Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/lib/animation/animations.h

@@ -0,0 +1,144 @@
+// This file is part of VSTGUI. It is subject to the license terms 
+// in the LICENSE file found in the top-level directory of this
+// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
+
+#pragma once
+
+#include "../vstguifwd.h"
+#include "ianimationtarget.h"
+#include "../crect.h"
+
+namespace VSTGUI {
+namespace Animation {
+
+//-----------------------------------------------------------------------------
+/// @brief animates the alpha value of the view
+/// @ingroup AnimationTargets
+///	@ingroup new_in_4_0
+//-----------------------------------------------------------------------------
+class AlphaValueAnimation : public IAnimationTarget, public NonAtomicReferenceCounted
+{
+public:
+	AlphaValueAnimation (float endValue, bool forceEndValueOnFinish = false);
+
+	void animationStart (CView* view, IdStringPtr name) override;
+	void animationTick (CView* view, IdStringPtr name, float pos) override;
+	void animationFinished (CView* view, IdStringPtr name, bool wasCanceled) override;
+protected:
+	float startValue;
+	float endValue;
+	bool forceEndValueOnFinish;
+};
+
+//-----------------------------------------------------------------------------
+/// @brief animates the view size of the view
+/// @ingroup AnimationTargets
+///	@ingroup new_in_4_0
+//-----------------------------------------------------------------------------
+class ViewSizeAnimation : public IAnimationTarget, public NonAtomicReferenceCounted
+{
+public:
+	ViewSizeAnimation (const CRect& newRect, bool forceEndValueOnFinish = false);
+
+	void animationStart (CView* view, IdStringPtr name) override;
+	void animationTick (CView* view, IdStringPtr name, float pos) override;
+	void animationFinished (CView* view, IdStringPtr name, bool wasCanceled) override;
+protected:
+	CRect startRect;
+	CRect newRect;
+	bool forceEndValueOnFinish;
+};
+
+//-----------------------------------------------------------------------------
+/// @brief exchange a view by another view with an animation
+/// @ingroup AnimationTargets
+///	@ingroup new_in_4_0
+//-----------------------------------------------------------------------------
+class ExchangeViewAnimation : public IAnimationTarget, public NonAtomicReferenceCounted
+{
+public:
+	enum AnimationStyle {
+		kAlphaValueFade = 0,
+		kPushInFromLeft,
+		kPushInFromRight,
+		kPushInFromTop,
+		kPushInFromBottom,
+		kPushInOutFromLeft,
+		kPushInOutFromRight
+	};
+
+	/** oldView must be a subview of the animation view */
+	ExchangeViewAnimation (CView* oldView, CView* newView, AnimationStyle style = kAlphaValueFade);
+	~ExchangeViewAnimation () noexcept override;
+
+	void animationStart (CView* view, IdStringPtr name) override;
+	void animationTick (CView* view, IdStringPtr name, float pos) override;
+	void animationFinished (CView* view, IdStringPtr name, bool wasCanceled) override;
+protected:
+
+	void init ();
+	void doAlphaFade (float pos);
+	void doPushInFromLeft (float pos);
+	void doPushInFromRight (float pos);
+	void doPushInFromTop (float pos);
+	void doPushInFromBottom (float pos);
+	void doPushInOutFromLeft (float pos);
+	void doPushInOutFromRight (float pos);
+
+	void updateViewSize (CView* view, const CRect& rect);
+
+	SharedPointer<CView> newView;
+	SharedPointer<CView> viewToRemove;
+	AnimationStyle style;
+	float newViewAlphaValueEnd;
+	float oldViewAlphaValueStart;
+	CRect destinationRect;
+};
+
+//-----------------------------------------------------------------------------
+/// @brief animates the value of a CControl
+/// @ingroup AnimationTargets
+///	@ingroup new_in_4_0
+//-----------------------------------------------------------------------------
+class ControlValueAnimation : public IAnimationTarget, public NonAtomicReferenceCounted
+{
+public:
+	ControlValueAnimation (float endValue, bool forceEndValueOnFinish = false);
+
+	void animationStart (CView* view, IdStringPtr name) override;
+	void animationTick (CView* view, IdStringPtr name, float pos) override;
+	void animationFinished (CView* view, IdStringPtr name, bool wasCanceled) override;
+protected:
+	float startValue;
+	float endValue;
+	bool forceEndValueOnFinish;
+};
+
+//------------------------------------------------------------------------
+/// @brief animation via custom functions
+/// @ingroup AnimationTargets
+///	@ingroup new_in_4_14
+//------------------------------------------------------------------------
+class FuncAnimation : public IAnimationTarget,
+					  public NonAtomicReferenceCounted
+{
+public:
+	using StartFunc = std::function<void (CView*, IdStringPtr)>;
+	using TickFunc = std::function<void (CView*, IdStringPtr, float)>;
+	using FinishedFunc = std::function<void (CView*, IdStringPtr, bool)>;
+
+	FuncAnimation (StartFunc&& start, TickFunc&& tick, FinishedFunc&& finished);
+
+	void animationStart (CView* view, IdStringPtr name) override;
+	void animationTick (CView* view, IdStringPtr name, float pos) override;
+	void animationFinished (CView* view, IdStringPtr name, bool wasCanceled) override;
+
+private:
+	StartFunc start;
+	TickFunc tick;
+	FinishedFunc finished;
+};
+
+} // Animation
+} // VSTGUI
+