X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fruby%2Fgfx.c;h=648e902325a34573372c96d4fac6f2700e83fcbd;hb=6487933fe6b496bb04cd287b51b96af6b7d97058;hp=edca2e3278f2b0e7c87a9c839174eb70c7c577b7;hpb=c1e49c576e3589d84427f1d305cf226d720c2288;p=swftools.git

diff --git a/lib/ruby/gfx.c b/lib/ruby/gfx.c
index edca2e3..648e902 100644
--- a/lib/ruby/gfx.c
+++ b/lib/ruby/gfx.c
@@ -9,6 +9,7 @@
 #include "../pdf/pdf.h"
 #include "../mem.h"
 #include "../types.h"
+#include "../log.h"
 
 #define RUBY_GFX_VERSION  "0.9.0"
 
@@ -87,7 +88,7 @@ static VALUE doc_get_page(VALUE cls, VALUE _nr)
     page->doc = doc;
     if(!page->page) {
 	rb_raise(rb_eArgError, "No page %d in document", nr);
-	return;
+	return Qnil;
     }
     return v;
 }
@@ -220,6 +221,18 @@ static VALUE image_rescale(VALUE cls, VALUE _width, VALUE _height)
     }
     return v_image2;
 }
+static VALUE image_has_alpha(VALUE cls)
+{
+    Get_Image(image,cls)
+    int size = image->image->width * image->image->height;
+    gfxcolor_t*data = image->image->data;
+    int t;
+    for(t=0;t<size;t++) {
+	if(data->a!=255) 
+	    return Qtrue;
+    }
+    return Qfalse;
+}
 static VALUE image_save_jpeg(VALUE cls, VALUE _filename, VALUE quality)
 {
     Get_Image(image,cls)
@@ -484,6 +497,10 @@ static VALUE convert_font(gfxfont_t*font)
     }
     return v2;
 }
+static VALUE convert_gradient(gfxgradient_t*gradient)
+{
+    return Qnil; //TODO
+}
 #define HEAD \
     device_internal_t*i = (device_internal_t*)dev->internal; \
     VALUE v = i->v;
@@ -704,6 +721,7 @@ void Init_gfx()
     rb_define_method(Bitmap, "width", image_width, 0);
     rb_define_method(Bitmap, "height", image_height, 0);
     rb_define_method(Bitmap, "rescale", image_rescale, 2);
+    rb_define_method(Bitmap, "has_alpha", image_has_alpha, 0);
     
     Glyph = rb_define_class_under(GFX, "Glyph", rb_cObject);
     rb_define_method(Glyph, "polygon", glyph_polygon, 0);