Mirrors/PowerToys
1
0
Fork 0
mirror of https://github.com/microsoft/PowerToys.git synced 2026-04-06 03:07:04 +02:00
Code Issues Packages Projects Releases Wiki Activity

Added Pixel to Device Independent Pixel transformation to WindowIntelopHelper

Browse Source 
MainWindow GetWindowsTop and GetWindowsLeft will use DIP when searching for the center of the screen
This commit is contained in:
Boris Makogonyuk
2015-12-13 04:22:01 +01:00
parent bb9684f7d3
commit 83985aa44c
2 changed files with 38 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
Wox/Helper/WindowIntelopHelper.cs
View File

@@ -4,6 +4,8 @@ using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Forms;
using System.Windows.Interop;
using System.Windows.Media;
using Point = System.Windows.Point;
namespace Wox.Helper
{
@@ -80,6 +82,32 @@ namespace Wox.Helper
SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~WS_SYSMENU);
}
/// <summary>
/// Transforms pixels to Device Independent Pixels used by WPF
/// </summary>
/// <param name="visual">current window, required to get presentation source</param>
/// <param name="unitX">horizontal position in pixels</param>
/// <param name="unitY">vertical position in pixels</param>
/// <returns>point containing device independent pixels</returns>
public static Point TransformPixelsToDIP(Visual visual, double unitX, double unitY)
{
Matrix matrix;
var source = PresentationSource.FromVisual(visual);
if (source != null)
{
matrix = source.CompositionTarget.TransformFromDevice;
}
else
{
using (var src = new HwndSource(new HwndSourceParameters()))
{
matrix = src.CompositionTarget.TransformFromDevice;
}
}
return new Point((int) (matrix.M11*unitX), (int) (matrix.M22*unitY));
}
[StructLayout(LayoutKind.Sequential)]
public struct RECT
{