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https://github.com/scummvm/scummvm.git
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a4ed12b04d
Pretending that the manager starts in the overlay mode was really confusing. Also, the concept of _workScreen seemed great in theory but lead to various subtle errors which were very hard to debug (related to cursor handling, resolution changing etc).
114 lines
2.9 KiB
C++
114 lines
2.9 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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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef BACKENDS_GRAPHICS_ATARI_PENDINGSCREENCHANGES_H
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#define BACKENDS_GRAPHICS_ATARI_PENDINGSCREENCHANGES_H
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#include <utility>
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class AtariGraphicsManager;
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class Screen;
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namespace Graphics {
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class Surface;
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}
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class PendingScreenChanges {
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public:
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PendingScreenChanges(const AtariGraphicsManager *manager)
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: _manager(manager) {
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}
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void clearTransaction() {
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_changes &= ~kTransaction;
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}
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void setScreenSurface(Graphics::Surface *surface) {
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_surface = surface;
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}
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void queueVideoMode() {
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_changes |= kVideoMode;
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}
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void queueAspectRatioCorrection() {
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_changes |= kAspectRatioCorrection;
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}
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void queuePalette() {
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_changes |= kPalette;
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}
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void queueShakeScreen() {
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_changes |= kShakeScreen;
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}
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void queueAll();
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int get() const {
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return _changes;
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}
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bool empty() const {
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return _changes == kNone;
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}
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Graphics::Surface *screenSurface() const {
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return _surface;
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}
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const std::pair<int, bool>& aspectRatioCorrectionYOffset() const {
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return _aspectRatioCorrectionYOffset;
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}
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const std::pair<bool, bool>& screenOffsets() const {
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return _setScreenOffsets;
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}
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const std::pair<bool, bool>& shrinkVidelVisibleArea() const {
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return _shrinkVidelVisibleArea;
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}
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void applyBeforeVblLock(const Screen &screen);
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void applyAfterVblLock(const Screen &screen);
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private:
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void processAspectRatioCorrection(const Screen &screen);
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void processVideoMode(const Screen &screen);
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enum Change {
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kNone = 0,
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kVideoMode = 1<<0,
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kAspectRatioCorrection = 1<<1,
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kPalette = 1<<2,
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kShakeScreen = 1<<3,
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kTransaction = kVideoMode | kAspectRatioCorrection,
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kAll = kTransaction | kPalette | kShakeScreen
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};
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int _changes = kNone;
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const AtariGraphicsManager *_manager;
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Graphics::Surface *_surface = nullptr;
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int _mode;
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bool _resetSuperVidel;
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bool _switchToBlackPalette;
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// <value, set> ... std::optional would be so much better!
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std::pair<int, bool> _aspectRatioCorrectionYOffset;
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std::pair<bool, bool> _setScreenOffsets;
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std::pair<bool, bool> _shrinkVidelVisibleArea;
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};
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#endif // ATARI-PENDINGSCREENCHANGES_H
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