form1.frm

VB开发的不错的旋转位图程序

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   5280
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   8010
   LinkTopic       =   "Form1"
   ScaleHeight     =   5280
   ScaleWidth      =   8010
   StartUpPosition =   3  '窗口缺省
   Begin VB.PictureBox Picture2 
      Height          =   495
      Left            =   6120
      ScaleHeight     =   435
      ScaleWidth      =   1155
      TabIndex        =   2
      Top             =   1800
      Width           =   1215
   End
   Begin VB.PictureBox Picture1 
      AutoRedraw      =   -1  'True
      AutoSize        =   -1  'True
      Height          =   3240
      Left            =   1080
      Picture         =   "Form1.frx":0000
      ScaleHeight     =   3180
      ScaleWidth      =   4245
      TabIndex        =   1
      Top             =   1680
      Width           =   4305
   End
   Begin VB.HScrollBar HScroll1 
      Height          =   255
      Left            =   600
      TabIndex        =   0
      Top             =   480
      Width           =   2535
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Private Sub Form_Load()
Picture1.ScaleMode = 3
Picture2.ScaleMode = 3
Picture2.Width = ((Picture1.Width) ^ 2 + (Picture1.Height) ^ 2) ^ 0.5
Picture2.Height = Picture2.Width
End Sub

Private Sub HScroll1_Change()
abc = HScroll1.Value / 20
Picture2.Cls
Call bmp_rotate(Picture1, Picture2, Pi * abc)
'调用自定义函数,abc取值0-2可使位图旋转一周
End Sub