Initial commit

engines/tetraedge/te/te_i_font.cpp

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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/>.
+ *
+ */
+
+#include "tetraedge/tetraedge.h"
+#include "tetraedge/te/te_font3.h"
+#include "tetraedge/te/te_core.h"
+#include "graphics/font.h"
+#include "graphics/fonts/ttf.h"
+#include "common/unicode-bidi.h"
+
+namespace Tetraedge {
+
+TeIFont::TeIFont() {
+	_codePage = codePage();
+}
+
+TeIFont::~TeIFont() {
+}
+
+TeIFont::GlyphData TeIFont::glyph(uint pxSize, uint charcode) {
+	Graphics::Font *font = getAtSize(pxSize);
+	Common::Rect bbox = font->getBoundingBox(charcode);
+	TeImage *img = new TeImage();
+	Common::SharedPtr<TePalette> nullpal;
+	img->createImg(bbox.width(), bbox.height(), nullpal, Graphics::PixelFormat::createFormatRGBA32());
+	font->drawChar(img, charcode, 0, 0, 0xffffffff);
+	GlyphData retval;
+	retval._charcode = charcode;
+	retval._bitmapSize = bbox;
+	retval._img = img;
+	return retval;
+}
+
+Common::CodePage TeIFont::codePage() const {
+	Common::String lang = g_engine->getCore()->language();
+	if (g_engine->isUtf8Release())
+		return Common::CodePage::kUtf8;
+	if (lang == "ru")
+		return Common::kISO8859_5;
+	if (g_engine->getGamePlatform() == Common::Platform::kPlatformAndroid)
+		return Common::CodePage::kUtf8;
+	if (lang == "he")
+		return Common::kWindows1255;
+	return Common::kLatin1;
+}
+
+int TeIFont::wordWrapText(const Common::String &str, int fontSize, int maxWidth, Common::Array<Common::String> &lines) {
+	Graphics::Font *font = getAtSize(fontSize);
+	Common::Array<Common::U32String> u32lines;
+	int retval = font->wordWrapText(str.decode(_codePage), maxWidth, u32lines);
+	for (auto &line: u32lines) {
+		lines.push_back(line.encode(_codePage));
+	}
+	return retval;
+}
+
+Common::Rect TeIFont::getBBox(const Common::String &str, int fontSize) {
+	Graphics::Font *font = getAtSize(fontSize);
+	return font->getBoundingBox(str.decode(_codePage));
+}
+
+int TeIFont::getHeight(int fontSize) {
+	Graphics::Font *font = getAtSize(fontSize);
+	return font->getFontHeight();
+}
+
+void TeIFont::draw(TeImage &destImage, const Common::String &str, int fontSize, int yoff, const TeColor &col, TeIFont::AlignStyle align) {
+	Graphics::Font *font = getAtSize(fontSize);
+	Graphics::TextAlign talign;
+	switch (align) {
+		case AlignLeft:
+			talign = Graphics::kTextAlignLeft;
+			break;
+		case AlignRight:
+			talign = Graphics::kTextAlignRight;
+			break;
+		// Note: we don't support justify.. just center. (justify is not used anyway)
+		case AlignJustify:
+		case AlignCenter:
+		default:
+			talign = Graphics::kTextAlignCenter;
+			break;
+	}
+	const Graphics::PixelFormat &fmt = destImage.format;
+
+	uint32 uintcol = ((uint32)col.a() << fmt.aShift) | ((uint32)(col.r()) << fmt.rShift)
+						| ((uint32)(col.g()) << fmt.gShift) | ((uint32)(col.b()) << fmt.bShift);
+	Common::U32String line = str.decode(_codePage);
+	if (g_engine->getCore()->language() == "he")
+		line = Common::convertBiDiU32String(line).visual;
+	font->drawString(&destImage, line, 0, yoff, destImage.w, uintcol, talign);
+}
+
+float TeIFont::ascender(uint pxSize) {
+	Graphics::Font *font = getAtSize(pxSize);
+	return font->getFontAscent();
+}
+
+float TeIFont::descender(uint pxSize) {
+	error("TODO: Implement TeFont3::descender");
+}
+
+float TeIFont::height(uint pxSize) {
+	Graphics::Font *font = getAtSize(pxSize);
+	return font->getFontHeight();
+}
+
+TeVector3f32 TeIFont::kerning(uint pxSize, uint charcode1, uint charcode2) {
+	Graphics::Font *font = getAtSize(pxSize);
+	int offset = font->getKerningOffset(charcode1, charcode2);
+	// note: not perfect because we have no Y, but it's ok..
+	return TeVector3f32(offset, 0.0f, 0.0f);
+}
+
+} // end namespace Tetraedge