77 lines
1.6 KiB
Go
77 lines
1.6 KiB
Go
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/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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package main
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/*
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This is a translation of the example code in
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"experimental/c-api-example/skia-c-example.c" to test the
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go-skia package.
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*/
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import (
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"log"
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"os"
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skia "skia.googlesource.com/skia/experimental/go-skia"
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)
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func main() {
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imgInfo := &skia.ImageInfo{
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Width: 640,
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Height: 480,
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ColorType: skia.GetDefaultColortype(),
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AlphaType: skia.PREMUL_ALPHATYPE,
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}
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surface, err := skia.NewRasterSurface(imgInfo)
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if err != nil {
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log.Fatalln(err)
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}
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canvas := surface.Canvas()
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fillPaint := skia.NewPaint()
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fillPaint.SetColor(0xFF0000FF)
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canvas.DrawPaint(fillPaint)
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fillPaint.SetColor(0xFF00FFFF)
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rect := skia.NewRect(100, 100, 540, 380)
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canvas.DrawRect(rect, fillPaint)
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strokePaint := skia.NewPaint()
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strokePaint.SetColor(0xFFFF0000)
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strokePaint.SetAntiAlias(true)
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strokePaint.SetStroke(true)
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strokePaint.SetStrokeWidth(5.0)
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path := skia.NewPath()
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path.MoveTo(50, 50)
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path.LineTo(590, 50)
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path.CubicTo(-490, 50, 1130, 430, 50, 430)
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path.LineTo(590, 430)
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canvas.DrawPath(path, strokePaint)
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fillPaint.SetColor(0x8000FF00)
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canvas.DrawOval(skia.NewRect(120, 120, 520, 360), fillPaint)
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// // Get a skia image from the surface.
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skImg := surface.Image()
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// Write new image to file if we have one.
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if skImg != nil {
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out, err := os.Create("testimage.png")
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if err != nil {
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log.Fatal(err)
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}
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defer out.Close()
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if err := skImg.WritePNG(out); err != nil {
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log.Fatalf("Unable to write png: %s", err)
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}
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}
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}
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