initial content
Laurent Le Goff
parent
5303bc604a
commit
c0710570ac
2 changed files with 662 additions and 0 deletions
56
GettingStarted.md
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56
GettingStarted.md
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## Getting Started
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see http://code.google.com/p/draw2d/source/browse/cmd/gettingStarted.go
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Writing to a png file
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```go
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package main
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import (
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"bufio"
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"fmt"
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"log"
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"os"
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"github/llgcode/draw2d"
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"image"
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"image/png"
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)
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func saveToPngFile(filePath string, m image.Image) error {
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// Create the file
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f, err := os.Create(filePath)
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if err != nil {
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return err
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}
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defer f.Close()
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// Create Writer from file
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b := bufio.NewWriter(f)
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// Write the image into the buffer
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err = png.Encode(b, m)
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if err != nil {
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return err
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}
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err = b.Flush()
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if err != nil {
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return err
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}
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return nil
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}
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func main() {
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i := image.NewRGBA(image.Rect(0, 0, 200, 200))
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gc := draw2d.NewGraphicContext(i)
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gc.MoveTo(10.0, 10.0)
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gc.LineTo(100.0, 10.0)
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gc.Stroke()
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filePath := "TestPath.png"
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saveToPngFile(filePath, i)
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fmt.Printf("Wrote %s OK.\n", filePath)
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}
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```
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# Where to go next #
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Now you are ready to start using the draw2d package. Go to [Samples](Samples.md) or [GettingStartedGUI](GettingStartedGUI.md).
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606
Samples.md
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606
Samples.md
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# Test results #
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You can find samples here generated by these program:
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> http://code.google.com/p/draw2d/source/browse/cmd/testdraw2d.go
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Those samples are largely inspired by this page:
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> http://cairographics.org/samples/
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Please see the corresponding HTML canvas, Postscript and svg results from [ajstarks](http://groups.google.com/group/golang-nuts/browse_thread/thread/62288215d63e263a/6d1159b2f965289c#6d1159b2f965289c) (for comparison purpose):
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* http://draw2d.googlecode.com/hg/resource/image/Tests.html
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* http://draw2d.googlecode.com/hg/resource/image/test.js
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* http://draw2d.googlecode.com/hg/resource/image/Tests.ps
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* http://www.flickr.com/photos/ajstarks/5207943227/
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There's already some bugs please refer to [issue tracking](http://code.google.com/p/draw2d/issues/list)
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## Test Path ##
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```
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func TestPath() {
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i, gc := initGc(w, h)
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gc.MoveTo(10.0, 10.0)
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gc.LineTo(100.0, 10.0)
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gc.LineTo(100.0, 100.0)
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gc.LineTo(10.0, 100.0)
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gc.LineTo(10.0, 10.0)
