imagefree

imagefree
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imagecreate — Frees memory allocated for a previously loaded or created image.

Description

Frees memory allocated for a previously loaded or created image.

Syntax

imagefree iimagenum

Initialization

iimagenum -- reference of the image to free.

Examples

Here is an example of the imagefree opcode. It uses the file imageopcodes.csd.

Example 207. Example of the imagefree opcode.

<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
; Audio out   Audio in
;-odac           -iadc    ;;;RT audio I/O
; For Non-realtime ouput leave only the line below:
-o imageopcodes.wav -W ;;; for file output any platform
</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

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>

Credits

Author: Cesare Marilungo

New in version 5.08