SCI32: Added an initial skeleton structure for the SCI2 text drawing code

This includes kCreateTextBitmap, and moves all of the text drawing code
into the new GfxText32 class

1 files changed, 71 insertions, 0 deletions

diff --git a/engines/sci/graphics/text32.h b/engines/sci/graphics/text32.h
new file mode 100644
index 0000000000..39fe710a86
--- /dev/null
+++ b/engines/sci/graphics/text32.h
@@ -0,0 +1,71 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/engines/sci/graphics/text16.h $
+ * $Id: text16.h 55178 2011-01-08 23:16:44Z thebluegr $
+ *
+ */
+
+#ifndef SCI_GRAPHICS_TEXT32_H
+#define SCI_GRAPHICS_TEXT32_H
+
+#include "common/hashmap.h"
+
+namespace Sci {
+
+struct TextEntry {
+	reg_t object;
+	uint16 x;
+	uint16 y;
+	uint16 width;
+	uint16 height;
+	byte *surface;
+	Common::String text;
+};
+
+// TODO: Move to Cache, perhaps?
+#define MAX_CACHED_TEXTS 20
+typedef Common::HashMap<uint32, TextEntry *> TextCache;
+
+/**
+ * Text32 class, handles text calculation and displaying of text for SCI2, SCI21 and SCI3 games
+ */
+class GfxText32 {
+public:
+	GfxText32(SegManager *segMan, GfxCache *fonts, GfxScreen *screen);
+	~GfxText32();
+	void createTextBitmap(reg_t textObject);
+	void drawTextBitmap(reg_t textObject, uint16 textX, uint16 textY, uint16 w);
+	int16 GetLongest(const char *text, int16 maxWidth, GfxFont *font);
+	TextEntry *getTextEntry(reg_t textObject);
+
+private:
+	TextEntry *createTextEntry(reg_t textObject);
+	void purgeCache();
+
+	SegManager *_segMan;
+	GfxCache *_cache;
+	TextCache _textCache;
+	GfxScreen *_screen;
+};
+
+} // End of namespace Sci
+
+#endif