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CEF4Delphi/docs/html/uCEFDisplay.TCefDisplayRef.html
Salvador Díaz Fau 7093cc9a6a Update to CEF 122.1.8
2024-02-24 12:01:31 +01:00

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<!DOCTYPE html>
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<head>
<title>cef4delphi: uCEFDisplay: Class TCefDisplayRef</title>
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<span id="TCefDisplayRef"></span><h1 class="cio">Class TCefDisplayRef</h1>
<div class="sections">
<div class="one_section"><a class="section" href="#PasDoc-Description">Description</a></div><div class="one_section"><a class="section" href="#PasDoc-Hierarchy">Hierarchy</a></div><div class="one_section">Fields</div><div class="one_section"><a class="section" href="#PasDoc-Methods">Methods</a></div><div class="one_section">Properties</div></div>
<span id="PasDoc-Description"></span><h2 class="unit">Unit</h2>
<p class="unitlink">
<a href="uCEFDisplay.html">uCEFDisplay</a></p>
<h2 class="declaration">Declaration</h2>
<p class="declaration">
<code>type TCefDisplayRef = class(<a class="normal" href="uCEFBaseRefCounted.TCefBaseRefCountedRef.html">TCefBaseRefCountedRef</a>, <a class="normal" href="uCEFInterfaces.ICefDisplay.html">ICefDisplay</a>)</code></p>
<h2 class="description">Description</h2>
<p>
This class typically, but not always, corresponds to a physical display connected to the system. A fake Display may exist on a headless system, or a Display may correspond to a remote, virtual display. All size and position values are in density independent pixel (DIP) coordinates unless otherwise indicated. Methods must be called on the browser process UI thread unless otherwise indicated. </p>
<p>
<p>&lt;see href=&quot;<a href="https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/views/cef_display_capi.h">https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/views/cef_display_capi.h</a>&quot;&gt;CEF source file: /include/capi/views/cef_display_capi.h (cef_display_t))</p>
<span id="PasDoc-Hierarchy"></span><h2 class="hierarchy">Hierarchy</h2>
<ul class="hierarchy"><li class="ancestor">TInterfacedObject</li>
<li class="ancestor"><a class="normal" href="uCEFBaseRefCounted.TCefBaseRefCountedRef.html">TCefBaseRefCountedRef</a></li>
<li class="thisitem">TCefDisplayRef</li></ul><h2 class="overview">Overview</h2>
<span id="PasDoc-Methods"></span><h3 class="summary">Methods</h3>
<table class="summary wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <strong><a href="uCEFDisplay.TCefDisplayRef.html#GetID">GetID</a></strong>: int64;</code></td>
</tr>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <strong><a href="uCEFDisplay.TCefDisplayRef.html#GetDeviceScaleFactor">GetDeviceScaleFactor</a></strong>: Single;</code></td>
</tr>
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFDisplay.TCefDisplayRef.html#ConvertPointToPixels-TCefPoint-">ConvertPointToPixels</a></strong>(var point: <a href="uCEFTypes.TCefPoint.html">TCefPoint</a>);</code></td>
</tr>
<tr class="list2">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFDisplay.TCefDisplayRef.html#ConvertPointFromPixels-TCefPoint-">ConvertPointFromPixels</a></strong>(var point: <a href="uCEFTypes.TCefPoint.html">TCefPoint</a>);</code></td>
</tr>
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <strong><a href="uCEFDisplay.TCefDisplayRef.html#GetBounds">GetBounds</a></strong>: <a href="uCEFTypes.TCefRect.html">TCefRect</a>;</code></td>
</tr>
<tr class="list2">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <strong><a href="uCEFDisplay.TCefDisplayRef.html#GetWorkArea">GetWorkArea</a></strong>: <a href="uCEFTypes.TCefRect.html">TCefRect</a>;</code></td>
</tr>
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <strong><a href="uCEFDisplay.TCefDisplayRef.html#GetRotation">GetRotation</a></strong>: Integer;</code></td>
</tr>
<tr class="list2">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>class function <strong><a href="uCEFDisplay.TCefDisplayRef.html#UnWrap-Pointer-">UnWrap</a></strong>(data: Pointer): <a href="uCEFInterfaces.ICefDisplay.html">ICefDisplay</a>;</code></td>
</tr>