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gc.FillStroke()
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saveToPngFile("TestPath", i)
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}
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```
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## Test Draw Arc ##
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```
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func TestDrawArc() {
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i, gc := initGc(w, h)
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// draw an arc
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xc, yc := 128.0, 128.0
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radiusX, radiusY := 100.0, 100.0
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startAngle := 45.0 * (math.Pi / 180.0) /* angles are specified */
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angle := 135 * (math.Pi / 180.0) /* in radians */
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gc.SetLineWidth(10)
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gc.SetLineCap(draw2d.ButtCap)
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gc.SetStrokeColor(image.Black)
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gc.ArcTo(xc, yc, radiusX, radiusY, startAngle, angle)
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gc.Stroke()
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// fill a circle
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gc.SetStrokeColor(image.RGBAColor{255, 0x33, 0x33, 0x80})
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gc.SetFillColor(image.RGBAColor{255, 0x33, 0x33, 0x80})
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gc.SetLineWidth(6)
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gc.MoveTo(xc, yc)
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gc.LineTo(xc+cos(startAngle)*radiusX, yc+sin(startAngle)*radiusY)
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gc.MoveTo(xc, yc)
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gc.LineTo(xc-radiusX, yc)
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gc.Stroke()
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gc.ArcTo(xc, yc, 10.0, 10.0, 0, 2*math.Pi)
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gc.Fill()
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saveToPngFile("TestDrawArc", i)
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}
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```
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## Test Draw Arc Negative ##
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```
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func TestDrawArcNegative() {
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i, gc := initGc(w, h)
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// draw an arc
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xc, yc := 128.0, 128.0
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radiusX, radiusY := 100.0, 100.0
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startAngle := 45.0 * (math.Pi / 180.0) /* angles are specified */
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angle := -225 * (math.Pi / 180.0) /* in radians */
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gc.SetLineWidth(10)
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gc.SetLineCap(draw2d.ButtCap)
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gc.SetStrokeColor(image.Black)
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gc.ArcTo(xc, yc, radiusX, radiusY, startAngle, angle)
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gc.Stroke()
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// fill a circle
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gc.SetStrokeColor(image.RGBAColor{255, 0x33, 0x33, 0x80})
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gc.SetFillColor(image.RGBAColor{255, 0x33, 0x33, 0x80})
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gc.SetLineWidth(6)
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gc.MoveTo(xc, yc)
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gc.LineTo(xc+cos(startAngle)*radiusX, yc+sin(startAngle)*radiusY)
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gc.MoveTo(xc, yc)
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gc.LineTo(xc-radiusX, yc)
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gc.Stroke()
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gc.ArcTo(xc, yc, 10.0, 10.0, 0, 2*math.Pi)
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gc.Fill()
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saveToPngFile("TestDrawArcNegative", i)
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}
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```
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## Test Curve Rectangle ##
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```
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func TestCurveRectangle() {
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i, gc := initGc(w, h)
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/* a custom shape that could be wrapped in a function */
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x0, y0 := 25.6, 25.6 /* parameters like cairo_rectangle */
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rect_width, rect_height := 204.8, 204.8
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radius := 102.4 /* and an approximate curvature radius */
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x1 := x0 + rect_width
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y1 := y0 + rect_height
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if rect_width/2 < radius {
