root/public/platform/WebScreenInfo.h

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/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef WebScreenInfo_h
#define WebScreenInfo_h

#include "WebRect.h"

namespace blink {

struct WebScreenInfo {
    // Device scale factor. Specifies the ratio between physical and logical
    // pixels.
    float deviceScaleFactor;

    // The screen depth in bits per pixel
    int depth;

    // The bits per colour component. This assumes that the colours are balanced
    // equally.
    int depthPerComponent;

    // This can be true for black and white printers
    bool isMonochrome;

    // This is set from the rcMonitor member of MONITORINFOEX, to whit:
    //   "A RECT structure that specifies the display monitor rectangle,
    //   expressed in virtual-screen coordinates. Note that if the monitor
    //   is not the primary display monitor, some of the rectangle's
    //   coordinates may be negative values."
    WebRect rect;

    // This is set from the rcWork member of MONITORINFOEX, to whit:
    //   "A RECT structure that specifies the work area rectangle of the
    //   display monitor that can be used by applications, expressed in
    //   virtual-screen coordinates. Windows uses this rectangle to
    //   maximize an application on the monitor. The rest of the area in
    //   rcMonitor contains system windows such as the task bar and side
    //   bars. Note that if the monitor is not the primary display monitor,
    //   some of the rectangle's coordinates may be negative values".
    WebRect availableRect;

    WebScreenInfo()
        : deviceScaleFactor(1)
        , depth(0)
        , depthPerComponent(0)
        , isMonochrome(false) { }
};

} // namespace blink

#endif

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