//Close destroys c.
//
//Originally cairo_destroy.
func (c *Context) Close() error {
if c == nil || c.c == nil {
return nil
}
runtime.SetFinalizer(c, nil)
err := c.Err()
C.cairo_destroy(c.c)
c.c = nil
c.s = nil
return err
}
func (o *dockIcon) SetIcon(str string) error {
if o.Ptr.image.pSurface == nil {
return errors.New("icon has no image.pSurface")
}
var cstr *C.gchar
if str != "" {
cstr = (*C.gchar)(C.CString(str))
defer C.free(unsafe.Pointer((*C.char)(cstr)))
}
ctx := C.cairo_create(o.Ptr.image.pSurface)
C.cairo_dock_set_image_on_icon(ctx, cstr, o.Ptr, o.GetContainer().Ptr) // returns gboolean
C.cairo_destroy(ctx)
return nil
}
func (self *Surface) Destroy() {
C.cairo_destroy(self.context)
C.cairo_surface_destroy(self.surface)
}
// destroy is a wrapper around cairo_destroy().
func (v *Context) destroy() {
C.cairo_destroy(v.native())
}
func (self *Surface) Finish() { C.cairo_destroy(self.context) }
// completes and closes the file being written to
func (g *Graphic) Close() error {
// destroy the context
err := g.cairoStatus()
if err != nil {
return err
}
C.cairo_destroy(g.cr)
// finishing the surface writes pdf, ps, and svg files
C.cairo_surface_finish(g.surface)
err = g.cairoSurfaceStatus()
if err != nil {
return err
}
// write other formats
switch g.format {
case "eps", "pdf", "ps", "svg":
// cairo_surface_finish writes the surface to file
case "png":
img, err := g.Image()
if err != nil {
return err
}
file, err := os.Create(g.filename)
if err != nil {
return err
}
defer file.Close()
err = png.Encode(file, img)
if err != nil {
return err
}
case "jpeg":
img, err := g.Image()
if err != nil {
return err
}
file, err := os.Create(g.filename)
if err != nil {
return err
}
defer file.Close()
err = jpeg.Encode(file, img, nil)
if err != nil {
return err
}
default:
panic("unsupported format: " + g.format)
}
// destroy the surface
C.cairo_surface_destroy(g.surface)
err = g.cairoSurfaceStatus()
if err != nil {
return err
}
return nil
}
func (self *Surface) ContextDestroy() { C.cairo_destroy(self.context) }
func (t *PDFStreamTextObject) Close() {
C.cairo_destroy(t.context)
C.cairo_surface_destroy(t.surface)
t.context = nil
t.surface = nil
}
func (c *CairoContext) Destroy() error {
C.cairo_destroy(c.nativePointer())
*c = 0
return nil
}