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engines/glk/screen.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 GLK_DRAW_H
+#define GLK_DRAW_H
+
+#include "common/archive.h"
+#include "common/array.h"
+#include "graphics/screen.h"
+#include "graphics/font.h"
+#include "glk/fonts.h"
+#include "glk/utils.h"
+
+namespace Glk {
+
+#define FONTS_TOTAL 8
+
+enum CaretShape {
+	SMALL_DOT = 0, FAT_DOT = 1, THIN_LINE = 2, FAT_LINE = 3, BLOCK = 4
+};
+
+/**
+ * Screen surface class
+ */
+class Screen : public Graphics::Screen {
+private:
+	/**
+	 * Open the fonts archive and load all the fonts
+	 */
+	void loadFonts();
+
+	/**
+	 * Load a single font
+	 */
+	const Graphics::Font *loadFont(FACES face, Common::Archive *archive,
+		double size, double aspect, int style);
+protected:
+	Common::Array<const Graphics::Font *> _fonts;
+protected:
+	/**
+	 * Load the fonts
+	 */
+	virtual void loadFonts(Common::Archive *archive);
+public:
+	/**
+	 * Return the font Id for a given name
+	 */
+	static FACES getFontId(const Common::String &name);
+
+	/**
+	 * Return the name for a given font Id
+	 */
+	static Common::String getFontName(FACES font);
+public:
+	/**
+	 * Constructor
+	 */
+	Screen() : Graphics::Screen() {}
+
+	/**
+	 * Destructor
+	 */
+	~Screen() override;
+
+	/**
+	 * Initialize the screen
+	 */
+	void initialize();
+
+	/**
+	 * Fills the screen with a given color
+	 */
+	void fill(uint color);
+
+	/**
+	 * Fill a given area of the screen with a given color
+	 */
+	void fillRect(const Rect &box, uint color);
+
+	/**
+	 * Draws a string using the specified font at the given co-ordinates
+	 * @param pos       Position for the bottom-left corner the text will be drawn with
+	 * @param fontIdx   Which font to use
+	 * @param color     Text color
+	 * @param text      The text to draw
+	 * @param spw       ??
+	 */
+	int drawString(const Point &pos, int fontIdx, uint color, const Common::String &text, int spw = 0);
+
+	/**
+	 * Draws a unicode string using the specified font at the given co-ordinates
+	 * @param pos       Position for the bottom-left corner the text will be drawn with
+	 * @param fontIdx   Which font to use
+	 * @param color     Text color
+	 * @param text      The text to draw
+	 * @param spw       ??
+	 */
+	int drawStringUni(const Point &pos, int fontIdx, uint color, const Common::U32String &text, int spw = 0);
+
+	/**
+	 * Get the width in pixels of a string
+	 * @param fontIdx   Which font to use
+	 * @param text      Text to get the width of
+	 * @param spw       Delta X
+	 * @returns         Width of string multiplied by GLI_SUBPIX
+	 */
+	size_t stringWidth(int fontIdx, const Common::String &text, int spw = 0);
+
+	/**
+	 * Get the width in pixels of a unicode string
+	 * @param fontIdx   Which font to use
+	 * @param text      Text to get the width of
+	 * @param spw       Delta X
+	 * @returns         Width of string multiplied by GLI_SUBPIX
+	 */
+	size_t stringWidthUni(int fontIdx, const Common::U32String &text, int spw = 0);
+};
+
+} // End of namespace Glk
+
+#endif