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author | Alexander Neumann <alexander.neumann@picos-software.com> | 2019-11-28 15:47:48 +0100 |
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committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-11-28 16:23:32 +0100 |
commit | 32fa31aeac72c20732b4af5de87d9c1526c94b7c (patch) | |
tree | 8a7744de5395717ef324f5ca743016e65775203a /ui/iconprovider.go | |
parent | mod: bump (diff) | |
download | wireguard-windows-an/status-image.tar.xz wireguard-windows-an/status-image.zip |
ui: make confview status image look the same as in listviewan/status-image
Signed-off-by: Alexander Neumann <alexander.neumann@picos-software.com>
Diffstat (limited to 'ui/iconprovider.go')
-rw-r--r-- | ui/iconprovider.go | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/ui/iconprovider.go b/ui/iconprovider.go index e5177ac3..c4daa61e 100644 --- a/ui/iconprovider.go +++ b/ui/iconprovider.go @@ -84,6 +84,45 @@ func iconForState(state manager.TunnelState, size int) (icon *walk.Icon, err err return } +var cachedBitmapsForWidthAndState = make(map[widthAndState]*walk.Bitmap) + +func bitmapForState(state manager.TunnelState, iconSize, margin, dpi int) (bitmap *walk.Bitmap, err error) { + icon, err := iconForState(state, iconSize) + if err != nil { + return + } + + bitmapSize := walk.IntFrom96DPI(iconSize+margin*2, dpi) + + cacheKey := widthAndState{bitmapSize, state} + if cacheValue, ok := cachedBitmapsForWidthAndState[cacheKey]; ok { + bitmap = cacheValue + return + } + + bitmap, err = walk.NewBitmapWithTransparentPixelsForDPI(walk.Size{bitmapSize, bitmapSize}, dpi) + if err != nil { + return + } + + var canvas *walk.Canvas + canvas, err = walk.NewCanvasFromImage(bitmap) + if err != nil { + return + } + + bounds := walk.Rectangle{X: margin, Y: margin, Height: iconSize, Width: iconSize} + err = canvas.DrawImageStretchedPixels(icon, bounds) + canvas.Dispose() + if err != nil { + return + } + + cachedBitmapsForWidthAndState[cacheKey] = bitmap + + return +} + func textForState(state manager.TunnelState, withEllipsis bool) (text string) { switch state { case manager.TunnelStarted: |