1 files changed, 322 insertions, 0 deletions
diff --git a/backends/platform/PalmOS/Src/zodiac_gfx.cpp b/backends/platform/PalmOS/Src/zodiac_gfx.cpp
new file mode 100644
index 0000000000..bb70983e79
--- /dev/null
+++ b/backends/platform/PalmOS/Src/zodiac_gfx.cpp
@@ -0,0 +1,322 @@
+/* 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_zodiac.h"
+#include "common/config-manager.h"
+#include "graphics/surface.h"
+#include "rumble.h"
+
+#ifdef PALMOS_68K
+#define _TwGfxOpen(x, y)	TwGfxOpen((TwGfxHandle*)x, y);
+#else
+static asm Err _TwGfxOpen(void **aResult, void *aInfoResult) {
+	stmfd sp!, {r4-r11,lr}
+	ldr r9, [r9]
+	ldr r9, [r9]
+	sub sp, sp, #0x24
+	mov r6, r0
+	mov r7, r1
+	ldr pc, =0x200995F0
+}
+#endif
+
+int OSystem_PalmZodiac::getDefaultGraphicsMode() const {
+	return GFX_WIDE;
+}
+
+void OSystem_PalmZodiac::load_gfx_mode() {
+	Err e;
+
+	if (_gfxLoaded)
+		return;
+	_gfxLoaded = true;
+
+	// get command line config
+	_fullscreen = ConfMan.getBool("fullscreen");	// TODO : (NORMAL mode)
+	_ratio.adjustAspect = ConfMan.getBool("aspect_ratio") ? kRatioHeight : kRatioNone;
+
+	// precalc ratio (WIDE mode)
+	_ratio.width = ((float)_screenWidth / _screenHeight * gVars->screenFullHeight);
+	_ratio.height = ((float)_screenHeight / _screenWidth * gVars->screenFullWidth);
+
+	_sysOldOrientation = SysGetOrientation();
+	SysSetOrientation(sysOrientationLandscape);
+
+	_mouseBackupP = (byte *)MemPtrNew(MAX_MOUSE_W * MAX_MOUSE_H * 2); // *2 if 16bit
+	_mouseDataP = (byte *)MemPtrNew(MAX_MOUSE_W * MAX_MOUSE_H);
+	_offScreenP = (byte *)MemPtrNew(_screenWidth * _screenHeight);
+
+	MemSet(_offScreenP, _screenWidth * _screenHeight, 0);
+	MemSet(_nativePal, sizeof(_nativePal), 0);
+	MemSet(_currentPalette, sizeof(_currentPalette), 0);
+
+	UInt32 depth = 16;
+	WinScreenMode(winScreenModeSet, NULL, NULL, &depth, NULL);
+
+	gVars->indicator.on = RGBToColor(0,255,0);
+	gVars->indicator.off = RGBToColor(0,0,0);
+
+	_screenH = WinGetDisplayWindow();
+	_screenP = (byte *)BmpGetBits(WinGetBitmap(_screenH));
+
+	e = _TwGfxOpen((void **)&_gfxH, 0);
+	e = TwGfxGetPalmDisplaySurface(_gfxH, &_palmScreenP);
+
+	// overlay buffer
+	TwGfxSurfaceInfoType nfo = {
+		sizeof(TwGfxSurfaceInfoType),
+		_screenWidth, _screenHeight, _screenWidth * 2,
+		twGfxLocationAcceleratorMemory,
+		twGfxPixelFormatRGB565_LE
+	};
+	e = TwGfxAllocSurface(_gfxH, &_overlayP, &nfo);
+
+	// prepare main bitmap
+	_srcBmp.size = sizeof(TwGfxBitmapType);
+	_srcBmp.width = _screenWidth;
+	_srcBmp.height = _screenHeight;
+	_srcBmp.rowBytes = _screenWidth;
+	_srcBmp.pixelFormat = twGfxPixelFormat8bpp;
+	_srcBmp.data = _offScreenP;
+	_srcBmp.palette = _nativePal;
+
+	_srcRect.x = 0;
+	_srcRect.y = 0;
