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engines/stark/visual/effects/effect.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef STARK_VISUAL_EFFECTS_EFFECT_H
+#define STARK_VISUAL_EFFECTS_EFFECT_H
+
+#include "engines/stark/visual/visual.h"
+
+#include "common/rect.h"
+
+#include "graphics/pixelformat.h"
+
+namespace Graphics {
+struct Surface;
+}
+
+namespace Stark {
+
+namespace Gfx {
+class Driver;
+class SurfaceRenderer;
+class Bitmap;
+}
+
+/**
+ * A 2D visual effect overlay
+ *
+ * The backing surface is alpha blended on top of the scene
+ */
+class VisualEffect : public Visual {
+public:
+	explicit VisualEffect(VisualType type, const Common::Point &size, Gfx::Driver *gfx);
+	~VisualEffect() override;
+
+protected:
+	Gfx::Driver *_gfx;
+	Gfx::SurfaceRenderer *_surfaceRenderer;
+	Gfx::Bitmap *_bitmap;
+	Graphics::Surface *_surface;
+
+	uint _timeBetweenTwoUpdates;
+	int _timeRemainingUntilNextUpdate;
+	Common::Point _size;
+};
+
+} // End of namespace Stark
+
+#endif // STARK_VISUAL_EFFECTS_EFFECT_H