*_height)
 
     int width = *_width = cinfo.output_width;
     int height = *_height = cinfo.output_height;
-    *dest = malloc(width*height*4);
+    *dest = (unsigned char*)malloc(width*height*4);
 
     int y;
     for (y=0;y<height;y++) {
        int x;
        U8 *js = scanline;
-       RGBA*line = (RGBA*)&(*dest)[y*width];
+        RGBA*line = &((RGBA*)(*dest))[y*width];
 
        jpeg_read_scanlines(&cinfo, &js, 1);
        if (cinfo.out_color_space == JCS_GRAYSCALE) {