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This should fix most icon scaling issues

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Improved the IniReader a bit and replaced some old code.
This commit is contained in:
Robin Krom 2020-02-11 22:41:55 +01:00
parent 41baf27d84
commit 4a958be8b5
35 changed files with 2767 additions and 301 deletions
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53
GreenshotPlugin/UnmanagedHelpers/User32.cs
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@ -1,20 +1,20 @@
/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2020 Thomas Braun, Jens Klingen, Robin Krom
*
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
*
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 1 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@ -30,6 +30,7 @@ using Microsoft.Win32.SafeHandles;
using System.Security;
using System.Security.Permissions;
using log4net;
using GreenshotPlugin.Core.Enums;
namespace GreenshotPlugin.UnmanagedHelpers {
/// <summary>
@ -53,7 +54,7 @@ namespace GreenshotPlugin.UnmanagedHelpers {
public const int PW_DEFAULT = 0x00;
public const int PW_CLIENTONLY = 0x01;
// For MonitorFromWindow
public const int MONITOR_DEFAULTTONULL = 0;
public const int MONITOR_DEFAULTTOPRIMARY = 1;
@ -62,6 +63,19 @@ namespace GreenshotPlugin.UnmanagedHelpers {
[DllImport("user32", SetLastError = true)]
public static extern bool keybd_event(byte bVk, byte bScan, uint dwFlags, int dwExtraInfo);
/// <summary>
/// Determines whether the specified window handle identifies an existing window.
/// </summary>
/// <param name="hWnd">A handle to the window to be tested.</param>
/// <returns>
/// If the window handle identifies an existing window, the return value is true.
/// If the window handle does not identify an existing window, the return value is false.
/// </returns>
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool IsWindow(IntPtr hWnd);
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool IsWindowVisible(IntPtr hWnd);
@ -125,7 +139,7 @@ namespace GreenshotPlugin.UnmanagedHelpers {
[DllImport("user32", SetLastError = true, EntryPoint = "SetWindowLongPtr")]
public static extern IntPtr SetWindowLongPtr(IntPtr hWnd, int index, IntPtr styleFlags);
[DllImport("user32", SetLastError = true)]
public static extern IntPtr MonitorFromWindow(IntPtr hwnd, uint dwFlags);
public static extern IntPtr MonitorFromWindow(IntPtr hwnd, MonitorFrom dwFlags);
[DllImport("user32", SetLastError = true)]
public static extern IntPtr MonitorFromRect([In] ref RECT lprc, uint dwFlags);
[DllImport("user32", SetLastError = true)]
@ -224,8 +238,18 @@ namespace GreenshotPlugin.UnmanagedHelpers {
[DllImport("user32", SetLastError = true)]
public static extern bool CloseDesktop(IntPtr hDesktop);
/// <summary>
/// The GetWindowDC function retrieves the device context (DC) for the entire window, including title bar, menus, and scroll bars. A window device context permits painting anywhere in a window, because the origin of the device context is the upper-left corner of the window instead of the client area.
/// GetWindowDC assigns default attributes to the window device context each time it retrieves the device context.Previous attributes are lost.
/// See <a href="https://docs.microsoft.com/en-us/windows/desktop/api/winuser/nf-winuser-getwindowdc">GetWindowDC function</a>
/// </summary>
/// <param name="hWnd">A handle to the window whose DC is to be retrieved. If this value is NULL, GetWindowDC retrieves the DC for the entire screen.</param>
/// <returns>If the function succeeds, the return value is a handle to a device context for the specified window.</returns>
[DllImport("user32", SetLastError = true)]
public static extern IntPtr GetWindowDC(IntPtr hWnd);
/// <summary>
/// <summary>
/// Retrieves the cursor location safely, accounting for DPI settings in Vista/Windows 7.
/// </summary>
/// <returns>Point with cursor location, relative to the origin of the monitor setup
@ -407,6 +431,21 @@ namespace GreenshotPlugin.UnmanagedHelpers {
return returnValue;
}
/// <summary>
/// Creates a DC as SafeWindowDcHandle for the whole of the specified hWnd
/// </summary>
/// <param name="hWnd">IntPtr</param>
/// <returns>SafeWindowDcHandle</returns>
public static SafeWindowDcHandle FromWindow(IntPtr hWnd)
{
if (hWnd == IntPtr.Zero)
{
return null;
}
var hDcDesktop = GetWindowDC(hWnd);
return new SafeWindowDcHandle(hWnd, hDcDesktop);
}
public static SafeWindowDcHandle FromDesktop() {
IntPtr hWndDesktop = User32.GetDesktopWindow();
IntPtr hDCDesktop = GetWindowDC(hWndDesktop);