| public SetFillColor ( float components ) : void | ||
| components | float | |
| Результат | void | |
public static void FillEllipsis(CGContext context, RectangleF rect, CGColor color, float lineWidth)
{
context.SaveState();
context.SetFillColor(color);
context.AddEllipseInRect(rect);
context.FillPath();
context.RestoreState();
}
public override void DrawInContext (CGContext context)
{
base.DrawInContext (context);
context.AddEllipseInRect (Bounds);
context.SetFillColor (ClockColor);
context.FillPath ();
}
public static void FillRect(CGContext context, RectangleF rect, CGColor color)
{
context.SaveState();
context.AddRect(rect);
context.Clip();
context.SetFillColor(color);
context.FillRect(rect);
context.RestoreState();
}
void RenderPixels(CGContext context, int x, int y, Edge edge32, Edge edge13, Edge edge21, int w1, int w2, int w3)
{
//VertexInterpoliation = A * x + B * y + C;
// float alpha = (edge32.A * x + edge32.B * y + edge32.C) * edge32.VertexFactor;
// float beta = (edge13.A * x + edge13.B * y + edge13.C) * edge13.VertexFactor;
// float gamma = (edge21.A * x + edge21.B * y + edge21.C) * edge21.VertexFactor;
// Determine barycentric coordinates
float alpha = (float)(w1 * edge32.VertexFactor);
float beta = (float)(w2 * edge13.VertexFactor);
float gamma = (float)(w3 * edge21.VertexFactor);
GradientLerp3 (alpha, beta, gamma);
// Set the color
context.SetFillColor (colorOutput [0], colorOutput [1], colorOutput [2], colorOutput [3]);
// Set our pixel location
pixelRect.X = x;
pixelRect.Y = y;
// Fill the pixel
context.FillRect (pixelRect);
}
void HatchDottedDiamond(CGContext context)
{
var hatchWidth = getHatchWidth (hatchStyle);
var hatchHeight = getHatchHeight (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchHeight, false);
/* draw background */
drawBackground (context, backColor, hatchWidth, hatchHeight);
/* draw lines in the foreground color */
context.SetFillColor(foreColor.ToCGColor());
context.SetStrokeColor(foreColor.ToCGColor());
context.SetLineWidth(lineWidth);
context.SetLineCap(CGLineCap.Square);
float halfMe = hatchWidth / 2.0f;
float quarter = halfMe / 2.0f;
// this is really just 6 dots that when tiled will
// create the effect we are looking for
RectangleF rect = new RectangleF(0,0,1,1);
setPixels(context, rect);
rect.Y = halfMe;
setPixels(context, rect);
rect.X = halfMe;
setPixels(context, rect);
rect.Y = 0;
setPixels(context, rect);
rect.X = quarter;
rect.Y = quarter;
setPixels(context, rect);
rect.X = halfMe + quarter;
rect.Y = halfMe + quarter;
setPixels(context, rect);
}
void HatchDivot(CGContext context)
{
var hatchWidth = getHatchWidth (hatchStyle);
var hatchHeight = getHatchHeight (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchHeight, false);
/* draw background */
drawBackground (context, backColor, hatchWidth, hatchHeight);
/* draw lines in the foreground color */
context.SetFillColor(foreColor.ToCGColor());
context.SetStrokeColor(foreColor.ToCGColor());
context.SetLineWidth(lineWidth);
context.SetLineCap(CGLineCap.Square);
float halfMe = hatchWidth / 2.0f;
// draw a little wirly thingy
RectangleF rect = new RectangleF(0,0,1,1);
setPixels(context, rect);
rect.X += 1;
rect.Y += 1;
setPixels(context, rect);
rect.X -= 1;
rect.Y += 1;
setPixels(context, rect);
// now top one
rect.X = halfMe;// + HALF_PIXEL_X;
rect.Y = halfMe;// + HALF_PIXEL_Y;
setPixels(context, rect);
rect.X -= 1;
rect.Y += 1;
setPixels(context, rect);
rect.X += 1;
rect.Y += 1;
setPixels(context, rect);
}
void HatchConfetti(CGContext context)
{
var hatchWidth = getHatchWidth (hatchStyle);
var hatchHeight = getHatchHeight (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchHeight, false);
/* draw background */
drawBackground (context, backColor, hatchWidth, hatchHeight);
/* draw confetti Rectangles in the foreground color */
context.SetFillColor(foreColor.ToCGColor());
RectangleF rect = new RectangleF(0,0,2,2);
// Do not see a mathematical equation so will just set
// the same ones as in windows pattern.
