diff options
Diffstat (limited to 'test/pdiff')
| -rw-r--r-- | test/pdiff/pdiff.c | 38 |
1 files changed, 16 insertions, 22 deletions
diff --git a/test/pdiff/pdiff.c b/test/pdiff/pdiff.c index 3f472f3b..c4f7d531 100644 --- a/test/pdiff/pdiff.c +++ b/test/pdiff/pdiff.c @@ -175,24 +175,19 @@ XYZToLAB (float x, float y, float z, float *L, float *A, float *B) } static uint32_t -_get_pixel (cairo_surface_t *surface, int i) +_get_pixel (const uint32_t *data, int i) { - uint32_t *data; - - data = (uint32_t *) cairo_image_surface_get_data (surface); return data[i]; } static unsigned char -_get_red (cairo_surface_t *surface, int i) +_get_red (const uint32_t *data, int i) { uint32_t pixel; uint8_t alpha; - pixel = _get_pixel (surface, i); - + pixel = _get_pixel (data, i); alpha = (pixel & 0xff000000) >> 24; - if (alpha == 0) return 0; else @@ -200,15 +195,13 @@ _get_red (cairo_surface_t *surface, int i) } static unsigned char -_get_green (cairo_surface_t *surface, int i) +_get_green (const uint32_t *data, int i) { uint32_t pixel; uint8_t alpha; - pixel = _get_pixel (surface, i); - + pixel = _get_pixel (data, i); alpha = (pixel & 0xff000000) >> 24; - if (alpha == 0) return 0; else @@ -216,15 +209,13 @@ _get_green (cairo_surface_t *surface, int i) } static unsigned char -_get_blue (cairo_surface_t *surface, int i) +_get_blue (const uint32_t *data, int i) { uint32_t pixel; uint8_t alpha; - pixel = _get_pixel (surface, i); - + pixel = _get_pixel (data, i); alpha = (pixel & 0xff000000) >> 24; - if (alpha == 0) return 0; else @@ -281,6 +272,7 @@ pdiff_compare (cairo_surface_t *surface_a, float cpd[MAX_PYR_LEVELS]; float F_freq[MAX_PYR_LEVELS - 2]; float csf_max; + const uint32_t *data_a, *data_b; unsigned int pixels_failed; @@ -303,19 +295,21 @@ pdiff_compare (cairo_surface_t *surface_a, aB = xmalloc (dim * sizeof (float)); bB = xmalloc (dim * sizeof (float)); + data_a = (uint32_t *) cairo_image_surface_get_data (surface_a); + data_b = (uint32_t *) cairo_image_surface_get_data (surface_b); for (y = 0; y < h; y++) { for (x = 0; x < w; x++) { float r, g, b, l; i = x + y * w; - r = powf(_get_red (surface_a, i) / 255.0f, gamma); - g = powf(_get_green (surface_a, i) / 255.0f, gamma); - b = powf(_get_blue (surface_a, i) / 255.0f, gamma); + r = powf(_get_red (data_a, i) / 255.0f, gamma); + g = powf(_get_green (data_a, i) / 255.0f, gamma); + b = powf(_get_blue (data_a, i) / 255.0f, gamma); AdobeRGBToXYZ(r,g,b,&aX[i],&aY[i],&aZ[i]); XYZToLAB(aX[i], aY[i], aZ[i], &l, &aA[i], &aB[i]); - r = powf(_get_red (surface_b, i) / 255.0f, gamma); - g = powf(_get_green (surface_b, i) / 255.0f, gamma); - b = powf(_get_blue (surface_b, i) / 255.0f, gamma); + r = powf(_get_red (data_b, i) / 255.0f, gamma); + g = powf(_get_green (data_b, i) / 255.0f, gamma); + b = powf(_get_blue (data_b, i) / 255.0f, gamma); AdobeRGBToXYZ(r,g,b,&bX[i],&bY[i],&bZ[i]); XYZToLAB(bX[i], bY[i], bZ[i], &l, &bA[i], &bB[i]); |