golint fixes
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Stani
parent
16a86e7588
commit
99aee45045
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@ -24,7 +24,7 @@ func Main(gc draw2d.GraphicContext, ext string) (string, error) {
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return samples.Output("geometry", ext), nil
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}
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// Bubble draws a text balloon
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// Bubble draws a text balloon.
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func Bubble(gc draw2d.GraphicContext, x, y, width, height float64) {
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sx, sy := width/100, height/100
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gc.MoveTo(x+sx*50, y)
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@ -37,14 +37,15 @@ func Bubble(gc draw2d.GraphicContext, x, y, width, height float64) {
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gc.Stroke()
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}
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// CurveRectangle draws a rectangle with bezier curves (not rounded rectangle).
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func CurveRectangle(gc draw2d.GraphicContext, x0, y0,
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rect_width, rect_height float64, stroke, fill color.Color) {
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radius := (rect_width + rect_height) / 4
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rectWidth, rectHeight float64, stroke, fill color.Color) {
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radius := (rectWidth + rectHeight) / 4
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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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x1 := x0 + rectWidth
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y1 := y0 + rectHeight
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if rectWidth/2 < radius {
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if rectHeight/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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@ -59,7 +60,7 @@ func CurveRectangle(gc draw2d.GraphicContext, x0, y0,
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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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if rectHeight/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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@ -86,6 +87,7 @@ func CurveRectangle(gc draw2d.GraphicContext, x0, y0,
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gc.FillStroke()
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}
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// Dash draws a line with a dash pattern
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func Dash(gc draw2d.GraphicContext, x, y, width, height float64) {
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sx, sy := width/162, height/205
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gc.SetStrokeColor(image.Black)
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@ -103,6 +105,7 @@ func Dash(gc draw2d.GraphicContext, x, y, width, height float64) {
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gc.SetLineDash(nil, 0.0)
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}
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// Arc draws an arc with a positive angle (clockwise)
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func Arc(gc draw2d.GraphicContext, xc, yc, width, height float64) {
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// draw an arc
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xc += width / 2
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@ -133,6 +136,7 @@ func Arc(gc draw2d.GraphicContext, xc, yc, width, height float64) {
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gc.Fill()
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}
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// ArcNegative draws an arc with a negative angle (anti clockwise).
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func ArcNegative(gc draw2d.GraphicContext, xc, yc, width, height float64) {
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xc += width / 2
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yc += height / 2
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@ -160,6 +164,7 @@ func ArcNegative(gc draw2d.GraphicContext, xc, yc, width, height float64) {
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gc.Fill()
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}
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// CubicCurve draws a cubic curve with its control points.
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func CubicCurve(gc draw2d.GraphicContext, x, y, width, height float64) {
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sx, sy := width/162, height/205
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x0, y0 := x, y+sy*100.0
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@ -185,6 +190,7 @@ func CubicCurve(gc draw2d.GraphicContext, x, y, width, height float64) {
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gc.Stroke()
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}
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// FillString draws a filled and stroked string.
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func FillString(gc draw2d.GraphicContext, x, y, width, height float64) {
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sx, sy := width/100, height/100
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gc.Save()
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@ -195,7 +201,10 @@ func FillString(gc draw2d.GraphicContext, x, y, width, height float64) {
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gc.SetFillColor(image.Black)
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gc.SetFontSize(height / 6)
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gc.Translate(x+sx*6, y+sy*52)
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gc.SetFontData(draw2d.FontData{"luxi", draw2d.FontFamilyMono, draw2d.FontStyleBold | draw2d.FontStyleItalic})
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gc.SetFontData(draw2d.FontData{
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Name: "luxi",
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Family: draw2d.FontFamilyMono,
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Style: draw2d.FontStyleBold | draw2d.FontStyleItalic})
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w := gc.FillString("cou")
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gc.Translate(w+sx, 0)
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left, top, right, bottom := gc.GetStringBounds("cou")
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@ -209,6 +218,7 @@ func FillString(gc draw2d.GraphicContext, x, y, width, height float64) {
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gc.Restore()
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}
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// FillStroke first fills and afterwards strokes a path.
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func FillStroke(gc draw2d.GraphicContext, x, y, width, height float64) {
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sx, sy := width/210, height/215
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gc.MoveTo(x+sx*113.0, y)
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@ -229,6 +239,7 @@ func FillStroke(gc draw2d.GraphicContext, x, y, width, height float64) {
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gc.FillStroke()
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}
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// FillStyle demonstrates the difference between even odd and non zero winding rule.
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func FillStyle(gc draw2d.GraphicContext, x, y, width, height float64) {
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sx, sy := width/232, height/220
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gc.SetLineWidth(width / 40)
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@ -257,6 +268,7 @@ func FillStyle(gc draw2d.GraphicContext, x, y, width, height float64) {
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gc.FillStroke(wheel1, wheel2)
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}
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// PathTransform scales a path differently in horizontal and vertical direction.
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func PathTransform(gc draw2d.GraphicContext, x, y, width, height float64) {
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gc.Save()
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gc.SetLineWidth(width / 10)
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@ -268,6 +280,7 @@ func PathTransform(gc draw2d.GraphicContext, x, y, width, height float64) {
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gc.Restore()
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}
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// Star draws many lines from a center.
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func Star(gc draw2d.GraphicContext, x, y, width, height float64) {
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gc.Save()
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gc.Translate(x+width/2, y+height/2)
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@ -283,6 +296,7 @@ func Star(gc draw2d.GraphicContext, x, y, width, height float64) {
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gc.Restore()
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}
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// Draw all figures in a nice 4x3 grid.
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func Draw(gc draw2d.GraphicContext, width, height float64) {
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mx, my := width*0.025, height*0.025 // margin
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dx, dy := (width-2*mx)/4, (height-2*my)/3
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