gecko-dev/gfx/thebes/gfxXlibSurface.h

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 *   Stuart Parmenter <pavlov@pavlov.net>
 *   Vladimir Vukicevic <vladimir@pobox.com>
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#ifndef GFX_XLIBSURFACE_H
#define GFX_XLIBSURFACE_H

#include "gfxASurface.h"

#include <X11/extensions/Xrender.h>
#include <X11/Xlib.h>

class THEBES_API gfxXlibSurface : public gfxASurface {
public:
    // create a surface for the specified dpy/drawable/visual.
    // Will use XGetGeometry to query the window/pixmap size.
    gfxXlibSurface(Display *dpy, Drawable drawable, Visual *visual);

    // create a surface for the specified dpy/drawable/visual,
    // with explicitly provided width/height.
    gfxXlibSurface(Display *dpy, Drawable drawable, Visual *visual, const gfxIntSize& size);

    // create a new Pixmap on the display dpy, with the root window as
    // the parent and the default depth for the default screen, and
    // attach the given visual.  The depth argument is optional, and
    // if not specified (or 0), the default depth of the default
    // screen of dpy is used.
    gfxXlibSurface(Display *dpy, Visual *visual, const gfxIntSize& size, int depth = 0);

    gfxXlibSurface(Display* dpy, Drawable drawable, XRenderPictFormat *format,
                   const gfxIntSize& size);

    gfxXlibSurface(Display* dpy, XRenderPictFormat *format,
                   const gfxIntSize& size);

    gfxXlibSurface(cairo_surface_t *csurf);

    virtual ~gfxXlibSurface();

    const gfxIntSize& GetSize() { return mSize; }

    Display* XDisplay() { return mDisplay; }
    Drawable XDrawable() { return mDrawable; }

    static XRenderPictFormat *FindRenderFormat(Display *dpy, gfxImageFormat format);

    // take ownership of a passed-in Pixmap, calling XFreePixmap on it
    // when the gfxXlibSurface is destroyed.
    void TakePixmap() {
        NS_ASSERTION(!mPixmapTaken, "I already own the Pixmap!");
        mPixmapTaken = PR_TRUE;
    }

protected:
    // if TakePixmap() has been called on this
    PRBool mPixmapTaken;
    
    Display *mDisplay;
    Drawable mDrawable;

    void DoSizeQuery();

    gfxIntSize mSize;
};

#endif /* GFX_XLIBSURFACE_H */