zeni/go-chart
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This commit is contained in:
Will Charczuk 2016-07-07 22:18:53 -07:00
parent 3d68b7e51d
commit f843d124d6
7 changed files with 205 additions and 14 deletions
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6
raster_renderer.go
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@ -21,7 +21,7 @@ func PNG(width, height int) Renderer {
}
}
// RasterRenderer renders chart commands to a bitmap.
// rasterRenderer renders chart commands to a bitmap.
type rasterRenderer struct {
i *image.RGBA
gc *drawing.GraphicContext
@ -43,7 +43,7 @@ func (rr *rasterRenderer) SetFillColor(c color.RGBA) {
}
// SetLineWidth implements the interface method.
func (rr *rasterRenderer) SetLineWidth(width float64) {
func (rr *rasterRenderer) SetStrokeWidth(width float64) {
rr.gc.SetLineWidth(width)
}
@ -115,7 +115,7 @@ func (rr *rasterRenderer) Text(body string, x, y int) {
rr.gc.Fill()
}
// MeasureText implements the interface method.
// MeasureText uses the truetype font drawer to measure the width of text.
func (rr *rasterRenderer) MeasureText(body string) int {
if rr.fc == nil && rr.font != nil {
rr.fc = &font.Drawer{