1 files changed, 93 insertions, 0 deletions
diff --git a/morphos/morphos_scaler.h b/morphos/morphos_scaler.h
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+++ b/morphos/morphos_scaler.h
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+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ */
+
+#ifndef MORPHOS_MORPHOSSCALER_H
+#define MORPHOS_MORPHOSSCALER_H
+
+#include <graphics/gfx.h>
+
+typedef enum { ST_INVALID = 0, ST_NONE, ST_POINT, ST_ADVMAME2X, ST_SUPEREAGLE, ST_SUPER2XSAI } SCALERTYPE;
+
+class MorphOSScaler
+{
+	public:
+		MorphOSScaler(APTR buffer, int width, int height, ULONG *col_table, UWORD *col_table16, BitMap *bmap);
+		virtual ~MorphOSScaler();
+
+		bool Prepare(BitMap *render_bmap);
+		void Finish();
+
+		virtual void Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height) = 0;
+
+		static MorphOSScaler *Create(SCALERTYPE st, APTR buffer, int width, int height, ULONG *col_table, UWORD *col_table16, BitMap *bmap);
+
+		static SCALERTYPE FindByName(const char *ScalerName);
+		static SCALERTYPE FindByIndex(int index);
+		static const char *GetParamName(SCALERTYPE type);
+
+	protected:
+		struct GfxScaler
+		{
+			STRPTR 		gs_Name;
+			STRPTR 		gs_ParamName;
+			SCALERTYPE	gs_Type;
+		};
+
+		static GfxScaler ScummScalers[11];
+
+		static uint32 MakeColor(int pixfmt, int r, int g, int b);
+
+		byte *dest;
+		uint32 dest_bpp;
+		uint32 dest_pitch;
+		uint32 dest_pixfmt;
+		APTR handle;
+		
+		uint32 colorMask;
+		uint32 lowPixelMask;
+		uint32 qcolorMask;
+		uint32 qlowpixelMask;
+		uint32 redblueMask;
+		uint32 greenMask;
+		int PixelsPerMask;
+		byte *src_line[4];
+		byte *dst_line[2];
+		bool ScummPCMode;
+
+		APTR Buffer;
+		int	BufferWidth;
+		int	BufferHeight;
+		ULONG *ScummColors;
+		USHORT *ScummColors16;
+};
+
+#define DECLARE_SCALER(scaler_name)	class scaler_name ## Scaler : public MorphOSScaler \
+	{ public: scaler_name ## Scaler(APTR buffer, int width, int height, ULONG *col_table, UWORD *col_table16, BitMap *bmap) : MorphOSScaler(buffer, width, height, col_table, col_table16, bmap) {} \
+	  void Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height); \
+	};
+
+
+DECLARE_SCALER(Point)
+DECLARE_SCALER(AdvMame2x)
+DECLARE_SCALER(SuperEagle)
+DECLARE_SCALER(Super2xSaI)
+
+#endif
+