#include "ltwrappr.h"
L_BOOL LAnimationWindow::IsValidAnimation() const
Determines whether the LAnimationWindow object is valid.
TRUE |
The LAnimationWindow object is valid. |
FALSE |
The LAnimationWindow object is not valid. |
Before you can use any of the animation playback functions, a valid LBitmapList object must be associated with the class object. Until you have associated a bitmap list with the LAnimationWindow object, the object is considered invalid.
You can associate a bitmap list with the LAnimationWindow object using the constructor(LAnimationWindow::LAnimationWindow), LAnimationWindow::SetBitmapList, or LAnimationWindow::Load.
Note: This function also determines whether the current file is an animated GIF file. If the file contains more than one page, the function will return TRUE.
Required DLLs and Libraries
LTDIS For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64.
Functions: |
#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName
L_INT LAnimationWindow_IsValidAnimationExample(HWND hWndParent)
{
L_INT nRet;
LBase::LoadLibraries(LT_ALL_LEADLIB);
//make sure all libraries are loaded
LBitmap Bitmap;
LBitmapList MyBitmapList;
LAnimationWindow MyAnimation;
L_TCHAR * pszFiles[] = {MAKE_IMAGE_PATH(TEXT("image1.cmp")),
MAKE_IMAGE_PATH(TEXT("image2.cmp")),
MAKE_IMAGE_PATH(TEXT("ImageProcessingDemo\\Image3.cmp"))};
MyBitmapList.Create();
for (int i = 0 ; i<3; i++)
{
nRet = Bitmap.Load(pszFiles[i]);
if (nRet !=SUCCESS)
{
MessageBox(hWndParent, TEXT("Failed to load file"),TEXT("Error!"),MB_OK | MB_ICONSTOP);
return nRet;
}
nRet = MyBitmapList.InsertItem(&Bitmap);
if(nRet != SUCCESS)
return nRet;
}
MyAnimation.SetBitmapList(&MyBitmapList);
if (MyAnimation.IsValidAnimation())
{
MyAnimation.CreateWnd(hWndParent,0, WS_VISIBLE|WS_CHILD|WS_BORDER,0,0,800,600);
MyAnimation.SetDelay(1000);
MyAnimation.SetBackgroundColor(RGB(255,255,255));
nRet = MyAnimation.PlayAnimation();
if(nRet != SUCCESS)
return nRet;
while (MyAnimation.IsPlaying())
{
if (MyAnimation.DoEvents())
break;
}
MessageBox(hWndParent, TEXT("Press Ok to terminate"),TEXT("Error!"),MB_OK | MB_ICONSTOP);
}
return SUCCESS;
}
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