代码清理/拾色器功能/部分程序优化
This commit is contained in:
liufei
208
Control/Windows/PixelColorPickerWindow.xaml.cs
Normal file
208
Control/Windows/PixelColorPickerWindow.xaml.cs
Normal file
@@ -0,0 +1,208 @@
|
||||
using GeekDesk.Interface;
|
||||
using GeekDesk.Util;
|
||||
using HandyControl.Controls;
|
||||
using System;
|
||||
using System.Reflection;
|
||||
using System.Runtime.InteropServices;
|
||||
using System.Windows;
|
||||
using System.Windows.Controls;
|
||||
using System.Windows.Controls.Primitives;
|
||||
using System.Windows.Input;
|
||||
using System.Windows.Interop;
|
||||
using System.Windows.Media;
|
||||
using System.Windows.Media.Imaging;
|
||||
|
||||
namespace GeekDesk.Control.Windows
|
||||
{
|
||||
/// <summary>
|
||||
/// ColorPickerWindow.xaml 的交互逻辑
|
||||
/// </summary>
|
||||
public partial class PixelColorPickerWindow : IWindowCommon
|
||||
{
|
||||
private static int PIXEL_REC_LENGTH = 20;
|
||||
|
||||
private static readonly int MIN_LENGTH = 10;
|
||||
private static readonly int MAX_LENGTH = 50;
|
||||
|
||||
private static System.Drawing.Bitmap bgBitmap;
|
||||
|
||||
private readonly ColorPicker colorPicker;
|
||||
|
||||
public PixelColorPickerWindow(ColorPicker colorPicker)
|
||||
{
|
||||
InitializeComponent();
|
||||
this.colorPicker = colorPicker;
|
||||
ColorPickerWindow_Init();
|
||||
}
|
||||
|
||||
private void ColorPickerWindow_Init()
|
||||
{
|
||||
|
||||
this.WindowState = WindowState.Normal;//还原窗口（非最小化和最大化）
|
||||
|
||||
this.Width = SystemParameters.VirtualScreenWidth;
|
||||
this.Height = SystemParameters.VirtualScreenHeight;
|
||||
|
||||
this.Left = SystemParameters.VirtualScreenLeft;
|
||||
this.Top = SystemParameters.VirtualScreenTop;
|
||||
|
||||
DesktopBG.Width = this.Width;
|
||||
DesktopBG.Height = this.Height;
|
||||
this.Topmost = true;
|
||||
|
||||
bgBitmap = new System.Drawing.Bitmap(
|
||||
(int)SystemParameters.VirtualScreenWidth,
|
||||
(int)SystemParameters.VirtualScreenHeight,
|
||||
System.Drawing.Imaging.PixelFormat.Format32bppArgb
|
||||
);
|
||||
|
||||
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bgBitmap))
|
||||
{
|
||||
g.CopyFromScreen(
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
bgBitmap.Size
|
||||
);
|
||||
}
|
||||
|
||||
BitmapSource bs = Imaging.CreateBitmapSourceFromHBitmap(
|
||||
bgBitmap.GetHbitmap(),
|
||||
IntPtr.Zero,
|
||||
Int32Rect.Empty,
|
||||
BitmapSizeOptions.FromEmptyOptions()
|
||||
);
|
||||
ImageBrush ib = (ImageBrush)DesktopBG.Background;
|
||||
ib.ImageSource = bs;
|
||||
|
||||
VisualBrush b = (VisualBrush)PixelBG.Fill;
|
||||
b.Visual = DesktopBG;
|
||||
Mouse.OverrideCursor = Cursors.Cross;
|
||||
SetPixelAbout(null);
|
||||
}
|
||||
|
||||
|
||||
[DllImport("gdi32.dll", CharSet = CharSet.Auto, SetLastError = true, ExactSpelling = true)]
|
||||
public static extern int BitBlt(IntPtr hDC, int x, int y, int nWidth, int nHeight, IntPtr hSrcDC, int xSrc, int ySrc, int dwRop);
|
||||
|
||||
|
||||
public void OnKeyDown(object sender, KeyEventArgs e)
|
||||
{
|
||||
if (e.Key == Key.Escape)
|
||||
{
|
||||
this.DataContext = null;
|
||||
this.Close();
|
||||
}
|
||||
}
|
||||
|
||||
private void Window_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
|
||||
{
|
||||
Point pos = e.MouseDevice.GetPosition(DesktopBG);
|
||||
