public DocumentRenderer(DocumentControl documentControl, Camera camera)
{
_documentControl = documentControl;
_camera = camera;
_backgroundRenderer = new BackgroundRenderer();
_layerRenderer = new LayerRenderer(documentControl);
}
public Camera(Mouse mouse, DocumentControl documentControl)
{
_documentControl = documentControl;
Zoom = 1f;
mouse.MiddleButtonDown += (sender, args) => StartPan(args.MouseState.Position);
mouse.MiddleButtonUp += (sender, args) => FinishPan();
mouse.MouseMove += (sender, args) =>
{
if (IsPanning)
{
UpdatePan(args.MouseState.Position);
}
};
mouse.MouseWheel += (sender, args) =>
{
if (args.WheelValueChange > 0)
{
ZoomIn(GetDocumentPosition(args.MouseState.Position).ToVector2());
}
else
{
ZoomOut(GetDocumentPosition(args.MouseState.Position).ToVector2());
}
};
MessageBus.Subscribe <GlyphChangedEvent>(e =>
{
if (e.PreviousGlyphFontViewModel != null && e.NewGlyphFontViewModel != null &&
e.PreviousGlyphFontViewModel.GlyphSize != e.NewGlyphFontViewModel.GlyphSize)
{
var zoomChangeFactor = (float)e.NewGlyphFontViewModel.GlyphSize.Y / e.PreviousGlyphFontViewModel.GlyphSize.Y;
SetPosition(Position * zoomChangeFactor);
SetZoom(Zoom / zoomChangeFactor);
}
});
}
public LayerRenderer(DocumentControl documentControl)
{
_documentControl = documentControl;
}