Home | History | Annotate | Download | only in platform
      1 /*
      2  * Copyright (C) 2009 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef WebScreenInfo_h
     32 #define WebScreenInfo_h
     33 
     34 #include "WebRect.h"
     35 
     36 namespace blink {
     37 
     38 struct WebScreenInfo {
     39     // Device scale factor. Specifies the ratio between physical and logical
     40     // pixels.
     41     float deviceScaleFactor;
     42 
     43     // The screen depth in bits per pixel
     44     int depth;
     45 
     46     // The bits per colour component. This assumes that the colours are balanced
     47     // equally.
     48     int depthPerComponent;
     49 
     50     // This can be true for black and white printers
     51     bool isMonochrome;
     52 
     53     // This is set from the rcMonitor member of MONITORINFOEX, to whit:
     54     //   "A RECT structure that specifies the display monitor rectangle,
     55     //   expressed in virtual-screen coordinates. Note that if the monitor
     56     //   is not the primary display monitor, some of the rectangle's
     57     //   coordinates may be negative values."
     58     WebRect rect;
     59 
     60     // This is set from the rcWork member of MONITORINFOEX, to whit:
     61     //   "A RECT structure that specifies the work area rectangle of the
     62     //   display monitor that can be used by applications, expressed in
     63     //   virtual-screen coordinates. Windows uses this rectangle to
     64     //   maximize an application on the monitor. The rest of the area in
     65     //   rcMonitor contains system windows such as the task bar and side
     66     //   bars. Note that if the monitor is not the primary display monitor,
     67     //   some of the rectangle's coordinates may be negative values".
     68     WebRect availableRect;
     69 
     70     WebScreenInfo()
     71         : deviceScaleFactor(1)
     72         , depth(0)
     73         , depthPerComponent(0)
     74         , isMonochrome(false) { }
     75 };
     76 
     77 } // namespace blink
     78 
     79 #endif
     80