mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-30 21:58:53 +01:00
82 lines
1.6 KiB
Go
82 lines
1.6 KiB
Go
// Copyright 2019 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package affine_test
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import (
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"math"
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"testing"
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. "github.com/hajimehoshi/ebiten/internal/affine"
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)
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func TestColorMScaleOnly(t *testing.T) {
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cases := []struct {
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In *ColorM
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Out bool
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}{
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{
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nil,
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true,
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},
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{
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(*ColorM)(nil).Translate(0, 0, 0, 0),
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true,
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},
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{
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(*ColorM)(nil).Translate(1, 0, 0, 0),
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false,
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},
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{
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(*ColorM)(nil).Translate(0, 0, 0, -1),
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false,
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},
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{
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(*ColorM)(nil).Scale(1, 1, 1, 1),
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true,
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},
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{
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(*ColorM)(nil).Scale(0, 0, 0, 0),
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true,
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},
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{
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(*ColorM)(nil).Scale(0.1, 0.2, 0.3, 0.4),
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true,
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},
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{
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(*ColorM)(nil).Scale(0.1, 0.2, 0.3, 0.4).Translate(1, 0, 0, 0),
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false,
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},
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{
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(*ColorM)(nil).ChangeHSV(math.Pi/2, 0.5, 0.5),
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false,
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},
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{
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(*ColorM)(nil).SetElement(0, 0, 2),
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true,
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},
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{
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(*ColorM)(nil).SetElement(0, 1, 2),
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false,
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},
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}
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for _, c := range cases {
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got := c.In.ScaleOnly()
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want := c.Out
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if got != want {
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t.Errorf("%v.ScaleOnly(): got: %t, want: %t", c.In, got, want)
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}
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}
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}
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