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* 整理了一些扩展函数

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Sunny 2021-08-19 20:32:28 +08:00
parent 8724325508
commit 7127305915
10 changed files with 163 additions and 123 deletions
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Bin/net40/SunnyUI.Demo.exe
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1
SunnyUI/Controls/UITabControl.cs
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@ -54,7 +54,6 @@ namespace Sunny.UI
DrawMode = TabDrawMode.OwnerDrawFixed;
Font = UIFontColor.Font;
AfterSetFillColor(FillColor);
Size = new Size(450, 270);
Version = UIGlobal.Version;
Helper = new UITabControlHelper(this);

162
SunnyUI/Static/UGDI.cs
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@ -17,6 +17,7 @@
* 创建日期: 2020-01-01
*
* 2020-01-01: V2.2.0 增加文件说明
* 2021-08-19: V3.0.5 修复CreateRoundedRectanglePath参数radius=0时的错误
******************************************************************************/
using System;
@ -1312,5 +1313,166 @@ namespace Sunny.UI
TwoPoints.Clear();
}
public static bool IsNullOrEmpty(this Color color)
{
return color == Color.Empty || color == Color.Transparent;
}
public static bool IsValid(this Color color)
{
return !color.IsNullOrEmpty();
}
/// <summary>
/// 设置GDI高质量模式抗锯齿
/// </summary>
/// <param name="g"></param>
public static void SetHighQuality(this Graphics g)
{
g.SmoothingMode = SmoothingMode.AntiAlias; //使绘图质量最高，即消除锯齿
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
}
/// <summary>
/// 设置GDI默认值
/// </summary>
/// <param name="g"></param>
public static void SetDefaultQuality(this Graphics g)
{
g.SmoothingMode = SmoothingMode.Default;
g.InterpolationMode = InterpolationMode.Default;
g.CompositingQuality = CompositingQuality.Default;
}
/// <summary>
/// 设置递进颜色
/// </summary>
/// <param name="color">颜色</param>
/// <param name="alpha">alpha</param>
/// <returns>颜色</returns>
public static Color StepColor(this Color color, int alpha)
{
if (alpha == 100)
{
return color;
}
byte a = color.A;
byte r = color.R;
byte g = color.G;
byte b = color.B;
float bg;
int _alpha = Math.Max(alpha, 0);
double d = (_alpha - 100.0) / 100.0;
if (d > 100)
{
// blend with white
bg = 255.0F;
d = 1.0F - d; // 0 = transparent fg; 1 = opaque fg
}
else
{
// blend with black
bg = 0.0F;
d = 1.0F + d; // 0 = transparent fg; 1 = opaque fg
}
r = (byte)(BlendColor(r, bg, d));
g = (byte)(BlendColor(g, bg, d));
b = (byte)(BlendColor(b, bg, d));
return Color.FromArgb(a, r, g, b);
}
private static double BlendColor(double fg, double bg, double alpha)
{
double result = bg + (alpha * (fg - bg));
if (result < 0.0)
{
result = 0.0;
}
if (result > 255)
{
result = 255;
}
return result;
}
public static Color RandomColor()
{
Random random = new Random();
return Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256));
}
/// <summary>
/// 平移
/// </summary>
public static Point Offset(this Point point, Size size)
{
point.Offset(size.Width, size.Height);
return point;
}
/// <summary>
/// 宽度放大
/// </summary>
public static Size MultiplyWidth(this Size size, int multiple)
{
return new Size(size.Width * multiple, size.Height);
}
/// <summary>
/// 高度放大
/// </summary>
public static Size MultiplyHeight(this Size size, int multiple)
{
return new Size(size.Width, size.Height * multiple);
}
/// <summary>
/// 宽度和高度放大
/// </summary>
public static Size MultiplyAll(this Size size, int multiple)
{
return new Size(size.Width * multiple, size.Height * multiple);
}
/// <summary>
/// 宽度放大
/// </summary>
public static Size MultiplyWidth(this Size size, double multiple)
{
return new Size((int)(size.Width * multiple), size.Height);
}
/// <summary>
/// 高度放大
/// </summary>
public static Size MultiplyHeight(this Size size, double multiple)
{
return new Size(size.Width, (int)(size.Height * multiple));
}
/// <summary>
/// 宽度和高度放大
/// </summary>
public static Size MultiplyAll(this Size size, double multiple)
{
return new Size((int)(size.Width * multiple), (int)(size.Height * multiple));
}
/// <summary>
/// 区域是否可见
/// </summary>
public static bool IsVisible(this Rectangle rect)
{
return rect.Width > 0 && rect.Height > 0;
}
}
}

