changed name to ImageControl
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src/Image.cc
2372
src/Image.cc
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src/Image.hh
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src/Image.hh
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// Image.hh for Fluxbox Window Manager
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// Copyright (c) 2001 - 2002 Henrik Kinnunen (fluxbox@linuxmail.org)
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//
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// Image.hh for Blackbox - an X11 Window manager
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// Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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// $Id: Image.hh,v 1.17 2002/11/27 22:03:00 fluxgen Exp $
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#ifndef IMAGE_HH
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#define IMAGE_HH
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#include "BaseDisplay.hh"
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#include "Color.hh"
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#include "Texture.hh"
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#include "Timer.hh"
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <list>
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class BImageControl;
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/**
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Renders to pixmap
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*/
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class BImage {
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public:
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BImage(BImageControl *ic, unsigned int width, unsigned int height);
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~BImage();
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/// render to pixmap
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Pixmap render(const FbTk::Texture &src_texture);
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/// render solid texture to pixmap
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Pixmap renderSolid(const FbTk::Texture &src_texture);
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/// render gradient texture to pixmap
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Pixmap renderGradient(const FbTk::Texture &src_texture);
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protected:
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/**
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Render to pixmap
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@return rendered pixmap
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*/
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Pixmap renderPixmap();
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/**
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Render to XImage
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@returns allocated and rendered XImage, user is responsible to deallocate
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*/
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XImage *renderXImage();
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/**
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@name render functions
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*/
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//@{
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void invert();
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void bevel1();
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void bevel2();
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void dgradient();
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void egradient();
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void hgradient();
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void pgradient();
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void rgradient();
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void vgradient();
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void cdgradient();
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void pcgradient();
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//@}
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private:
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BImageControl *control;
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bool interlaced;
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XColor *colors; // color table
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const FbTk::Color *from, *to;
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int red_offset, green_offset, blue_offset, red_bits, green_bits, blue_bits,
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ncolors, cpc, cpccpc;
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unsigned char *red, *green, *blue, *red_table, *green_table, *blue_table;
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unsigned int width, height, *xtable, *ytable;
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};
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/**
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Holds screen info and color tables
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*/
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class BImageControl : public TimeoutHandler {
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public:
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BImageControl(const ScreenInfo *screen, bool dither = false, int colors_per_channel = 4,
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unsigned long cache_timeout = 300000l, unsigned long cache_max = 200l);
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virtual ~BImageControl();
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inline bool doDither() const { return m_dither; }
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inline Colormap colormap() const { return m_colormap; }
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inline const ScreenInfo *getScreenInfo() const { return screeninfo; }
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inline Window drawable() const { return window; }
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/// @return visual of screen
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inline Visual *visual() { return screeninfo->getVisual(); }
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/// @return Bits per pixel of screen
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inline int bitsPerPixel() const { return bits_per_pixel; }
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/// @return depth of screen
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inline int depth() const { return screen_depth; }
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inline int colorsPerChannel() const { return colors_per_channel; }
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unsigned long getSqrt(unsigned int val);
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/**
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Render to pixmap
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@param width width of pixmap
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@param height height of pixmap
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@param src_texture texture type to render
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@return pixmap of the rendered image, on failure None
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*/
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Pixmap renderImage(unsigned int width, unsigned int height,
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const FbTk::Texture &src_texture);
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void installRootColormap();
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void removeImage(Pixmap thepix);
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void colorTables(unsigned char **, unsigned char **, unsigned char **,
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int *, int *, int *, int *, int *, int *);
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void getXColorTable(XColor **, int *);
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void getGradientBuffers(unsigned int, unsigned int,
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unsigned int **, unsigned int **);
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void setDither(bool d) { m_dither = d; }
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void setColorsPerChannel(int cpc);
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virtual void timeout();
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protected:
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/**
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Search cache for a specific pixmap
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@return None if no cache was found
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*/
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Pixmap searchCache(unsigned int width, unsigned int height, unsigned long texture_type,
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const FbTk::Color &color, const FbTk::Color &color_to);
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private:
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bool m_dither;
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const ScreenInfo *screeninfo;
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BTimer m_timer;
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Colormap m_colormap;
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Window window;
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XColor *colors; ///< color table
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int colors_per_channel, ncolors, screen_number, screen_depth,
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bits_per_pixel, red_offset, green_offset, blue_offset,
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red_bits, green_bits, blue_bits;
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unsigned char red_color_table[256], green_color_table[256],
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blue_color_table[256];
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unsigned int *grad_xbuffer, *grad_ybuffer, grad_buffer_width,
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grad_buffer_height;
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static unsigned long *sqrt_table; /// sqrt lookup table
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typedef struct Cache {
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Pixmap pixmap;
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unsigned int count, width, height;
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unsigned long pixel1, pixel2, texture;
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} Cache;
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unsigned long cache_max;
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typedef std::list<Cache *> CacheList;
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CacheList cache;
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};
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#endif // IMAGE_HH
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