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LBitmap::DrawStar

Summary

Draws a star on the bitmap.

Syntax

#include "ltwrappr.h"

virtual L_INT LBitmap::DrawStar(pStarInfo, uFlags = 0)

Parameters

pSTARINFO pStarInfo

Pointer to an LPSTARINFO structure that contains star information.

L_UINT32 uFlags

Reserved for future use. Must be 0.

Returns

Value	Meaning
SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

If the bitmap has a region, the effect will be applied on the region only.

This function supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.

To update a status bar or detect a user interrupt during execution of this function, refer to LBase::EnableStatusCallback.

This function does not support signed data images. It returns the error code ERROR_SIGNED_DATA_NOT_SUPPORTED if a signed data image is passed to this function.

This function does not support 32-bit grayscale images. It returns the error code ERROR_GRAY32_UNSUPPORTED if a 32-bit grayscale image is passed to this function.

Star Draw Function - Before

Star Draw Function - After

View additional platform support for this Star Draw function.

Required DLLs and Libraries

LTIMGSFX
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64.

Example

L_INT LBitmap__DrawStarExample(LAnimationWindow *BitmapWindow)  
{ 
   STARINFO StarInfo;  
 
   StarInfo.uStructSize     = sizeof(STARINFO);  
   StarInfo.nAngle      = 0;  
   StarInfo.nAngleOpac  = 0;  
   StarInfo.nBorderOpac = 0;  
   StarInfo.nDistOpac   = 0;  
   StarInfo.nPhase      = 0;  
   StarInfo.nSpokeDiv   = 0;  
   StarInfo.pCenter.x   = BitmapWindow->GetWidth()/2;  
   StarInfo.pCenter.y   = BitmapWindow->GetHeight ()/2;  
   StarInfo.uFlag       = STR_INSIDE;  
   StarInfo.uHoleSize   = 50;  
   StarInfo.uOpacity    = 100;  
   StarInfo.uSpoke      = 5;  
   StarInfo.uStarHeight = BitmapWindow->GetHeight()/2;  
   StarInfo.uStarWidth  = BitmapWindow->GetWidth()/2;  
   StarInfo.crFillUpper = RGB(255, 0, 0);  
   StarInfo.crFillLower = RGB(0, 0, 255);  
 
   return BitmapWindow->DrawStar(&StarInfo);  
}