/*****************************************************************************
* ctrl_image.hpp
*****************************************************************************
* Copyright (C) 2003 the VideoLAN team
*
* Authors: Cyril Deguet <asmax@via.ecp.fr>
* Olivier Teulière <ipkiss@via.ecp.fr>
*
* 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.
*****************************************************************************/
#ifndef CTRL_IMAGE_HPP
#define CTRL_IMAGE_HPP
#include "../commands/cmd_generic.hpp"
#include "../utils/observer.hpp"
#include "ctrl_flat.hpp"
class GenericBitmap;
class OSGraphics;
class CmdGeneric;
class VarString;
/// Control image
class CtrlImage: public CtrlFlat, public Observer<VarString>
{
public:
/// Resize methods
enum resize_t
{
kMosaic, // Repeat the base image in a mosaic
kScale, // Scale the base image
kScaleAndRatioPreserved // Scale image (aspect ratio preserved)
};
// Create an image with the given bitmap (which is NOT copied)
CtrlImage( intf_thread_t *pIntf, GenericBitmap &rBitmap,
CmdGeneric &rCommand, resize_t resizeMethod,
const UString &rHelp, VarBool *pVisible, bool art );
~CtrlImage() override;
/// Handle an event on the control
void handleEvent(EvtGeneric &rEvent) override;
/// Check whether coordinates are inside the control
bool mouseOver(int x, int y) const override;
/// Draw the control on the given graphics
void draw(OSGraphics &rImage, int xDest, int yDest, int w, int h) override;
/// Get the type of control (custom RTTI)
std::string getType() const override { return "image"; }
protected:
using CtrlGeneric::onUpdate;
private:
/// Bitmap
GenericBitmap* m_pBitmap;
/// original Bitmap
GenericBitmap* m_pOriginalBitmap;
/// Buffer to stored the rendered bitmap
OSGraphics *m_pImage;
/// Command triggered by a double-click on the image
CmdGeneric &m_rCommand;
/// Resize method
resize_t m_resizeMethod;
/// does the image get updated as art
bool m_art;
/// offset for image inside the control
int m_x;
int m_y;
/// Method called when the observed variable is modified
void onUpdate(Subject<VarString> &rVariable, void*) override;
};
#endif
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