if (hatchStyle == HatchStyle.LargeConfetti)
{
setPixels(context, rect);
rect.X = 2;
rect.Y = 2;
setPixels(context, rect);
rect.X = 5;
rect.Y = 1;
setPixels(context, rect);
rect.X = 6;
rect.Y = 4;
setPixels(context, rect);
rect.X = 4;
rect.Y = 6;
setPixels(context, rect);
rect.X = 1;
rect.Y = 5;
setPixels(context, rect);
}
else
{
rect.Width = 1;
rect.Height = 1;
setPixels(context, rect);
rect.X = 3;
rect.Y = 1;
setPixels(context, rect);
rect.X = 6;
rect.Y = 2;
setPixels(context, rect);
rect.X = 2;
rect.Y = 3;
setPixels(context, rect);
rect.X = 7;
rect.Y = 4;
setPixels(context, rect);
rect.X = 4;
rect.Y = 5;
setPixels(context, rect);
rect.X = 1;
rect.Y = 6;
setPixels(context, rect);
rect.X = 5;
rect.Y = 7;
setPixels(context, rect);
}
}
void HatchCheckered(CGContext context)
{
var hatchWidth = getHatchWidth (hatchStyle);
var hatchHeight = getHatchHeight (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchHeight, false);
/* draw background */
drawBackground (context, backColor, hatchWidth, hatchHeight);
context.SetFillColor(foreColor.ToCGColor());
RectangleF rect = new RectangleF(0,0,hatchWidth / 2.0f,hatchHeight / 2.0f);
setPixels(context, rect);
rect.X = hatchWidth / 2.0f;
rect.Y = hatchHeight / 2.0f;
setPixels(context, rect);
}
void HatchPlaid(CGContext context)
{
var hatchWidth = getHatchWidth (hatchStyle);
var hatchHeight = getHatchHeight (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchHeight, false);
/* draw background */
drawBackground (context, backColor, hatchWidth, hatchHeight);
/* draw lines in the foreground color */
context.SetFillColor(foreColor.ToCGColor());
context.SetStrokeColor(foreColor.ToCGColor());
context.SetLineWidth(lineWidth);
context.SetLineCap(CGLineCap.Square);
float halfMe = hatchWidth / 2.0f;
RectangleF rect = new RectangleF(0,0,1,1);
// fraw the alternating pattern for half of area
int x = 0;
int y = 0;
for (y = 0; y<halfMe; y+=2)
{
for (x = 1; x < hatchWidth; x+=2)
{
rect.X = x;
rect.Y = y;
setPixels(context, rect);
}
}
for (y = 1; y<halfMe; y+=2)
{
for (x = 0; x < hatchWidth; x+=2)
{
rect.X = x;
rect.Y = y;
setPixels(context, rect);
}
}
// draw a square
rect.X = 0;
rect.Y = halfMe;
rect.Width = halfMe;
rect.Height = halfMe;
setPixels(context, rect);
}
/**
* Percentage patterns were obtained by creating a screen shot from a windows fill
* and looking at the patterns at the pixel level. A little tedious to say the least
* but they do seem correct and recreate the same pattern from windows to here.
*/
protected void HatchPercentage(CGContext context)
{
var hatchWidth = getHatchWidth (hatchStyle);
var hatchHeight = getHatchHeight (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchHeight, false);
/* some patterns require us to reverse the colors */
switch (hatchStyle) {
case HatchStyle.Percent05:
case HatchStyle.Percent10:
case HatchStyle.Percent20:
case HatchStyle.Percent25:
case HatchStyle.Percent30:
drawBackground (context, backColor, hatchWidth, hatchWidth);
context.SetFillColor(foreColor.ToCGColor());
break;
default:
drawBackground (context, foreColor, hatchWidth, hatchWidth);
context.SetFillColor(backColor.ToCGColor());
break;
}
// create a work rectangle for setting pixels
RectangleF rect = new RectangleF(0,0,1,1);
// Only set the pixels for some
if (hatchStyle != HatchStyle.Percent50 &&
hatchStyle != HatchStyle.Percent40 &&
hatchStyle != HatchStyle.Percent30 &&
hatchStyle != HatchStyle.Percent60)
{
rect.X = 0;
rect.Y = (int)(hatchHeight / 2.0f);
setPixels(context, rect);
rect.X = (int)(hatchWidth / 2.0f);
rect.Y = 0;
setPixels(context, rect);
}
// 50 and 40 start out the same with a 50 percent
if (hatchStyle == HatchStyle.Percent50 ||
hatchStyle == HatchStyle.Percent40 )
{
int x = 0;
int y = 0;
for (y = 0; y<hatchHeight; y+=2)
{
for (x = 1; x < hatchWidth; x+=2)
{
rect.X = x;
rect.Y = y;
setPixels(context, rect);
}
}
for (y = 1; y<hatchHeight; y+=2)
{
for (x = 0; x < hatchWidth; x+=2)
{
rect.X = x;
rect.Y = y;
setPixels(context, rect);
}
}
// Percent40 is a 50 with two more dots set of back color
// within a set area. This creates an interesting effect
// of a double plus sign in opposite corners.
