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// Copyright (C) 2015 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"flag"
"android.googlesource.com/platform/tools/gpu/_experimental/client/charts"
"github.com/google/gxui"
"github.com/google/gxui/drivers/gl"
"github.com/google/gxui/math"
"github.com/google/gxui/themes/dark"
)
func smoothrnd(key float32) float32 {
freqs := []float32{3452.2341, 156.653, 13.345, 5.235, 0.1352}
phase := []float32{34.136531, 9.48426, 2.3419, 7.691, 4.2769}
v := float32(0)
for i := range freqs {
v += (0.5 + 0.5*math.Sinf(float32(key)*freqs[i]+phase[i])) * float32(i)
}
return v / float32(len(freqs))
}
type ChartData struct{}
func (ChartData) Count() int { return 1000 }
func (ChartData) Values(i int) []int {
return []int{
int(200 * smoothrnd(float32(i+16214)/100)),
int(200 * smoothrnd(float32(i+43862)/100)),
int(200 * smoothrnd(float32(i+29435)/100)),
}
}
func (ChartData) Limits() (int, int) { return -100, 10000 }
func (ChartData) BarBrush(bar int, stack int, highlighted bool) gxui.Brush {
color := []gxui.Color{
gxui.Color{R: 0.00, G: 0.53, B: 0.74, A: 1},
gxui.Color{R: 0.00, G: 0.73, B: 0.44, A: 1},
gxui.Color{R: 0.63, G: 0.20, B: 0.24, A: 1},
}[stack]
if highlighted {
color = color.MulRGB(1.5).Saturate()
}
return gxui.CreateBrush(color)
}
func (c ChartData) LabelBackgroundBrush(bar int, stack int) gxui.Brush {
if stack < 3 {
return c.BarBrush(bar, stack, false)
} else {
return gxui.CreateBrush(gxui.Gray80)
}
}
func (c ChartData) LabelTextColor(bar int, stack int) gxui.Color {
return gxui.Black
}
func appMain(driver gxui.Driver) {
theme := dark.CreateTheme(driver)
window := theme.CreateWindow(800, 600, "Profiler chart")
window.OnClose(driver.Terminate)
gridlines := charts.DefaultGridlines
gridlines.Multiples = []int{2, 5}
chart := charts.NewBarChart(theme)
chart.SetData(ChartData{})
chart.SetOrientation(gxui.Horizontal)
chart.SetGridlines(gridlines)
chart.SetBarPen(gxui.CreatePen(1.0, gxui.Color{R: 0, G: 0.4, B: 0.5, A: 1}))
chart.OnDoubleClick(func(gxui.MouseEvent) {
chart.SetOrientation(chart.Orientation().Flip())
})
window.AddChild(chart)
}
func maybeError(err error) {
if err != nil {
panic(err)
}
}
func main() {
flag.Parse()
gl.StartDriver(appMain)
}