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if rect_height/2 < radius {
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gc.MoveTo(x0, (y0+y1)/2)
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gc.CubicCurveTo(x0, y0, x0, y0, (x0+x1)/2, y0)
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gc.CubicCurveTo(x1, y0, x1, y0, x1, (y0+y1)/2)
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gc.CubicCurveTo(x1, y1, x1, y1, (x1+x0)/2, y1)
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gc.CubicCurveTo(x0, y1, x0, y1, x0, (y0+y1)/2)
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} else {
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gc.MoveTo(x0, y0+radius)
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gc.CubicCurveTo(x0, y0, x0, y0, (x0+x1)/2, y0)
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gc.CubicCurveTo(x1, y0, x1, y0, x1, y0+radius)
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gc.LineTo(x1, y1-radius)
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gc.CubicCurveTo(x1, y1, x1, y1, (x1+x0)/2, y1)
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gc.CubicCurveTo(x0, y1, x0, y1, x0, y1-radius)
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}
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} else {
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if rect_height/2 < radius {
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gc.MoveTo(x0, (y0+y1)/2)
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gc.CubicCurveTo(x0, y0, x0, y0, x0+radius, y0)
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gc.LineTo(x1-radius, y0)
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gc.CubicCurveTo(x1, y0, x1, y0, x1, (y0+y1)/2)
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gc.CubicCurveTo(x1, y1, x1, y1, x1-radius, y1)
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gc.LineTo(x0+radius, y1)
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gc.CubicCurveTo(x0, y1, x0, y1, x0, (y0+y1)/2)
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} else {
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gc.MoveTo(x0, y0+radius)
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gc.CubicCurveTo(x0, y0, x0, y0, x0+radius, y0)
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gc.LineTo(x1-radius, y0)
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gc.CubicCurveTo(x1, y0, x1, y0, x1, y0+radius)
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gc.LineTo(x1, y1-radius)
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gc.CubicCurveTo(x1, y1, x1, y1, x1-radius, y1)
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gc.LineTo(x0+radius, y1)
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gc.CubicCurveTo(x0, y1, x0, y1, x0, y1-radius)
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}
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}
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gc.Close()
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gc.SetFillColor(image.RGBAColor{0x80, 0x80, 0xFF, 0xFF})
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gc.SetStrokeColor(image.RGBAColor{0x80, 0, 0, 0x80})
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gc.SetLineWidth(10.0)
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gc.FillStroke()
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saveToPngFile("TestCurveRectangle", i)
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}
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```
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## Test Draw Cubic Curve ##
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```
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func TestDrawCubicCurve() {
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i, gc := initGc(w, h)
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// draw a cubic curve
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x, y := 25.6, 128.0
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x1, y1 := 102.4, 230.4
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x2, y2 := 153.6, 25.6
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x3, y3 := 230.4, 128.0
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gc.SetFillColor(image.RGBAColor{0xAA, 0xAA, 0xAA, 0xFF})
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gc.SetLineWidth(10)
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gc.MoveTo(x, y)
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gc.CubicCurveTo(x1, y1, x2, y2, x3, y3)
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gc.Stroke()
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gc.SetStrokeColor(image.RGBAColor{0xFF, 0x33, 0x33, 0x88})
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gc.SetLineWidth(6)
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// draw segment of curve
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gc.MoveTo(x, y)
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gc.LineTo(x1, y1)
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gc.LineTo(x2, y2)
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gc.LineTo(x3, y3)
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gc.Stroke()
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saveToPngFile("TestDrawCubicCurve", i)
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}
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```
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## Test Dash ##
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```
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func TestDash() {
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i, gc := initGc(w, h)
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gc.SetLineDash([]float{50, 10, 10, 10}, -50.0)
