// Main draws the image frame and returns the filename.
// This should only be used during testing.
func Main(gc draw2d.GraphicContext, ext string) (string, error) {
// Margin between the image and the frame
const margin = 30
// Line width od the frame
const lineWidth = 3
// Gopher image
gopher := samples.Resource("image", "gopher.png", ext)
// Draw gopher
err := Draw(gc, gopher, 297, 210, margin, lineWidth)
// Return the output filename
return samples.Output("frameimage", ext), err
}
// Main draws the tiger
func Main(gc draw2d.GraphicContext, ext string) (string, error) {
gc.Save()
// flip the image
gc.Translate(0, 200)
gc.Scale(0.35, -0.35)
gc.Translate(70, -200)
// Tiger postscript drawing
tiger := samples.Resource("image", "tiger.ps", ext)
// Draw tiger
Draw(gc, tiger)
gc.Restore()
// Return the output filename
return samples.Output("postscript", ext), nil
}