public static ColorF ColorLerp(ColorF from, Color to, float speed)
{
if (from == to) return from;
var r = FloatLerp(from.R, to.R, speed);
var g = FloatLerp(from.G, to.G, speed);
var b = FloatLerp(from.B, to.B, speed);
var a = FloatLerp(from.A, to.A, speed);
return ColorF.FromArgb(a, r, g, b);
}
private void SelectColorClick(object sender, EventArgs e)
{
colorDialog1.Color = System.Drawing.Color.Black;
if (colorDialog1.ShowDialog() != DialogResult.Cancel)
{
color1 = new ColorF(
colorDialog1.Color.R / 255F,
colorDialog1.Color.G / 255F,
colorDialog1.Color.B / 255F,
colorDialog1.Color.A / 255F);
colorLabel.Text = string.Format("R = {0}, G = {1}, B = {2}, A = {3}", color1.Red, color1.Green, color1.Blue, color1.Alpha);
}
}
public Button()
{
BackColor = Color.FromArgb(234, 234, 234);
BackgroundImageLayout = ImageLayout.Center;
BorderColor = Color.FromArgb(172, 172, 172);
BorderDisableColor = Color.FromArgb(217, 217, 217);
BorderHoverColor = Color.FromArgb(126, 180, 234);
BorderSelectColor = Color.FromArgb(51, 153, 255);
CanSelect = true;
DisableColor = Color.FromArgb(239, 239, 239);
Font = new Drawing.Font("Arial", 12);
ForeColor = Color.FromArgb(64, 64, 64);
ImageColor = Color.White;
HoverColor = Color.FromArgb(223, 238, 252);
TextAlign = ContentAlignment.MiddleCenter;
Size = new Drawing.Size(75, 23);
currentBackColor = BackColor;
}
private void gradiantBrushColor2Button_Click(object sender, EventArgs e)
{
colorDialog1.Color = System.Drawing.Color.Black;
if (colorDialog1.ShowDialog() != DialogResult.Cancel)
{
color2 = new ColorF(
colorDialog1.Color.R / 255F,
colorDialog1.Color.G / 255F,
colorDialog1.Color.B / 255F,
colorDialog1.Color.A / 255F);
gradBrushColor2Label.Text = string.Format("R = {0}, G = {1}, B = {2}, A = {3}", color2.Red, color2.Green, color2.Blue, color2.Alpha);
}
}
protected override void OnPaint(PaintEventArgs e)
{
if (Hovered)
scrollDestinationColor = ScrollHoverColor;
else
scrollDestinationColor = ScrollColor;
scrollCurrentColor = MathHelper.ColorLerp(scrollCurrentColor, scrollDestinationColor, 4);
if (scrollOrientation == ScrollOrientation.HorizontalScroll)
{
int backX = subtractButton.Location.X + subtractButton.Width;
e.Graphics.FillRectangle(BackColor, backX, 0, addButton.Location.X - backX, Height);
}
else
{
int backY = subtractButton.Location.Y + subtractButton.Height;
e.Graphics.FillRectangle(BackColor, 0, backY, Width, addButton.Location.Y - backY);
}
e.Graphics.FillRectangle(scrollCurrentColor, scrollRect.X, scrollRect.Y, scrollRect.Width, scrollRect.Height);
}
protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
// Back.
if (Enabled)
{
if (Hovered == false)
currentBackColor = MathHelper.ColorLerp(currentBackColor, BackColor, 5);
else
currentBackColor = MathHelper.ColorLerp(currentBackColor, HoverColor, 5);
}
else
currentBackColor = MathHelper.ColorLerp(currentBackColor, DisableColor, 5);
g.FillRectangle(new SolidBrush(currentBackColor), 0, 0, Width, Height);
// Border.
if (Enabled == false)
g.DrawRectangle(new Pen(BorderDisableColor), 0, 0, Width, Height);
else if (Hovered)
g.DrawRectangle(new Pen(BorderHoverColor), 0, 0, Width, Height);
else if (Focused)
g.DrawRectangle(new Pen(BorderSelectColor), 0, 0, Width, Height);
else
g.DrawRectangle(new Pen(BorderColor), 0, 0, Width, Height);
SolidBrush textBrush = new SolidBrush(ForeColor);
if (!Enabled) textBrush.Color = ForeColor + Color.FromArgb(0, 128, 128, 128);
if (Image != null && Image.uTexture != null)
{
var imageToPaint = Image;
var imageColorToPaint = ImageColor;
if (Hovered)
{
if (ImageHover != null)
imageToPaint = ImageHover;
if (ImageHoverColor != null)
imageColorToPaint = ImageHoverColor.Value;
}
switch (BackgroundImageLayout)
{
default:
case ImageLayout.None:
g.DrawTexture(imageToPaint, 0, 0, Image.Width, Image.Height, imageColorToPaint);
break;
case ImageLayout.Center:
g.DrawTexture(imageToPaint, Width / 2 - Image.Width / 2, Height / 2 - Image.Height / 2, Image.Width, Image.Height, imageColorToPaint);
break;
case ImageLayout.Stretch:
g.DrawTexture(imageToPaint, 0, 0, Width, Height, imageColorToPaint);
break;
case ImageLayout.Zoom:
// TODO: not working.
break;
}
}
g.DrawString(Text, Font, textBrush,
Padding.Left,
Padding.Top,
Width - Padding.Left - Padding.Right,
Height - Padding.Top - Padding.Bottom, TextAlign);
}
protected override void OnBackColorChanged(EventArgs e)
{
base.OnBackColorChanged(e);
backColorF = new ColorF(
BackColor.R / 256f,
BackColor.G / 256f,
BackColor.B / 256f,
1.0f);
backgroundBrush = new SolidBrush(BackColor);
}
public D2DShapesControl(IContainer components)
{
components.Add(this);
SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
UpdateStyles();
backColorF = new ColorF(
BackColor.R / 256f,
BackColor.G / 256f,
BackColor.B / 256f,
1.0f);
//Initialize the background render thread and synchronization objects
renderSyncObject = new object();
killThread = new ManualResetEvent(false);
ThreadStart ts = RenderThreadProcedure;
renderThread = new Thread( ts );
renderThread.Start();
}
public override void SetPen(IPen pen)
{
strokeWidth = pen.Width;
ColorF penColor = new ColorF(pen.Color.Red, pen.Color.Green, pen.Color.Blue,1);
fStrokeBrush = Graphics.CreateSolidColorBrush(penColor);
}
void IImageViewrCommon.ClearBackGround(Color color)
{
backgroundColor = new ColorF(color.ToArgb());
RenderScene();
}