if (hatchStyle == HatchStyle.Percent40)
{
rect.X = 1;
rect.Y = 1;
setPixels(context, rect);
rect.X = 5;
rect.Y = 5;
setPixels(context, rect);
}
}
// Percent30 and Percent60 are really messed up so we will just set some dots
// to present the pattern. Percent60 is a 30 with colors reversed, go figure.
if (hatchStyle == HatchStyle.Percent30 ||
hatchStyle == HatchStyle.Percent60)
{
rect.X = 0;
rect.Y = 0;
setPixels(context, rect);
rect.X = 2;
rect.Y = 0;
setPixels(context, rect);
rect.X = 0;
rect.Y = 2;
setPixels(context, rect);
rect.X = 2;
rect.Y = 2;
setPixels(context, rect);
rect.X = 1;
rect.Y = 3;
setPixels(context, rect);
rect.X = 3;
rect.Y = 1;
setPixels(context, rect);
}
}
/**
* This is fill of hackish stuff.
* Thought this was going to be easier but that just did not work out.
**/
protected void HatchSphere(CGContext context)
{
var hatchSize = getHatchWidth (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchSize, false);
/* draw background in fore ground color*/
drawBackground (context, backColor, hatchSize, hatchSize);
context.SetStrokeColor(foreColor.ToCGColor());
context.SetFillColor(foreColor.ToCGColor());
context.SetLineWidth(1);
context.SetLineCap(CGLineCap.Square);
// Initialize work rectangle
RectangleF rect = new RectangleF(0,0,1,1);
float quad = hatchSize / 2.0f;
// Left lower quad
rect.Width = quad;
rect.Height = quad;
rect.X = 0;
rect.Y = 0;
context.StrokeRect(rect);
// right upper quad
rect.Width = quad;
rect.Height = quad;
rect.X = quad;
rect.Y = quad;
context.StrokeRect(rect);
// left upper quad
rect.Width = quad;
rect.Height = quad;
rect.X = 0;
rect.Y = quad + 1;
context.FillRect(rect);
// right lower quod
rect.Width = quad;
rect.Height = quad;
rect.X = quad + 1;
rect.Y = 0;
context.FillRect(rect);
// Now we fill in some corner bits with background
// This is a bad hack but now sure what else to do
context.SetFillColor(backColor.ToCGColor());
rect.Height = 1;
rect.Width = 1;
rect.X = 0;
rect.Y = 0;
setPixels(context, rect);
rect.X = 0;
rect.Y = quad;
setPixels(context, rect);
rect.X = 0;
rect.Y = quad;
setPixels(context, rect);
rect.X = quad;
rect.Y = 0;
setPixels(context, rect);
rect.X = quad;
rect.Y = quad;
setPixels(context, rect);
rect.X = quad;
rect.Y = hatchSize;
setPixels(context, rect);
rect.X = hatchSize;
rect.Y = 0;
setPixels(context, rect);
rect.X = hatchSize;
rect.Y = quad;
setPixels(context, rect);
rect.X = hatchSize;
rect.Y = hatchSize;
setPixels(context, rect);
// Now for the fake shiny thingys hack
// Probably could use a line here but it is already
// so hacky I will just use this.
