7ef94ce784
Conflicts: arc.go curve/curve_test.go draw2dgl/gc.go draw2dimg/rgba_interpolation.go draw2dpdf/gc.go draw2dpdf/path_converter.go path_adder.go path_storage.go raster/raster_test.go vertex2d.go
73 lines
2.6 KiB
Go
73 lines
2.6 KiB
Go
// Copyright 2010 The draw2d Authors. All rights reserved.
|
|
// created: 21/11/2010 by Laurent Le Goff
|
|
|
|
// Package gopher draws a gopher avatar based on a svg of:
|
|
// https://github.com/golang-samples/gopher-vector/
|
|
package gopher
|
|
|
|
import (
|
|
"image/color"
|
|
|
|
"github.com/llgcode/draw2d"
|
|
"github.com/llgcode/draw2d/samples"
|
|
)
|
|
|
|
// Main draws a left hand and ear of a gopher. Afterwards it returns
|
|
// the filename. This should only be used during testing.
|
|
func Main(gc draw2d.GraphicContext, ext string) (string, error) {
|
|
gc.Save()
|
|
gc.Scale(0.5, 0.5)
|
|
// Draw a (partial) gopher
|
|
Draw(gc)
|
|
gc.Restore()
|
|
|
|
// Return the output filename
|
|
return samples.Output("gopher", ext), nil
|
|
}
|
|
|
|
// Draw a left hand and ear of a gopher using a gc thanks to
|
|
// https://github.com/golang-samples/gopher-vector/
|
|
func Draw(gc draw2d.GraphicContext) {
|
|
// Initialize Stroke Attribute
|
|
gc.SetLineWidth(3)
|
|
gc.SetLineCap(draw2d.RoundCap)
|
|
gc.SetStrokeColor(color.Black)
|
|
|
|
// Left hand
|
|
// <path fill-rule="evenodd" clip-rule="evenodd" fill="#F6D2A2" stroke="#000000" stroke-width="3" stroke-linecap="round" d="
|
|
// M10.634,300.493c0.764,15.751,16.499,8.463,23.626,3.539c6.765-4.675,8.743-0.789,9.337-10.015
|
|
// c0.389-6.064,1.088-12.128,0.744-18.216c-10.23-0.927-21.357,1.509-29.744,7.602C10.277,286.542,2.177,296.561,10.634,300.493"/>
|
|
gc.SetFillColor(color.RGBA{0xF6, 0xD2, 0xA2, 0xff})
|
|
gc.MoveTo(10.634, 300.493)
|
|
rCubicCurveTo(gc, 0.764, 15.751, 16.499, 8.463, 23.626, 3.539)
|
|
rCubicCurveTo(gc, 6.765, -4.675, 8.743, -0.789, 9.337, -10.015)
|
|
rCubicCurveTo(gc, 0.389, -6.064, 1.088, -12.128, 0.744, -18.216)
|
|
rCubicCurveTo(gc, -10.23, -0.927, -21.357, 1.509, -29.744, 7.602)
|
|
gc.CubicCurveTo(10.277, 286.542, 2.177, 296.561, 10.634, 300.493)
|
|
gc.FillStroke()
|
|
|
|
// <path fill-rule="evenodd" clip-rule="evenodd" fill="#C6B198" stroke="#000000" stroke-width="3" stroke-linecap="round" d="
|
|
// M10.634,300.493c2.29-0.852,4.717-1.457,6.271-3.528"/>
|
|
gc.MoveTo(10.634, 300.493)
|
|
rCubicCurveTo(gc, 2.29, -0.852, 4.717, -1.457, 6.271, -3.528)
|
|
gc.Stroke()
|
|
|
|
// Left Ear
|
|
// <path fill-rule="evenodd" clip-rule="evenodd" fill="#6AD7E5" stroke="#000000" stroke-width="3" stroke-linecap="round" d="
|
|
// M46.997,112.853C-13.3,95.897,31.536,19.189,79.956,50.74L46.997,112.853z"/>
|
|
gc.MoveTo(46.997, 112.853)
|
|
gc.CubicCurveTo(-13.3, 95.897, 31.536, 19.189, 79.956, 50.74)
|
|
gc.LineTo(46.997, 112.853)
|
|
gc.Close()
|
|
gc.Stroke()
|
|
}
|
|
|
|
func rQuadCurveTo(path draw2d.PathBuilder, dcx, dcy, dx, dy float64) {
|
|
x, y := path.LastPoint()
|
|
path.QuadCurveTo(x+dcx, y+dcy, x+dx, y+dy)
|
|
}
|
|
|
|
func rCubicCurveTo(path draw2d.PathBuilder, dcx1, dcy1, dcx2, dcy2, dx, dy float64) {
|
|
x, y := path.LastPoint()
|
|
path.CubicCurveTo(x+dcx1, y+dcy1, x+dcx2, y+dcy2, x+dx, y+dy)
|
|
}
|