Moving remaining platform/backends code, as previously threatened

svn-id: r23380

1 files changed, 164 insertions, 0 deletions

diff --git a/backends/platform/PalmOS/Src/be_os5.h b/backends/platform/PalmOS/Src/be_os5.h
new file mode 100644
index 0000000000..40a8340820
--- /dev/null
+++ b/backends/platform/PalmOS/Src/be_os5.h
@@ -0,0 +1,164 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001  Ludvig Strigeus
+ * Copyright (C) 2001-2006 The ScummVM project
+ * Copyright (C) 2002-2006 Chris Apers - PalmOS Backend
+ *
+ * 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef BE_OS5_H
+#define BE_OS5_H
+
+#include "be_base.h"
+
+#if !defined(SYSTEM_CALLBACK) || defined(PALMOS_68K)
+#	define SYSTEM_CALLBACK
+#	ifdef PALMOS_ARM
+#		define CALLBACK_PROLOGUE \
+			__asm { \
+				stmfd  r13!,{r9,r10}; \
+				ldr	   r9,[r0]; \
+				ldr	   r10,[r0,#4]; \
+			}
+#		define CALLBACK_EPILOGUE __asm { ldmfd  r13!,{r9,r10} }
+#		define CALLBACK_INIT(regs) \
+			__asm { \
+				ldr  r0, = regs; \
+				add	 r0,r0,r10; \
+				str	 r9,[r0]; \
+				str	 r10,[r0,#4]; \
+			}
+#	else
+#		define CALLBACK_PROLOGUE \
+			asm (	\
+				movem.l a4-a5, -(sp);	\
+				move.l UserDataP, a0;	\
+				move.l 0(a0), a4;	\
+				move.l 4(a0), a5;	\
+			);
+#		define CALLBACK_EPILOGUE asm ( movem.l (sp)+, a4-a5 );
+#		define CALLBACK_INIT(regs) \
+			{	\
+				void *ptr = &regs; \
+				asm (	\
+					move.l	ptr, a0;	\
+					move.l	a4, 0(a0);	\
+					move.l	a5, 4(a0);	\
+				); \
+			}
+#	endif
+#else
+#	define CALLBACK_PROLOGUE
+#	define CALLBACK_EPILOGUE
+#	define CALLBACK_INIT(regs)
+#endif
+
+// TODO : change / remove this
+#define gfxMakeDisplayRGB_BigEndian(_r,_g,_b) \
+  ( (((_g) & 0xFC) << 11) | (((_b) & 0xF8) << 5) | ((_r) & 0xF8) | (((_g) & 0xFF) >> 5) )
+
+#define gfxMakeDisplayRGB_LittleEndian(_r,_g,_b) \
+  ( (((_r) & 0xF8) << 8) | (((_g) & 0xFC) << 3) | (((_b) & 0xF8) >> 3) )
+
+#if CPU_TYPE == CPU_68K
+#define gfxMakeDisplayRGB(_r,_g,_b) gfxMakeDisplayRGB_BigEndian(_r,_g,_b)
+#else
+#define gfxMakeDisplayRGB(_r,_g,_b) gfxMakeDisplayRGB_LittleEndian(_r,_g,_b)
+#endif
+
+typedef struct {
+	// for real thread version only
+	UInt32 __reg1;
+	UInt32 __reg2;
+
+	// no real thread version
+	Boolean set;
+	UInt32	size;
+	void *dataP;
+
+	// default sound stuff
+	SndStreamRef handle;
+	SoundPtr sound;
+} SoundExType, *SoundExPtr;
+extern SoundExType _soundEx;
+
+class OSystem_PalmOS5 : public OSystem_PalmBase {
+private:
+	typedef void (OSystem_PalmOS5::*RendererProc)(RectangleType &r, PointType &p);
+	RendererProc _render;
+
+	OverlayColor *_overlayP;
+	WinHandle _overlayH, _workScreenH;
+	int16 _nativePal[256];
+	int16 *_workScreenP;
+	
+	Boolean _isSwitchable, _wasRotated;
+
+	virtual void int_initBackend();
+	virtual void int_updateScreen();
+	virtual void int_initSize(uint w, uint h);
+
+	virtual void unload_gfx_mode();
+	virtual void load_gfx_mode();
+	virtual void hotswap_gfx_mode(int mode);
+
+	void draw_mouse();
+	void undraw_mouse();
+	virtual void get_coordinates(EventPtr ev, Coord &x, Coord &y);
+	virtual bool check_event(Event &event, EventPtr ev);
+	virtual void extras_palette(uint8 index, uint8 r, uint8 g, uint8 b);
+
+	void render_landscape(RectangleType &r, PointType &p);
+	void render_portrait(RectangleType &r, PointType &p);
+	void render_1x(RectangleType &r, PointType &p);
+	WinHandle alloc_screen(Coord w, Coord h);
+	virtual void draw_osd(UInt16 id, Int32 x, Int32 y, Boolean show, UInt8 color = 0);
+
+	virtual SndStreamVariableBufferCallback sound_callback();
+	virtual void sound_handler();
+
+protected:
+	UInt16 _sysOldCoord, _sysOldOrientation;
+	Boolean _stretched;
+
+public:
+	OSystem_PalmOS5();
+	static OSystem *create();
+
+	void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
+	void clearScreen();
+
+	void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor, int cursorTargetScale);
+
+	void showOverlay();
+	void hideOverlay();
+	virtual void clearOverlay();
+	virtual void grabOverlay(OverlayColor *buf, int pitch);
+	virtual void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h);
+	virtual OverlayColor RGBToColor(uint8 r, uint8 g, uint8 b);
+	virtual void colorToRGB(OverlayColor color, uint8 &r, uint8 &g, uint8 &b);
+
+	virtual bool setSoundCallback(SoundProc proc, void *param);
+	void clearSoundCallback();
+
+	void setWindowCaption(const char *caption);
+
+};
+
+#endif