Class: Ruport::Formatter::PDF
- Inherits:
-
Object
- Object
- Ruport::Formatter::PDF
- Defined in:
- lib/ruport/util/graph/gruff.rb
Direct Known Subclasses
Instance Method Summary collapse
Instance Method Details
#draw_graph(graph, opts = {}) ⇒ Object
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 |
# File 'lib/ruport/util/graph/gruff.rb', line 41 def draw_graph(graph, opts={}) x = opts[:x] y = opts[:y] width = opts[:width] height = opts[:height] g = graph.as(:jpg) info = ::PDF::Writer::Graphics::ImageInfo.new(g) # reduce the size of the image until it fits into the requested box img_width, img_height = fit_image_in_box(info.width,width,info.height,height) # if the image is smaller than the box, calculate the white space buffer x, y = add_white_space(x,y,img_width,width,img_height,height) pdf_writer.add_image(g, x, y, img_width, img_height) end |