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engines/tetraedge/te/te_font2.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 TETRAEDGE_TE_TE_FONT2_H
+#define TETRAEDGE_TE_TE_FONT2_H
+
+#include "common/str.h"
+#include "common/file.h"
+#include "common/hashmap.h"
+#include "graphics/font.h"
+
+#include "tetraedge/te/te_resource.h"
+#include "tetraedge/te/te_vector2s32.h"
+#include "tetraedge/te/te_vector3f32.h"
+#include "tetraedge/te/te_3d_texture.h"
+#include "tetraedge/te/te_intrusive_ptr.h"
+#include "tetraedge/te/te_i_font.h"
+
+namespace Tetraedge {
+	struct KernChars {
+		uint32 _c1;
+		uint32 _c2;
+	};
+	bool operator==(const KernChars &l, const KernChars &r);
+}
+
+namespace Common {
+	template<> struct Hash<Tetraedge::KernChars> : public UnaryFunction<Tetraedge::KernChars, uint> {
+		uint operator()(Tetraedge::KernChars val) const { return val._c1 * 7333 + val._c2; }
+	};
+}
+
+namespace Tetraedge {
+
+/**
+ * A pre-rendered font format with positioning data used in Amerzone
+ * ('tef' format)
+ */
+class TeFont2 : public TeIFont, public Graphics::Font {
+public:
+
+	struct GlyphData2 {
+		float _xSz;
+		float _ySz;
+		float _xOff; // from nominal location
+		float _yOff; // top location, from baseline
+		float _xAdvance;
+		float _floats[3];
+		TeVector3f32 _vec; // location in texture - offset from bottom left
+	};
+
+	TeFont2();
+	virtual ~TeFont2();
+
+	bool load(const Common::Path &path);
+	bool load(const TetraedgeFSNode &node);
+	void unload();
+
+	Graphics::Font *getAtSize(uint size) override;
+
+	virtual int getFontHeight() const override;
+	virtual int getMaxCharWidth() const override;
+	virtual int getCharWidth(uint32 chr) const override;
+	virtual void drawChar(Graphics::Surface *dst, uint32 chr, int x, int y, uint32 color) const override;
+	virtual int getKerningOffset(uint32 left, uint32 right) const override;
+	virtual Common::Rect getBBox(const Common::String &str, int fontSize) override;
+	virtual Common::Rect getBoundingBox(uint32 chr) const override;
+	virtual TeVector3f32 kerning(uint pxSize, uint isocode1, uint isocode2) override;
+
+	virtual float height(uint pxSize) override;
+
+private:
+	Common::Path _loadedPath;
+
+	uint32 _numChars;
+	TeVector2s32 _somePt;
+	TeVector3f32 _someVec;
+	bool _hasKernData;
+	float _maxHeight;
+	// Records a map of character pairs to kerning offsets
+	Common::HashMap<KernChars, TeVector3f32> _kernData;
+	Common::Array<uint32> _uintArray;
+	Common::Array<GlyphData2> _glyphs;
+	TeImage _texture;
+};
+
+} // end namespace Tetraedge
+
+#endif // TETRAEDGE_TE_TE_FONT2_H