func (s *Screen) Initialize(window *glfw.Window, shutdownGLFWOnDestruct bool) {
s.window = window
s.shutdownGLFWOnDestruct = shutdownGLFWOnDestruct
s.w, s.h = window.GetSize()
s.fbW, s.fbH = window.GetFramebufferSize()
var err error
s.context, err = nanovgo.NewContext(nanovgo.StencilStrokes | nanovgo.AntiAlias)
if err != nil {
panic(err)
}
s.visible = true //window.GetAttrib(glfw.Visible)
s.theme = NewStandardTheme(s.context)
s.mousePosX = 0
s.mousePosY = 0
s.mouseState = 0
s.modifiers = 0
s.dragActive = false
s.lastInteraction = GetTime()
nanoguiScreens[window] = s
runtime.SetFinalizer(s, finalizeScreen)
}
func main() {
err := glfw.Init(gl.ContextWatcher)
if err != nil {
panic(err)
}
defer glfw.Terminate()
glfw.WindowHint(glfw.StencilBits, 1)
glfw.WindowHint(glfw.Samples, 4)
window, err := glfw.CreateWindow(1000*0.6, 600*0.6, "NanoVGo", nil, nil)
if err != nil {
panic(err)
}
window.SetKeyCallback(key)
window.MakeContextCurrent()
ctx, err := nanovgo.NewContext(0)
defer ctx.Delete()
if err != nil {
panic(err)
}
demoData := LoadDemo(ctx)
glfw.SwapInterval(0)
fps := perfgraph.NewPerfGraph("Frame Time", "sans")
for !window.ShouldClose() {
t, _ := fps.UpdateGraph()
fbWidth, fbHeight := window.GetFramebufferSize()
winWidth, winHeight := window.GetSize()
mx, my := window.GetCursorPos()
pixelRatio := float32(fbWidth) / float32(winWidth)
gl.Viewport(0, 0, fbWidth, fbHeight)
if premult {
gl.ClearColor(0, 0, 0, 0)
} else {
gl.ClearColor(0.3, 0.3, 0.32, 1.0)
}
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Enable(gl.CULL_FACE)
gl.Disable(gl.DEPTH_TEST)
ctx.BeginFrame(winWidth, winHeight, pixelRatio)
demo.RenderDemo(ctx, float32(mx), float32(my), float32(winWidth), float32(winHeight), t, blowup, demoData)
fps.RenderGraph(ctx, 5, 5)
ctx.EndFrame()
gl.Enable(gl.DEPTH_TEST)
window.SwapBuffers()
glfw.PollEvents()
}
demoData.FreeData(ctx)
}