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package nucular
import (
"bufio"
"fmt"
"image"
"image/draw"
"image/png"
"os"
"sync"
"sync/atomic"
"time"
"github.com/aarzilli/nucular/command"
"github.com/aarzilli/nucular/rect"
nstyle "github.com/aarzilli/nucular/style"
)
type MasterWindow interface {
context() *context
Main()
Changed()
Close()
Closed() bool
ActivateEditor(ed *TextEditor)
Style() *nstyle.Style
SetStyle(*nstyle.Style)
GetPerf() bool
SetPerf(bool)
Input() *Input
PopupOpen(title string, flags WindowFlags, rect rect.Rect, scale bool, updateFn UpdateFn)
Walk(WindowWalkFn)
ResetWindows() *DockSplit
Lock()
Unlock()
}
func NewMasterWindow(flags WindowFlags, title string, updatefn UpdateFn) MasterWindow {
return NewMasterWindowSize(flags, title, image.Point{640, 480}, updatefn)
}
type WindowWalkFn func(title string, data interface{}, docked bool, splitSize int, rect rect.Rect)
type masterWindowCommon struct {
ctx *context
layout panel
// show performance counters
Perf bool
uilock sync.Mutex
prevCmds []command.Command
}
func (mw *masterWindowCommon) masterWindowCommonInit(ctx *context, flags WindowFlags, updatefn UpdateFn, wnd MasterWindow) {
ctx.Input.Mouse.valid = true
ctx.DockedWindows.Split.MinSize = 40
mw.layout.Flags = flags
ctx.setupMasterWindow(&mw.layout, updatefn)
mw.ctx = ctx
mw.ctx.mw = wnd
mw.SetStyle(nstyle.FromTheme(nstyle.DefaultTheme, 1.0))
}
func (mw *masterWindowCommon) context() *context {
return mw.ctx
}
func (mw *masterWindowCommon) Walk(fn WindowWalkFn) {
mw.ctx.Walk(fn)
}
func (mw *masterWindowCommon) ResetWindows() *DockSplit {
return mw.ctx.ResetWindows()
}
func (mw *masterWindowCommon) Input() *Input {
return &mw.ctx.Input
}
func (mw *masterWindowCommon) ActivateEditor(ed *TextEditor) {
mw.ctx.activateEditor = ed
}
func (mw *masterWindowCommon) Style() *nstyle.Style {
return &mw.ctx.Style
}
func (mw *masterWindowCommon) SetStyle(style *nstyle.Style) {
mw.ctx.Style = *style
mw.ctx.Style.Defaults()
}
func (mw *masterWindowCommon) GetPerf() bool {
return mw.Perf
}
func (mw *masterWindowCommon) SetPerf(perf bool) {
mw.Perf = perf
}
// Forces an update of the window.
func (mw *masterWindowCommon) Changed() {
atomic.AddInt32(&mw.ctx.changed, 1)
}
func (mw *masterWindowCommon) Lock() {
mw.uilock.Lock()
}
func (mw *masterWindowCommon) Unlock() {
mw.uilock.Unlock()
}
// Opens a popup window inside win. Will return true until the
// popup window is closed.
// The contents of the popup window will be updated by updateFn
func (mw *masterWindowCommon) PopupOpen(title string, flags WindowFlags, rect rect.Rect, scale bool, updateFn UpdateFn) {
go func() {
mw.ctx.mw.Lock()
defer mw.ctx.mw.Unlock()
mw.ctx.popupOpen(title, flags, rect, scale, updateFn)
mw.ctx.mw.Changed()
}()
}
var frameCnt int
func (w *masterWindowCommon) dumpFrame(wimg *image.RGBA, t0, t1, te time.Time, nprimitives int) {
bounds := image.Rect(w.ctx.Input.Mouse.Pos.X, w.ctx.Input.Mouse.Pos.Y, w.ctx.Input.Mouse.Pos.X+10, w.ctx.Input.Mouse.Pos.Y+10)
draw.Draw(wimg, bounds, image.White, bounds.Min, draw.Src)
if fh, err := os.Create(fmt.Sprintf("framedump/frame%03d.png", frameCnt)); err == nil {
png.Encode(fh, wimg)
fh.Close()
}
if fh, err := os.Create(fmt.Sprintf("framedump/frame%03d.txt", frameCnt)); err == nil {
wr := bufio.NewWriter(fh)
fps := 1.0 / te.Sub(t0).Seconds()
tot := time.Duration(0)
fmt.Fprintf(wr, "# Update %0.4fms = %0.4f updatefn + %0.4f draw (%d primitives) [max fps %0.2f]\n", te.Sub(t0).Seconds()*1000, t1.Sub(t0).Seconds()*1000, te.Sub(t1).Seconds()*1000, nprimitives, fps)
for i := range w.prevCmds {
fmt.Fprintf(wr, "%0.2fms %#v\n", w.ctx.cmdstim[i].Seconds()*1000, w.prevCmds[i])
tot += w.ctx.cmdstim[i]
}
fmt.Fprintf(wr, "sanity check %0.2fms\n", tot.Seconds()*1000)
wr.Flush()
fh.Close()
}
frameCnt++
}
// compares cmds to the last draw frame, returns true if there is a change
func (w *masterWindowCommon) drawChanged() bool {
contextAllCommands(w.ctx)
w.ctx.Reset()
cmds := w.ctx.cmds
if len(cmds) != len(w.prevCmds) {
return true
}
for i := range cmds {
if cmds[i].Kind != w.prevCmds[i].Kind {
return true
}
cmd := &cmds[i]
pcmd := &w.prevCmds[i]
switch cmds[i].Kind {
case command.ScissorCmd:
if *pcmd != *cmd {
return true
}
case command.LineCmd:
if *pcmd != *cmd {
return true
}
case command.RectFilledCmd:
if i == 0 {
cmd.RectFilled.Color.A = 0xff
}
if *pcmd != *cmd {
return true
}
case command.TriangleFilledCmd:
if *pcmd != *cmd {
return true
}
case command.CircleFilledCmd:
if *pcmd != *cmd {
return true
}
case command.ImageCmd:
if *pcmd != *cmd {
return true
}
case command.TextCmd:
if *pcmd != *cmd {
return true
}
default:
panic(UnknownCommandErr)
}
}
return false
}
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