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>class function <strong><a href="uCEFDisplay.TCefDisplayRef.html#Primary">Primary</a></strong>: <a href="uCEFInterfaces.ICefDisplay.html">ICefDisplay</a>;</code></td>
</tr>
<tr class="list2">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>class function <strong><a href="uCEFDisplay.TCefDisplayRef.html#NearestPoint-TCefPoint-boolean-">NearestPoint</a></strong>(const point: <a href="uCEFTypes.TCefPoint.html">TCefPoint</a>; input_pixel_coords: boolean): <a href="uCEFInterfaces.ICefDisplay.html">ICefDisplay</a>;</code></td>
</tr>
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>class function <strong><a href="uCEFDisplay.TCefDisplayRef.html#MatchingBounds-TCefRect-boolean-">MatchingBounds</a></strong>(const bounds: <a href="uCEFTypes.TCefRect.html">TCefRect</a>; input_pixel_coords: boolean): <a href="uCEFInterfaces.ICefDisplay.html">ICefDisplay</a>;</code></td>
</tr>
<tr class="list2">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>class function <strong><a href="uCEFDisplay.TCefDisplayRef.html#GetCount">GetCount</a></strong>: <a href="uCEFTypes.html#NativeUInt">NativeUInt</a>;</code></td>
</tr>
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>class function <strong><a href="uCEFDisplay.TCefDisplayRef.html#GetAlls-TCefDisplayArray-">GetAlls</a></strong>(var aDisplayArray : <a href="uCEFInterfaces.html#TCefDisplayArray">TCefDisplayArray</a>) : boolean;</code></td>
</tr>
<tr class="list2">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>class function <strong><a href="uCEFDisplay.TCefDisplayRef.html#ScreenPointToPixels-TPoint-">ScreenPointToPixels</a></strong>(const aScreenPoint : TPoint) : TPoint;</code></td>
</tr>
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>class function <strong><a href="uCEFDisplay.TCefDisplayRef.html#ScreenPointFromPixels-TPoint-">ScreenPointFromPixels</a></strong>(const aPixelsPoint : TPoint) : TPoint;</code></td>
</tr>
<tr class="list2">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>class function <strong><a href="uCEFDisplay.TCefDisplayRef.html#ScreenRectToPixels-TRect-">ScreenRectToPixels</a></strong>(const aScreenRect : TRect) : TRect;</code></td>
</tr>
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>class function <strong><a href="uCEFDisplay.TCefDisplayRef.html#ScreenRectFromPixels-TRect-">ScreenRectFromPixels</a></strong>(const aPixelsRect : TRect) : TRect;</code></td>
</tr>
</table>
<h2 class="description">Description</h2>
<h3 class="detail">Methods</h3>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="GetID"></span><code>function <strong>GetID</strong>: int64;</code></td>
</tr>
<tr><td colspan="2">
<p>
Returns the unique identifier for this Display. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="GetDeviceScaleFactor"></span><code>function <strong>GetDeviceScaleFactor</strong>: Single;</code></td>
</tr>
<tr><td colspan="2">
<p>
Returns this Display's device pixel scale factor. This specifies how much the UI should be scaled when the actual output has more pixels than standard displays (which is around 100~120dpi). The potential return values differ by platform. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="ConvertPointToPixels-TCefPoint-"></span><code>procedure <strong>ConvertPointToPixels</strong>(var point: <a href="uCEFTypes.TCefPoint.html">TCefPoint</a>);</code></td>
</tr>
<tr><td colspan="2">
<p>
Convert |point| from DIP coordinates to pixel coordinates using this Display's device scale factor. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="ConvertPointFromPixels-TCefPoint-"></span><code>procedure <strong>ConvertPointFromPixels</strong>(var point: <a href="uCEFTypes.TCefPoint.html">TCefPoint</a>);</code></td>
</tr>
<tr><td colspan="2">
<p>
Convert |point| from pixel coordinates to DIP coordinates using this Display's device scale factor. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="GetBounds"></span><code>function <strong>GetBounds</strong>: <a href="uCEFTypes.TCefRect.html">TCefRect</a>;</code></td>
</tr>
<tr><td colspan="2">
<p>
Returns this Display's bounds in DIP screen coordinates. This is the full size of the display. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="GetWorkArea"></span><code>function <strong>GetWorkArea</strong>: <a href="uCEFTypes.TCefRect.html">TCefRect</a>;</code></td>
</tr>
