Private
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17 lines
723 B
C
17 lines
723 B
C
#include <assert.h>
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#include <stdio.h>
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#include "interpolation.h"
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int main(void){
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const unsigned char a[3]={255,0,0},b[3]={0,255,0};unsigned char out[3];
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blend_color(a,b,0,out);assert(out[0]==255 && out[1]==0 && out[2]==0);
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blend_color(a,b,65535,out);assert(out[0]==0 && out[1]==255 && out[2]==0);
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blend_color(a,b,32768,out);assert(out[0]==127 && out[1]==128 && out[2]==0);
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unsigned previous=0;
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for(unsigned w=0;w<=65535;w++){
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blend_color(a,b,w,out);assert(out[1]>=previous && out[2]==0);previous=out[1];
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unsigned char gray[3]={173,173,173};blend_color(gray,gray,w,out);
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assert(out[0]==173 && out[1]==173 && out[2]==173);
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}
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puts("PASS: endpoints, midpoint, all weights monotonic, constant gray preserved");
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}
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