public override void ClearToColor(color c)
{
Size2I size = Graphics.DeviceContext.SizeInPixels;
Graphics.UseDefaultBrush();
Graphics.SetDefaultBrushColor(GetColorref(c));
Graphics.DeviceContext.Rectangle(0, 0, size.width, size.height);
}
void setGradient(int x, int y, float w, float h, color c1, color c2, int axis)
{
float deltaR = red(c2) - red(c1);
float deltaG = green(c2) - green(c1);
float deltaB = blue(c2) - blue(c1);
// choose axis
if (axis == Y_AXIS)
{
for (int i = x; i <= (x + w); i++)
{
// row
for (int j = y; j <= (y + h); j++)
{
color c = color((int)(red(c1) + (j - y) * (deltaR / h)),
(int)(green(c1) + (j - y) * (deltaG / h)),
(int)(blue(c1) + (j - y) * (deltaB / h)));
set(i, j, c);
}
}
}
else if (axis == X_AXIS)
{
// column
for (int i = y; i <= (y + h); i++)
{
// row
for (int j = x; j <= (x + w); j++)
{
color c = color((int)(red(c1) + (j - x) * (deltaR / h)),
(int)(green(c1) + (j - x) * (deltaG / h)),
(int)(blue(c1) + (j - x) * (deltaB / h)));
set(j, i, c);
}
}
}
}
// blue
public float blue(color c)
{
return c.blue;
}
// blendColor
public color blendColor(color c1, color c2, BLENDMODE mode)
{
return new color(c1.red, c1.green, c1.blue);
}
// alpha
public float alpha(color c)
{
return c.alpha;
}
public void stroke(color c)
{
byte red = (byte)Math.Round(lerp(0, 255, norm(c.red, 0, fColorRange.r)));
byte green = (byte)Math.Round(lerp(0, 255, norm(c.green, 0, fColorRange.g)));
byte blue = (byte)Math.Round(lerp(0, 255, norm(c.blue, 0, fColorRange.b)));
byte alpha = (byte)Math.Round(lerp(0, 255, norm(c.alpha, 0, fColorRange.a)));
color newColor = new color(red, green, blue, alpha);
// Clamp the color to the color range
strokeColor = newColor;
useStroke = true;
ResetPen();
}
public override void SetPixel(float x, float y, color c)
{
Graphics.BeginDraw();
Graphics.DrawLine(new Point2F(x, y), new Point2F(x, y), fStrokeBrush, strokeWidth);
Graphics.EndDraw();
}
// image
// imageMode
// loadImage
// noTint
// requestImage
// tint
#endregion Loading & Displaying
#region Pixels
// blend
// copy
// filter
// get
// loadPixels
// pixels
// set
public void set(int x, int y, color c)
{
Renderer.SetPixel(x, y, c);
}
public void background(color c)
{
backgroundColor = c;
Renderer.ClearToColor(c);
ResetPen();
ResetBrush();
}
public void background(color c, int alpha)
{
color newColor = new color(c.red, c.green, c.blue, (byte)alpha);
background(newColor);
}
public PLang(PRenderer rndr)
{
colorMode(RGB, 255);
// Stroke default
fStrokeWeight = 1;
fStrokeJoin = ROUND;
fStrokeEndCap = SQUARE;
strokeColor = new color(0, 0, 0, 255);
useStroke = true;
// Fill Default
fFillColor = new color(255, 255, 255, 255);
useFill = true;
backgroundColor = new color(255, 255, 255, 255);
fRectMode = CORNER;
fEllipseMode = CENTER;
fShapeMode = NOSHAPE;
SetRenderer(rndr);
}
public abstract void SetPixel(float x, float y, color c);
public abstract void ClearToColor(color c);
void createGradient(float x, float y, float radius, color c1, color c2)
{
float px = 0;
float py = 0;
float angle = 0;
// calculate differences between color components
float deltaR = red(c2) - red(c1);
float deltaG = green(c2) - green(c1);
float deltaB = blue(c2) - blue(c1);
float gapFiller = 8;
for (int i = 0; i < radius; i++)
{
for (float j = 0; j < 360; j += 1.0f / gapFiller)
{
px = x + cos(radians(angle)) * i;
py = y + sin(radians(angle)) * i;
angle += 1.0f / gapFiller;
color c = color(
((int)red(c1) + (i) * (deltaR / radius)),
((int)green(c1) + (i) * (deltaG / radius)),
((int)blue(c1) + (i) * (deltaB / radius)));
set((int)px, (int)py, c);
}
}
// adds smooth edges
// hack anti-aliasing
noFill();
strokeWeight(3);
ellipse(x, y, radius * 2, radius * 2);
}
// green
public float green(color c)
{
return c.green;
}
public void fill(color c, int alpha)
{
color newColor = new color(c.red, c.green, c.blue, (byte)alpha);
fill(c);
}
// hue
// lerpColor
// red
public float red(color c)
{
return c.red;
}
public void fill(color c)
{
fFillColor = c;
useFill = true;
ResetBrush();
}
Colorref GetColorref(color c)
{
return Colorref.FromRGB(c.red, c.green, c.blue);
}
public void stroke(color c, int alpha)
{
color newColor = new color(c.red, c.green, c.blue, (byte)alpha);
stroke(newColor);
}
public override void SetPixel(float x, float y, color c)
{
Graphics.DeviceContext.SetPixel((int)x, (int)y, GetColorref(c));
}
public override void ClearToColor(color c)
{
}