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gc.SetLineCap(draw2d.ButtCap)
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gc.SetLineJoin(draw2d.BevelJoin)
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gc.SetLineWidth(10)
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gc.MoveTo(128.0, 25.6)
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gc.LineTo(128.0, 25.6)
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gc.LineTo(230.4, 230.4)
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gc.RLineTo(-102.4, 0.0)
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gc.CubicCurveTo(51.2, 230.4, 51.2, 128.0, 128.0, 128.0)
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gc.Stroke()
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gc.SetLineDash(nil, 0.0)
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saveToPngFile("TestDash", i)
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}
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```
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## Test Fill Stroke ##
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```
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func TestFillStroke() {
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i, gc := initGc(w, h)
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gc.MoveTo(128.0, 25.6)
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gc.LineTo(230.4, 230.4)
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gc.RLineTo(-102.4, 0.0)
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gc.CubicCurveTo(51.2, 230.4, 51.2, 128.0, 128.0, 128.0)
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gc.Close()
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gc.MoveTo(64.0, 25.6)
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gc.RLineTo(51.2, 51.2)
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gc.RLineTo(-51.2, 51.2)
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gc.RLineTo(-51.2, -51.2)
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gc.Close()
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gc.SetLineWidth(10.0)
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gc.SetFillColor(image.RGBAColor{0, 0, 0xFF, 0xFF})
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gc.SetStrokeColor(image.Black)
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gc.FillStroke()
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saveToPngFile("TestFillStroke", i)
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}
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```
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## Test Fill Style ##
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```
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func TestFillStyle() {
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i, gc := initGc(w, h)
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gc.SetLineWidth(6)
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gc.Rect(12, 12, 244, 70)
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wheel1 := new(draw2d.Path)
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wheel1.ArcTo(64, 64, 40, 40, 0, 2*math.Pi)
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wheel2 := new(draw2d.Path)
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wheel2.ArcTo(192, 64, 40, 40, 0, 2*math.Pi)
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gc.SetFillRule(draw2d.FillRuleEvenOdd)
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gc.SetFillColor(image.RGBAColor{0, 0xB2, 0, 0xFF})
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gc.SetStrokeColor(image.Black)
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gc.FillStroke(wheel1, wheel2)
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gc.Rect(12, 140, 244, 198)
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wheel1 = new(draw2d.Path)
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wheel1.ArcTo(64, 192, 40, 40, 0, 2*math.Pi)
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wheel2 = new(draw2d.Path)
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wheel2.ArcTo(192, 192, 40, 40, 0, -2*math.Pi)
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gc.SetFillRule(draw2d.FillRuleWinding)
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gc.SetFillColor(image.RGBAColor{0, 0, 0xE5, 0xFF})
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gc.FillStroke(wheel1, wheel2)
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saveToPngFile("TestFillStyle", i)
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}
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```
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## Test Multi Segment Caps ##
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```
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func TestMultiSegmentCaps() {
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i, gc := initGc(w, h)
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gc.MoveTo(50.0, 75.0)
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gc.LineTo(200.0, 75.0)
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gc.MoveTo(50.0, 125.0)
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gc.LineTo(200.0, 125.0)
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gc.MoveTo(50.0, 175.0)
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gc.LineTo(200.0, 175.0)
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gc.SetLineWidth(30.0)
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gc.SetLineCap(draw2d.RoundCap)
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gc.Stroke()
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saveToPngFile("TestMultiSegmentCaps", i)
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}
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```
