x11_graphics.hpp
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上传日期:2020-07-06
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midi
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Unix_Linux
- /*****************************************************************************
- * x11_graphics.hpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: 203bb7f68e22b373686627cdaa13ea2ec175ea1e $
- *
- * 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 X11_GRAPHICS_HPP
- #define X11_GRAPHICS_HPP
- #include <X11/Xlib.h>
- #include <X11/Xutil.h>
- #include "../src/os_graphics.hpp"
- class X11Display;
- class GenericWindow;
- class GenericBitmap;
- /// X11 implementation of OSGraphics
- class X11Graphics: public OSGraphics
- {
- public:
- X11Graphics( intf_thread_t *pIntf, X11Display &rDisplay, int width,
- int height);
- virtual ~X11Graphics();
- /// Clear the graphics
- virtual void clear();
- /// Draw another graphics on this one
- virtual void drawGraphics( const OSGraphics &rGraphics, int xSrc = 0,
- int ySrc = 0, int xDest = 0, int yDest = 0,
- int width = -1, int height = -1 );
- /// Render a bitmap on this graphics
- virtual void drawBitmap( const GenericBitmap &rBitmap, int xSrc = 0,
- int ySrc = 0, int xDest = 0, int yDest = 0,
- int width = -1, int height = -1,
- bool blend = false );
- /// Draw a filled rectangle on the grahics (color is #RRGGBB)
- virtual void fillRect( int left, int top, int width, int height,
- uint32_t color );
- /// Draw an empty rectangle on the grahics (color is #RRGGBB)
- virtual void drawRect( int left, int top, int width, int height,
- uint32_t color );
- /// Set the shape of a window with the mask of this graphics.
- virtual void applyMaskToWindow( OSWindow &rWindow );
- /// Copy the graphics on a window
- virtual void copyToWindow( OSWindow &rWindow, int xSrc,
- int ySrc, int width, int height,
- int xDest, int yDest );
- /// Tell whether the pixel at the given position is visible
- virtual bool hit( int x, int y ) const;
- /// Getters
- virtual int getWidth() const { return m_width; }
- virtual int getHeight() const { return m_height; }
- /// Get the pixmap ID
- Pixmap getDrawable() const { return m_pixmap; }
- /// Get the transparency mask
- Region getMask() const { return m_mask; }
- private:
- /// X11 display
- X11Display &m_rDisplay;
- /// Size of the image
- int m_width, m_height;
- /// Pixmap
- Pixmap m_pixmap;
- /// Transparency mask
- Region m_mask;
- /// Graphics context
- GC m_gc;
- /// Add an horizontal segment in a region
- void addHSegmentInRegion( Region &rMask, int xStart,
- int xEnd, int y );
- /// Add a vertical segment in a region
- void addVSegmentInRegion( Region &rMask, int yStart,
- int yEnd, int x );
- };
- #endif