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;
}
Get_Image(image2,v_image2)
image2->doc = image->doc;
image2->image = gfximage_rescale(image->image, width, height);
+ if(!image2->image) {
+ rb_raise(rb_eArgError, "Can't rescale to size %dx%d", width, height);
+ }
return v_image2;
}
static VALUE image_save_jpeg(VALUE cls, VALUE _filename, VALUE quality)
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);
return font->glyph_array;
}
+static VALUE font_kerning(VALUE cls)
+{
+ Get_Font(font,cls);
+ gfxkerning_t*kerning = font->font->kerning;
+ int kerning_size = font->font->kerning_size;
+ volatile VALUE a = rb_ary_new2(kerning_size);
+ int t;
+ for(t=0;t<kerning_size;t++) {
+ volatile VALUE tuple = rb_ary_new2(3);
+ rb_ary_store(tuple, 0, INT2FIX(kerning[t].c1));
+ rb_ary_store(tuple, 1, INT2FIX(kerning[t].c2));
+ rb_ary_store(tuple, 2, INT2FIX(kerning[t].advance));
+ rb_ary_store(a, t, tuple);
+ }
+ return a;
+}
+
// ------------------------ gfx device --------------------------------------
typedef struct device_internal {
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);
+ rb_define_method(Font, "kerning", font_kerning, 0);
+ rb_define_method(Font, "get_kerning_table", font_kerning, 0);
Device = rb_define_class_under(GFX, "Device", rb_cObject);
rb_define_method(Device, "startpage", noop, -1);