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72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* aint32 with this program; if not, write to the Free Software
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*
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*
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* Based on the original sources
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* Faery Tale II -- The Halls of the Dead
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* (c) 1993-1996 The Wyrmkeep Entertainment Co.
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*/
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#include "saga2/saga2.h"
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#include "saga2/vbacksav.h"
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namespace Saga2 {
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gBackSave::gBackSave(const Rect16 &extent) {
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Rect16 displayRect(0, 0, 640, 480);
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// initialize the rectangle
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_savedRegion = intersect(extent, displayRect); // intersect with display size
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// Set up the image structure for the video page
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_savedPixels._size.x = _savedRegion.width;
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_savedPixels._size.y = _savedRegion.height;
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// _savedPixels._data = (uint8 *)malloc(_savedPixels.bytes());
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_savedPixels._data = (uint8 *)malloc(_savedPixels.bytes());
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// Initialize the graphics port
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setMap(&_savedPixels);
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setMode(kDrawModeReplace);
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_saved = false;
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}
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gBackSave::~gBackSave() {
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free(_savedPixels._data);
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}
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void gBackSave::save(gDisplayPort &port) {
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if (!_saved && _savedPixels._data) {
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port._protoPage.readPixels(_savedRegion, _savedPixels._data, _savedPixels._size.x);
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_saved = true;
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}
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}
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void gBackSave::restore(gDisplayPort &port) {
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if (_saved && _savedPixels._data) {
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port._protoPage.writePixels(_savedRegion, _savedPixels._data, _savedPixels._size.x);
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_saved = false;
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}
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}
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} // end of namespace Saga2
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