public static void SetupNinePatch(UIPrimitive primitive, float width, float height, float offsetX, float offsetY, ImageRect imageRect, NinePatchMargin ninePatchMargin)
{
if (primitive.MaxVertexCount < 16)
{
throw new ArgumentOutOfRangeException("primitive", "UIPrimitive MaxVertexCount is out of range.");
}
if (primitive.MaxIndexCount < 28)
{
throw new ArgumentOutOfRangeException("primitive", "UIPrimitive MaxIndexCount is out of range.");
}
if (primitive.Image != null)
{
float[] array = new float[]
{
0f,
(float)ninePatchMargin.Left,
width - (float)ninePatchMargin.Right,
width
};
float[] array2 = new float[]
{
0f,
(float)ninePatchMargin.Top,
height - (float)ninePatchMargin.Bottom,
height
};
if (array[1] > width)
{
array[1] = width;
}
if (array[2] < 0f)
{
array[2] = 0f;
}
if (array[1] > array[2])
{
array[1] = (array[2] = (array[1] + array[2]) / 2f);
}
if (array2[1] > height)
{
array2[1] = height;
}
if (array2[2] < 0f)
{
array2[2] = 0f;
}
if (array2[1] > array2[2])
{
array2[1] = (array2[2] = (array2[1] + array2[2]) / 2f);
}
int num = 0;
int num2 = 0;
int width2 = primitive.Image.Width;
int height2 = primitive.Image.Height;
int num3 = width2;
int num4 = height2;
if (imageRect.X < width2 && imageRect.Y < height2 && imageRect.Width > 0 && imageRect.Height > 0)
{
if (imageRect.X > 0)
{
num = imageRect.X;
}
num3 = num + imageRect.Width;
if (num3 > width2)
{
num3 = width2;
}
if (imageRect.Y > 0)
{
num2 = imageRect.Y;
}
num4 = num2 + imageRect.Height;
if (num4 > height2)
{
num4 = height2;
}
}
float num5 = (float)width2;
float num6 = (float)height2;
float num7 = ((float)ninePatchMargin.Left < array[1] - array[0]) ? ((float)(num + ninePatchMargin.Left)) : ((float)num + array[1] - array[0]);
float num8 = ((float)ninePatchMargin.Right < array[3] - array[2]) ? ((float)(num3 - ninePatchMargin.Right)) : ((float)num3 - (array[3] - array[2]));
float num9 = ((float)ninePatchMargin.Top < array2[1] - array2[0]) ? ((float)(num2 + ninePatchMargin.Top)) : ((float)num2 + array2[1] - array2[0]);
float num10 = ((float)ninePatchMargin.Bottom < array2[3] - array2[2]) ? ((float)(num4 - ninePatchMargin.Bottom)) : ((float)num4 - (array2[3] - array2[2]));
float[] array3 = new float[]
{
(float)num / num5,
num7 / num5,
num8 / num5,
(float)num3 / num5
};
float[] array4 = new float[]
{
(float)num2 / num6,
num9 / num6,
num10 / num6,
(float)num4 / num6
};
if (array3[2] < array3[0])
{
array3[2] = array3[0];
}
if (array4[2] < array4[0])
{
array4[2] = array4[0];
}
if (array3[1] > array3[3])
{
array3[1] = array3[3];
}
if (array4[1] > array4[3])
{
array4[1] = array4[3];
}
primitive.VertexCount = 16;
primitive.SetIndices(new ushort[]
{
0,
4,
1,
5,
2,
6,
3,
7,
7,
4,
4,
8,
5,
9,
6,
10,
7,
11,
11,
8,
8,
12,
9,
13,
10,
14,
11,
15
});
primitive.IndexCount = 28;
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
UIPrimitiveVertex vertex = primitive.GetVertex(i * 4 + j);
vertex.X = array[j] + offsetX;
vertex.Y = array2[i] + offsetY;
vertex.U = array3[j];
vertex.V = array4[i];
}
}
}
}
public static void SetupVerticalThreePatch(UIPrimitive primitive, float width, float height, float offsetX, float offsetY, float topMargin, float bottomMargin)
{
if (primitive.MaxVertexCount < 8)
{
throw new ArgumentOutOfRangeException("primitive", "UIPrimitive MaxVertexCount is out of range.");
}
if (primitive.Image != null)
{
int height2 = primitive.Image.Height;
if ((float)height2 == 0f)
{
return;
}
float num = (float)height2;
float[] array = new float[]
{
0f,
width
};
float[] array2 = new float[]
{
0f,
(topMargin < height) ? topMargin : height,
(bottomMargin < height) ? (height - bottomMargin) : 0f,
height
};
if (array2[1] > array2[2])
{
array2[1] = (array2[2] = (array2[1] + array2[2]) / 2f);
}
float[] array3 = new float[]
{
0f,
1f
};
float num2 = (topMargin < array2[1]) ? topMargin : array2[1];
float num3 = (bottomMargin < height - array2[2]) ? bottomMargin : (height - array2[2]);
float[] array4 = new float[]
{
0f,
num2 / num,
(num - num3) / num,
1f
};
if (array4[2] < 0f)
{
array4[2] = 0f;
}
if (array4[1] > 1f)
{
array4[1] = 1f;
}
primitive.VertexCount = 8;
primitive.SetIndices(new ushort[]
{
0,
1,
2,
3,
4,
5,
6,
7
});
primitive.IndexCount = 8;
for (int i = 0; i < 4; i++)
{
for (int j = 1; j >= 0; j--)
{
UIPrimitiveVertex vertex = primitive.GetVertex(i * 2 + j);
vertex.X = array[j] + offsetX;
vertex.Y = array2[i] + offsetY;
vertex.U = array3[j];
vertex.V = array4[i];
}
}
}
}
public static void SetupHorizontalThreePatch(UIPrimitive primitive, float width, float height, float offsetX, float offsetY, float leftMargin, float rightMargin)
{
if (primitive.MaxVertexCount < 8)
{
throw new ArgumentOutOfRangeException("primitive", "UIPrimitive MaxVertexCount is out of range.");
}
if (primitive.Image != null)
{
int width2 = primitive.Image.Width;
if ((float)width2 == 0f)
{
return;
}
float num = (float)width2;
float[] array = new float[]
{
0f,
(leftMargin < width) ? leftMargin : width,
(rightMargin < width) ? (width - rightMargin) : 0f,
width
};
if (array[1] > array[2])
{
array[1] = (array[2] = (array[1] + array[2]) / 2f);
}
float[] array2 = new float[]
{
0f,
height
};
float num2 = (leftMargin < array[1]) ? leftMargin : array[1];
float num3 = (rightMargin < width - array[2]) ? rightMargin : (width - array[2]);
float[] array3 = new float[]
{
0f,
num2 / num,
(num - num3) / num,
1f
};
float[] array4 = new float[]
{
0f,
1f
};
if (array3[2] < 0f)
{
array3[2] = 0f;
}
if (array3[1] > 1f)
{
array3[1] = 1f;
}
primitive.VertexCount = 8;
primitive.SetIndices(new ushort[]
{
0,
4,
1,
5,
2,
6,
3,
7
});
primitive.IndexCount = 8;
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 4; j++)
{
UIPrimitiveVertex vertex = primitive.GetVertex(i * 4 + j);
vertex.X = array[j] + offsetX;
vertex.Y = array2[i] + offsetY;
vertex.U = array3[j];
vertex.V = array4[i];
}
}
}
}
