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engines/hadesch/pod_image.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/>.
+ *
+ * Copyright 2020 Google
+ *
+ */
+#ifndef HADESCH_POD_IMAGE_H
+#define HADESCH_POD_IMAGE_H
+
+#include "hadesch/pod_file.h"
+#include "common/ptr.h"
+#include "common/rect.h"
+#include "common/hashmap.h"
+#include "hadesch/gfx_context.h"
+#include "graphics/cursor.h"
+
+namespace Hadesch {
+
+class PodImage : public Graphics::Cursor {
+public:
+	PodImage();
+	bool loadImage(const PodFile &col, int index);
+	void render(Common::SharedPtr<GfxContext>, Common::Point offset,
+		    int colourScale = 0x100, int scale = 100) const;
+	bool isValid() const;
+	void setHotspot(Common::Point pnt);
+	Common::Point getOffset() const;
+
+	uint16 getWidth() const override;
+	uint16 getHeight() const override;
+	uint16 getHotspotX() const override;
+	uint16 getHotspotY() const override;
+	byte getKeyColor() const override;
+	const byte *getSurface() const override;
+	const byte *getPalette() const override;
+	byte getPaletteStartIndex() const override;
+	uint16 getPaletteCount() const override;
+
+	~PodImage();
+private:
+	struct ScaledVersion {
+		Common::SharedPtr<byte> _pixels;
+		int _w, _h;
+	};
+	void makeScale(int scale) const;
+
+	mutable Common::HashMap<int, ScaledVersion> _scales;
+	int _w, _h;
+	Common::Point _pos, _hotspot;
+	int _ncolors;
+	Common::SharedPtr<byte> _pixels;
+	Common::SharedPtr<byte> _palette;
+	Common::SharedPtr<byte> _paletteCursor;
+};
+}
+
+#endif