L_ZoomWaveBitmap (original) (raw)

Summary

Distorts the bitmap with a wave zoomed from the specified center.

Syntax

#include "l_bitmap.h"

L_LTIMGSFX_API L_INT L_ZoomWaveBitmap(pBitmap, uAmplitude, uFrequency, nPhase, uZomFact, CenterPt, crFill, uFlags)

Parameters

pBITMAPHANDLE pBitmap

Pointer to the bitmap handle that references the bitmap on which to apply the effect.

L_UINT uAmplitude

Zoom wave magnitude.

L_UINT uFrequency

The number of repeated waves along the radial line.

L_INT nPhase

Wave phase shift. The valid range is from -36000 to 36000. The real value is nPhase divided by 100.

L_UINT uZomFact

The percentage the wave grows as it moves from the image center. The valid range is from 0 to 100.

POINT CenterPt

POINT structure that contains the center point from which the wave is zoomed.

COLORREF crFill

The COLORREF value that specifies the fill color for any exposed areas. You can specify a COLORREF value, such as the return value of the Windows RGB macro, or you can use the PALETTEINDEX macro to specify a palette color.

L_UINT uFlags

Flag that indicates how to handle exposed areas. Possible values are:

Returns

Comments

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.

The function applies a sinusoidal wave zoomed from the specified center. The center point must be defined inside the bitmap, or inside the region, if the bitmap has a region.

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 in the Document and Medical Imaging toolkits.

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

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.

Zoom Wave Function - Before

Zoom Wave Function - After

View additional platform support for this Zoom Wave 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.

See Also

Functions

• L_AddBitmapNoise
• L_EmbossBitmap
• L_MosaicBitmap
• L_MotionBlurBitmap
• L_OilifyBitmap
• L_PosterizeBitmap
• L_RemoveRedeyeBitmap
• L_SolarizeBitmap
• L_UnderlayBitmap
• L_BendingBitmap
• L_CylindricalBitmap
• L_FreeHandShearBitmap
• L_FreeHandWaveBitmap
• L_PixelateBitmap
• L_ImpressionistBitmap
• L_PolarBitmap
• L_PunchBitmap
• L_RadialBlurBitmap
• L_RadWaveBitmap
• L_RippleBitmap
• L_SpherizeBitmap
• L_SwirlBitmap
• L_WaveBitmap
• L_WindBitmap
• L_ZoomBlurBitmap
• L_BumpMapBitmap
• L_CubismBitmap
• L_DrawStarBitmap
• L_DryBitmap
• L_FreePlaneBendBitmap
• L_FreeRadBendBitmap
• L_GlassEffectBitmap
• L_GlowFilterBitmap
• L_LensFlareBitmap
• L_LightBitmap
• L_OceanBitmap
• L_PlaneBendBitmap
• L_PlaneBitmap
• L_SampleTargetBitmap
• L_TunnelBitmap
• L_DlgZoomWave

Topics

• Raster Image Functions: Doing Geometric Transformations
• Processing an Image
• Applying Artistic Effects
• Using Color Values in LEADTOOLS

Example

L_INT ZoomWaveBitmapExample(L_VOID) { L_INT nRet; BITMAPHANDLE LeadBitmap; /* Bitmap handle for the image */ POINT CenterPt; /* Load a bitmap at its own bits per pixel */ nRet = L_LoadBitmap(MAKE_IMAGE_PATH(TEXT("sample5.cmp")), &LeadBitmap, sizeof(BITMAPHANDLE), 0, ORDER_BGR, NULL, NULL); if (nRet != SUCCESS) return nRet; /* apply zoom wave from center of the image*/ CenterPt.x = LeadBitmap.Width / 2; CenterPt.y = LeadBitmap.Height / 2; nRet = L_ZoomWaveBitmap(&LeadBitmap, 20, 10, 0, 0, CenterPt, 0, FILL_RPT); if (nRet != SUCCESS) return nRet; nRet = L_SaveBitmap(MAKE_IMAGE_PATH(TEXT("Result.BMP")), &LeadBitmap, FILE_BMP, 24, 0, NULL); if (nRet != SUCCESS) return nRet; //free bitmap if (LeadBitmap.Flags.Allocated) L_FreeBitmap(&LeadBitmap); return SUCCESS; }