#include "ltwrappr.h"
virtual L_INT LPaintEffect::PaintTransition(pRect, uTransition, uEffect=EFX_EFFECT_WIPE_L_TO_R, nSpeed = 0, nCycles = 0, uPass=1, uMaxPass=1, uROP=SRCCOPY)
LPRECT pRect; |
the bounding rectangle |
L_UINT uTransition; |
the filling style |
L_UINT uEffect; |
the effect to apply when painting |
L_INT nSpeed; |
speed of the wave |
L_INT nCycles; |
number of cycles or repetitions |
L_UINT uPass; |
pass number when using a pattern brush |
L_UINT uMaxPass; |
maximum passes for a pattern brush |
L_UINT32 uROP; |
windows ROP code for display |
Draws a rectangle into the associated device context with the specified fill pattern while using a special effect.
Parameter |
Description |
pRect |
The bounding rectangle. |
uTransition |
Filling style used during transition. For valid values, refer to Effect Transition Filling Styles. |
uEffect |
Effect to apply when painting. For valid values, refer to Effect Types. |
nSpeed |
Speed of the wave. Valid values are 1 to 256. This parameter is valid only if the uEffect parameter is from the Wave class. |
nCycles |
Number of cycles or repetitions used to draw the wave. This parameter is valid only if the uEffect parameter is from the Wave class. |
uPass |
Pass number when using a pattern brush. Use 1 for painting in one pass. |
uMaxPass |
Maximum passes for a pattern brush. Use 1 for painting in one pass. |
uROP |
Windows ROP code for display. This parameter takes the same codes as the Windows BitBlt function. For ordinary painting, use SRCCOPY. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Use this function to create a special effect screen transition before painting the next image.
Use LPaintEffect::SetTransitionParameters to control the properties of the transition.
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: |
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Topics: |
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L_INT LPaintEffect__PaintTransitionExample(LBitmapBase& LeadBitmap,HDC hDC)
{
L_INT nRet;
LPaintEffect LeadPaintEffect;
TRANSITIONDLGPARAMS TransDlgParm;
RECT Rect;
LeadPaintEffect.SetBitmap(&LeadBitmap) ;
LeadPaintEffect.SetDC(hDC) ;
LeadPaintEffect.GetTransitionParameters(&TransDlgParm) ;
TransDlgParm.uGrain = 5;
TransDlgParm.uDelay = 10;
TransDlgParm.bTransparent = TRUE;
TransDlgParm.crTransparent = RGB(10,0,255);
nRet = LeadPaintEffect.SetTransitionParameters(&TransDlgParm) ;
if(nRet != SUCCESS)
return nRet;
Rect.left = 50 ;
Rect.top = 50 ;
Rect.right = 200 ;
Rect.bottom = 200 ;
nRet = LeadPaintEffect.PaintTransition(&Rect,EFX_TRANS_GRADIENT_LINE_T_TO_B,
EFX_EFFECT_WIPE_RECTANGLE_IN, 0,0, 1,3);
if(nRet != SUCCESS)
return nRet;
nRet = LeadPaintEffect.PaintTransition(&Rect,EFX_TRANS_GRADIENT_LINE_T_TO_B,
EFX_EFFECT_WIPE_RECTANGLE_OUT, 0,0,2,3);
if(nRet != SUCCESS)
return nRet;
nRet = LeadPaintEffect.PaintTransition(&Rect,EFX_TRANS_GRADIENT_LINE_T_TO_B,
EFX_EFFECT_WIPE_RECTANGLE_IN, 0,0,3,3);
if(nRet != SUCCESS)
return nRet;
LeadPaintEffect.SetDC(0) ;
return SUCCESS;
}
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