+	_srcRect.w = _screenWidth;
+	_srcRect.h = _screenHeight;
+
+	hotswap_gfx_mode(_mode);
+}
+
+void OSystem_PalmZodiac::hotswap_gfx_mode(int mode) {
+	Err e;
+	TwGfxSetClip(_palmScreenP, 0);
+	WinSetDrawWindow(_screenH);
+
+	_screenDest.w = _screenWidth;
+	_screenDest.h = _screenHeight;
+
+	// prevent bad DIA redraw (Stat part)
+	if (mode  == GFX_NORMAL) {
+		_redawOSD = true;
+		_stretched = (_screenWidth > gVars->screenWidth);
+		StatShow();
+		PINSetInputAreaState(pinInputAreaOpen);
+
+		if (_stretched) {
+			calc_rect(false);
+		} else {
+			// offsets
+			_screenOffset.x = (gVars->screenWidth - _screenWidth) / 2;
+			_screenOffset.y = (gVars->screenHeight - _screenHeight) / 2;
+
+			// clip Tapwave API
+			TwGfxRectType rt = { _screenOffset.x, _screenOffset.y, _screenWidth, _screenHeight };
+			TwGfxSetClip(_palmScreenP, &rt);
+		}
+
+	} else {
+		_redawOSD = false;
+		_stretched = true;
+		PINSetInputAreaState(pinInputAreaClosed);
+		StatHide();
+
+		calc_rect(true);
+	}
+
+	if (_stretched) {
+		OPTIONS_SET(kOptDisableOnScrDisp);
+		TwGfxSetClip(_palmScreenP, &_dstRect);
+
+		if (!_tmpScreenP) {
+			// wide buffer
+			TwGfxSurfaceInfoType nfo = {
+				sizeof(TwGfxSurfaceInfoType),
+				_screenWidth, _screenHeight, _screenWidth * 2,
+				twGfxLocationAcceleratorMemory,
+				twGfxPixelFormatRGB565_LE
+			};
+			e = TwGfxAllocSurface(_gfxH, &_tmpScreenP, &nfo);
+		}
+	} else {
+		OPTIONS_RST(kOptDisableOnScrDisp);
+		if (_tmpScreenP) {
+			e = TwGfxFreeSurface(_tmpScreenP);
+			_tmpScreenP = NULL;
+		}
+	}
+
+	_mode = mode;
+	_srcPos.x = _screenOffset.x;
+	_srcPos.y = _screenOffset.y;
+	clearScreen();
+//	updateScreen();
+}
+
+void OSystem_PalmZodiac::unload_gfx_mode() {
+	Err e;
+
+	if (!_gfxLoaded)
+		return;	
+	_gfxLoaded = false;
+
+	if (_tmpScreenP) {
+		e = TwGfxFreeSurface(_tmpScreenP);
+		_tmpScreenP = NULL;
+	}
+
+	e = TwGfxFreeSurface(_overlayP);
+	e = TwGfxClose(_gfxH);
+
+	UInt32 depth = 8;		
+	WinScreenMode(winScreenModeSet, NULL, NULL, &depth, NULL);
+	clearScreen();
+
+	MemPtrFree(_mouseBackupP);
+	MemPtrFree(_mouseDataP);
+	MemPtrFree(_offScreenP);
+
+	SysSetOrientation(_sysOldOrientation);
+	StatShow();
+	PINSetInputAreaState(pinInputAreaOpen);
+}
+
+static void rumblePack(Boolean active) {
+	if (!gVars->vibrator)
+		return;
+
+	RumbleRun(active);
+}
+
+void OSystem_PalmZodiac::int_setShakePos(int shakeOffset) {
+	if (shakeOffset == 0)
+		rumblePack(false);
+}
+
+void OSystem_PalmZodiac::updateScreen() {
+	Err e;
+
+	// draw the mouse pointer
+	draw_mouse();		
+	// update the screen
+	if (_overlayVisible) {
+		if (_stretched) {
+			TwGfxRectType dst = {_dstRect.x, _dstRect.y, _dstRect.w, _dstRect.h};
