func newResBitmap(ri *ResBmpInfo) *gform.Bitmap {
bmp, err := gform.NewBitmapFromResource(gform.GetAppInstance(), ri.ResName, ri.ResType, ri.BgColor)
if err != nil {
panic("Load bitmap from resource failed")
}
return bmp
}
func onpaint(arg *gform.EventArg) {
if data, ok := arg.Data().(*gform.PaintEventData); ok {
if bmp, err := gform.NewBitmapFromResource(
gform.GetAppInstance(),
w32.MakeIntResource(IDR_PNG1),
syscall.StringToUTF16Ptr("PNG"),
gform.RGB(255, 0, 0)); err == nil {
data.Canvas.DrawBitmap(bmp, 10, 10)
bmp.Dispose()
} else {
println(err.Error())
}
}
}
func mainform_OnPaint(arg *gform.EventArg) {
var mf *Mainform
var ok bool
var data *gform.PaintEventData
if mf, ok = arg.Sender().(*Mainform); ok {
if data, ok = arg.Data().(*gform.PaintEventData); ok {
gResMainformBkColor := gform.RGB(255, 255, 255)
bkBrush := gform.NewSolidColorBrush(gResMainformBkColor)
defer bkBrush.Dispose()
borderBrush := gform.NewSolidColorBrush(gform.RGB(154, 154, 154))
defer borderBrush.Dispose()
borderPen := gform.NewPen(w32.PS_COSMETIC|w32.PS_SOLID, 1, borderBrush)
defer borderPen.Dispose()
data.Canvas.DrawRect(mf.ClientRect(), borderPen, bkBrush)
// Draw title bar
w := mf.Width()
titleRect := gform.NewRect(1, 1, w-1, 22)
titleBrush := gform.NewSolidColorBrush(gMainformTitleBarColor)
defer titleBrush.Dispose()
data.Canvas.FillRect(titleRect, titleBrush)
// Draw title text
f := gform.NewFont("Bauhaus 93", 9, 0)
defer f.Dispose()
titleRect.Inflate(-5, 0)
data.Canvas.DrawText(mf.Caption(), titleRect, w32.DT_LEFT|w32.DT_VCENTER|w32.DT_SINGLELINE, f, gResMainformBkColor)
// Draw "Drop Here"
f = gform.NewFont("Bauhaus 93", 25, gform.FontBold)
defer f.Dispose()
bodyRect := gform.NewRect(1, 50, w-1, 120)
data.Canvas.DrawText("Drop Here", bodyRect, w32.DT_CENTER|w32.DT_VCENTER|w32.DT_SINGLELINE, f, gform.RGB(187, 187, 187))
// Draw drop arrow
if bmp, err := gform.NewBitmapFromResource(gform.GetAppInstance(), w32.MakeIntResource(IDR_DROPARROW), gResPNG, gResMainformBkColor); err == nil {
data.Canvas.DrawBitmap(bmp, (w-bmp.Width())/2, 110)
bmp.Dispose()
}
// Draw bottom panel
h := mf.Height()
bottomRect := gform.NewRect(1, 150, w-1, h-1)
data.Canvas.FillRect(bottomRect, titleBrush)
}
}
}