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engines/nancy/ui/viewport.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 NANCY_UI_VIEWPORT_H
+#define NANCY_UI_VIEWPORT_H
+
+#include "engines/nancy/time.h"
+#include "engines/nancy/video.h"
+
+#include "engines/nancy/renderobject.h"
+
+namespace Common {
+class String;
+}
+
+namespace Nancy {
+
+class Scene;
+struct NancyInput;
+
+namespace UI {
+
+class Viewport : public Nancy::RenderObject {
+public:
+	Viewport() :
+		RenderObject(6),
+		_movementLastFrame(0),
+		_edgesMask(0),
+		_currentFrame(0),
+		_videoFormat(kLargeVideoFormat),
+		_stickyCursorPos(-1, -1),
+		_panningType(kPanNone),
+		_decoder(AVFDecoder::kLoadBidirectional),
+		_autoMove(false) {}
+
+	virtual ~Viewport() { _decoder.close(); _fullFrame.free(); }
+
+	void init() override;
+	void handleInput(NancyInput &input);
+
+	void loadVideo(const Common::Path &filename, uint frameNr = 0, uint verticalScroll = 0, byte panningType = kPanNone, uint16 format = 2, const Common::Path &palette = Common::Path());
+
+	void setFrame(uint frameNr);
+	void setNextFrame();
+	void setPreviousFrame();
+
+	void setVerticalScroll(uint scroll);
+	void scrollUp(uint delta);
+	void scrollDown(uint delta);
+
+	uint16 getFrameCount() const { return _decoder.isVideoLoaded() ? _decoder.getFrameCount() : 0; }
+	uint16 getCurFrame() const { return _currentFrame; }
+	uint16 getCurVerticalScroll() const { return _drawSurface.getOffsetFromOwner().y; }
+	uint16 getMaxScroll() const;
+
+	Common::Rect convertViewportToScreen(const Common::Rect &viewportRect) const;
+	Common::Rect convertScreenToViewport(const Common::Rect &viewportRect) const;
+
+	void disableEdges(byte edges);
+	void enableEdges(byte edges);
+
+protected:
+	void setEdgesSize(uint16 upSize, uint16 downSize, uint16 leftSize, uint16 rightSize);
+
+	Common::Rect _nonScrollZone;
+	byte _edgesMask;
+
+	byte _movementLastFrame;
+	Time _nextMovementTime;
+
+	byte _panningType;
+
+	AVFDecoder _decoder;
+	uint16 _currentFrame;
+	uint16 _videoFormat;
+	Graphics::ManagedSurface _fullFrame;
+	Common::Rect _format1Bounds;
+	Common::Rect _format2Bounds;
+	Common::Point _stickyCursorPos;
+
+	bool _autoMove;
+};
+
+} // End of namespace UI
+} // End of namespace Nancy
+
+#endif // NANCY_UI_VIEWPORT_H