rect.X = 5;
rect.Y = 3;
setPixels(context, rect);
rect.X = 6;
rect.Y = 3;
setPixels(context, rect);
rect.X = 1;
rect.Y = 7;
setPixels(context, rect);
rect.X = 2;
rect.Y = 7;
setPixels(context, rect);
}
void HatchWeave(CGContext context)
{
var hatchWidth = getHatchWidth (hatchStyle);
var hatchHeight = getHatchHeight (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchHeight, false);
/* draw background */
drawBackground (context, backColor, hatchWidth, hatchHeight);
/* draw lines in the foreground color */
context.SetFillColor(foreColor.ToCGColor());
/* draw lines in the foreground color */
context.SetStrokeColor(foreColor.ToCGColor());
context.SetLineWidth(lineWidth);
context.SetLineCap(CGLineCap.Square);
float halfWidth = hatchWidth / 2.0f;
float halfHeight = hatchHeight / 2.0f;
RectangleF rect = new RectangleF(0,0,1,1);
// Add upward diagonals
context.MoveTo(0,0);
context.AddLineToPoint(halfWidth, halfHeight);
context.StrokePath();
context.MoveTo(0, halfHeight);
context.AddLineToPoint(halfWidth -1, hatchHeight - 1);
context.StrokePath();
context.MoveTo(halfWidth, 0);
context.AddLineToPoint(6, 2);
context.StrokePath();
// context.MoveTo(0, 4);
// context.AddLineToPoint(2, 2);
// context.StrokePath();
context.MoveTo(2,6);
context.AddLineToPoint(7, 1);
context.StrokePath();
}
// Purple poka dots test
protected void DrawPolkaDotPattern(CGContext context)
{
context.SetFillColor(Color.Purple.ToCGColor());
context.FillEllipseInRect (new RectangleF (4, 4, 8, 8));
}
void HatchWave(CGContext context)
{
var hatchWidth = getHatchWidth (hatchStyle);
var hatchHeight = getHatchHeight (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchHeight, false);
/* draw background */
drawBackground (context, backColor, hatchWidth, hatchHeight);
/* draw lines in the foreground color */
context.SetFillColor(foreColor.ToCGColor());
RectangleF rect = new RectangleF(0,0,1,1);
// We could maybe draw some arcs here but there are so few pixels
// that it just is not worth it.
rect.X = 1;
setPixels(context, rect);
rect.X = 2;
setPixels(context, rect);
rect.Y = 1;
rect.X = 0;
setPixels(context, rect);
rect.X = 3;
setPixels(context, rect);
rect.X = 6;
setPixels(context, rect);
rect.Y = 2;
rect.X = 4;
setPixels(context, rect);
rect.X = 5;
setPixels(context, rect);
}
void HatchSolidDiamond(CGContext context)
{
var hatchWidth = getHatchWidth (hatchStyle);
var hatchHeight = getHatchHeight (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchHeight, false);
/* draw background */
drawBackground (context, backColor, hatchWidth, hatchHeight);
/* draw lines in the foreground color */
context.SetFillColor(foreColor.ToCGColor());
context.SetStrokeColor(foreColor.ToCGColor());
context.SetLineWidth(lineWidth);
context.SetLineCap(CGLineCap.Square);
float halfMe = hatchWidth / 2.0f;
// We will paint two triangles from corners meeting in the middle
// make sure to offset by half pixels so that the point is actually a point.
context.MoveTo(-HALF_PIXEL_X,HALF_PIXEL_Y);
context.AddLineToPoint(2+HALF_PIXEL_X, halfMe - HALF_PIXEL_Y);
context.AddLineToPoint(-HALF_PIXEL_X, hatchHeight- (1.0f + HALF_PIXEL_Y));
context.ClosePath();
context.FillPath();
// now we do the right one
context.MoveTo(hatchWidth,HALF_PIXEL_Y);
context.AddLineToPoint(halfMe+HALF_PIXEL_X, halfMe - HALF_PIXEL_Y);
context.AddLineToPoint(hatchWidth, hatchHeight - (1.0f + HALF_PIXEL_Y));
context.ClosePath();
context.FillPath();
}
void HatchShingle(CGContext context)
{
var hatchWidth = getHatchWidth (hatchStyle);
var hatchHeight = getHatchHeight (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchHeight, false);
/* draw background */
drawBackground (context, backColor, hatchWidth, hatchHeight);
/* draw lines in the foreground color */
context.SetFillColor(foreColor.ToCGColor());
context.SetStrokeColor(foreColor.ToCGColor());
context.SetLineWidth(lineWidth);
context.SetLineCap(CGLineCap.Square);
float halfMe = hatchWidth / 2.0f;
// We are basically going to draw a lamda sign
// Draw base
context.MoveTo(0,0);
context.AddLineToPoint(halfMe,halfMe-HALF_PIXEL_Y);
context.AddLineToPoint(hatchWidth, HALF_PIXEL_Y);
context.StrokePath();
