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engines/access/asurface.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 ACCESS_ASURFACE_H
+#define ACCESS_ASURFACE_H
+
+#include "common/scummsys.h"
+#include "common/array.h"
+#include "common/memstream.h"
+#include "common/rect.h"
+#include "graphics/screen.h"
+#include "access/data.h"
+
+namespace Access {
+
+class SpriteResource;
+class SpriteFrame;
+
+/**
+ * Base Access surface class. This derivces from Graphics::Screen
+ * because it has logic we'll need for our own Screen class that
+ * derives from this one
+ */
+class BaseSurface : virtual public Graphics::Screen {
+private:
+	Graphics::Surface _savedBlock;
+
+	void flipHorizontal(BaseSurface &dest);
+protected:
+	Common::Rect _savedBounds;
+public:
+	int _leftSkip, _rightSkip;
+	int _topSkip, _bottomSkip;
+	int _orgX1, _orgY1;
+	int _orgX2, _orgY2;
+	int _lColor;
+
+	Common::Point _printOrg;
+	Common::Point _printStart;
+	int _maxChars;
+public:
+	// These values need to be shared between the buffers
+	static int _lastBoundsX, _lastBoundsY;
+	static int _lastBoundsW, _lastBoundsH;
+	static int _clipWidth, _clipHeight;
+public:
+	BaseSurface();
+
+	~BaseSurface() override;
+
+	void clearBuffer();
+
+	void plotImage(const SpriteResource *sprite, int frameNum, const Common::Point &pt);
+
+	/**
+	 * Scaled draw frame in forward orientation
+	 */
+	void sPlotF(const SpriteFrame *frame, const Common::Rect &bounds);
+
+	/**
+	 * Scaled draw frame in backwards orientation
+	 */
+	void sPlotB(const SpriteFrame *frame, const Common::Rect &bounds);
+
+	/**
+	 * Draw an image full-size in forward orientation
+	 */
+	void plotF(const SpriteFrame *frame, const Common::Point &pt);
+
+	/**
+	 * Draw an image full-size in backwards orientation
+	 */
+	void plotB(const SpriteFrame *frame, const Common::Point &pt);
+
+	virtual void copyBlock(const BaseSurface *src, const Common::Rect &bounds);
+
+	virtual void restoreBlock();
+
+	virtual void drawRect();
+
+	virtual void drawLine(int x1, int y1, int x2, int y2, int col);
+
+	virtual void drawLine();
+
+	virtual void drawBox();
+
+	virtual void copyBuffer(Graphics::ManagedSurface *src);
+
+	void copyTo(BaseSurface *dest);
+
+	void saveBlock(const Common::Rect &bounds);
+
+	void moveBufferLeft();
+
+	void moveBufferRight();
+
+	void moveBufferUp();
+
+	void moveBufferDown();
+
+	bool clip(Common::Rect &r);
+};
+
+class ASurface : public BaseSurface {
+protected:
+	/**
+	 * Override the addDirtyRect from Graphics::Screen, since for standard
+	 * surfaces we don't need dirty rects to be tracked
+	 */
+	void addDirtyRect(const Common::Rect &r) override {}
+public:
+	ASurface() : BaseSurface() {}
+};
+
+class SpriteFrame : public ASurface {
+public:
+	SpriteFrame(const AccessEngine *vm, Common::SeekableReadStream *stream, int frameSize);
+	~SpriteFrame() override;
+};
+
+class SpriteResource {
+public:
+	Common::Array<SpriteFrame *> _frames;
+public:
+	SpriteResource(const AccessEngine *vm, Resource *res);
+	~SpriteResource();
+
+	int getCount() { return _frames.size(); }
+
+	const SpriteFrame *getFrame(int idx) const { return _frames[idx]; }
+};
+
+enum ImageFlag {
+	IMGFLAG_NONE = 0,
+	IMGFLAG_CROPPED = 1,
+	IMGFLAG_BACKWARDS = 2,
+	IMGFLAG_DRAWN = 4,
+	IMGFLAG_UNSCALED = 8
+};
+
+class ImageEntry {
+public:
+	int _frameNumber;
+	SpriteResource *_spritesPtr;
+	int _offsetY;
+	Common::Point _position;
+	int _flags;
+public:
+	ImageEntry();
+};
+
+class ImageEntryList : public Common::Array<ImageEntry> {
+public:
+	void addToList(ImageEntry &ie);
+};
+
+} // End of namespace Access
+
+#endif /* ACCESS_ASURFACE_H */