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-rw-r--r--backends/platform/PalmOS/Src/os5_renderer.cpp156
1 files changed, 156 insertions, 0 deletions
diff --git a/backends/platform/PalmOS/Src/os5_renderer.cpp b/backends/platform/PalmOS/Src/os5_renderer.cpp
new file mode 100644
index 0000000000..ff692ae863
--- /dev/null
+++ b/backends/platform/PalmOS/Src/os5_renderer.cpp
@@ -0,0 +1,156 @@
+/* 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"
+
+void OSystem_PalmOS5::render_1x(RectangleType &r, PointType &p) {
+ Coord o = 0;
+
+ if (_overlayVisible) {
+ int16 *src = _overlayP;
+ int16 *dst = _workScreenP;
+ MemMove(dst, src, _screenWidth * _screenHeight * 2);
+
+ } else {
+ byte *src = _offScreenP;
+ int16 *dst = _workScreenP;
+ int cnt = _screenWidth * _screenHeight;
+ o = _current_shake_pos;
+
+ do {
+ *dst++ = _nativePal[*src++];
+ } while (--cnt);
+ }
+
+ p.x = _screenOffset.x;
+ p.y = _screenOffset.y + o;
+ RctSetRectangle(&r, 0, 0, _screenWidth, _screenHeight - o);
+}
+
+void OSystem_PalmOS5::render_landscape(RectangleType &r, PointType &p) {
+ Coord x, y, o = 0;
+ int16 *dst = _workScreenP;
+
+ if (_overlayVisible) {
+ int16 *src = _overlayP;
+
+ for (y = 0; y < 100; y++) {
+ // draw 2 lines
+ for (x = 0; x < 320; x++) {
+ *dst++ = *src++;
+ *dst++ = *src;
+ *dst++ = *src++;
+ }
+ // copy the second to the next line
+ MemMove(dst, dst - 480, 480 * 2);
+ dst += 480;
+ }
+
+ } else {
+ byte *src = _offScreenP;
+ o = _current_shake_pos;
+
+ for (y = 0; y < 100; y++) {
+ // draw 2 lines
+ for (x = 0; x < 320; x++) {
+ *dst++ = _nativePal[*src++];
+ *dst++ = _nativePal[*src];
+ *dst++ = _nativePal[*src++];
+ }
+ // copy the second to the next line
+ MemMove(dst, dst - 480, 480 * 2);
+ dst += 480;
+ }
+ }
+
+ p.x = _screenOffset.x;
+ p.y = _screenOffset.y + o;
+ RctSetRectangle(&r, 0, 0, 480, 300 - o);
+}
+
+void OSystem_PalmOS5::render_portrait(RectangleType &r, PointType &p) {
+ Coord x, y, o = 0;
+ int16 *dst = _workScreenP;
+
+ if (_overlayVisible) {
+ int16 *src = _overlayP + 320 - 1;
+ int16 *src2 = src;
+
+ for (x = 0; x < 160; x++) {
+ for (y = 0; y < 100; y++) {
+ *dst++ = *src;
+ src += 320;
+ *dst++ = *src;
+ *dst++ = *src;
+ src += 320;
+ }
+ src = --src2;
+
+ for (y = 0; y < 100; y++) {
+ *dst++ = *src;
+ src += 320;
+ *dst++ = *src;
+ *dst++ = *src;
+ src += 320;
+ }
+ src = --src2;
+
+ MemMove(dst, dst - 300, 300 * 2); // 300 = 200 x 1.5
+ dst += 300;
+ }
+
+ } else {
+ byte *src = _offScreenP + 320 - 1;
+ byte *src2 = src;
+ o = _current_shake_pos;
+
+ for (x = 0; x < 160; x++) {
+ for (y = 0; y < 100; y++) {
+ *dst++ = _nativePal[*src];
+ src += 320;
+ *dst++ = _nativePal[*src];
+ *dst++ = _nativePal[*src];
+ src += 320;
+ }
+ src = --src2;
+
+ for (y = 0; y < 100; y++) {
+ *dst++ = _nativePal[*src];
+ src += 320;
+ *dst++ = _nativePal[*src];
+ *dst++ = _nativePal[*src];
+ src += 320;
+ }
+ src = --src2;
+
+ MemMove(dst, dst - 300, 300 * 2); // 300 = 200 x 1.5
+ dst += 300;
+ }
+ }
+
+ p.y = _screenOffset.x;
+ p.x = _screenOffset.y + o;
+ RctSetRectangle(&r, 0, 0, 300 - o, 480);
+}
+