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
122 lines
2.9 KiB
Go
122 lines
2.9 KiB
Go
// Copyright 2010 The draw2d Authors. All rights reserved.
|
|
// created: 21/11/2010 by Laurent Le Goff
|
|
|
|
// Package gopher2 draws a gopher avatar based on a svg of:
|
|
// https://github.com/golang-samples/gopher-vector/
|
|
package gopher2
|
|
|
|
import (
|
|
"image"
|
|
"image/color"
|
|
"math"
|
|
|
|
"github.com/llgcode/draw2d"
|
|
"github.com/llgcode/draw2d/draw2dkit"
|
|
"github.com/llgcode/draw2d/samples"
|
|
)
|
|
|
|
// Main draws a rotated face of the gopher. Afterwards it returns
|
|
// the filename. This should only be used during testing.
|
|
func Main(gc draw2d.GraphicContext, ext string) (string, error) {
|
|
gc.SetStrokeColor(image.Black)
|
|
gc.SetFillColor(image.White)
|
|
gc.Save()
|
|
// Draw a (partial) gopher
|
|
gc.Translate(-60, 65)
|
|
gc.Rotate(-30 * (math.Pi / 180.0))
|
|
Draw(gc, 48, 48, 240, 72)
|
|
gc.Restore()
|
|
|
|
// Return the output filename
|
|
return samples.Output("gopher2", ext), nil
|
|
}
|
|
|
|
// Draw a gopher head (not rotated)
|
|
func Draw(gc draw2d.GraphicContext, x, y, w, h float64) {
|
|
h23 := (h * 2) / 3
|
|
|
|
blf := color.RGBA{0, 0, 0, 0xff} // black
|
|
wf := color.RGBA{0xff, 0xff, 0xff, 0xff} // white
|
|
nf := color.RGBA{0x8B, 0x45, 0x13, 0xff} // brown opaque
|
|
brf := color.RGBA{0x8B, 0x45, 0x13, 0x99} // brown transparant
|
|
brb := color.RGBA{0x8B, 0x45, 0x13, 0xBB} // brown transparant
|
|
|
|
// round head top
|
|
gc.MoveTo(x, y+h*1.002)
|
|
gc.CubicCurveTo(x+w/4, y-h/3, x+3*w/4, y-h/3, x+w, y+h*1.002)
|
|
gc.Close()
|
|
gc.SetFillColor(brb)
|
|
gc.Fill()
|
|
|
|
// rectangle head bottom
|
|
draw2dkit.RoundedRectangle(gc, x, y+h, x+w, y+h+h, h/5, h/5)
|
|
gc.Fill()
|
|
|
|
// left ear outside
|
|
draw2dkit.Circle(gc, x, y+h, w/12)
|
|
gc.SetFillColor(brf)
|
|
gc.Fill()
|
|
|
|
// left ear inside
|
|
draw2dkit.Circle(gc, x, y+h, 0.5*w/12)
|
|
gc.SetFillColor(nf)
|
|
gc.Fill()
|
|
|
|
// right ear outside
|
|
draw2dkit.Circle(gc, x+w, y+h, w/12)
|
|
gc.SetFillColor(brf)
|
|
gc.Fill()
|
|
|
|
// right ear inside
|
|
draw2dkit.Circle(gc, x+w, y+h, 0.5*w/12)
|
|
gc.SetFillColor(nf)
|
|
gc.Fill()
|
|
|
|
// left eye outside white
|
|
draw2dkit.Circle(gc, x+w/3, y+h23, w/9)
|
|
gc.SetFillColor(wf)
|
|
gc.Fill()
|
|
|
|
// left eye black
|
|
draw2dkit.Circle(gc, x+w/3+w/24, y+h23, 0.5*w/9)
|
|
gc.SetFillColor(blf)
|
|
gc.Fill()
|
|
|
|
// left eye inside white
|
|
draw2dkit.Circle(gc, x+w/3+w/24+w/48, y+h23, 0.2*w/9)
|
|
gc.SetFillColor(wf)
|
|
gc.Fill()
|
|
|
|
// right eye outside white
|
|
draw2dkit.Circle(gc, x+w-w/3, y+h23, w/9)
|
|
gc.Fill()
|
|
|
|
// right eye black
|
|
draw2dkit.Circle(gc, x+w-w/3+w/24, y+h23, 0.5*w/9)
|
|
gc.SetFillColor(blf)
|
|
gc.Fill()
|
|
|
|
// right eye inside white
|
|
draw2dkit.Circle(gc, x+w-(w/3)+w/24+w/48, y+h23, 0.2*w/9)
|
|
gc.SetFillColor(wf)
|
|
gc.Fill()
|
|
|
|
// left tooth
|
|
gc.SetFillColor(wf)
|
|
draw2dkit.RoundedRectangle(gc, x+w/2-w/8, y+h+h/2.5, x+w/2-w/8+w/8, y+h+h/2.5+w/6, w/10, w/10)
|
|
gc.Fill()
|
|
|
|
// right tooth
|
|
draw2dkit.RoundedRectangle(gc, x+w/2, y+h+h/2.5, x+w/2+w/8, y+h+h/2.5+w/6, w/10, w/10)
|
|
gc.Fill()
|
|
|
|
// snout
|
|
draw2dkit.Ellipse(gc, x+(w/2), y+h+h/2.5, w/6, w/12)
|
|
gc.SetFillColor(nf)
|
|
gc.Fill()
|
|
|
|
// nose
|
|
draw2dkit.Ellipse(gc, x+(w/2), y+h+h/7, w/10, w/12)
|
|
gc.SetFillColor(blf)
|
|
gc.Fill()
|
|
}
|