draw2d/samples/helloworld/helloworld.go
2015-08-14 22:38:18 +02:00

40 lines
1.2 KiB
Go

// Copyright 2010 The draw2d Authors. All rights reserved.
// created: 21/11/2010 by Laurent Le Goff, Stani Michiels
// Package helloworld displays multiple "Hello World" (one rotated)
// in a rounded rectangle.
package helloworld
import (
"fmt"
"image"
"github.com/llgcode/draw2d"
"github.com/llgcode/draw2d/draw2dkit"
"github.com/llgcode/draw2d/samples"
)
// Main draws "Hello World" and returns the filename. This should only be
// used during testing.
func Main(gc draw2d.GraphicContext, ext string) (string, error) {
// Draw hello world
Draw(gc, fmt.Sprintf("Hello World %d dpi", gc.GetDPI()))
// Return the output filename
return samples.Output("helloworld", ext), nil
}
// Draw "Hello World"
func Draw(gc draw2d.GraphicContext, text string) {
// Draw a rounded rectangle using default colors
draw2dkit.RoundedRectangle(gc, 5, 5, 135, 95, 10, 10)
gc.FillStroke()
// Set the font luximbi.ttf
gc.SetFontData(draw2d.FontData{Name: "luxi", Family: draw2d.FontFamilyMono, Style: draw2d.FontStyleBold | draw2d.FontStyleItalic})
// Set the fill text color to black
gc.SetFillColor(image.Black)
gc.SetFontSize(14)
// Display Hello World
gc.FillStringAt("Hello World", 8, 52)
}