X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=lib%2Fruby%2Fgfx.c;h=958ce405e21dddea5a2b64f6b0c2ec523cf97834;hp=687e38ab6c8ad98d1aeecf78dee490de0fbc8ca5;hb=8e7a42a2c252dcad56aa9e05bd4025c16c558e2c;hpb=8f67c24d3250b417099a27525c3ef14ab1c7b3db

diff --git a/lib/ruby/gfx.c b/lib/ruby/gfx.c
index 687e38a..958ce40 100644
--- a/lib/ruby/gfx.c
+++ b/lib/ruby/gfx.c
@@ -63,6 +63,9 @@ static VALUE doc_initialize(VALUE cls, VALUE _filename)
     const char*filename = StringValuePtr(_filename);
     doc->fontlist = gfxfontlist_create();
     doc->doc = pdfdriver->open(pdfdriver, filename);
+    if(!doc->doc) {
+	rb_raise(rb_eIOError, "couldn't open %s", filename);
+    }
     return cls;
 }
 
@@ -281,6 +284,16 @@ static VALUE glyph_advance(VALUE cls)
     return rb_float_new(glyph->font->font->glyphs[glyph->nr].advance);
 }
 
+static VALUE glyph_bbox(VALUE cls)
+{
+    Get_Glyph(glyph,cls);
+    gfxbbox_t bbox = gfxline_getbbox(glyph->font->font->glyphs[glyph->nr].line);
+    return rb_ary_new3(4, rb_float_new(bbox.xmin), 
+	                  rb_float_new(bbox.ymin), 
+			  rb_float_new(bbox.xmax), 
+			  rb_float_new(bbox.ymax));
+}
+
 static VALUE glyph_unicode(VALUE cls)
 {
     Get_Glyph(glyph,cls);
@@ -310,6 +323,18 @@ static VALUE font_allocate(VALUE cls)
     return v;
 }
 
+static VALUE font_ascent(VALUE cls)
+{
+    Get_Font(font,cls);
+    return rb_float_new(font->font->ascent);
+}
+
+static VALUE font_descent(VALUE cls)
+{
+    Get_Font(font,cls);
+    return rb_float_new(font->font->descent);
+}
+
 static VALUE font_name(VALUE cls)
 {
     Get_Font(font,cls);
@@ -634,9 +659,12 @@ void Init_gfx()
     rb_define_method(Glyph, "polygon", glyph_polygon, 0);
     rb_define_method(Glyph, "unicode", glyph_unicode, 0);
     rb_define_method(Glyph, "advance", glyph_advance, 0);
+    rb_define_method(Glyph, "bbox", glyph_bbox, 0);
     
     Font = rb_define_class_under(GFX, "Font", rb_cObject);
     rb_define_method(Font, "name", font_name, 0);
+    rb_define_method(Font, "ascent", font_ascent, 0);
+    rb_define_method(Font, "descent", font_descent, 0);
     rb_define_method(Font, "glyphs", font_glyphs, 0);
     
     Device = rb_define_class_under(GFX, "Device", rb_cObject);