Initial commit

engines/got/gfx/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 "got/gfx/font.h"
+#include "common/file.h"
+#include "got/gfx/gfx_pics.h"
+
+namespace Got {
+namespace Gfx {
+
+const byte DIALOG_COLOR[] = {14, 54, 120, 138, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+
+void Font::load() {
+	Common::File f;
+	if (!f.open("TEXT"))
+		error("Could not open font");
+
+	_font.resize(f.size() / 72 + 32);
+
+	for (uint i = 32; i < _font.size(); ++i) {
+		byte buff[8 * 9];
+		f.read(buff, 8 * 9);
+
+		_font[i].create(8, 9);
+		convertPaneDataToSurface(buff, _font[i]);
+	}
+}
+
+void Font::drawString(Graphics::ManagedSurface *src, const Common::Point &pos, const Common::String &text, int color) {
+	const char *string = text.c_str();
+	Common::Point pt = pos;
+
+	while (*string) {
+		char ch = *string++;
+		if (ch == '~' && Common::isXDigit(*string)) {
+			ch = *string++;
+			if (Common::isDigit(ch)) {
+				ch -= 48;
+			} else {
+				ch = toupper(ch) - 55;
+			}
+			color = DIALOG_COLOR[(byte)ch];
+			continue;
+		}
+		if (ch > 31 && ch < 127)
+			drawChar(src, ch, pt.x, pt.y, color);
+
+		pt.x += 8;
+	}
+}
+
+void Font::drawChar(Graphics::Surface *dst, const uint32 chr, const int x, const int y, const uint32 color) const {
+	// Character drawing is done twice in the original:
+	// first at y + 1 with color 0, then at y with the given color
+	rawDrawChar(dst, chr, x, y + 1, 0);
+	rawDrawChar(dst, chr, x, y, color);
+}
+
+void Font::rawDrawChar(Graphics::Surface *dst, const uint32 chr, const int x, const int y, const uint32 color) const {
+	const Graphics::ManagedSurface &glyph = _font[chr];
+
+	for (int yp = 0; yp < glyph.h; ++yp) {
+		const int startY = y + yp;
+		const byte *srcP = (const byte *)glyph.getBasePtr(0, yp);
+		byte *destP = (byte *)dst->getBasePtr(x, startY);
+
+		for (int xp = 0; xp < glyph.w; ++xp, ++srcP, ++destP) {
+			if (*srcP)
+				*destP = color;
+		}
+	}
+}
+
+} // namespace Gfx
+} // namespace Got