// Returns a new canvas object.
func New() *Canvas {
cv := &Canvas{}
cv.Init()
cv.wand = C.NewMagickWand()
cv.fg = C.NewPixelWand()
cv.bg = C.NewPixelWand()
cv.fill = C.NewPixelWand()
cv.stroke = C.NewPixelWand()
cv.drawing = C.NewDrawingWand()
//cv.SetColor("#ffffff")
cv.SetBackgroundColor("none")
cv.SetStrokeColor("#ffffff")
cv.SetStrokeAntialias(true)
cv.SetStrokeWidth(1.0)
cv.SetStrokeOpacity(1.0)
cv.SetStrokeLineCap(STROKE_ROUND_CAP)
cv.SetStrokeLineJoin(STROKE_ROUND_JOIN)
//cv.SetFillRule(FILL_EVEN_ODD_RULE)
cv.SetFillColor("#888888")
return cv
}
func Resize(fpath, tpath string, typ, cols, rows int) error {
var mw *C.MagickWand = C.NewMagickWand()
var cfpath = C.CString(fpath)
var ctpath = C.CString(tpath)
var etype C.ExceptionType
defer func() {
C.free(unsafe.Pointer(cfpath))
C.free(unsafe.Pointer(ctpath))
}()
defer func() {
C.ClearMagickWand(mw)
C.DestroyMagickWand(mw)
}()
if C.MagickReadImage(mw, cfpath) == C.MagickFalse {
goto ERR
}
if C.scale(mw, C.int(typ), C.int(cols), C.int(rows)) == C.MagickFalse {
goto ERR
}
if C.MagickWriteImages(mw, ctpath, C.MagickTrue) == C.MagickFalse {
goto ERR
}
return nil
ERR:
etype = C.MagickGetExceptionType(mw)
return errors.New(C.GoString(C.MagickGetException(mw, &etype)))
}
// Returns a new canvas object.
func New() *Canvas {
self := &Canvas{}
self.wand = C.NewMagickWand()
self.drawing = C.NewDrawingWand()
self.fg = C.NewPixelWand()
self.bg = C.NewPixelWand()
self.fill = C.NewPixelWand()
self.stroke = C.NewPixelWand()
self.SetBackgroundColor("none")
self.SetStrokeColor("#ffffff")
//self.SetStrokeAntialias(true)
//self.SetStrokeWidth(1.0)
//self.SetStrokeOpacity(1.0)
//self.SetStrokeLineCap(STROKE_ROUND_CAP)
//self.SetStrokeLineJoin(STROKE_ROUND_JOIN)
self.SetFillColor("#000000")
return self
}
// Returns a new canvas object.
func New() *Canvas {
self := &Canvas{}
self.wand = C.NewMagickWand()
self.fg = C.NewPixelWand()
self.bg = C.NewPixelWand()
self.fill = C.NewPixelWand()
self.stroke = C.NewPixelWand()
self.drawing = C.NewDrawingWand()
//self.SetColor("#ffffff")
self.SetBackgroundColor("none")
self.SetStrokeColor("#ffffff")
self.SetStrokeAntialias(true)
self.SetStrokeWidth(1.0)
self.SetStrokeOpacity(1.0)
self.SetStrokeLineCap(STROKE_ROUND_CAP)
self.SetStrokeLineJoin(STROKE_ROUND_JOIN)
//self.SetFillRule(FILL_EVEN_ODD_RULE)
self.SetFillColor("#888888")
self.text = self.NewTextProperties(true)
return self
}
func Open(filename string) (img *Image, err error) {
img = &Image{wand: C.NewMagickWand()}
var file *os.File
if file, err = os.Open(filename); err != nil {
return nil, err
}
var data []byte
if data, err = ioutil.ReadAll(file); err != nil {
return nil, err
}
C.MagickReadImageBlob(img.wand, unsafe.Pointer(&data[0]), C.size_t(len(data)))
return img, 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
}
/*
Create a wand required for all other methods in the API. A panic() is
thrown if there is not enough memory to allocate the wand. Use Destroy() to
dispose of the wand when it is no longer needed.
*/
func NewMagickWand() *MagickWand {
return &MagickWand{wand: C.NewMagickWand()}
}
// Public: create a new mage, associate with a new magick wand
//
// Examples:
// InitWandEnv()
// mage := NewMage()
// ...
// TermWandEnv()
func NewMage() *Mage {
mage := &Mage{}
mage.wand = C.NewMagickWand()
return mage
}
