// 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
}
// 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 TextProperties structure.
// Parameters:
// read_default: if false, returns an empty structure.
// if true, returns a structure set with current canvas settings
func (self *Canvas) NewTextProperties(read_default bool) *TextProperties {
if read_default == true {
cfont := C.DrawGetFont(self.drawing)
defer C.free(unsafe.Pointer(cfont))
cfamily := C.DrawGetFontFamily(self.drawing)
defer C.free(unsafe.Pointer(cfamily))
csize := C.DrawGetFontSize(self.drawing)
cweight := C.DrawGetFontWeight(self.drawing)
calignment := C.DrawGetTextAlignment(self.drawing)
cantialias := C.DrawGetTextAntialias(self.drawing)
ckerning := C.DrawGetTextKerning(self.drawing)
antialias := false
if cantialias == C.MagickTrue {
antialias = true
}
underColor := C.NewPixelWand()
C.DrawGetTextUnderColor(self.drawing, underColor)
return &TextProperties{
Font: C.GoString(cfont),
Family: C.GoString(cfamily),
Size: float64(csize),
Weight: uint(cweight),
Alignment: Alignment(calignment),
Antialias: antialias,
Kerning: float64(ckerning),
UnderColor: underColor,
}
}
return &TextProperties{
UnderColor: C.NewPixelWand(),
}
}
// 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
}
// 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
}
// Returns a new pixel wand
func NewPixelWand() *PixelWand {
return &PixelWand{C.NewPixelWand()}
}