protected void DrawBackgroundImage(PaintEventArgs e, int alpha, string suffix)
{
int width = Convert.ToInt32(Math.Ceiling(Width / 16f) * 16);
using (Bitmap image = (Bitmap)GUIUtilities.VariableSizeImageRoundButton(BackgroundImagePrefix + suffix, "", width))
{
if (image == null)
{
if (!this.DesignMode)
{
Utilities.LogSubError("RoundButton::DrawBackgroundImage failed to load image for suffix = " + suffix);
}
return;
}
if (alpha == 255)
{
e.Graphics.DrawImage(image, new Rectangle(0, 0, Width, Height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel);
}
else
{
using (System.Drawing.Imaging.ImageAttributes objAttr = GUIUtilities.GetImageAttrForAlpha(alpha))
{
e.Graphics.DrawImage(image, new Rectangle(0, 0, Width, Height), objAttr);
}
}
}
}
protected override void InternalDraw(Canvas gr, DrawResources resources)
{
if (resources.Highlight)
{
using (var highlight = resources.Graphics.CreateStroke(CurrentHighlightColour, resources.HIGHLIGHTEXTRAWIDTH))
{
gr.DrawLines(Vertices, highlight);
gr.DrawLine(Vertices[3], Vertices[0], highlight);
//gr.DrawRectangleF(pnHighlight, m_Bounds)
}
}
else
{
RectangleF source = new RectangleF(PointF.Empty, m_ImageSize);
if (!m_Data.Content.IsLightweight && !m_Data.Content.MemoryImage.IsSVG)
{ // can't remember why, but it was important to specify pixles - but can only apply to actual .net images (not resources or SVG)
var temp = GraphicsUnit.Pixel;
source = m_Data.Content.GetNetImage().GetBounds(ref temp);
}
if (m_Flip.Width == -1)
{
source.X += m_ImageSize.Width;
source.Width = -m_ImageSize.Width;
}
if (m_Flip.Height == -1)
{
source.Y += m_ImageSize.Height;
source.Height = -m_ImageSize.Height;
}
if (m_Data.Failed)
{
using (var red = resources.Graphics.CreateStroke(Color.Red))
{
gr.DrawLine(Vertices[0], Vertices[2], red);
gr.DrawLine(Vertices[1], Vertices[2], red);
}
}
else if (resources.FillAlpha < 1150 && !Utilities.Low_Graphics_Safe())
{
gr.DrawImage(m_Data.Content.MemoryImage, new[] { Vertices[0], Vertices[1], Vertices[3] }, source, GUIUtilities.GetImageAttrForAlpha(resources.FillAlpha));
}
else if (IsOrthogonal())
{
//Faster to use this version
gr.DrawImage(m_Data.Content.MemoryImage, Bounds, source);
}
else
{
gr.DrawImage(m_Data.Content.MemoryImage, new[] { Vertices[0], Vertices[1], Vertices[3] }, source);
}
}
}