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## Test Round Rectangle ##
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```
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func TestRoundRectangle() {
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i, gc := initGc(w, h)
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/* a custom shape that could be wrapped in a function */
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x, y := 25.6, 25.6
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width, height := 204.8, 204.8
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aspect := 1.0 /* aspect ratio */
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corner_radius := height / 10.0 /* and corner curvature radius */
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radius := corner_radius / aspect
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degrees := math.Pi / 180.0
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||||||
|
gc.ArcTo(x+width-radius, y+radius, radius, radius, -90*degrees, 90*degrees)
|
||||||
|
gc.ArcTo(x+width-radius, y+height-radius, radius, radius, 0*degrees, 90*degrees)
|
||||||
|
gc.ArcTo(x+radius, y+height-radius, radius, radius, 90*degrees, 90*degrees)
|
||||||
|
gc.ArcTo(x+radius, y+radius, radius, radius, 180*degrees, 90*degrees)
|
||||||
|
gc.Close()
|
||||||
|
|
||||||
|
gc.SetFillColor(image.RGBAColor{0x80, 0x80, 0xFF, 0xFF})
|
||||||
|
gc.SetStrokeColor(image.RGBAColor{0x80, 0, 0, 0x80})
|
||||||
|
gc.SetLineWidth(10.0)
|
||||||
|
gc.FillStroke()
|
||||||
|
|
||||||
|
saveToPngFile("TestRoundRectangle", i)
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
## Test Line Cap ##
|
||||||
|
|
||||||
|
```
|
||||||
|
func TestLineCap() {
|
||||||
|
i, gc := initGc(w, h)
|
||||||
|
gc.SetLineWidth(30.0)
|
||||||
|
gc.SetLineCap(draw2d.ButtCap)
|
||||||
|
gc.MoveTo(64.0, 50.0)
|
||||||
|
gc.LineTo(64.0, 200.0)
|
||||||
|
gc.Stroke()
|
||||||
|
gc.SetLineCap(draw2d.RoundCap)
|
||||||
|
gc.MoveTo(128.0, 50.0)
|
||||||
|
gc.LineTo(128.0, 200.0)
|
||||||
|
gc.Stroke()
|
||||||
|
gc.SetLineCap(draw2d.SquareCap)
|
||||||
|
gc.MoveTo(192.0, 50.0)
|
||||||
|
gc.LineTo(192.0, 200.0)
|
||||||
|
gc.Stroke()
|
||||||
|
|
||||||
|
/* draw helping lines */
|
||||||
|
gc.SetStrokeColor(image.RGBAColor{0xFF, 0x33, 0x33, 0xFF})
|
||||||
|
gc.SetLineWidth(2.56)
|
||||||
|
gc.MoveTo(64.0, 50.0)
|
||||||
|
gc.LineTo(64.0, 200.0)
|
||||||
|
gc.MoveTo(128.0, 50.0)
|
||||||
|
gc.LineTo(128.0, 200.0)
|
||||||
|
gc.MoveTo(192.0, 50.0)
|
||||||
|
gc.LineTo(192.0, 200.0)
|
||||||
|
gc.Stroke()
|
||||||
|
saveToPngFile("TestLineCap", i)
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
## Test Line Join ##
|
||||||
|
|
||||||
|
```
|
||||||
|
func TestLineJoin() {
|
||||||
|
i, gc := initGc(w, h)
|
||||||
|
gc.SetLineWidth(40.96)
|
||||||
|
gc.MoveTo(76.8, 84.48)
|
||||||
|
gc.RLineTo(51.2, -51.2)
|
||||||
|
gc.RLineTo(51.2, 51.2)
|
||||||
|
gc.SetLineJoin(draw2d.MiterJoin) /* default */
|
||||||
|
gc.Stroke()
|
||||||
|
|
||||||
|
gc.MoveTo(76.8, 161.28)
|
||||||
|
gc.RLineTo(51.2, -51.2)
|
||||||
|
gc.RLineTo(51.2, 51.2)
|
||||||
|
gc.SetLineJoin(draw2d.BevelJoin)
|
||||||
|
gc.Stroke()
|
||||||
|
|
||||||
|
gc.MoveTo(76.8, 238.08)
|
||||||
|
gc.RLineTo(51.2, -51.2)
|
||||||
|
gc.RLineTo(51.2, 51.2)
|
||||||
|
gc.SetLineJoin(draw2d.RoundJoin)
|
||||||
|
gc.Stroke()
|
||||||
|
saveToPngFile("TestLineJoin", i)
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
## Test Bubble ##
|
||||||
|
|
||||||
|
```
|
||||||
|
func TestBubble() {
|
||||||
|
i, gc := initGc(w, h)
|
||||||
|
gc.BeginPath();
|
||||||
|
gc.MoveTo(75,25);
|
||||||
|
gc.QuadCurveTo(25,25,25,62.5);
|
||||||
|
gc.QuadCurveTo(25,100,50,100);
|
||||||
|
gc.QuadCurveTo(50,120,30,125);
|
||||||
|
gc.QuadCurveTo(60,120,65,100);
|
||||||
|
gc.QuadCurveTo(125,100,125,62.5);
|
||||||
|
gc.QuadCurveTo(125,25,75,25);
|
||||||
|
gc.Stroke();
|
||||||
|
saveToPngFile("TestBubble", i)
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
## Test Star ##
|
||||||
|
|
||||||
|
```
|
||||||
|
func TestStar() {
|
||||||
|
i, gc := initGc(w, h)
|
||||||
|
for i := 0.0 ; i < 360; i = i + 10 {// Go from 0 to 360 degrees in 10 degree steps
|
||||||
|
gc.Save()
|
||||||
|
gc.SetLineWidth(5) // Keep rotations temporary
|
||||||
|
gc.Translate(144, 144)
|
||||||
|
gc.Rotate(i * (math.Pi / 180.0)) // Rotate by degrees on stack from 'for'
|
||||||
|
gc.MoveTo(0, 0)
|
||||||
|
gc.LineTo(72, 0)
|
||||||
|
gc.Stroke()
|
||||||
|
gc.Restore()
|
||||||
|
}
|
||||||
|
saveToPngFile("TestStar", i)
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
## Test Transform ##
|
||||||
|
|
||||||
|
```
|
||||||
|
|
||||||
|
func TestTransform() {
|
||||||
|
i, gc := initGc(800, 600)
|
||||||
|
|
||||||
|
gc.Save()
|
||||||
|
gc.Translate(40, 40) // Set origin to (40, 40)
|
||||||
|
gc.BeginPath()
|
||||||
|
gc.MoveTo(0,0)
|
||||||
|
gc.RLineTo(72,0)
|
||||||
|
gc.RLineTo(0, 72)
|
||||||
|
gc.RLineTo(-72,0)
|
||||||
|
gc.ClosePath()
|
||||||
|
gc.Stroke()
|
||||||
|
gc.Restore()
|
||||||
|
|
||||||
|
gc.Save()
|
||||||
|
gc.Translate(100, 150) // Translate origin to (100, 150)
|
||||||
|
gc.Rotate(30* (math.Pi / 180.0)) // Rotate counter-clockwise by 30 degrees
|
||||||
|
gc.BeginPath()
|
||||||
|
gc.MoveTo(0,0)
|
||||||
|
gc.RLineTo(72,0)
|
||||||
|
gc.RLineTo(0, 72)
|
||||||
|
gc.RLineTo(-72,0)
|
||||||
|
gc.ClosePath() // Draw box...
|
||||||
|
gc.Stroke()
|
||||||
|
gc.Restore()
|
||||||
|
|
||||||
|
gc.Save()
|
||||||
|
gc.Translate(40, 300) // Translate to (40, 300)
|
||||||
|
gc.Scale(0.5, 1) // Reduce x coord by 1/2, y coord left alone
|
||||||
|
gc.BeginPath()
|
||||||
|
gc.MoveTo(0,0)
|
||||||
|
gc.RLineTo(72,0)
|
||||||
|
gc.RLineTo(0, 72)
|
||||||
|
gc.RLineTo(-72,0)
|
||||||
|
gc.ClosePath() // Draw box...
