send alpha, if needed
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0ede282b73
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@ -45,10 +45,15 @@ func commandsFromImage(img *image.NRGBA, offset image.Point) (cmds commands) {
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if c.A == 0 {
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if c.A == 0 {
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continue
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continue
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}
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}
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// @incomplete: also send alpha? -> bandwidth tradeoff
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var cmd string
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// @speed: this sprintf call is quite slow..
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if c.A != 255 {
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cmd := fmt.Sprintf("PX %d %d %.2x%.2x%.2x\n",
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cmd = fmt.Sprintf("PX %d %d %.2x%.2x%.2x%.2x\n",
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x+offset.X, y+offset.Y, c.R, c.G, c.B)
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x+offset.X, y+offset.Y, c.R, c.G, c.B, c.A)
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} else {
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// @speed: this sprintf call is quite slow..
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cmd = fmt.Sprintf("PX %d %d %.2x%.2x%.2x\n",
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x+offset.X, y+offset.Y, c.R, c.G, c.B)
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}
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cmds[numCmds] = []byte(cmd)
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cmds[numCmds] = []byte(cmd)
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numCmds++
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numCmds++
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}
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}
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