System.Drawing.Color colorD = bgBitmap.GetPixel((int)pos.X, (int)pos.Y);
|
||||
colorPicker.SelectedBrush = new SolidColorBrush(Color.FromArgb(colorD.A, colorD.R, colorD.G, colorD.B));
|
||||
DeleteObject(bgBitmap.GetHbitmap());
|
||||
this.Close();
|
||||
ClickColorPickerToggleButton(colorPicker);
|
||||
|
||||
}
|
||||
|
||||
public void ClickColorPickerToggleButton(ColorPicker colorPicker)
|
||||
{
|
||||
const BindingFlags InstanceBindFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
|
||||
Type type = colorPicker.GetType();
|
||||
FieldInfo fi = type.GetField("_toggleButtonDropper", InstanceBindFlags);
|
||||
|
||||
ToggleButton tb = (ToggleButton)fi.GetValue(colorPicker);
|
||||
if (tb != null && tb.IsChecked == true)
|
||||
{
|
||||
tb.IsChecked = false;
|
||||
MethodInfo mi = type.GetMethod("ToggleButtonDropper_Click", InstanceBindFlags);
|
||||
mi.Invoke(colorPicker, new object[] { null, null });
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
private void Window_MouseEnter(object sender, MouseEventArgs e)
|
||||
{
|
||||
Mouse.OverrideCursor = Cursors.Cross;
|
||||
}
|
||||
|
||||
private void Window_PreviewMouseMove(object sender, MouseEventArgs e)
|
||||
{
|
||||
SetPixelAbout(e);
|
||||
}
|
||||
|
||||
[System.Runtime.InteropServices.DllImport("gdi32.dll")]
|
||||
public static extern bool DeleteObject(IntPtr onj);
|
||||
|
||||
private void SetPixelAbout(MouseEventArgs e)
|
||||
{
|
||||
VisualBrush b = (VisualBrush)PixelBG.Fill;
|
||||
|
||||
Point pos;
|
||||
if (e == null)
|
||||
{
|
||||
pos = MouseUtil.GetMousePosition();
|
||||
}
|
||||
else
|
||||
{
|
||||
pos = e.MouseDevice.GetPosition(DesktopBG);
|
||||
}
|
||||
Rect viewBox = b.Viewbox;
|
||||
|
||||
viewBox.Width = PIXEL_REC_LENGTH;
|
||||
viewBox.Height = PIXEL_REC_LENGTH;
|
||||
|
||||
viewBox.X = pos.X - PIXEL_REC_LENGTH / 2;
|
||||
viewBox.Y = pos.Y - PIXEL_REC_LENGTH / 2;
|
||||
b.Viewbox = viewBox;
|
||||
|
||||
double x = pos.X + 10;
|
||||
double y = pos.Y + 10;
|
||||
if (x + ColorCanvas.Width > SystemParameters.VirtualScreenWidth)
|
||||
{
|
||||
x = pos.X - ColorCanvas.Width - 10;
|
||||
}
|
||||
if (y + ColorCanvas.Height > SystemParameters.VirtualScreenHeight)
|
||||
{
|
||||
y = pos.Y - ColorCanvas.Height - 10;
|
||||
}
|
||||
|
||||
Canvas.SetLeft(ColorCanvas, x);
|
||||
Canvas.SetTop(ColorCanvas, y);
|
||||
|
||||
|
||||
System.Drawing.Color dColor = bgBitmap.GetPixel((int)pos.X, (int)pos.Y);
|
||||
|
||||
PixelColor_HTML.Text = "#" + dColor.Name.ToUpper();
|
||||
PixelColor_RGB.Text = dColor.R + "," + dColor.G + "," + dColor.B;
|
||||
Pixel_XY.Text = pos.X + "*" + pos.Y;
|
||||
|
||||
SolidColorBrush scb = (SolidColorBrush)PixelColor.Fill;
|
||||
scb.Color = Color.FromArgb(dColor.A, dColor.R, dColor.G, dColor.B);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 滚轮控制缩放区域
|
||||
/// </summary>
|
||||
/// <param name="sender"></param>
|
||||
/// <param name="e"></param>
|
||||
private void Window_MouseWheel(object sender, MouseWheelEventArgs e)
|
||||
{
|
||||
|
||||
if (e.Delta < 0 && PIXEL_REC_LENGTH < MAX_LENGTH)
|
||||
{
|
||||
//缩小
|
||||
PIXEL_REC_LENGTH += 5;
|
||||
}
|
||||
else if (e.Delta > 0 && PIXEL_REC_LENGTH > MIN_LENGTH)
|
||||
{
|
||||
//放大
|
||||
PIXEL_REC_LENGTH -= 5;
|
||||
}
|
||||
SetPixelAbout(e);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user