Go GUI---lxn/walk 自带demo学习---9.imageicon

最新推荐文章于 2024-02-14 14:33:49 发布

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最新推荐文章于 2024-02-14 14:33:49 发布 · 387 阅读

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本文介绍了如何使用Walk库在Go语言中创建动态变化的数字图像，并将其转化为Icon，通过按钮点击更新窗口图标。重点在于`makeDigitImage`函数，展示了图像生成和显示的技巧。

一些说明：重点看一下 makeDigitImage（）函数就可以啦

imageicon.go

// Copyright 2012 The Walk Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

import (
	"image"
	"image/color"
	"image/draw"
	"log"
)

import (
	"github.com/lxn/walk"
	. "github.com/lxn/walk/declarative"
)

func main() {
	var mw *walk.MainWindow
	var windowIcon *walk.Icon
	counter := 0

	if _, err := (MainWindow{
		AssignTo: &mw, 
		Title:    "Walk Image Icon Example",
		Layout:   HBox{},
		Children: []Widget{
			HSpacer{},
			PushButton{
				Text: "Push me",
				OnClicked: func() {
					ic, err := walk.NewIconFromImage(makeDigitImage(counter))
					if