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* 整理了一些GDI绘图的常用方法扩展

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Sunny 2021-08-20 16:21:53 +08:00
parent 7127305915
commit a874692b34
14 changed files with 1219 additions and 1032 deletions
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Bin/net40/SunnyUI.Demo.exe
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2
SunnyUI/Controls/UIPanel.cs
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@ -310,7 +310,7 @@ namespace Sunny.UI
if (IsDisposed) return;
Rectangle rect = new Rectangle(0, 0, Width - 1, Height - 1);
GraphicsPath path = GDIEx.CreateRoundedRectanglePath(rect, radius, RadiusSides);
GraphicsPath path = rect.CreateRoundedRectanglePath(radius, RadiusSides);
//填充背景色
if (ShowFill && fillColor.IsValid())

10
SunnyUI/Controls/UIValve.cs
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@ -122,7 +122,7 @@ namespace Sunny.UI
get => valveColor;
set
{
valveColor = value;
valveColor = value;
Invalidate();
}
}
@ -216,7 +216,7 @@ namespace Sunny.UI
rect = new Rectangle(Width - pipeSize - 8 - 14 - 10, Height / 2 - 14, 10, 27);
e.Graphics.FillRectangle(valveColor, rect);
colors = GDIEx.GradientColors(Color.White, valveColor, 14);
colors = Color.White.GradientColors(valveColor, 14);
rect = new Rectangle(Width - pipeSize - 8 - 14 - 10, Height / 2 - 14 + 4, 10, 4);
e.Graphics.FillRectangle(colors[4], rect);
rect = new Rectangle(Width - pipeSize - 8 - 14 - 10, Height / 2 - 14 + 12, 10, 4);
@ -269,7 +269,7 @@ namespace Sunny.UI
rect = new Rectangle(Width / 2 - 14, pipeSize + 8 + 10 + 4, 27, 10);
e.Graphics.FillRectangle(valveColor, rect);
colors = GDIEx.GradientColors(Color.White, valveColor, 14);
colors = Color.White.GradientColors(valveColor, 14);
rect = new Rectangle(Width / 2 - 14 + 4, pipeSize + 8 + 10 + 4, 4, 10);
e.Graphics.FillRectangle(colors[4], rect);
rect = new Rectangle(Width / 2 - 14 + 12, pipeSize + 8 + 10 + 4, 4, 10);
@ -321,7 +321,7 @@ namespace Sunny.UI
rect = new Rectangle(pipeSize + 8 + 10 + 4, Height / 2 - 14, 10, 27);
e.Graphics.FillRectangle(valveColor, rect);
colors = GDIEx.GradientColors(Color.White, valveColor, 14);
colors = Color.White.GradientColors(valveColor, 14);
rect = new Rectangle(pipeSize + 8 + 10 + 4, Height / 2 - 14 + 4, 10, 4);
e.Graphics.FillRectangle(colors[4], rect);
rect = new Rectangle(pipeSize + 8 + 10 + 4, Height / 2 - 14 + 12, 10, 4);
@ -373,7 +373,7 @@ namespace Sunny.UI
rect = new Rectangle(Width / 2 - 14, Height - pipeSize - 8 - 14 - 10, 27, 10);
e.Graphics.FillRectangle(valveColor, rect);
colors = GDIEx.GradientColors(Color.White, valveColor, 14);
colors = Color.White.GradientColors(valveColor, 14);
rect = new Rectangle(Width / 2 - 14 + 4, Height - pipeSize - 8 - 14 - 10, 4, 10);
e.Graphics.FillRectangle(colors[4], rect);
rect = new Rectangle(Width / 2 - 14 + 12, Height - pipeSize - 8 - 14 - 10, 4, 10);

8
SunnyUI/Forms/UIForm.cs
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@ -598,7 +598,7 @@ namespace Sunny.UI
size = Size;
// 若窗体从正常模式->最大化模式，该操作是由移动窗体至顶部触发的，记录的是移动前的窗体位置
location = IsOnMoving ? FormLocation : Location;
GDIEx.SetFormRoundRectRegion(this, 0);
FormEx.SetFormRoundRectRegion(this, 0);
WindowState = FormWindowState.Maximized;
}
else if (WindowState == FormWindowState.Maximized)
@ -620,7 +620,7 @@ namespace Sunny.UI
}
Location = location;
GDIEx.SetFormRoundRectRegion(this, ShowRadius ? 5 : 0);
FormEx.SetFormRoundRectRegion(this, ShowRadius ? 5 : 0);
WindowState = FormWindowState.Normal;
}
@ -1371,11 +1371,11 @@ namespace Sunny.UI
if (WindowState == FormWindowState.Maximized)
{
GDIEx.SetFormRoundRectRegion(this, 0);
FormEx.SetFormRoundRectRegion(this, 0);
}
else
{
GDIEx.SetFormRoundRectRegion(this, ShowRadius ? 5 : 0);
FormEx.SetFormRoundRectRegion(this, ShowRadius ? 5 : 0);
}
Invalidate();

