Initial commit

engines/cryomni3d/fonts/cryoextfont.cpp

@@ -0,0 +1,268 @@
+/* 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/>.
+ *
+ */
+
+#include "common/debug.h"
+#include "common/file.h"
+#include "graphics/managed_surface.h"
+
+#include "cryomni3d/fonts/cryoextfont.h"
+
+namespace CryOmni3D {
+
+CryoExtFont::~CryoExtFont() {
+	delete _crf;
+}
+
+void CryoExtFont::load(const Common::Path &fontFile, Common::CodePage codepage) {
+	// For now only CP950 is supported
+	assert(codepage == Common::kWindows950);
+
+	_codepage = codepage;
+
+	Common::File *crf = new Common::File();
+
+	if (!crf->open(fontFile)) {
+		error("can't open file %s", fontFile.toString(Common::Path::kNativeSeparator).c_str());
+	}
+
+	_crf = crf;
+
+	byte magic[8];
+
+	_crf->read(magic, sizeof(magic));
+	if (memcmp(magic, "CRYOFONT", 8)) {
+		error("Invalid font magic");
+	}
+
+	// 3 unknown uint16
+	(void) _crf->readUint16BE();
+	(void) _crf->readUint16BE();
+	(void) _crf->readUint16BE();
+
+	_height = _crf->readSint16BE();
+	//debug("Max char height %d", _maxHeight);
+
+	_crf->read(_comment, sizeof(_comment));
+	//debug("Comment %s", _comment);
+
+	Common::String offsetsFile = fontFile.baseName();
+	offsetsFile.setChar('I', offsetsFile.size() - 1);
+	loadOffsets(fontFile.getParent().appendComponent(offsetsFile));
+}
+
+void CryoExtFont::loadOffsets(const Common::Path &offsetsFile) {
+	Common::File cri;
+
+	if (!cri.open(offsetsFile)) {
+		error("can't open file %s", offsetsFile.toString(Common::Path::kNativeSeparator).c_str());
+	}
+
+	uint32 counts = cri.size() / sizeof(uint32);
+	_offsets.reserve(counts);
+	debug("Loading %u offsets", counts);
+
+	for (; counts > 0; counts--) {
+		uint32 offset = cri.readUint32BE();
+		_offsets.push_back(offset);
+	}
+}
+
+void CryoExtFont::assureCached(uint32 chr) const {
+	if (_cache.contains(chr)) {
+		return;
+	}
+
+	uint32 glyphId = mapGlyph(chr);
+
+	if (glyphId >= _offsets.size()) {
+		warning("Invalid glyph id: %u", glyphId);
+		glyphId = 0;
+	}
+
+	uint32 offset = _offsets[glyphId];
+	_crf->seek(offset);
+
+	Glyph &glyph = _cache[chr];
+	uint16 h = _crf->readUint16BE();
+	uint16 w = _crf->readUint16BE();
+	uint sz = glyph.setup(w, h);
+	//debug("Char %u/%u sz %ux%u %u", chr, glyphId, w, h, sz);
+	glyph.offX    = _crf->readSint16BE();
+	glyph.offY    = _crf->readSint16BE();
+	glyph.advance = _crf->readUint16BE();
+	//debug("Char %u/%u offX %d offY %d PW %d", chr, glyphId, glyph.offX, glyph.offY, glyph.advance);
+
+	_crf->read(glyph.bitmap, sz);
+	//debug("Char %u/%u read %d", chr, glyphId, v);
+
+	if ((_cache.size() % 10) == 0) {
+		debug("Glyph cache size is now %u", _cache.size());
+	}
+}
+
+Common::Rect CryoExtFont::getBoundingBox(uint32 chr) const {
+	assureCached(chr);
+
+	const Glyph &glyph = _cache[chr];
+	return Common::Rect(glyph.offX, glyph.offY,
+	                    glyph.offX + glyph.w, glyph.offY + glyph.h);
+}
+
+int CryoExtFont::getCharWidth(uint32 chr) const {
+	assureCached(chr);
+
