VB.NET-QQ新闻弹窗样式图片制作工具

〇、下载地址

本程序的下载地址（百度网盘）：http://pan.baidu.com/s/1qWBGGGG

一、关于本程序

Gnaea是一个QQ新闻弹窗的填字工具，可以在输入新闻标题和新闻内容后生成一张类似QQ新闻弹窗的图片。生成的图片可以被保存为BMP和PNG两种格式，或是直接复制到剪贴板。

效果如下图（注：内容纯属虚构）

二、程序控件

三、程序资源

被用作素材的资源：My.Resources.PopUp，取材于一张PNG格式的图片

四、程序代码

Imports System.Text

Public Class FormGnaea

#Region "初始化窗体"

    '加载窗体
    Private Sub FormGnaea_Load(sender As Object,e As EventArgs) _
        Handles MyBase.Load

        Me.pnlMiddle.BorderStyle = BorderStyle.FixedSingle
        Me.pnlButtom.BorderStyle = BorderStyle.FixedSingle
        Me.picPreview.Image = My.Resources.PopUp

    End Sub

#End Region
#Region "更新图片相关"

    '按新闻标题和内容更新图片信息
    Private Sub PreviewOnPic()

        Dim bmp As Bitmap = My.Resources.PopUp
        Dim g = Graphics.FromImage(bmp)

        '绘制新闻标题
        Dim lenOfTitle = Encoding.Default.GetByteCount(txtTitle.Text.Trim)
        g.DrawString(
             txtTitle.Text,New Font("宋体",10,FontStyle.Bold),New SolidBrush(Color.FromArgb(255,47,75,87)),New Point(125 - lenOfTitle * 3.5,30))

        '绘制新闻内容
        Dim s As String = "　　" + txtContent.Text
        Dim s1 = New StringBuilder
        Dim s2 = New StringBuilder
        Dim s3 = New StringBuilder
        Dim s4 = New StringBuilder
        For i As Integer = 0 To s.Length - 1
            '略过一切回车符和换行符
            If s(i) = vbCrLf Or s(i) = vbCr Or s(i) = vbLf Then
                Continue For
            End If
            '将合法的字符分配到各行
            If Encoding.Default.GetByteCount(s.Substring(0,i + 1)) < 33 Then
                s1.Append(s(i)) '第一行
            ElseIf Encoding.Default.GetByteCount(s.Substring(0,i + 1)) < 65 Then
                s2.Append(s(i)) '第二行
            ElseIf Encoding.Default.GetByteCount(s.Substring(0,i + 1)) < 97 Then
                s3.Append(s(i)) '第三行
            ElseIf Encoding.Default.GetByteCount(s.Substring(0,i + 1)) < 129 Then
                s4.Append(s(i)) '第四行
            End If
        Next

        '第一行
        g.DrawString(
             s1.ToString,FontStyle.Regular),New Point(20,53))
        g.DrawString(
             s2.ToString,73))
        g.DrawString(
             s3.ToString,93))
        g.DrawString(
             s4.ToString,113))

        picPreview.Image = bmp

    End Sub

    '修改新闻标题时自动更新图片
    Private Sub txtTitle_TextChanged(sender As Object,e As EventArgs) _
        Handles txtTitle.TextChanged

        Try
            PreviewOnPic()
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try

    End Sub

    '修改新闻内容时自动更新图片
    Private Sub txtContent_TextChanged(sender As Object,e As EventArgs) _
        Handles txtContent.TextChanged

        Try
            PreviewOnPic()
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try

    End Sub

#End Region
#Region "按钮事件相关"

    '按钮：将图片复制到剪贴板
    Private Sub btnCopy_Click(sender As Object,e As EventArgs) _
        Handles btnCopy.Click

        Clipboard.SetImage(picPreview.Image)

    End Sub

    '按钮：保存图片
    Private Sub btnSave_Click(sender As Object,e As EventArgs) _
        Handles btnSave.Click

        Try

            '保存图片窗体
            Dim sfd As SaveFileDialog = New SaveFileDialog
            With sfd
                .OverwritePrompt = True
                .Filter = "Windows位图(bmp)|*.bmp|可移植网络图形|*.png"
                .FileName = "新闻_" & DateTime.Now.ToString("yyyyMMdd_HHmmss")
                .Title = "保存图片"
            End With
            '保存图片
            If sfd.ShowDialog = Windows.Forms.DialogResult.OK Then
                If sfd.FilterIndex = 1 Then
                    picPreview.Image.Save(sfd.FileName,Imaging.ImageFormat.Bmp)
                ElseIf sfd.FilterIndex = 2 Then
                    picPreview.Image.Save(sfd.FileName,Imaging.ImageFormat.Png)
                End If
            End If

        Catch ex As Exception

            MessageBox.Show(ex.Message)

        End Try

    End Sub

    '按钮：退出程序
    Private Sub btnClose_Click(sender As Object,e As EventArgs) _
        Handles btnClose.Click

        Application.Exit()

    End Sub

#End Region

End Class

END