I think the upload has ruined the frames. I'll try another gif tomorrow. On Saturday, 21 January 2017 16:57:15 UTC, andrey mirtchovski wrote: > > I see only a single frame in your source file. I ran your program on > another gif and got the expected result: > > http://i.imgur.com/HOnlU1q.gif > http://i.imgur.com/GnSUHQ1.gif > > On Sat, Jan 21, 2017 at 8:54 AM, kalekold via golang-nuts > <golan...@googlegroups.com <javascript:>> wrote: > > Hi, > > > > I'm trying to draw some text on an animated gif and I'm having a few > > problems. > > > > I have a source gif (attached as fire.gif) which I can decode fine and > pass > > the frames to the drawing lib. > > The problem occurs when I'm trying to replace the original frames with > ones > > I've modified. I always seem to get the same result (see attached > out.gif). > > The text seems to be drawn fine but the other frames which contain the > > animation seem to be missing. > > > > Here's the code: > > > > package main > > > > import ( > > "image" > > "image/draw" > > "image/gif" > > "log" > > "os" > > > > > > "github.com/fogleman/gg" > > ) > > > > func main() { > > > > in, err := os.Open("/home/gary/Desktop/fire.gif") > > if err != nil { > > log.Fatalln(err) > > } > > defer in.Close() > > > > decoded, err := gif.DecodeAll(in) > > if err != nil { > > log.Fatalln(err) > > } > > > > for x := 0; x < len(decoded.Image); x++ { > > frame := decoded.Image[x] > > ctx := gg.NewContextForImage(frame) > > ctx.SetHexColor("#FFF") > > ctx.DrawStringWrapped("Lorem ipsum dolor sit amet", 10, 10, 0, > 0, > > 500, 1.4, gg.AlignLeft) > > > > palImg := image.NewPaletted(frame.Bounds(), frame.Palette) > > draw.FloydSteinberg.Draw(palImg, frame.Bounds(), ctx.Image(), > > image.ZP) > > > > decoded.Image[x] = palImg > > } > > > > out, err := os.Create("/home/gary/Desktop/out.gif") > > if err != nil { > > log.Fatalln(err) > > } > > defer out.Close() > > > > err = gif.EncodeAll(out, decoded) > > if err != nil { > > log.Fatalln(err) > > } > > } > > > > > > Any ideas how to compile the changed frame to give me the correct > output? > > > > -- > > You received this message because you are subscribed to the Google > Groups > > "golang-nuts" group. > > To unsubscribe from this group and stop receiving emails from it, send > an > > email to golang-nuts...@googlegroups.com <javascript:>. > > For more options, visit https://groups.google.com/d/optout. >
-- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