+	const Glyph &glyph = _cache[chr];
+	return glyph.advance;
+}
+
+void CryoExtFont::drawChar(Graphics::Surface *dst, uint32 chr, int x, int y, uint32 color) const {
+	assert(dst);
+	assert(dst->format.bytesPerPixel == 1 || dst->format.bytesPerPixel == 2 ||
+	       dst->format.bytesPerPixel == 4);
+
+	assureCached(chr);
+
+	const Glyph &glyph = _cache[chr];
+
+	x += glyph.offX;
+	// In european versions of Versailles there was a -2 offset which is not present in Chinese one
+	// Maybe this offset should be checked when adding new games
+	y += glyph.offY + _height;
+
+	if (x > dst->w) {
+		return;
+	}
+	if (y > dst->h) {
+		return;
+	}
+
+	int w = glyph.w;
+	int h = glyph.h;
+
+	const uint8 *srcPos = (const uint8 *)glyph.bitmap;
+
+	const uint16 stride = (glyph.w + 7) / 8;
+	const uint16 originalWidth = glyph.w;
+
+	// Make sure we are not drawing outside the screen bounds
+	if (y < 0) {
+		// y is negative so srcPos will increase and h will decrease
+		srcPos -= y * stride;
+		h += y;
+		y = 0;
+	}
+
+	if (y + h > dst->h) {
+		h = dst->h - y;
+	}
+
+	if (h <= 0) {
+		return;
+	}
+
+	int jStart = 0;
+	if (x < 0) {
+		// x is negative so jStart will be positive and w will decrease
+		jStart = -x;
+		w += x;
+		x = 0;
+	}
+
+	if (x + w > dst->w) {
+		w = dst->w - x;
+	}
+
+	if (w <= 0) {
+		return;
+	}
+
+	const int jEnd = jStart + w - 1;
+
+	for (uint16 i = 0; i < h; i++) {
+		byte b = 0;
+		for (uint16 j = 0; j < originalWidth; j++) {
+			if ((j % 8) == 0) {
+				b = *(srcPos++);
+			}
+
+			if (j >= jStart && j <= jEnd && b & 0x80) {
+				if (dst->format.bytesPerPixel == 1) {
+					*((byte *)dst->getBasePtr(x + j, y + i)) = color;
+				} else if (dst->format.bytesPerPixel == 2) {
+					*((uint16 *)dst->getBasePtr(x + j, y + i)) = color;
+				} else if (dst->format.bytesPerPixel == 4) {
+					*((uint32 *)dst->getBasePtr(x + j, y + i)) = color;
+				}
+			}
+
+			b <<= 1;
+		}
+	}
+}
+
+uint32 CryoExtFont::mapGlyph(uint32 chr) const {
+	switch (_codepage) {
+	case Common::kWindows950:
+		/* Nothing more than 0xffff */
+		if (chr >> 16) {
+			return 0;
+		}
+		/* No glyph for non printable */
+		if (chr < 0x20) {
+			return 0;
+		}
+		/* ASCII characters : like in 8bits case, 0x60 ones */
+		if (chr < 0x80) {
+			return chr - 0x20;
+		}
+		/* Invalid ranges */
+		if (chr < 0x8000) {
+			return 0;
+		}
+		if ((chr & 0xff) < 0x40) {
+			return 0;
+		}
+		/* After the 0x60 ASCII characters
+		 * a table of 0xC0 large (starting at 0x40) and
+		 * 0x80 long (starting at 0x80) */
+		chr = 0xC0 * ((chr >> 8) - 0x80) + ((chr & 0xff) - 0x40) + 0x60;
+		return chr;
+	default:
+		error("Invalid encoding");
+	}
+}
+
+CryoExtFont::Glyph::Glyph() : h(0), w(0), offX(0), offY(0), advance(0), bitmap(nullptr) {
+}
+
+CryoExtFont::Glyph::~Glyph() {
+	delete[] bitmap;
+}
+
+uint CryoExtFont::Glyph::setup(uint16 width, uint16 height) {
+	w = width;
+	h = height;
+	uint sz = h * ((w + 7) / 8);
+	bitmap = new byte[sz];
+	return sz;
+}
+
+} // End of namespace CryOmni3D

