1 files changed, 317 insertions, 0 deletions
diff --git a/backends/platform/PalmOS/Src/os5_gfx.cpp b/backends/platform/PalmOS/Src/os5_gfx.cpp
new file mode 100644
index 0000000000..2e2ec68454
--- /dev/null
+++ b/backends/platform/PalmOS/Src/os5_gfx.cpp
@@ -0,0 +1,317 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "be_os5.h"
+#include <PenInputMgr.h>
+#include <palmOneResources.h>
+
+#ifdef PALMOS_ARM
+#include <System/WIP.h>
+#include <Libraries/AIA/palmOneStatusBarMgrARM.h>
+#endif
+
+#include "oscalls.h"
+
+void OSystem_PalmOS5::int_initSize(uint w, uint h) {
+}
+
+WinHandle OSystem_PalmOS5::alloc_screen(Coord w, Coord h) {
+	Err e;
+	WinHandle winH;
+	UInt16 old = WinSetCoordinateSystem(kCoordinatesNative);
+	winH = WinCreateOffscreenWindow(w, h, nativeFormat, &e);
+	WinSetCoordinateSystem(old);
+	
+	return winH;
+}
+
+void OSystem_PalmOS5::load_gfx_mode() {
+	Err e;
+
+	if (_gfxLoaded)
+		return;
+	_gfxLoaded = true;
+
+
+	_mouseBackupP = (byte *)MemPtrNew(MAX_MOUSE_W * MAX_MOUSE_H * 2); // *2 if 16bit
+	_mouseDataP = (byte *)MemPtrNew(MAX_MOUSE_W * MAX_MOUSE_H);
+	_offScreenP	= (byte *)malloc(_screenWidth * _screenHeight);
+
+	UInt32 depth = 16;
+	WinScreenMode(winScreenModeSet, NULL, NULL, &depth, NULL);
+	clearScreen();
+
+	gVars->indicator.on = RGBToColor(0,255,0);
+	gVars->indicator.off = RGBToColor(0,0,0);
+
+	_overlayH =  alloc_screen(_screenWidth, _screenHeight);
+	_screenH = WinGetDisplayWindow();
+
+	_overlayP = (OverlayColor *)(BmpGetBits(WinGetBitmap(_overlayH)));
+	_screenP = (byte *)(BmpGetBits(WinGetBitmap(_screenH)));
+
+	MemSet(_offScreenP, _screenWidth * _screenHeight, 0);
+	MemSet(_nativePal, sizeof(_nativePal), 0);
+	MemSet(_currentPalette, sizeof(_currentPalette), 0);
+
+	_isSwitchable = (_screenWidth == 320 && _screenHeight == 200 && OPTIONS_TST(kOptCollapsible));
+	if (_screenWidth > 320 || _screenHeight > 200 || !_isSwitchable)
+		_mode = GFX_NORMAL;
+
+	hotswap_gfx_mode(_mode);
+}
+
+void OSystem_PalmOS5::hotswap_gfx_mode(int mode) {
+	Err e;
+	UInt32 device;
+
+	if (_mode != GFX_NORMAL && !_isSwitchable)
+		return;
+
+	if (_workScreenH)
+		WinDeleteWindow(_workScreenH, false);
+	_workScreenH = NULL;
+
+#ifdef PALMOS_ARM
+	Boolean isT3 = false;
+	if (!FtrGet(sysFileCSystem, sysFtrNumOEMDeviceID, &device))
+		isT3 = (device == kPalmOneDeviceIDTungstenT3);
+#endif
+
+	// prevent bad DIA redraw (Stat part)
+	if (mode  == GFX_NORMAL) {		
+		// only if this API is available
+		if (_stretched && OPTIONS_TST(kOptCollapsible)) {
+#ifdef PALMOS_ARM
+			if (isT3) {
+				//AiaSetInputAreaState(aiaInputAreaShow);
+				StatShow_68k();
+				PINSetInputAreaState_68k(pinInputAreaOpen);
+			} else
+#endif
+			{
+				StatShow();
+				PINSetInputAreaState(pinInputAreaOpen);
+			}
+		}
+
+		_redawOSD = true;
+		_stretched = false;
+		OPTIONS_RST(kOptDisableOnScrDisp);
+		_screenDest.w = _screenWidth;
+		_screenDest.h = _screenHeight;
+
+		if (_wasRotated) {
+			// restore controls rotation
+			SWAP(_keyMouse.bitLeft, _keyMouse.bitRight);
+			SWAP(_keyMouse.bitRight, _keyMouse.bitDown);
+			SWAP(_keyMouse.bitLeft, _keyMouse.bitUp);
+			_wasRotated = false;
+		}
+
+		_workScreenH = alloc_screen(_screenWidth, _screenHeight);
+		_workScreenP = (int16 *)(BmpGetBits(WinGetBitmap(_workScreenH)));
+		MemSet(_workScreenP, _screenWidth * _screenHeight * 2, 0);
+
+		_screenOffset.x = (gVars->screenWidth - _screenWidth) / 2;
+		_screenOffset.y = (gVars->screenHeight - _screenHeight)  / 2;
+		
+		_render = &OSystem_PalmOS5::render_1x;
+
+	} else {
+#ifdef PALMOS_ARM
+		// T3 DIA library is 68k base, there is no possible native call
+		if (isT3) {
+			//AiaSetInputAreaState(aiaInputAreaFullScreen);
+			PINSetInputAreaState_68k(pinInputAreaClosed);
+			StatHide_68k();
+		} else
+#endif
+		{
