// Destroys canvas.
func (self Canvas) Destroy() error {
if self.wand != nil {
C.DestroyMagickWand(self.wand)
self.wand = nil
}
if self.bg != nil {
C.DestroyPixelWand(self.bg)
self.bg = nil
}
if self.fg != nil {
C.DestroyPixelWand(self.fg)
self.fg = nil
}
if self.stroke != nil {
C.DestroyPixelWand(self.stroke)
self.stroke = nil
}
if self.fill != nil {
C.DestroyPixelWand(self.fill)
self.fill = nil
}
if self.drawing != nil {
C.DestroyDrawingWand(self.drawing)
self.drawing = nil
}
return fmt.Errorf("Nothing to destroy")
}
// Deallocates resources associated with a pixel wand
func (pw *PixelWand) Destroy() {
if pw.pw == nil {
return
}
pw.pw = C.DestroyPixelWand(pw.pw)
C.free(unsafe.Pointer(pw.pw))
pw.pw = nil
}
// Deallocates resources associated with a pixel wand
func (pw *PixelWand) Destroy() {
if pw.pw == nil {
return
}
pw.pw = C.DestroyPixelWand(pw.pw)
relinquishMemory(unsafe.Pointer(pw.pw))
pw.pw = nil
}
// Destroys canvas.
func (self *Canvas) Destroy() error {
if self.bg != nil {
C.DestroyPixelWand(self.bg)
self.bg = nil
}
if self.fg != nil {
C.DestroyPixelWand(self.fg)
self.fg = nil
}
if self.stroke != nil {
C.DestroyPixelWand(self.stroke)
self.stroke = nil
}
if self.fill != nil {
C.DestroyPixelWand(self.fill)
self.fill = nil
}
if self.drawing != nil {
C.DestroyDrawingWand(self.drawing)
self.drawing = nil
}
if self.wand == nil {
return errors.New("Nothing to destroy")
} else {
C.DestroyMagickWand(self.wand)
self.wand = nil
}
if self.text != nil && self.text.UnderColor != nil {
C.DestroyPixelWand(self.text.UnderColor)
self.text.UnderColor = nil
}
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
}
func (self *Pixel) Destroy() {
C.DestroyPixelWand(self.wand)
}
// Deallocates resources associated with a PixelWand.
func (p *PixelWand) Destroy() {
C.DestroyPixelWand(p.wand)
}