121
SunnyUI/Static/UImage.cs
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@ -104,12 +104,6 @@ namespace Sunny.UI
}
}
public static Color RandomColor()
{
Random random = new Random();
return Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256));
}
public static Bitmap ChangeOpacity(Image img, float opacity)
{
Bitmap bmp = new Bitmap(img.Width, img.Height); // Determining Width and Height of Source Image
@ -232,38 +226,6 @@ namespace Sunny.UI
}
}
public static bool IsNullOrEmpty(this Color color)
{
return color == Color.Empty || color == Color.Transparent;
}
public static bool IsValid(this Color color)
{
return !color.IsNullOrEmpty();
}
/// <summary>
/// 设置GDI高质量模式抗锯齿
/// </summary>
/// <param name="g"></param>
public static void SetHighQuality(this Graphics g)
{
g.SmoothingMode = SmoothingMode.AntiAlias; //使绘图质量最高，即消除锯齿
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
}
/// <summary>
/// 设置GDI默认值
/// </summary>
/// <param name="g"></param>
public static void SetDefaultQuality(this Graphics g)
{
g.SmoothingMode = SmoothingMode.Default;
g.InterpolationMode = InterpolationMode.Default;
g.CompositingQuality = CompositingQuality.Default;
}
/// <summary>
/// 旋转图片
/// </summary>
@ -304,79 +266,6 @@ namespace Sunny.UI
return dst;
}
/// <summary>
/// 设置递进颜色
/// </summary>
/// <param name="color">颜色</param>
/// <param name="alpha">alpha</param>
/// <returns>颜色</returns>
public static Color StepColor(this Color color, int alpha)
{
if (alpha == 100)
{
return color;
}
byte a = color.A;
byte r = color.R;
byte g = color.G;
byte b = color.B;
float bg;
int _alpha = Math.Max(alpha, 0);
double d = (_alpha - 100.0) / 100.0;
if (d > 100)
{
// blend with white
bg = 255.0F;
d = 1.0F - d; // 0 = transparent fg; 1 = opaque fg
}
else
{
// blend with black
bg = 0.0F;
d = 1.0F + d; // 0 = transparent fg; 1 = opaque fg
}
r = (byte)(BlendColor(r, bg, d));
g = (byte)(BlendColor(g, bg, d));
b = (byte)(BlendColor(b, bg, d));
return Color.FromArgb(a, r, g, b);
}
private static double BlendColor(double fg, double bg, double alpha)
{
double result = bg + (alpha * (fg - bg));
if (result < 0.0)
{
result = 0.0;
}
if (result > 255)
{
result = 255;
}
return result;
}
/// <summary>
/// 文件转换为Byte数组
/// </summary>
/// <param name="filename">文件名</param>
/// <returns>结果</returns>
public static byte[] FileToBytes(this string filename)
{
if (!File.Exists(filename))
{
return null;
}
return File.ReadAllBytes(filename);
}
/// <summary>
/// 缩放图像
/// </summary>
@ -402,16 +291,6 @@ namespace Sunny.UI
return b;
}
/// <summary>
/// Byte数组保存为文件
/// </summary>
/// <param name="bytes">bytes</param>
/// <param name="filename">文件名</param>
public static void ToFile(this byte[] bytes, string filename)
{
File.WriteAllBytes(filename, bytes);
}
/// <summary>
/// Serializes the image in an byte array
/// </summary>

2
SunnyUI/SunnyUI.csproj
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@ -15,7 +15,7 @@
<PackageId>SunnyUI</PackageId>
<PackageProjectUrl>https://gitee.com/yhuse/SunnyUI</PackageProjectUrl>
<RepositoryUrl>https://gitee.com/yhuse/SunnyUI</RepositoryUrl>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<GeneratePackageOnBuild>false</GeneratePackageOnBuild>
<PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
<PackageIcon>SunnyUI.png</PackageIcon>
</PropertyGroup>