+			PINSetInputAreaState(pinInputAreaClosed);
+			StatHide();
+		}
+
+		_redawOSD = false;
+		_stretched = true;
+		OPTIONS_SET(kOptDisableOnScrDisp);
+
+		if (OPTIONS_TST(kOptModeLandscape)) {
+			_screenDest.w = 480;
+			_screenDest.h = 300;
+			_workScreenH = alloc_screen(480, 300);
+			_render = &OSystem_PalmOS5::render_landscape;
+
+		} else {
+			_screenDest.w = 300;
+			_screenDest.h = 480;
+			_workScreenH = alloc_screen(300, 480);
+			_render = &OSystem_PalmOS5::render_portrait;
+			// This mode need a controls rotation
+			SWAP(_keyMouse.bitLeft, _keyMouse.bitUp);
+			SWAP(_keyMouse.bitRight, _keyMouse.bitDown);
+			SWAP(_keyMouse.bitLeft, _keyMouse.bitRight);
+			_wasRotated = true;
+		}
+
+		_workScreenP = (int16 *)(BmpGetBits(WinGetBitmap(_workScreenH)));
+		MemSet(_workScreenP, 480 * 300 * 2, 0);
+
+		_screenOffset.x = 0;
+		_screenOffset.y = 10;
+	}
+
+	_mode = mode;
+	clearScreen();
+}
+
+void OSystem_PalmOS5::unload_gfx_mode() {
+	if (!_gfxLoaded)
+		return;	
+	_gfxLoaded = false;
+	
+	MemPtrFree(_mouseBackupP);
+	MemPtrFree(_mouseDataP);
+	free(_offScreenP);
+
+	if (_workScreenH)
+		WinDeleteWindow(_workScreenH, false);
+	if (_overlayH)
+		WinDeleteWindow(_overlayH, false);
+		
+	_workScreenH = NULL;
+	_overlayH = NULL;
+
+	UInt32 depth = 8;
+	WinScreenMode(winScreenModeSet, NULL, NULL, &depth, NULL);
+	clearScreen();
+
+	WinSetCoordinateSystem(_sysOldCoord);
+}
+
+void OSystem_PalmOS5::copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h) {
+	// Clip the coordinates
+	if (x < 0) {
+		w += x;
+		buf -= x;
+		x = 0;
+	}
+
+	if (y < 0) {
+		h += y;
+		buf -= y * pitch;
+		y = 0;
+	}
+
+	if (w > _screenWidth - x)
+		w = _screenWidth - x;
+
+	if (h > _screenHeight - y)
+		h = _screenHeight - y;
+
+	if (w <= 0 || h <= 0)
+		return;
+
+	byte *dst = _offScreenP + y * _screenWidth + x;
+
+	if (w == pitch && w == _screenWidth) {
+		MemMove(dst, buf, w * h);
+	} else {
+		do {
+			MemMove(dst, buf, w);
+			dst += _screenWidth;
+			buf += pitch;
+		} while (--h);
+	}
+}
+
+void OSystem_PalmOS5::int_updateScreen() {
+	RectangleType r;
+	PointType p;
+
+	draw_mouse();
+	((this)->*(_render))(r, p);
+
+	_sysOldCoord = WinSetCoordinateSystem(kCoordinatesNative);
+	WinCopyRectangle(_workScreenH, _screenH, &r, p.x, p.y, winPaint);
+	WinSetCoordinateSystem(_sysOldCoord);
+	undraw_mouse();
+}
+
+void OSystem_PalmOS5::clearScreen() {
+	RGBColorType rgb = { 0,0,0,0 };
+	WinSetDrawWindow(WinGetDisplayWindow());
+	WinSetBackColorRGB(&rgb, 0);
+	WinEraseWindow();
+}
+
+void OSystem_PalmOS5::extras_palette(uint8 index, uint8 r, uint8 g, uint8 b) {
+	_nativePal[index] = gfxMakeDisplayRGB( r, g, b);
+}
+
+void OSystem_PalmOS5::draw_osd(UInt16 id, Int32 x, Int32 y, Boolean show, UInt8 color) {
+	if (_mode != GFX_NORMAL)
+		return;
+//	MemHandle hTemp = DmGetResource(bitmapRsc, id);
+	MemHandle hTemp = DmGetResource('abmp', id + 100);
+
+	if (hTemp) {
+		RGBColorType oldRGB;
+		static const RGBColorType pal[4] = {
+			{0,0,255,0},
+			{0,255,255,0},
+			{0,255,0,0},
+			{0,0,0,0}
+		};
+
+		BitmapType *bmTemp;
+		bmTemp	= (BitmapType *)MemHandleLock(hTemp);
+
+		Coord w, h;
+		BmpGetDimensions(bmTemp, &w, &h, 0);
+
+		PointType dst = { _screenOffset.x + x, _screenOffset.y + y };
+		RectangleType c, r = { dst.x, dst.y, w, h };
+
+		UInt16 old = WinSetCoordinateSystem(kCoordinatesNative);
+		WinSetDrawWindow(_screenH);
+		WinGetClip(&c);
+		WinResetClip();
+
+		if (show) {
+			WinSetForeColorRGB(&pal[3], &oldRGB);
+			WinSetBackColorRGB(&pal[color], &oldRGB);
+			WinDrawBitmap(bmTemp, dst.x, dst.y);
+		} else {
+			WinSetBackColorRGB(&pal[3], &oldRGB);
+			WinFillRectangle(&r, 0);
+		}
+
+		WinSetClip(&c);
+		WinSetCoordinateSystem(old);
+
+		MemPtrUnlock(bmTemp);
+		DmReleaseResource(hTemp);
+	}
+}