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Added random opacity option

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This commit is contained in:
Jaex 2019-12-09 12:26:42 +03:00
parent f07a90a910
commit 612ccc8ecc
1 changed files with 29 additions and 2 deletions
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31
ShareX.ImageEffectsLib/Drawings/DrawRandomImages.cs
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@ -29,6 +29,7 @@
using System.Drawing;
using System.Drawing.Design;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
@ -73,6 +74,15 @@ public int ImageCount
[DefaultValue(360)]
public int RandomRotateMax { get; set; }
[DefaultValue(false)]
public bool RandomOpacity { get; set; }
[DefaultValue(0)]
public int RandomOpacityMin { get; set; }
[DefaultValue(100)]
public int RandomOpacityMax { get; set; }
public DrawRandomImages()
{
this.ApplyDefaultPropertyValues();
@ -140,12 +150,29 @@ private void DrawImage(Image img, Image img2, Graphics g)
{
float moveX = rect.X + (rect.Width / 2f);
float moveY = rect.Y + (rect.Height / 2f);
int rotate = MathHelpers.Random(Math.Min(RandomRotateMin, RandomRotateMax), Math.Max(RandomRotateMin, RandomRotateMax));
g.TranslateTransform(moveX, moveY);
g.RotateTransform(MathHelpers.Random(Math.Min(RandomRotateMin, RandomRotateMax), Math.Max(RandomRotateMin, RandomRotateMax)));
g.RotateTransform(rotate);
g.TranslateTransform(-moveX, -moveY);
}
g.DrawImage(img2, rect);
if (RandomOpacity)
{
float opacity = MathHelpers.Random(Math.Min(RandomOpacityMin, RandomOpacityMax), Math.Max(RandomOpacityMin, RandomOpacityMax)).Clamp(0, 100) / 100f;
ColorMatrix matrix = new ColorMatrix();
matrix.Matrix33 = opacity;
using (ImageAttributes attributes = new ImageAttributes())
{
attributes.SetColorMatrix(matrix);
g.DrawImage(img2, rect, 0, 0, img2.Width, img2.Height, GraphicsUnit.Pixel, attributes);
}
}
else
{
g.DrawImage(img2, rect);
}
if (RandomRotate)
{