Download or view GeneralPathExample.frink in plain text format
// Demonstrates and tests drawing curves.
// This renders the images used in the documentation of GeneralPath.
drawCubicWithEndpoints[p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y] :=
{
g1 = new graphics
// Draw endpoints
g1.color[0,0,1]
g1.fillRectCenter[p1x,p1y, .2,.2]
g1.fillRectCenter[p2x,p2y, .2,.2]
// Draw control points
g1.color[.5,.5,.5]
g1.fillRectCenter[c1x,c1y,.2,.2]
g1.fillRectCenter[c2x,c2y,.2,.2]
// Draw control lines
g1.color[.7,.7,.7]
g1.line[p1x,p1y,c1x,c1y]
g1.line[p2x,p2y,c2x,c2y]
// Draw the cubic curve
g1.color[0,0,0]
gp = new GeneralPath
gp.moveTo[p1x,p1y]
gp.cubicCurve[c1x,c1y, c2x,c2y, p2x,p2y]
g1.add[gp]
// g1.font["SansSerif", "plain", 1]
// g1.text["Cubic B\u00e9zier curve", 5, -6]
g1.show[]
g1.write["cubic.svg",500,400]
g1.write["cubic.png",300,200]
g1.write["cubic.jpg",500,400]
// g1.print[]
}
// Quadratic curve example
drawQuadraticWithEndpoints[p1x, p1y, c1x, c1y, p2x, p2y] :=
{
g1 = new graphics
// Draw endpoints
g1.color[0,0,1]
g1.fillRectCenter[p1x,p1y, .2,.2]
g1.fillRectCenter[p2x,p2y, .2,.2]
// Draw control points
g1.color[.5,.5,.5]
g1.fillRectCenter[c1x,c1y,.2,.2]
// Draw control lines
g1.color[.7,.7,.7]
g1.line[p1x,p1y,c1x,c1y]
g1.line[p2x,p2y,c1x,c1y]
// Draw the cubic curve
g1.color[0,0,0]
gp = new GeneralPath
gp.moveTo[p1x,p1y]
gp.quadratic[c1x,c1y, p2x,p2y]
g1.add[gp]
// g1.font["SansSerif", "plain", 1]
// g1.text["Cubic B\u00e9zier curve", 5, -6]
g1.show[]
g1.write["quadratic.svg",500,400]
g1.write["quadratic.png",300,150]
g1.write["quadratic.jpg",500,400]
// g1.print[]
}
drawCubicWithEndpoints[0,0, 3,3, 6,-5, 10,1]
drawQuadraticWithEndpoints[0,0, 2,4, 10,1]
Download or view GeneralPathExample.frink in plain text format
This is a program written in the programming language Frink.
For more information, view the Frink
Documentation or see More Sample Frink Programs.
Alan Eliasen was born 19966 days, 10 hours, 8 minutes ago.