New PalmOS backends

svn-id: r18981

1 files changed, 206 insertions, 0 deletions

diff --git a/backends/PalmOS/Src/base_gfx.cpp b/backends/PalmOS/Src/base_gfx.cpp
new file mode 100755
index 0000000000..39555433e0
--- /dev/null
+++ b/backends/PalmOS/Src/base_gfx.cpp
@@ -0,0 +1,206 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001  Ludvig Strigeus
+ * Copyright (C) 2001-2005 The ScummVM project
+ * Copyright (C) 2002-2005 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include "be_base.h"
+
+#ifdef PALMOS_68K
+#	include <BmpGlue.h>
+#endif
+
+/*
+ * Graphics modes
+ *
+ */
+
+static const OSystem::GraphicsMode s_supportedGraphicsModes[] = {
+	{"normal", "Normal", GFX_NORMAL},
+	{"wide", "Wide", GFX_WIDE},
+	{0, 0, 0}
+};
+
+int OSystem_PalmBase::getDefaultGraphicsMode() const {
+	return GFX_NORMAL;
+}
+
+const OSystem::GraphicsMode *OSystem_PalmBase::getSupportedGraphicsModes() const {
+	return int_getSupportedGraphicsModes();
+}
+
+const OSystem::GraphicsMode *OSystem_PalmBase::int_getSupportedGraphicsModes() const {
+	return s_supportedGraphicsModes;
+}
+
+int OSystem_PalmBase::getGraphicsMode() const {
+	return _mode;
+}
+
+bool OSystem_PalmBase::setGraphicsMode(int mode) {
+	switch(mode) {
+	case GFX_NORMAL:
+	case GFX_WIDE:
+		_setMode = mode;
+		break;
+
+	default:
+		warning("unknown gfx mode %d", mode);
+		_setMode = GFX_NORMAL;
+		return false;
+	}
+
+	return true;
+}
+
+/*
+ * Init
+ *
+ */
+
+void OSystem_PalmBase::initSize(uint w, uint h, int overlayScale) {
+	_screenWidth	= w;
+	_screenHeight	= h;
+
+	_screenDest.w = _screenWidth;
+	_screenDest.h = _screenHeight;
+
+	unload_gfx_mode();
+	_mode = _setMode;
+	load_gfx_mode();
+
+	warpMouse(200, 150);
+	int_initSize(w, h, overlayScale);
+}
+
+/*
+ * Palette
+ *
+ */
+void OSystem_PalmBase::setPalette(const byte *colors, uint start, uint num) {
+	RGBColorType *base = _currentPalette + start;
+
+	for(uint i = 0; i < num; i++) {
+		base[i].r = colors[0];
+		base[i].g = colors[1];
+		base[i].b = colors[2];
+		
+		extras_palette(i + start, colors[0], colors[1], colors[2]);
+		colors += 4;
+	}
+
+	if (start < _paletteDirtyStart)
+		_paletteDirtyStart = start;
+
+	if (start + num > _paletteDirtyEnd)
+		_paletteDirtyEnd = start + num;
+}
+
+/*
+ * Screen
+ *
+ */
+
+void OSystem_PalmBase::setShakePos(int shakeOffset) {
+	_new_shake_pos = shakeOffset;
+	int_setShakePos(shakeOffset);
+}
+
+void OSystem_PalmBase::updateScreen() {
+	// Check whether the palette was changed in the meantime and update the
+	// screen surface accordingly. 
+	if (_paletteDirtyEnd != 0) {
+		WinSetDrawWindow(WinGetDisplayWindow());
+		WinPalette(winPaletteSet, _paletteDirtyStart, _paletteDirtyEnd - _paletteDirtyStart, _currentPalette + _paletteDirtyStart);
+		_paletteDirtyEnd = 0;
+
+/*		UInt8 oldCol;
+		oldCol = gVars->indicator.on;
+		gVars->indicator.on = RGBToColor(0,255,0);
+
+		if (oldCol != gVars->indicator.on) {
+			// redraw if needed
+			if (_lastKeyModifier)
+				draw1BitGfx((kDrawKeyState + _lastKeyModifier - 1), 2, getHeight() + 2, true);
+
+			if(_useNumPad)
+				draw1BitGfx(kDrawNumPad, (getWidth() >> 1) - 32, getHeight() + 2, true);
+
+			if (_showBatLow)
+				draw1BitGfx(kDrawBatLow, (getWidth() >> 1), -16, true);			
+		}
+*/	}
+
+	int_updateScreen();
+	draw_mouse();
+}
+
+void OSystem_PalmBase::clearScreen() {
+	WinSetDrawWindow(WinGetDisplayWindow());
+	WinSetBackColor(RGBToColor(0,0,0));
+	WinEraseWindow();
+}
+
+void OSystem_PalmBase::draw_osd(UInt16 id, Int32 x, Int32 y, Boolean show, UInt8 color) {
+	MemHandle hTemp = DmGetResource(bitmapRsc, id);
+	
+	if (hTemp) {
+		BitmapType *bmTemp;
+		UInt32 *bmData;
+		UInt8 ih, iw, ib;
+		Coord w, h;
+		Int16 blocks, next;
+
+		UInt8 *scr = _screenP + x + _screenPitch * y;
+		bmTemp	= (BitmapType *)MemHandleLock(hTemp);
+		bmData	= (UInt32 *)BmpGetBits(bmTemp);
+
+#ifdef PALMOS_68K
+		BmpGlueGetDimensions(bmTemp, &w, &h, 0);
+#else
+		BmpGetDimensions(bmTemp, &w, &h, 0);
+#endif
+
+		blocks = w >> 5;
+		next = w - (blocks << 5);
+
+		if (next)
+			blocks++;
+
+		for (ih = 0; ih < h; ih++) {			// line
+			for (ib = 0; ib < blocks; ib++) {	// 32pix block
+				next = w - (ib << 5);
+				next = MIN(next, (Coord)32);
+		
+				for (iw = 0; iw < next; iw++) {	// row
+					*scr++ = ((*bmData & (1 << (31 - iw))) && show) ?
+						gVars->indicator.on :
+						gVars->indicator.off;
+				}
+
+				bmData++;
+			}
+			scr += _screenPitch - w;
+		}
+
+		MemHandleUnlock(hTemp);
+		DmReleaseResource(hTemp);
+	}
+}