|
||||||
|
gc.Stroke()
|
||||||
|
gc.Restore()
|
||||||
|
|
||||||
|
gc.Save()
|
||||||
|
gc.Translate(300, 300) // Set origin to (300, 300)
|
||||||
|
gc.Rotate(45* (math.Pi / 180.0)) // Rotate coordinates by 45 degrees
|
||||||
|
gc.Scale(0.5, 1) // Scale coordinates
|
||||||
|
gc.BeginPath()
|
||||||
|
gc.MoveTo(0,0)
|
||||||
|
gc.RLineTo(72,0)
|
||||||
|
gc.RLineTo(0, 72)
|
||||||
|
gc.RLineTo(-72,0)
|
||||||
|
gc.ClosePath() // Draw box
|
||||||
|
gc.Stroke()
|
||||||
|
gc.Restore()
|
||||||
|
|
||||||
|
saveToPngFile("TestTransform", i)
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
## Test Path Transform ##
|
||||||
|
|
||||||
|
```
|
||||||
|
|
||||||
|
func TestPathTransform() {
|
||||||
|
i, gc := initGc(800, 600)
|
||||||
|
gc.SetLineWidth(20)
|
||||||
|
gc.Scale(1,5)
|
||||||
|
gc.ArcTo(200, 50, 50, 50, 0, math.Pi * 2)
|
||||||
|
gc.Stroke()
|
||||||
|
saveToPngFile("TestPathTransform", i)
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
## Test Android ##
|
||||||
|
|
||||||
|
```
|
||||||
|
|
||||||
|
func android(gc *draw2d.GraphicContext, x, y float) {
|
||||||
|
gc.SetLineCap(draw2d.RoundCap)
|
||||||
|
gc.SetLineWidth(5)
|
||||||
|
gc.ArcTo(x+80, y+70, 50, 50, 180 * (math.Pi/180), 360 * (math.Pi/180)) // head
|
||||||
|
gc.FillStroke()
|
||||||
|
gc.MoveTo(x+60, y+25)
|
||||||
|
gc.LineTo(x+50, y+10)
|
||||||
|
gc.MoveTo(x+100, y+25)
|
||||||
|
gc.LineTo( x+110, y+10)
|
||||||
|
gc.Stroke()
|
||||||
|
draw2d.Circle(gc, x+60, y+45, 5) // left eye
|
||||||
|
gc.FillStroke()
|
||||||
|
draw2d.Circle(gc, x+100, y+45, 5) // right eye
|
||||||
|
gc.FillStroke()
|
||||||
|
draw2d.RoundRect(gc, x+30, y+75, x+30+100, y+75+90, 10, 10) // body
|
||||||
|
gc.FillStroke()
|
||||||
|
draw2d.Rect(gc, x+30, y+75, x+30+100, y+75+80)
|
||||||
|
gc.FillStroke()
|
||||||
|
draw2d.RoundRect(gc, x+5, y+80, x+5+20, y+80+70, 10, 10) // left arm
|
||||||
|
gc.FillStroke()
|
||||||
|
draw2d.RoundRect(gc, x+135, y+80, x+135+20, y+80+70, 10, 10) // right arm
|
||||||
|
gc.FillStroke()
|
||||||
|
draw2d.RoundRect(gc, x+50, y+150, x+50+20, y+150+50, 10, 10) // left leg
|
||||||
|
gc.FillStroke()
|
||||||
|
draw2d.RoundRect(gc, x+90, y+150, x+90+20, y+150+50, 10, 10) // right leg
|
||||||
|
gc.FillStroke()
|
||||||
|
}
|
||||||
|
```
|
||||||
|
## Test Gopher ##
|
||||||
|
|
||||||
|
```
|
||||||
|
|
||||||
|
func gordon(gc *draw2d.GraphicContext, x, y, w, h float) {
|
||||||
|
h23 := (h * 2) / 3
|
||||||
|
|
||||||
|
blf := image.RGBAColor{0, 0, 0, 0xff}
|
||||||
|
wf := image.RGBAColor{0xff, 0xff, 0xff, 0xff}
|
||||||
|
nf := image.RGBAColor{0x8B, 0x45, 0x13, 0xff}
|
||||||
|
