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Diffstat (limited to 'backends/platform/psp/image_viewer.h')
-rw-r--r-- | backends/platform/psp/image_viewer.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/backends/platform/psp/image_viewer.h b/backends/platform/psp/image_viewer.h new file mode 100644 index 0000000000..3e2630a97e --- /dev/null +++ b/backends/platform/psp/image_viewer.h @@ -0,0 +1,92 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/platform/psp/osys_psp.cpp $ + * $Id: osys_psp.cpp 46126 2009-11-24 14:18:46Z fingolfin $ + * + */ + +#ifndef PSP_IMAGE_VIEWER_H +#define PSP_IMAGE_VIEWER_H + +class InputHandler; + +class ImageViewer : public DisplayClient { +private: + Buffer *_buffer; + Palette *_palette; + GuRenderer *_renderer; + bool _visible; + bool _dirty; + bool _init; + uint32 _imageNum; // current image number + float _zoomFactor; // how much we're zooming in/out on the image + float _visibleHeight, _visibleWidth; + float _centerX, _centerY; + + InputHandler *_inputHandler; + + void setFullScreenImageParams(); + void loadNextImage(); + void loadLastImage(); + void setViewerButtons(bool active); + void setConstantRendererOptions(); + void moveImageX(int val); + void moveImageY(int val); + bool load(int imageNum); + void unload(); + + void setZoom(float value); + void setOffsetParams(); + void modifyZoom(bool up); // up or down + void setVisible(bool visible); + +public: + enum Events { + EVENT_HIDE = 0, + EVENT_SHOW = 1, + EVENT_ZOOM_IN, + EVENT_ZOOM_OUT, + EVENT_MOVE_LEFT, + EVENT_MOVE_UP, + EVENT_MOVE_RIGHT, + EVENT_MOVE_DOWN, + EVENT_NEXT_IMAGE, + EVENT_LAST_IMAGE, + }; + + ImageViewer() : _buffer(0), _palette(0), _visible(false), _dirty(false), _init(false), _imageNum(0), + _zoomFactor(0.0f), _visibleHeight(0.0f), _visibleWidth(0.0f), + _centerX(0.0f), _centerY(0.0f) {} + ~ImageViewer() { unload(); } // deallocate images + bool load(); + void render(); + bool isVisible() { return _visible; } + bool isDirty() { return _dirty; } + void setDirty() { _dirty = true; } + void setClean() { _dirty = false; } + + void handleEvent(uint32 event); + + // pointer setters + void setInputHandler(InputHandler *inputHandler) { _inputHandler = inputHandler; } +}; + +#endif /* PSP_IMAGE_VIEWER_H */
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