imagecreate — Frees memory allocated for a previously loaded or created image.
Here is an example of the imagefree opcode. It uses the file imageopcodes.csd.
Example 387. Example of the imagefree opcode.
<CsoundSynthesizer> <CsOptions> ; Select audio/midi flags here according to platform -n ;no sound output </CsOptions> <CsInstruments> sr=48000 ksmps=1 nchnls=2 ; this test .csd copies image.png into a new file 'imageout.png' giimage1 imageload "image.png" giimagew, giimageh imagesize giimage1 giimage2 imagecreate giimagew,giimageh instr 1 kndx = 0 kx_ linseg 0, p3, 1 ;print imagewidth and imageheigth of image.png prints "imagewidth = %f pixels, imageheigth = %f pixels\\n", giimagew, giimageh myloop: ky_ = kndx/(giimageh) kr_, kg_, kb_ imagegetpixel giimage1, kx_, ky_ imagesetpixel giimage2, kx_, ky_, kr_, kg_, kb_ loop_lt kndx, 0.5, giimageh, myloop endin instr 2 imagesave giimage2, "imageout.png" endin instr 3 imagefree giimage1 imagefree giimage2 endin </CsInstruments> <CsScore> i1 1 1 i2 2 1 i3 3 1 e </CsScore> </CsoundSynthesizer>