fixed memory initialization bug in remove_font_transforms filter

[swftools.git] / lib / filters / remove_font_transforms.c

diff --git a/lib/filters/remove_font_transforms.c b/lib/filters/remove_font_transforms.c
index c92816c..06b6300 100644 (file)
--- a/lib/filters/remove_font_transforms.c
+++ b/lib/filters/remove_font_transforms.c
@@ -137,7 +137,12 @@ static transformedfont_t* transformedfont_new(gfxfont_t*orig, mymatrix_t*m)
     transformedfont_t*f = rfx_calloc(sizeof(transformedfont_t));
     f->orig = orig;
     f->matrix = *m;
-    f->used = malloc(sizeof(f->used[0])*orig->num_glyphs);
+    f->used = rfx_calloc(sizeof(f->used[0])*orig->num_glyphs);
+    int t;
+    for(t=0;t<orig->num_glyphs;t++) {
+       if(orig->glyphs[t].unicode==32)
+           f->used[t]=1; //always preserve the space char in fonts
+    }
     return f;
 }
 
@@ -212,7 +217,7 @@ static gfxresult_t* pass1_finish(gfxfilter_t*f, gfxdevice_t*out)
        fd->dx = -total.xmin;
 
        font->ascent = total.ymax;
-       font->descent = total.ymin;
+       font->descent = -total.ymin;
 
        for(t=0;t<count;t++) {
            gfxline_t*line = font->glyphs[t].line;