engines/cryomni3d/fonts/cryoextfont.h

@@ -0,0 +1,87 @@
+/* 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 CRYOMNI3D_FONTS_CRYOEXTFONT_H
+#define CRYOMNI3D_FONTS_CRYOEXTFONT_H
+
+#include "common/array.h"
+#include "common/hashmap.h"
+#include "common/str.h"
+#include "graphics/font.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace CryOmni3D {
+
+class CryoExtFont : public Graphics::Font {
+public:
+	CryoExtFont() : _height(0), _maxAdvance(0), _crf(nullptr), _codepage(Common::kCodePageInvalid) { }
+	virtual ~CryoExtFont();
+
+	void load(const Common::Path &fontFile, Common::CodePage encoding);
+
+	virtual int getFontHeight() const { return _height; }
+	virtual int getMaxCharWidth() const { return _maxAdvance; }
+
+	virtual int getCharWidth(uint32 chr) const;
+
+	virtual Common::Rect getBoundingBox(uint32 chr) const;
+
+	virtual void drawChar(Graphics::Surface *dst, uint32 chr, int x, int y, uint32 color) const;
+
+private:
+	void loadOffsets(const Common::Path &offsetsFile);
+	void assureCached(uint32 chr) const;
+	uint32 mapGlyph(uint32 chr) const;
+
+	struct Glyph {
+		uint16 h;
+		uint16 w;
+		int16 offX;
+		int16 offY;
+		uint16 advance;
+
+		byte *bitmap;
+
+		Glyph();
+		~Glyph();
+
+		uint setup(uint16 width, uint16 height);
+	};
+
+	uint16 _height;
+	uint16 _maxAdvance;
+	byte _comment[32];
+
+	Common::CodePage _codepage;
+
+	mutable Common::SeekableReadStream *_crf;
+	Common::Array<uint32> _offsets;
+
+	typedef Common::HashMap<uint32, Glyph> GlyphCache;
+	mutable GlyphCache _cache;
+};
+
+} // End of namespace CryOmni3D
+
+#endif

engines/cryomni3d/fonts/cryofont.cpp

@@ -0,0 +1,185 @@
+/* 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/>.
+ *
+ */
+
+#include "common/debug.h"
+#include "common/file.h"
+#include "graphics/managed_surface.h"
+
+#include "cryomni3d/fonts/cryofont.h"
+
+namespace CryOmni3D {
+
+void CryoFont::load(const Common::Path &fontFile) {
+	Common::File crf;
+
+	if (!crf.open(fontFile)) {
+		error("can't open file %s", fontFile.toString(Common::Path::kNativeSeparator).c_str());
+	}
+
+	byte magic[8];
+
+	crf.read(magic, sizeof(magic));
+	if (memcmp(magic, "CRYOFONT", 8)) {
+		error("Invalid font magic");
+	}
+
+	// 3 unknown uint16
+	(void) crf.readUint16BE();
+	(void) crf.readUint16BE();
+	(void) crf.readUint16BE();
+
+	_height = crf.readSint16BE();
+	//debug("Max char height %d", _maxHeight);
+
+	crf.read(_comment, sizeof(_comment));
+	//debug("Comment %s", _comment);
+
+	loadAll8bitGlyphs(crf);
+}
+
+void CryoFont::loadAll8bitGlyphs(Common::SeekableReadStream &font_fl) {
+	for (uint i = 0; i < k8bitCharactersCount; i++) {
+		// Cache maps a character to a glyph
+		Glyph &glyph = _glyphs[i];
+		uint16 h = font_fl.readUint16BE();
+		uint16 w = font_fl.readUint16BE();
+		uint sz = glyph.setup(w, h);
+		//debug("Char %d sz %dx%d %d", i, w, h, sz);
+		glyph.offX    = font_fl.readSint16BE();
+		glyph.offY    = font_fl.readSint16BE();
+		glyph.advance = font_fl.readUint16BE();
+		//debug("Char %d offX %d offY %d PW %d", i, glyph.offX, glyph.offY, glyph.advance);
+
+		font_fl.read(glyph.bitmap, sz);
+		//debug("Char %d read %d", i, v);
+
+		if (glyph.advance > _maxAdvance) {
+			_maxAdvance = glyph.advance;
+		}
+	}
+}
+
+Common::Rect CryoFont::getBoundingBox(uint32 chr) const {
+	const Glyph &glyph = _glyphs[mapGlyph(chr)];
+	return Common::Rect(glyph.offX, glyph.offY,
+	                    glyph.offX + glyph.w, glyph.offY + glyph.h);
+}
+
+int CryoFont::getCharWidth(uint32 chr) const {
+	const Glyph &glyph = _glyphs[mapGlyph(chr)];
+	return glyph.advance;
+}
+
+void CryoFont::drawChar(Graphics::Surface *dst, uint32 chr, int x, int y, uint32 color) const {
+	assert(dst);
+	assert(dst->format.bytesPerPixel == 1 || dst->format.bytesPerPixel == 2 ||
+	       dst->format.bytesPerPixel == 4);
+
+	const Glyph &glyph = _glyphs[mapGlyph(chr)];
+
+	x += glyph.offX;
+	y += glyph.offY + _height - 2;
+
+	if (x > dst->w) {
+		return;
+	}
+	if (y > dst->h) {
+		return;
+	}
+
+	int w = glyph.w;
+	int h = glyph.h;
+
+	const uint8 *srcPos = (const uint8 *)glyph.bitmap;
+
+	// Make sure we are not drawing outside the screen bounds
+	if (x < 0) {
+		// x is negative so srcPos will increase and w will decrease
+		srcPos -= x;
+		w += x;
+		x = 0;
+	}
+
+	if (x + w > dst->w) {
+		w = dst->w - x;
+	}
+
+	if (w <= 0) {
+		return;
+	}
+
+	if (y < 0) {
+		// y is negative so srcPos will increase and h will decrease
+		srcPos -= y * glyph.w;
+		h += y;
+		y = 0;
+	}
+
+	if (y + h > dst->h) {
+		h = dst->h - y;
+	}
+
+	if (h <= 0) {
+		return;
+	}
+
+	for (uint16 i = 0; i < h; i++) {
+		for (uint16 j = 0; j < w; j++) {
+			if (srcPos[j]) {
+				if (dst->format.bytesPerPixel == 1) {
+					*((byte *)dst->getBasePtr(x + j, y + i)) = color;
+				} else if (dst->format.bytesPerPixel == 2) {
+					*((uint16 *)dst->getBasePtr(x + j, y + i)) = color;
+				} else if (dst->format.bytesPerPixel == 4) {
+					*((uint32 *)dst->getBasePtr(x + j, y + i)) = color;
+				}
+			}
+		}
+		// Next line
+		srcPos += glyph.w;
+	}
+}
+
+uint32 CryoFont::mapGlyph(uint32 chr) const {
+	/* Placeholder for non printable and out of limit characters */
+	if (chr < 0x20 || chr >= 0xff) {
+		chr = '?';
+	}
+	chr -= 0x20;
+	return chr;
+}
+
+CryoFont::Glyph::Glyph() : h(0), w(0), offX(0), offY(0), advance(0), bitmap(nullptr) {
+}
+
+CryoFont::Glyph::~Glyph() {
+	delete[] bitmap;
+}
+
+uint CryoFont::Glyph::setup(uint16 width, uint16 height) {
+	w = width;
+	h = height;
+	uint sz = w * h;
+	bitmap = new byte[sz];
+	return sz;
+}
+
+} // End of namespace CryOmni3D

