This function pinches an image toward or away from the pinch center.
Declaration:
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AT_ERRCOUNT EXPORT ACCUAPI IG_FX_pinch(
HIGEAR hIGear,
AT_POINT nCenter,
AT_INT nRadius,
AT_FLOAT fStrength,
AT_BOOL bInterpolate,
HIGPIXEL hbkColor,
LPAT_RECT lpRect
);
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Arguments:
| Name | Type | Description |
| hIGear | HIGEAR | Image to which to apply the effect. |
| nCenter | AT_POINT | Pinch center, in pixels. |
| nRadius | AT_INT | Pinch radius, in pixels. |
| fStrength | AT_FLOAT | Pinch strength. Positive value means that the page is pinched away from the center. |
| bInterpolate | AT_BOOL | If TRUE, interpolation is used during processing. |
| hbkColor | HIGPIXEL | Background color. It should have the same color space and channel depths as the image to which the effect is applied. |
| lpRect | LPAT_RECT | Rectangular area to which to apply the effect, or NULL for whole image. |
Return Value:
Returns the number of ImageGear errors that occurred during this function call.
Supported Raster Image Formats:
When bInterpolate is FALSE, all pixel formats supported by ImageGear Professional, except:
- Indexed RGB – 1 bpp
- Grayscale – 1 bpp
When bInterpolate is TRUE, all pixel formats supported by ImageGear Professional, except:
- Indexed RGB – 1 bpp
- Indexed RGB with non-grayscale palette (only when bInterpolate is TRUE)
- Grayscale – 1 bpp