brf := image.RGBAColor{0x8B, 0x45, 0x13, 0x99}
|
||||||
|
brb := image.RGBAColor{0x8B, 0x45, 0x13, 0xBB}
|
||||||
|
|
||||||
|
gc.MoveTo(x, y+h)
|
||||||
|
gc.CubicCurveTo(x, y+h, x+w/2, y-h, x+w, y+h)
|
||||||
|
gc.Close()
|
||||||
|
gc.SetFillColor(brb)
|
||||||
|
gc.Fill()
|
||||||
|
draw2d.RoundRect(gc, x, y+h, x+ w, y+h+h, 10, 10)
|
||||||
|
gc.Fill()
|
||||||
|
draw2d.Circle(gc,x, y+h, w/12) // left ear
|
||||||
|
gc.SetFillColor(brf)
|
||||||
|
gc.Fill()
|
||||||
|
draw2d.Circle(gc, x, y+h, w/12-10)
|
||||||
|
gc.SetFillColor(nf)
|
||||||
|
gc.Fill()
|
||||||
|
|
||||||
|
draw2d.Circle(gc, x+w, y+h, w/12) // right ear
|
||||||
|
gc.SetFillColor(brf)
|
||||||
|
gc.Fill()
|
||||||
|
draw2d.Circle(gc, x+w, y+h, w/12-10)
|
||||||
|
gc.SetFillColor(nf)
|
||||||
|
gc.Fill()
|
||||||
|
|
||||||
|
draw2d.Circle(gc, x+w/3, y+h23, w/9) // left eye
|
||||||
|
gc.SetFillColor(wf)
|
||||||
|
gc.Fill()
|
||||||
|
draw2d.Circle(gc, x+w/3+10, y+h23, w / 10 - 10)
|
||||||
|
gc.SetFillColor(blf)
|
||||||
|
gc.Fill()
|
||||||
|
draw2d.Circle(gc, x+w/3+15, y+h23, 5)
|
||||||
|
gc.SetFillColor(wf)
|
||||||
|
gc.Fill()
|
||||||
|
|
||||||
|
draw2d.Circle(gc, x+w-w/3, y+h23, w/9) // right eye
|
||||||
|
gc.Fill()
|
||||||
|
draw2d.Circle(gc, x+w-w/3+10, y+h23, w / 10 - 10)
|
||||||
|
gc.SetFillColor(blf)
|
||||||
|
gc.Fill()
|
||||||
|
draw2d.Circle(gc, x+w-(w/3)+15, y+h23, 5)
|
||||||
|
gc.SetFillColor(wf)
|
||||||
|
gc.Fill()
|
||||||
|
|
||||||
|
gc.SetFillColor(wf)
|
||||||
|
draw2d.RoundRect(gc, x+w/2-w/8, y+h+30, x+w/2-w/8 + w/8, y+h+30 + w/6, 5, 5) // left tooth
|
||||||
|
gc.Fill()
|
||||||
|
draw2d.RoundRect(gc, x+w/2, y+h+30, x+w/2+w/8, y+h+30+w/6, 5, 5) // right tooth
|
||||||
|
gc.Fill()
|
||||||
|
|
||||||
|
|
||||||
|
draw2d.Ellipse(gc, x+(w/2), y+h+30, w/6, w/12) // snout
|
||||||
|
gc.SetFillColor(nf)
|
||||||
|
gc.Fill()
|
||||||
|
draw2d.Ellipse(gc, x+(w/2), y+h+10, w/10, w/12) // nose
|
||||||
|
gc.SetFillColor(blf)
|
||||||
|
gc.Fill()
|
||||||
|
|
||||||
|
}
|
||||||
|
```
|
||||||
|
## Test Fill String ##
|
||||||
|
|
||||||
|
```
|
||||||
|
func TestFillString() {
|
||||||
|
i, gc := initGc(100, 100)
|
||||||
|
draw2d.RoundRect(gc, 5, 5, 95, 95, 10, 10)
|
||||||
|
gc.FillStroke()
|
||||||
|
gc.SetFontSize(18)
|
||||||
|
gc.MoveTo(10, 52)
|
||||||
|
gc.SetFontData(draw2d.FontData{"luxi", draw2d.FontFamilyMono, draw2d.FontStyleBold|draw2d.FontStyleItalic})
|
||||||
|
width := gc.FillString("cou")
|
||||||
|
fmt.Printf("width: %f\n", width)
|
||||||
|
gc.RMoveTo(width+1, 0)
|
||||||
|
gc.FillString("cou")
|
||||||
|
saveToPngFile("TestFillString", i)
|
||||||
|
}
|
||||||
|
```
|
||||||
Loading…
Reference in a new issue