+			e = TwGfxStretchBlt2(_palmScreenP, &dst, _overlayP, &_srcRect, twGfxStretchFast| (gVars->filter ? twGfxStretchSmooth : 0));
+		} else {
+			e = TwGfxBitBlt(_palmScreenP, &_srcPos, _overlayP, &_srcRect);
+		}
+
+	} else {
+		if (_stretched) {
+			TwGfxPointType pos = {0, 0};
+			TwGfxRectType dst = {_dstRect.x, _dstRect.y, _dstRect.w, _dstRect.h};
+
+			if (_new_shake_pos != _current_shake_pos) {
+				TwGfxRectType r = { _screenOffset.x, _screenOffset.y, _dstRect.w, _new_shake_pos };
+
+				if (_new_shake_pos != 0) {
+					TwGfxFillRect(_palmScreenP, &r, 0);
+					rumblePack(_new_shake_pos >= 3);
+				}
+				r.y += dst.h;
+				r.h = _current_shake_pos;
+				TwGfxFillRect(_palmScreenP, &r, 0);
+
+				_current_shake_pos = _new_shake_pos;
+				dst.y += _new_shake_pos;
+			}
+			e = TwGfxDrawBitmap(_tmpScreenP, &pos, &_srcBmp);
+			e = TwGfxStretchBlt2(_palmScreenP, &dst, _tmpScreenP, &_srcRect, twGfxStretchFast| (gVars->filter ? twGfxStretchSmooth : 0)); 
+			
+		} else {
+			TwGfxPointType pos = {_srcPos.x, _srcPos.y};
+		
+			if (_new_shake_pos != _current_shake_pos) {
+				if (_new_shake_pos != 0) {
+					TwGfxRectType r = { _screenOffset.x, _screenOffset.y, _screenWidth, _new_shake_pos };
+					TwGfxFillRect(_palmScreenP, &r, 0);
+					rumblePack(_new_shake_pos >= 3);
+				}
+				_current_shake_pos = _new_shake_pos;
+				pos.y += _new_shake_pos;
+			}
+			e = TwGfxDrawBitmap(_palmScreenP, &pos, &_srcBmp);
+		}
+	}
+	undraw_mouse();
+}
+
+bool OSystem_PalmZodiac::grabRawScreen(Graphics::Surface *surf) {
+	assert(surf);
+	
+	surf->create(_screenWidth, _screenHeight, 1);
+	MemMove(surf->pixels, _offScreenP, _screenWidth * _screenHeight);
+	
+	return true;
+}
+
+void OSystem_PalmZodiac::extras_palette(uint8 index, uint8 r, uint8 g, uint8 b) {
+	_nativePal[index] = TwGfxMakeDisplayRGB( r, g, b);
+}
+
+void OSystem_PalmZodiac::draw_osd(UInt16 id, Int32 x, Int32 y, Boolean show, UInt8 color) {
+	if (_mode != GFX_NORMAL)
+		return;
+	MemHandle hTemp = DmGetResource(bitmapRsc, 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;
+		WinGetBitmapDimensions(bmTemp, &w, &h);	// return the size of the low density bmp
+
+		PointType dst = { _screenOffset.x + x, _screenOffset.y + y };
+		RectangleType c, r = { dst.x, dst.y, w * 2, h * 2 };
+
+		UInt16 old = WinSetCoordinateSystem(kCoordinatesNative);
+		WinSetDrawWindow(_screenH);
+		if (show) {
+			WinSetForeColorRGB(&pal[3], &oldRGB);
+			WinSetBackColorRGB(&pal[color], &oldRGB);
+			WinPaintBitmap(bmTemp, dst.x, dst.y);
+		} else {
+			WinSetBackColorRGB(&pal[3], &oldRGB);
+			WinFillRectangle(&r, 0);
+		}
+		WinSetCoordinateSystem(old);
+
+		MemPtrUnlock(bmTemp);
+		DmReleaseResource(hTemp);
+	}
+}