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_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)
Check_Type(_filename, T_STRING);
Check_Type(quality, T_FIXNUM);
const char*filename = StringValuePtr(_filename);
- gfximage_save_jpeg(image->image, FIX2INT(quality), filename);
+ gfximage_save_jpeg(image->image, filename, FIX2INT(quality));
return cls;
}
static VALUE image_save_png(VALUE cls, VALUE _filename)
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 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);
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 {
return cls;
}
+static VALUE doc_prepare(VALUE cls, VALUE device)
+{
+ Get_Doc(doc,cls);
+
+ gfxdevice_t dev;
+ device_internal_t i;
+ i.v = device;
+ i.doc = doc;
+
+ dev.internal = &i;
+ dev.setparameter = rb_setparameter;
+ dev.startpage = rb_startpage;
+ dev.startclip = rb_startclip;
+ dev.endclip = rb_endclip;
+ dev.stroke = rb_stroke;
+ dev.fill = rb_fill;
+ dev.fillbitmap = rb_fillbitmap;
+ dev.fillgradient = rb_fillgradient;
+ dev.addfont = rb_addfont;
+ dev.drawchar = rb_drawchar;
+ dev.drawlink = rb_drawlink;
+ dev.endpage = rb_endpage;
+ dev.finish = rb_finish;
+
+ doc->doc->prepare(doc->doc, &dev);
+ return cls;
+}
+
+
// ---------------------- global functions ----------------------------------
VALUE gfx_setparameter(VALUE module, VALUE _key, VALUE _value)
rb_define_method(Document, "initialize", doc_initialize, 1);
rb_define_method(Document, "page", doc_get_page, 1);
rb_define_method(Document, "each_page", doc_each_page, 0);
+ rb_define_method(Document, "prepare", doc_prepare, 1);
Bitmap = rb_define_class_under(GFX, "Bitmap", rb_cObject);
rb_define_method(Bitmap, "save_jpeg", image_save_jpeg, 2);
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);
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);