virtual bool GetString(CTSTR lpName, String &strVal) const {return globalSource->GetString(lpName, strVal);}
virtual bool GetFloat(CTSTR lpName, float &fValue) const {return globalSource->GetFloat(lpName, fValue);}
virtual bool GetInt(CTSTR lpName, int &iValue) const {return globalSource->GetInt(lpName, iValue);}
virtual void SetVector4(CTSTR lpName, const Vect4 &value) {globalSource->SetVector4(lpName, value);}
virtual void SetMatrix(CTSTR lpName, const Matrix &mat) {globalSource->SetMatrix(lpName, mat);}
virtual void SetInt(CTSTR lpName, int iValue) {globalSource->SetInt(lpName, iValue);}
virtual void SetString(CTSTR lpName, CTSTR lpVal) {globalSource->SetString(lpName, lpVal);}
virtual void SetFloat(CTSTR lpName, float fValue) {globalSource->SetFloat(lpName, fValue);}
Vect2 GetSize() const {return globalSource->GetSize();}
void Render(const Vect2 &pos, const Vect2 &size) {globalSource->Render(pos, size);}
void
Image::OnPropertyChanged (PropertyChangedEventArgs *args, MoonError *error)
{
if (args->GetProperty ()->GetOwnerType() != Type::IMAGE) {
MediaBase::OnPropertyChanged (args, error);
return;
}
if (args->GetId () == Image::SourceProperty) {
ImageSource *source = args->GetNewValue () ? args->GetNewValue ()->AsImageSource () : NULL;
ImageSource *old = args->GetOldValue () ? args->GetOldValue ()->AsImageSource () : NULL;
if (old) {
if (old->Is(Type::BITMAPSOURCE)) {
old->RemoveHandler (BitmapSource::PixelDataChangedEvent, source_pixel_data_changed, this);
}
if (old->Is(Type::BITMAPIMAGE)) {
old->RemoveHandler (BitmapImage::DownloadProgressEvent, download_progress, this);
old->RemoveHandler (BitmapImage::ImageOpenedEvent, image_opened, this);
old->RemoveHandler (BitmapImage::ImageFailedEvent, image_failed, this);
}
}
if (source) {
if (source->Is(Type::BITMAPSOURCE)) {
source->AddHandler (BitmapSource::PixelDataChangedEvent, source_pixel_data_changed, this);
}
if (source->Is(Type::BITMAPIMAGE)) {
source->AddHandler (BitmapImage::DownloadProgressEvent, download_progress, this);
source->AddHandler (BitmapImage::ImageOpenedEvent, image_opened, this);
source->AddHandler (BitmapImage::ImageFailedEvent, image_failed, this);
}
if (source->GetPixelWidth () > 0 && source->GetPixelHeight () > 0) {
RoutedEventArgs *args = MoonUnmanagedFactory::CreateRoutedEventArgs ();
ImageOpened (args);
args->unref ();
}
} else {
UpdateBounds ();
Invalidate ();
}
InvalidateMeasure ();
}
// we need to notify attachees if our DownloadProgress changed.
NotifyListenersOfPropertyChange (args, error);
}
void
Image::Render (cairo_t *cr, Region *region, bool path_only)
{
ImageSource *source = GetSource ();
cairo_pattern_t *pattern = NULL;
cairo_matrix_t matrix;
if (!source)
return;
source->Lock ();
cairo_save (cr);
Size specified (GetActualWidth (), GetActualHeight ());
Size stretched = ApplySizeConstraints (specified);
bool adjust = specified != GetRenderSize ();
if (GetStretch () != StretchUniformToFill)
specified = specified.Min (stretched);
Rect paint = Rect (0, 0, specified.width, specified.height);
if (!path_only) {
Rect image = Rect (0, 0, source->GetPixelWidth (), source->GetPixelHeight ());
if (GetStretch () == StretchNone)
paint = paint.Union (image);
if (image.width == 0.0 && image.height == 0.0)
goto cleanup;
pattern = cairo_pattern_create_for_surface (source->GetSurface (cr));
image_brush_compute_pattern_matrix (&matrix, paint.width, paint.height,
image.width, image.height,
GetStretch (),
AlignmentXCenter, AlignmentYCenter, NULL, NULL);
cairo_pattern_set_matrix (pattern, &matrix);
#if MAKE_EVERYTHING_SLOW_AND_BUGGY
cairo_pattern_set_extend (pattern, CAIRO_EXTEND_PAD);
#endif
if (cairo_pattern_status (pattern) == CAIRO_STATUS_SUCCESS) {
cairo_set_source (cr, pattern);
}
cairo_pattern_destroy (pattern);
}
if (adjust) {
// FIXME: Propagate error properly
MoonError error;
specified = MeasureOverrideWithError (specified, &error);
paint = Rect ((stretched.width - specified.width) * 0.5, (stretched.height - specified.height) * 0.5, specified.width, specified.height);
}
if (!path_only)
RenderLayoutClip (cr);
paint = paint.Intersection (Rect (0, 0, stretched.width, stretched.height));
paint.Draw (cr);
if (!path_only)
cairo_fill (cr);
cleanup:
cairo_restore (cr);
source->Unlock ();
}