Search found 4 matches

by djense2000
2011-09-07T17:14:05-07:00
Forum: MagickWand
Topic: Handling / creating a GIF animation with MagickWand
Replies: 1
Views: 8619

Re: Handling / creating a GIF animation with MagickWand

There was several problems.... 1) create the image correctly : MagickNewImage(reconstructed_images, width, height, bg_pxl_wnd); MagickSetIteratorIndex(reconstructed_images, frame); MagickSetImagePage(reconstructed_images, width, height, 0,0); 2) The call to PixelSyncIterator(iterator); should be one...
by djense2000
2011-09-06T17:01:18-07:00
Forum: MagickWand
Topic: Handling / creating a GIF animation with MagickWand
Replies: 1
Views: 8619

Handling / creating a GIF animation with MagickWand

Well, actually it's not really like creating a GIF animation, but close... I already have a GIF animation and most of the layers have transparency and so when displayed, each frame is composed with the previous layers, the first is a white background of the size of the overall image (I hope I am exp...
by djense2000
2011-09-06T11:05:41-07:00
Forum: Users
Topic: MagickWand C API, error when calling DestroyPixelWands
Replies: 2
Views: 4723

Re: MagickWand C API, error when calling DestroyPixelWands

Got it.

Thanks a lot for the quick reply !!
by djense2000
2011-09-06T10:46:21-07:00
Forum: Users
Topic: MagickWand C API, error when calling DestroyPixelWands
Replies: 2
Views: 4723

MagickWand C API, error when calling DestroyPixelWands

I am starting to use ImageMagick and the MagickWand API in a simple C program. Right now, as a test, I am just looking for black pixels in a frame. Here is my code : int find_black_pixel(MagickWand *wand) { int res = 0; PixelIterator * iterator = NewPixelIterator(wand); size_t width=MagickGetImageWi...