public/platform/WebScreenInfo.h

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef WebScreenInfo_h
#define WebScreenInfo_h

#include "WebRect.h"

namespace WebKit {

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 WebKit

#endif