15
SunnyUI/Forms/UIFormHelper.cs
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@ -602,6 +602,21 @@ namespace Sunny.UI
{
return new UIEditForm(option);
}
/// <summary>
/// 设置窗体的圆角矩形
/// </summary>
/// <param name="form">需要设置的窗体</param>
/// <param name="rgnRadius">圆角矩形的半径</param>
public static void SetFormRoundRectRegion(Form form, int rgnRadius)
{
if (form != null && form.FormBorderStyle == FormBorderStyle.None)
{
int region = Win32.GDI.CreateRoundRectRgn(0, 0, form.Width + 1, form.Height + 1, rgnRadius, rgnRadius);
Win32.User.SetWindowRgn(form.Handle, region, true);
Win32.GDI.DeleteObject(region);
}
}
}
public interface IFrame

1062
SunnyUI/Static/UGDI.cs
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1075
SunnyUI/Static/UGraphics.cs Normal file
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71
SunnyUI/Static/UImage.cs
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@ -572,5 +572,76 @@ namespace Sunny.UI
}
}
}
public static void DrawImageFromBase64(this Graphics g, string base64Image, Rectangle rect)
{
using (var ms = new System.IO.MemoryStream(Convert.FromBase64String(base64Image)))
using (var image = Image.FromStream(ms))
{
g.DrawImage(image, rect);
image.Dispose();
}
}
public static void DrawTransparentImage(this Graphics g, float alpha, Image image, Rectangle rect)
{
var colorMatrix = new ColorMatrix { Matrix33 = alpha };
var imageAttributes = new ImageAttributes();
imageAttributes.SetColorMatrix(colorMatrix);
g.DrawImage(image, new Rectangle(rect.X, rect.Y, image.Width, image.Height), rect.X, rect.Y, image.Width, image.Height, GraphicsUnit.Pixel, imageAttributes);
imageAttributes.Dispose();
}
public static void DrawStrokedRectangle(this Graphics g, Rectangle rect, Color bodyColor, Color strokeColor, int strokeThickness = 1)
{
using (var bodyBrush = new SolidBrush(bodyColor))
{
var x = strokeThickness == 1 ? 0 : strokeThickness;
var y = strokeThickness == 1 ? 0 : strokeThickness;
var h = strokeThickness == 1 ? 1 : strokeThickness + 1;
var w = strokeThickness == 1 ? 1 : strokeThickness + 1;
var newRect = new Rectangle(rect.X + x, rect.Y + y, rect.Width - w, rect.Height - h);
using (var strokePen = new Pen(strokeColor, strokeThickness))
{
g.FillRectangle(bodyBrush, newRect);
g.DrawRectangle(strokePen, newRect);
}
}
}
public static void DrawStrokedEllipse(this Graphics g, Rectangle rect, Color bodyColor, Color strokeColor, int strokeThickness = 1)
{
using (var bodyBrush = new SolidBrush(bodyColor))
{
var x = strokeThickness == 1 ? 0 : strokeThickness;
var y = strokeThickness == 1 ? 0 : strokeThickness;
var h = strokeThickness == 1 ? 1 : strokeThickness + 1;
var w = strokeThickness == 1 ? 1 : strokeThickness + 1;
var newRect = new Rectangle(rect.X + x, rect.Y + y, rect.Width - w, rect.Height - h);
using (var strokePen = new Pen(strokeColor, strokeThickness))
{
g.FillEllipse(bodyBrush, newRect);
g.DrawEllipse(strokePen, newRect);
}
}
}
public static string ToBase64(this Image image)
{
using (var toBase64 = new MemoryStream())
{
image.Save(toBase64, image.RawFormat);
image.Dispose();
return Convert.ToBase64String(toBase64.ToArray());
}
}
public static Image ToImage(string base64Image)
{
using (var toImage = new System.IO.MemoryStream(Convert.FromBase64String(base64Image)))
{
return Image.FromStream(toImage);
}
}
}
}

8
SunnyUI/Style/UIStyleColor.cs
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@ -129,8 +129,8 @@ namespace Sunny.UI
Name = style;
MenuSelectedColor = TitleColor = RectColor = PrimaryColor = color;
Color[] colors = GDIEx.GradientColors(Color.White, PrimaryColor, 16);
Color[] colors1 = GDIEx.GradientColors(PrimaryColor, Color.Black, 16);
Color[] colors = Color.White.GradientColors(PrimaryColor, 16);
Color[] colors1 = PrimaryColor.GradientColors(Color.Black, 16);
PlainColor = colors[1];
SecondaryColor = colors[5];
RegularColor = colors[10];
@ -147,8 +147,8 @@ namespace Sunny.UI
{
Name = style;
MenuSelectedColor = RectColor = RectHoverColor = TitleColor = ButtonForeColor = ButtonFillHoverColor = PrimaryColor = color;
Color[] colors = GDIEx.GradientColors(Color.White, PrimaryColor, 16);
Color[] colors1 = GDIEx.GradientColors(PrimaryColor, Color.Black, 16);
Color[] colors = Color.White.GradientColors(PrimaryColor, 16);
Color[] colors1 = PrimaryColor.GradientColors(Color.Black, 16);
ButtonFillColor = PlainColor = colors[1];
SecondaryColor = colors[5];
RegularColor = colors[10];