<tr><td colspan="2">
<p>
Returns this Display's work area in DIP screen coordinates. This excludes areas of the display that are occupied with window manager toolbars, etc. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="GetRotation"></span><code>function <strong>GetRotation</strong>: Integer;</code></td>
</tr>
<tr><td colspan="2">
<p>
Returns this Display's rotation in degrees. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><span id="UnWrap-Pointer-"></span><code>class function <strong>UnWrap</strong>(data: Pointer): <a href="uCEFInterfaces.ICefDisplay.html">ICefDisplay</a>;</code></td>
</tr>
<tr><td colspan="2">
<p>
Returns a ICefDisplay instance using a PCefDisplay data pointer. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><span id="Primary"></span><code>class function <strong>Primary</strong>: <a href="uCEFInterfaces.ICefDisplay.html">ICefDisplay</a>;</code></td>
</tr>
<tr><td colspan="2">
<p>
Returns the primary Display. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><span id="NearestPoint-TCefPoint-boolean-"></span><code>class function <strong>NearestPoint</strong>(const point: <a href="uCEFTypes.TCefPoint.html">TCefPoint</a>; input_pixel_coords: boolean): <a href="uCEFInterfaces.ICefDisplay.html">ICefDisplay</a>;</code></td>
</tr>
<tr><td colspan="2">
<p>
Returns the Display nearest |point|. Set |input_pixel_coords| to true (1) if |point| is in pixel screen coordinates instead of DIP screen coordinates. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><span id="MatchingBounds-TCefRect-boolean-"></span><code>class function <strong>MatchingBounds</strong>(const bounds: <a href="uCEFTypes.TCefRect.html">TCefRect</a>; input_pixel_coords: boolean): <a href="uCEFInterfaces.ICefDisplay.html">ICefDisplay</a>;</code></td>
</tr>
<tr><td colspan="2">
<p>
Returns the Display that most closely intersects |bounds|. Set |input_pixel_coords| to true (1) if |bounds| is in pixel screen coordinates instead of DIP screen coordinates. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><span id="GetCount"></span><code>class function <strong>GetCount</strong>: <a href="uCEFTypes.html#NativeUInt">NativeUInt</a>;</code></td>
</tr>
<tr><td colspan="2">
<p>
Returns the total number of Displays. Mirrored displays are excluded; this function is intended to return the number of distinct, usable displays. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><span id="GetAlls-TCefDisplayArray-"></span><code>class function <strong>GetAlls</strong>(var aDisplayArray : <a href="uCEFInterfaces.html#TCefDisplayArray">TCefDisplayArray</a>) : boolean;</code></td>
</tr>
<tr><td colspan="2">
<p>
Returns all Displays. Mirrored displays are excluded; this function is intended to return distinct, usable displays. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><span id="ScreenPointToPixels-TPoint-"></span><code>class function <strong>ScreenPointToPixels</strong>(const aScreenPoint : TPoint) : TPoint;</code></td>
</tr>
<tr><td colspan="2">
<p>
Convert |point| from DIP screen coordinates to pixel screen coordinates. This function is only used on Windows. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><span id="ScreenPointFromPixels-TPoint-"></span><code>class function <strong>ScreenPointFromPixels</strong>(const aPixelsPoint : TPoint) : TPoint;</code></td>
</tr>
<tr><td colspan="2">
<p>
Convert |point| from pixel screen coordinates to DIP screen coordinates. This function is only used on Windows. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><span id="ScreenRectToPixels-TRect-"></span><code>class function <strong>ScreenRectToPixels</strong>(const aScreenRect : TRect) : TRect;</code></td>
</tr>
<tr><td colspan="2">
<p>
Convert |rect| from DIP screen coordinates to pixel screen coordinates. This function is only used on Windows. </p>
</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><span id="ScreenRectFromPixels-TRect-"></span><code>class function <strong>ScreenRectFromPixels</strong>(const aPixelsRect : TRect) : TRect;</code></td>
</tr>
<tr><td colspan="2">
<p>
Convert |rect| from pixel screen coordinates to DIP screen coordinates. This function is only used on Windows. </p>
</td></tr>
</table>
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