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https://git.sr.ht/~eliasnaur/gio
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Elias Naur
afb52194d1
We're about to remove PaintOp.Rect. Replacing PaintOps with Fill or FillShape where possible will ease the transition. Using Fill in tests exposed a problem with the infinity in paint.Fill. Adjust it for now; it will be removed later. Updates gio#167 Signed-off-by: Elias Naur <mail@eliasnaur.com>
103 lines
2.6 KiB
Go
103 lines
2.6 KiB
Go
package rendertest
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import (
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"image"
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"math"
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"testing"
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"gioui.org/f32"
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"gioui.org/op"
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"gioui.org/op/clip"
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"gioui.org/op/paint"
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"golang.org/x/image/colornames"
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)
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func TestPaintRect(t *testing.T) {
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run(t, func(o *op.Ops) {
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paint.FillShape(o, colornames.Red, clip.Rect(image.Rect(0, 0, 50, 50)).Op())
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}, func(r result) {
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r.expect(0, 0, colornames.Red)
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r.expect(49, 0, colornames.Red)
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r.expect(50, 0, colornames.White)
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r.expect(10, 50, colornames.White)
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})
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}
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func TestPaintClippedRect(t *testing.T) {
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run(t, func(o *op.Ops) {
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clip.RRect{Rect: f32.Rect(25, 25, 60, 60)}.Add(o)
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paint.FillShape(o, colornames.Red, clip.Rect(image.Rect(0, 0, 50, 50)).Op())
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}, func(r result) {
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r.expect(0, 0, colornames.White)
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r.expect(24, 35, colornames.White)
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r.expect(25, 35, colornames.Red)
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r.expect(50, 0, colornames.White)
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r.expect(10, 50, colornames.White)
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})
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}
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func TestPaintClippedCirle(t *testing.T) {
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run(t, func(o *op.Ops) {
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r := float32(10)
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clip.RRect{Rect: f32.Rect(20, 20, 40, 40), SE: r, SW: r, NW: r, NE: r}.Add(o)
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clip.Rect(image.Rect(0, 0, 30, 50)).Add(o)
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paint.Fill(o, colornames.Red)
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}, func(r result) {
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r.expect(21, 21, colornames.White)
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r.expect(25, 30, colornames.Red)
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r.expect(31, 30, colornames.White)
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})
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}
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func TestPaintArc(t *testing.T) {
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run(t, func(o *op.Ops) {
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p := new(clip.Path)
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p.Begin(o)
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p.Move(f32.Pt(0, 20))
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p.Line(f32.Pt(10, 0))
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p.Arc(f32.Pt(10, 0), f32.Pt(40, 0), math.Pi)
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p.Line(f32.Pt(30, 0))
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p.Line(f32.Pt(0, 25))
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p.Arc(f32.Pt(-10, 5), f32.Pt(10, 15), -math.Pi)
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p.Line(f32.Pt(0, 25))
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p.Arc(f32.Pt(10, 10), f32.Pt(10, 10), 2*math.Pi)
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p.Line(f32.Pt(-10, 0))
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p.Arc(f32.Pt(-10, 0), f32.Pt(-40, 0), -math.Pi)
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p.Line(f32.Pt(-10, 0))
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p.Line(f32.Pt(0, -10))
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p.Arc(f32.Pt(-10, -20), f32.Pt(10, -5), math.Pi)
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p.Line(f32.Pt(0, -10))
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p.Line(f32.Pt(-50, 0))
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p.End().Add(o)
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paint.FillShape(o, colornames.Red, clip.Rect(image.Rect(0, 0, 128, 128)).Op())
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}, func(r result) {
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r.expect(0, 0, colornames.White)
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r.expect(0, 25, colornames.Red)
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r.expect(0, 15, colornames.White)
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})
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}
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func TestPaintTexture(t *testing.T) {
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run(t, func(o *op.Ops) {
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squares.Add(o)
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paint.PaintOp{Rect: f32.Rect(0, 0, 80, 80)}.Add(o)
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}, func(r result) {
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r.expect(0, 0, colornames.Blue)
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r.expect(79, 10, colornames.Green)
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r.expect(80, 0, colornames.White)
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r.expect(10, 80, colornames.White)
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})
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}
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func TestPaintClippedTexture(t *testing.T) {
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run(t, func(o *op.Ops) {
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squares.Add(o)
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clip.RRect{Rect: f32.Rect(0, 0, 40, 40)}.Add(o)
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paint.PaintOp{Rect: f32.Rect(0, 0, 80, 80)}.Add(o)
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}, func(r result) {
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r.expect(40, 40, colornames.White)
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r.expect(25, 35, colornames.Blue)
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})
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}
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