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| author | Simon Robertshaw <simon@hardwired.org.uk> | 2011-06-03 22:54:08 (GMT) |
|---|---|---|
| committer | Simon Robertshaw <simon@hardwired.org.uk> | 2011-06-03 22:54:08 (GMT) |
| commit | 41d8e316cd9dc9c30a5d7c314af741eeaa048b66 (patch) | |
| tree | 5647a20dc0a5ddcd050b378564d54726bfb6258d /src | |
| parent | 45e91c15b200749e52b7510601a0046855d94c24 (diff) | |
| download | powder-41d8e316cd9dc9c30a5d7c314af741eeaa048b66.zip powder-41d8e316cd9dc9c30a5d7c314af741eeaa048b66.tar.gz | |
Use bilinear interpolation for everything
Diffstat (limited to 'src')
| -rw-r--r-- | src/graphics.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/graphics.c b/src/graphics.c index df5b96c..990fae5 100644 --- a/src/graphics.c +++ b/src/graphics.c @@ -147,7 +147,8 @@ pixel *resample_img(pixel *src, int sw, int sh, int rw, int rh) pixel *q; q = malloc(rw*rh*PIXELSIZE); //TODO: Actual resampling, this is just cheap nearest pixel crap - if(rw > sw && rh > sh){ + //if(rw > sw && rh > sh){ + //if(1){ float fx, fy, fyc, fxc, intp; pixel tr, tl, br, bl; //Bilinear interpolation for upscaling @@ -168,13 +169,13 @@ pixel *resample_img(pixel *src, int sw, int sh, int rw, int rh) (int)(((((float)PIXB(tl))*(1.0f-fxc))+(((float)PIXB(tr))*(fxc)))*(1.0f-fyc) + ((((float)PIXB(bl))*(1.0f-fxc))+(((float)PIXB(br))*(fxc)))*(fyc)) ); } - } else { - for (y=0; y<rh; y++) - for (x=0; x<rw; x++) - { - q[rw*y+x] = src[sw*(y*sh/rh)+(x*sw/rw)]; - } - } + //} else { + // for (y=0; y<rh; y++) + // for (x=0; x<rw; x++) + // { + // q[rw*y+x] = src[sw*(y*sh/rh)+(x*sw/rw)]; + // } + //} //*qw = w; //*qh = h; return q; |