53 lines
900 B
Go
53 lines
900 B
Go
package chart
|
|
|
|
import (
|
|
"bytes"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/blendlabs/go-assert"
|
|
)
|
|
|
|
func TestVectorRendererPath(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
vr, err := SVG(100, 100)
|
|
assert.Nil(err)
|
|
|
|
typed, isTyped := vr.(*vectorRenderer)
|
|
assert.True(isTyped)
|
|
|
|
typed.MoveTo(0, 0)
|
|
typed.LineTo(100, 100)
|
|
typed.LineTo(0, 100)
|
|
typed.Close()
|
|
typed.FillStroke()
|
|
|
|
buffer := bytes.NewBuffer([]byte{})
|
|
err = typed.Save(buffer)
|
|
assert.Nil(err)
|
|
|
|
raw := string(buffer.Bytes())
|
|
|
|
assert.True(strings.HasPrefix(raw, "<svg"))
|
|
assert.True(strings.HasSuffix(raw, "</svg>"))
|
|
}
|
|
|
|
func TestVectorRendererMeasureText(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
f, err := GetDefaultFont()
|
|
assert.Nil(err)
|
|
|
|
vr, err := SVG(100, 100)
|
|
assert.Nil(err)
|
|
|
|
vr.SetDPI(DefaultDPI)
|
|
vr.SetFont(f)
|
|
vr.SetFontSize(12.0)
|
|
|
|
tb := vr.MeasureText("Ljp")
|
|
assert.Equal(21, tb.Width())
|
|
assert.Equal(15, tb.Height())
|
|
}
|