engines/cryomni3d/fonts/cryofont.h

@@ -0,0 +1,81 @@
+/* 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 CRYOMNI3D_FONTS_CRYOFONT_H
+#define CRYOMNI3D_FONTS_CRYOFONT_H
+
+#include "common/array.h"
+#include "common/hashmap.h"
+#include "common/str.h"
+#include "graphics/font.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace CryOmni3D {
+
+class CryoFont : public Graphics::Font {
+public:
+	CryoFont() : _height(0), _maxAdvance(0) { }
+
+	void load(const Common::Path &fontFile);
+
+	virtual int getFontHeight() const { return _height; }
+	virtual int getMaxCharWidth() const { return _maxAdvance; }
+
+	virtual int getCharWidth(uint32 chr) const;
+
+	virtual Common::Rect getBoundingBox(uint32 chr) const;
+
+	virtual void drawChar(Graphics::Surface *dst, uint32 chr, int x, int y, uint32 color) const;
+
+private:
+	void loadAll8bitGlyphs(Common::SeekableReadStream &font_fl);
+	uint32 mapGlyph(uint32 chr) const;
+
+	struct Glyph {
+		uint16 h;
+		uint16 w;
+		int16 offX;
+		int16 offY;
+		uint16 advance;
+
+		byte *bitmap;
+
+		Glyph();
+		~Glyph();
+
+		uint setup(uint16 width, uint16 height);
+	};
+
+	static const uint k8bitCharactersCount = 223;
+
+	uint16 _height;
+	uint16 _maxAdvance;
+	byte _comment[32];
+
+	Glyph _glyphs[k8bitCharactersCount];
+};
+
+} // End of namespace CryOmni3D
+
+#endif