// draw the first part of tail
context.MoveTo(halfMe + HALF_PIXEL_X, halfMe);
context.AddLineToPoint(halfMe + HALF_PIXEL_X, halfMe + 1);
context.StrokePath();
// now the last curl on the tail
RectangleF rect = new RectangleF(1,hatchHeight-1,1,1);
setPixels(context, rect);
rect.X += 1;
setPixels(context, rect);
rect.X += 1;
rect.Y -= 1;
setPixels(context, rect);
}
public static void EOFillPath(CGContext context, CGPath path, CGColor color)
{
context.SaveState();
context.SetFillColor(color);
context.AddPath(path);
context.EOFillPath();
context.RestoreState();
}
void HatchHorizontalBrick(CGContext context)
{
var hatchWidth = getHatchWidth (hatchStyle);
var hatchHeight = getHatchHeight (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchHeight, false);
/* draw background */
drawBackground (context, backColor, hatchWidth, hatchHeight);
/* draw lines in the foreground color */
context.SetFillColor(foreColor.ToCGColor());
/* draw lines in the foreground color */
context.SetStrokeColor(foreColor.ToCGColor());
context.SetLineWidth(lineWidth);
context.SetLineCap(CGLineCap.Square);
RectangleF rect = new RectangleF(0,0,1,1);
rect.Y = 3;
rect.Width = hatchWidth;
rect.Height = hatchHeight - 4;
context.StrokeRect(rect);
context.MoveTo(hatchWidth / 2.0f, 0);
context.AddLineToPoint(hatchWidth / 2.0f,3);
context.StrokePath();
}
public static void DrawText(CGContext context, string text, string fontName, float fontSize, float translateHeight, float x, float y)
{
context.SaveState();
context.SelectFont(fontName, fontSize, CGTextEncoding.MacRoman);
context.SetTextDrawingMode(CGTextDrawingMode.Fill);
context.SetFillColor(new CGColor(1, 1));
context.SetStrokeColor(new CGColor(1.0f, 1.0f));
//context.AddRect(rectText);
//context.Clip();
context.TextMatrix = CGAffineTransform.MakeScale(1.0f, -1.0f);
context.TranslateCTM(0, translateHeight);
context.ScaleCTM(1, -1);
context.ShowTextAtPoint(x, y, text);
context.RestoreState();
}
void drawBackground(CGContext context, Color color, float width, float height)
{
context.SetFillColor(color.ToCGColor());
context.FillRect(new RectangleF(HALF_PIXEL_X, HALF_PIXEL_Y, width+HALF_PIXEL_X, height+HALF_PIXEL_Y));
context.FillPath();
}
protected void HatchUpwardDiagonal(CGContext context)
{
var hatchSize = getHatchWidth (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
if (hatchStyle != HatchStyle.ForwardDiagonal &&
hatchStyle != HatchStyle.BackwardDiagonal)
{
initializeContext(context, hatchSize, false);
}
else {
initializeContext(context, hatchSize, true);
}
/* draw background */
drawBackground (context, backColor, hatchSize, hatchSize);
/* draw lines in the foreground color */
context.SetStrokeColor(foreColor.ToCGColor());
context.SetFillColor(foreColor.ToCGColor());
context.SetLineWidth(1);
context.SetLineCap(CGLineCap.Square);
context.MoveTo(0,0);
context.AddLineToPoint(hatchSize,hatchSize);
/* draw a diagonal line for as many times as linewidth*/
for (int l = 0; l < lineWidth; l++)
{
/* draw a diagonal line */
context.MoveTo(l,0);
context.AddLineToPoint(hatchSize, hatchSize-l);
context.StrokePath();
}
/**
* because we are within a rectangular pattern we have to complete the tip of the preceeding line
* pattern
*/
for (int k = 1; k < lineWidth; k++)
{
/* draw a diagonal line */
context.MoveTo(0,hatchSize-k);
context.AddLineToPoint(k-1, hatchSize-1);
context.StrokePath();
}
}
void HatchOutlinedDiamond(CGContext context)
{
var hatchWidth = getHatchWidth (hatchStyle);
var hatchHeight = getHatchHeight (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchHeight, false);
/* draw background */
drawBackground (context, backColor, hatchWidth, hatchHeight);
/* draw lines in the foreground color */
context.SetFillColor(foreColor.ToCGColor());
context.SetStrokeColor(foreColor.ToCGColor());
context.SetLineWidth(lineWidth);
context.SetLineCap(CGLineCap.Square);
// this is really just two diagonal lines from each corner too
// their opposite corners.
context.MoveTo(0,0);
context.AddLineToPoint(hatchWidth, hatchHeight);
context.StrokePath();
context.MoveTo(1,hatchHeight);
context.AddLineToPoint(hatchWidth, 1);
context.StrokePath();
}
