Initial commit

engines/glk/zcode/screen.cpp

@@ -0,0 +1,128 @@
+/* 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 "glk/zcode/screen.h"
+#include "glk/zcode/bitmap_font.h"
+#include "glk/zcode/zcode.h"
+#include "glk/conf.h"
+#include "common/file.h"
+#include "graphics/fonts/ttf.h"
+#include "image/xbm.h"
+
+#include "glk/zcode/infocom6x8.xbm"
+#include "glk/zcode/infocom_graphics.xbm"
+
+namespace Glk {
+namespace ZCode {
+
+FrotzScreen::FrotzScreen() : Glk::Screen() {
+	g_conf->_tStyles[style_User1].font = CUSTOM;
+	g_conf->_gStyles[style_User1].font = CUSTOM;
+	g_conf->_tStyles[style_User2].font = CUSTOM2;
+}
+
+void FrotzScreen::loadFonts(Common::Archive *archive) {
+	// Get the zmachine version. At this point the header isn't loaded, so we have to do it manually
+	g_vm->_gameFile.seek(0);
+	byte version = g_vm->_gameFile.readByte();
+
+	if (version == 6) {
+		loadVersion6Fonts(archive);
+	} else {
+		// Load the basic fonts
+		Screen::loadFonts(archive);
+	}
+
+	// Add character graphics and runic fonts
+	loadExtraFonts(archive);
+}
+
+void FrotzScreen::loadVersion6Fonts(Common::Archive *archive) {
+	// Set the basic font properties
+	MonoFontInfo &mi = g_conf->_monoInfo;
+	PropFontInfo &pi = g_conf->_propInfo;
+	mi._size = pi._size = 7;
+	mi._aspect = pi._aspect = 1.0;
+	pi._quotes = 0;
+	pi._dashes = 0;
+	pi._spaces = 0;
+	pi._morePrompt = "[MORE]";
+	pi._lineSeparation = 0;
+
+	g_vm->_defaultForeground = 0;
+	g_vm->_defaultBackground = (int)zcolor_Transparent;
+	g_conf->_tMarginX = 3;
+	g_conf->_tMarginY = 3;
+
+	for (uint idx = 0; idx < style_NUMSTYLES; ++idx) {
+		g_conf->_tStyles[idx].bg = g_conf->_tStylesDefault[idx].bg = zcolor_Transparent;
+		g_conf->_gStyles[idx].bg = g_conf->_gStylesDefault[idx].bg = zcolor_Transparent;
+	}
+
+	_fonts.resize(8);
+
+	// Load up the 8x8 Infocom font
+	Image::XBMDecoder decoder;
+	decoder.loadBits(infocom6x8_bits, infocom6x8_width, infocom6x8_height);
+
+	Common::Point fontSize(6, 8);
+
+	// Add normal fonts
+	_fonts[MONOR] = new FixedWidthBitmapFont(*decoder.getSurface(), fontSize, 6, 8);
+	_fonts[MONOB] = new FixedWidthBitmapFont(*decoder.getSurface(), fontSize, 6, 8);
+	_fonts[PROPR] = new VariableWidthBitmapFont(*decoder.getSurface(), fontSize, 6, 8);
+	_fonts[PROPB] = new VariableWidthBitmapFont(*decoder.getSurface(), fontSize, 6, 8);
+
+	// Create a new version of the font with every character unlined for the emphasized fonts
+	const Graphics::Surface &norm = *decoder.getSurface();
+	Graphics::ManagedSurface emph(norm.w, norm.h);
+	emph.blitFrom(norm);
+
+	for (int y = 8 - 2; y < emph.h; y += 8) {
+		byte *lineP = (byte *)emph.getBasePtr(0, y);
+		Common::fill(lineP, lineP + emph.w, 1);
+	}
+
+	// Add them to the font list
+	_fonts[MONOI] = new FixedWidthBitmapFont(emph, fontSize, 6, 8);
+	_fonts[MONOZ] = new FixedWidthBitmapFont(emph, fontSize, 6, 8);
+	_fonts[PROPI] = new VariableWidthBitmapFont(emph, fontSize, 6, 8);
+	_fonts[PROPZ] = new VariableWidthBitmapFont(emph, fontSize, 6, 8);
+}
+
+void FrotzScreen::loadExtraFonts(Common::Archive *archive) {
+	Image::XBMDecoder decoder;
+	decoder.loadBits(infocom_graphics_bits, infocom_graphics_width, infocom_graphics_height);
+
+	Common::Point fontSize(_fonts[0]->getMaxCharWidth(), _fonts[0]->getFontHeight());
+	_fonts.push_back(new FixedWidthBitmapFont(*decoder.getSurface(), fontSize));
+
+	// Add Runic font. It provides cleaner versions of the runic characters in the
+	// character graphics font
+	Common::File *f = new Common::File();
+	if (!f->open("NotoSansRunic-Regular.ttf", *archive))
+		error("Could not load font");
+
+	_fonts.push_back(Graphics::loadTTFFont(f, DisposeAfterUse::YES, g_conf->_propInfo._size, Graphics::kTTFSizeModeCharacter));
+}
+
+} // End of namespace ZCode
+} // End of namespace Glk