func (self *Canvas) SetSize(width, height uint) error {
if C.MagickSetSize(self.wand, C.size_t(width), C.size_t(height)) == C.MagickFalse {
return fmt.Errorf("Could not set size: %s", self.Error())
}
return nil
}
// Private: Create a blank magick wand with size width and height
//
// Params:
// - format: format of the new image
// - width: width of the new image
// - height: height of the new image
//
// Examples
// blankWand("jpg", 100, 100)
//
// Return *C.MagickWand
func blankWand(format string, width, height int) *C.MagickWand {
wand := C.NewMagickWand()
cformat := C.CString(format)
noneBackground := C.CString("none")
defer C.free(unsafe.Pointer(cformat))
defer C.free(unsafe.Pointer(noneBackground))
C.MagickSetFormat(wand, C.CString(format))
pixel := C.NewPixelWand()
defer C.DestroyPixelWand(pixel)
C.PixelSetColor(pixel, noneBackground)
C.MagickSetSize(wand, C.size_t(width), C.size_t(height))
C.MagickNewImage(wand, C.size_t(width), C.size_t(height), pixel)
return wand
}
// Sets the size of the magick wand. Set it before you read a raw image format
// such as RGB, GRAY, or CMYK.
func (mw *MagickWand) SetSize(cols, rows uint) error {
C.MagickSetSize(mw.mw, C.size_t(cols), C.size_t(rows))
return mw.GetLastError()
}
// Sets the size of the magick wand. Set it before you read a raw image format
// such as RGB, GRAY, or CMYK.
func (mw *MagickWand) SetSize(cols, rows uint) error {
ok := C.MagickSetSize(mw.mw, C.size_t(cols), C.size_t(rows))
return mw.getLastErrorIfFailed(ok)
}