王朝网络
分享
 
 
 

将一个图片按比例缩放显示在一个Frame中

王朝other·作者佚名  2006-11-24
宽屏版  字体: |||超大  

代码如下:

'Form1.frm

VERSION 5.00

Object = "{F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.2#0"; "COMDLG32.OCX"

Begin VB.Form Form1

Caption = "Form1"

ClientHeight = 5010

ClientLeft = 60

ClientTop = 345

ClientWidth = 7800

LinkTopic = "Form1"

ScaleHeight = 334

ScaleMode = 3 'Pixel

ScaleWidth = 520

StartUpPosition = 3 '窗口缺省

Begin MSComDlg.CommonDialog CommonDialog1

Left = 4635

Top = 3120

_ExtentX = 847

_ExtentY = 847

_Version = 393216

End

Begin VB.Frame Frame1

Caption = "Frame1"

Height = 3000

Left = 4500

TabIndex = 2

Top = 30

Width = 3180

Begin VB.PictureBox Picture2

Appearance = 0 'Flat

ForeColor = &H80000008&

Height = 2625

Left = 120

ScaleHeight = 173

ScaleMode = 3 'Pixel

ScaleWidth = 194

TabIndex = 3

Top = 255

Width = 2940

Begin VB.Image Image1

Height = 1575

Left = 465

Top = 390

Width = 1965

End

End

End

Begin VB.CommandButton Command1

Caption = "&Load Picture"

Height = 330

Left = 5400

TabIndex = 0

Top = 3150

Width = 1425

End

Begin VB.PictureBox Picture1

Appearance = 0 'Flat

AutoSize = -1 'True

BorderStyle = 0 'None

ForeColor = &H80000008&

Height = 4425

Left = 60

ScaleHeight = 4425

ScaleWidth = 4380

TabIndex = 1

Top = 105

Width = 4380

End

End

Attribute VB_Name = "Form1"

Attribute VB_GlobalNameSpace = False

Attribute VB_Creatable = False

Attribute VB_PredeclaredId = True

Attribute VB_Exposed = False

Option Explicit

Dim ReturnHeight As Long, ReturnWidth As Long

Private Sub Command1_Click()

Dim BigWidth As Long, BigHeight As Long

Dim StretchWidth As Long, StretchHeight As Long

CommonDialog1.Filter = "jpeg文件|*.jpg|gif文件|*.gif|所有文件|*.*"

CommonDialog1.ShowOpen

If CommonDialog1.FileName <> "" Then

Picture1.Picture = LoadPicture(CommonDialog1.FileName)

BigWidth = Picture1.Width

BigHeight = Picture1.Height

StretchWidth = Picture2.ScaleWidth

StretchHeight = Picture2.ScaleHeight

StretchImage BigWidth, BigHeight, StretchWidth, StretchHeight, True

Image1.Stretch = True

Image1.Width = ReturnWidth

Image1.Height = ReturnHeight

Image1.Left = (Picture2.ScaleWidth - Image1.Width) / 2

Image1.Top = (Picture2.ScaleHeight - Image1.Height) / 2

Image1.Picture = LoadPicture(CommonDialog1.FileName)

End If

End Sub

Private Sub StretchImage(OriginalWidth As Long, OriginalHeight As Long, StretchWidth As Long, StretchHeight As Long, Optional Flag As Boolean = False)

If (OriginalWidth >= StretchWidth Or OriginalHeight > StretchHeight) Or Flag = True Then '需要缩放

If OriginalWidth / OriginalHeight >= StretchWidth / StretchHeight Then

ReturnWidth = StretchWidth

ReturnHeight = StretchWidth / OriginalWidth * OriginalHeight

Else

ReturnHeight = StretchHeight

ReturnWidth = StretchHeight / OriginalHeight * OriginalWidth

End If

Else

ReturnHeight = OriginalHeight

ReturnWidth = OriginalWidth

End If

End Sub

 
 
 
免责声明:本文为网络用户发布,其观点仅代表作者个人观点,与本站无关,本站仅提供信息存储服务。文中陈述内容未经本站证实,其真实性、完整性、及时性本站不作任何保证或承诺,请读者仅作参考,并请自行核实相关内容。
2023年上半年GDP全球前十五强
 百态   2023-10-24
美众议院议长启动对拜登的弹劾调查
 百态   2023-09-13
上海、济南、武汉等多地出现不明坠落物
 探索   2023-09-06
印度或要将国名改为“巴拉特”
 百态   2023-09-06
男子为女友送行,买票不登机被捕
 百态   2023-08-20
手机地震预警功能怎么开?
 干货   2023-08-06
女子4年卖2套房花700多万做美容:不但没变美脸,面部还出现变形
 百态   2023-08-04
住户一楼被水淹 还冲来8头猪
 百态   2023-07-31
女子体内爬出大量瓜子状活虫
 百态   2023-07-25
地球连续35年收到神秘规律性信号,网友:不要回答!
 探索   2023-07-21
全球镓价格本周大涨27%
 探索   2023-07-09
钱都流向了那些不缺钱的人,苦都留给了能吃苦的人
 探索   2023-07-02
倩女手游刀客魅者强控制(强混乱强眩晕强睡眠)和对应控制抗性的关系
 百态   2020-08-20
美国5月9日最新疫情:美国确诊人数突破131万
 百态   2020-05-09
荷兰政府宣布将集体辞职
 干货   2020-04-30
倩女幽魂手游师徒任务情义春秋猜成语答案逍遥观:鹏程万里
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案神机营:射石饮羽
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案昆仑山:拔刀相助
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案天工阁:鬼斧神工
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案丝路古道:单枪匹马
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案镇郊荒野:与虎谋皮
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案镇郊荒野:李代桃僵
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案镇郊荒野:指鹿为马
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案金陵:小鸟依人
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案金陵:千金买邻
 干货   2019-11-12
 
>>返回首页<<
推荐阅读
 
 
频道精选
 
静静地坐在废墟上,四周的荒凉一望无际,忽然觉得,凄凉也很美
© 2005- 王朝网络 版权所有