GRAPHICS/BASE: adds Dotmatrix scaler plugin

base/plugins.cpp

@@ -165,6 +165,7 @@ public:
 		LINK_PLUGIN(NORMAL)
 		LINK_PLUGIN(HQ)
 		LINK_PLUGIN(SAI)
+		LINK_PLUGIN(DOTMATRIX)
 
 		return pl;
 	}

graphics/module.mk

@@ -86,6 +86,7 @@ endif
 ifdef USE_SCALERS
 MODULE_OBJS += \
 	scaler/2xsai.o \
+	scaler/dotmatrix.o \
 	scaler/sai.o \
 	scaler/aspect.o \
 	scaler/downscaler.o \

graphics/scaler/dotmatrix.cpp

@@ -0,0 +1,62 @@
+/* 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.
+ */
+
+#include "graphics/scaler/dotmatrix.h"
+#include "graphics/scaler.h"
+
+void DotMatrixPlugin::initialize(Graphics::PixelFormat format) {
+	// TODO: initialize dotmatrix array
+}
+
+void DotMatrixPlugin::scale(const uint8 *srcPtr, uint32 srcPitch,
+							uint8 *dstPtr, uint32 dstPitch, int width, int height, int x, int y) {
+	if (!_doScale) {
+		Normal1x(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
+		return;
+	}
+	switch (_factor) {
+	case 1:
+		Normal1x(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
+		break;
+	case 2:
+		DotMatrix(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
+		break;
+	}
+}
+
+uint DotMatrixPlugin::increaseFactor() {
+	if (_factor < 2)
+		++_factor;
+	return _factor;
+}
+
+uint DotMatrixPlugin::decreaseFactor() {
+	if (_factor > 1)
+		--_factor;
+	return _factor;
+}
+
+const char *DotMatrixPlugin::getName() const {
+	return "DotMatrix";
+}
+
+
+REGISTER_PLUGIN_STATIC(DOTMATRIX, PLUGIN_TYPE_SCALER, DotMatrixPlugin);

graphics/scaler/dotmatrix.h

@@ -0,0 +1,42 @@
+/* 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.
+ */
+
+#ifndef GRAPHICS_SCALER_DOTMATRIX_H
+#define GRAPHICS_SCALER_DOTMATRIX_H
+
+#include "graphics/scalerplugin.h"
+
+class DotMatrixPlugin : public ScalerPluginObject {
+public:
+	DotMatrixPlugin() { _factor = 1;}
+	virtual void initialize(Graphics::PixelFormat format);
+	virtual void scale(const uint8 *srcPtr, uint32 srcPitch,
+							uint8 *dstPtr, uint32 dstPitch, int width, int height, int x, int y);
+	virtual uint increaseFactor();
+	virtual uint decreaseFactor();
+	virtual uint getFactor() const { return _factor; }
+	virtual bool canDrawCursor() const { return true; }
+	virtual uint extraPixels() const { return 0; }
+	virtual const char *getName() const;
+};
+
+
+#endif