mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-12-25 17:36:18 +03:00
convert tabs to spaces
This commit is contained in:
homm
parent
9634e437ef
commit
626acf705f
|
|
@ -48,9 +48,9 @@
|
|||
static inline UINT8 clip(double in)
|
||||
{
|
||||
if (in >= 255.0)
|
||||
return (UINT8) 255;
|
||||
return (UINT8) 255;
|
||||
if (in <= 0.0)
|
||||
return (UINT8) 0;
|
||||
return (UINT8) 0;
|
||||
return (UINT8) in;
|
||||
}
|
||||
|
||||
|
|
@ -108,31 +108,31 @@ gblur(Imaging im, Imaging imOut, float floatRadius, int channels, int padding)
|
|||
maskData = malloc(radius * sizeof(float));
|
||||
/* FIXME: error checking */
|
||||
for (x = 0; x < radius; x++) {
|
||||
z = ((float) (x + 2) / ((float) radius));
|
||||
dev = 0.5 + (((float) (radius * radius)) * 0.001);
|
||||
/* you can adjust this factor to change the shape/center-weighting
|
||||
of the gaussian */
|
||||
maskData[x] = (float) pow((1.0 / sqrt(2.0 * 3.14159265359 * dev)),
|
||||
((-(z - 1.0) * -(x - 1.0)) /
|
||||
(2.0 * dev)));
|
||||
z = ((float) (x + 2) / ((float) radius));
|
||||
dev = 0.5 + (((float) (radius * radius)) * 0.001);
|
||||
/* you can adjust this factor to change the shape/center-weighting
|
||||
of the gaussian */
|
||||
maskData[x] = (float) pow((1.0 / sqrt(2.0 * 3.14159265359 * dev)),
|
||||
((-(z - 1.0) * -(x - 1.0)) /
|
||||
(2.0 * dev)));
|
||||
}
|
||||
|
||||
/* if there's any remainder, multiply the first/last values in
|
||||
MaskData it. this allows us to support float radius values. */
|
||||
if (remainder > 0.0) {
|
||||
maskData[0] *= remainder;
|
||||
maskData[radius - 1] *= remainder;
|
||||
maskData[0] *= remainder;
|
||||
maskData[radius - 1] *= remainder;
|
||||
}
|
||||
|
||||
for (x = 0; x < radius; x++) {
|
||||
/* this is done separately now due to the correction for float
|
||||
radius values above */
|
||||
sum += maskData[x];
|
||||
/* this is done separately now due to the correction for float
|
||||
radius values above */
|
||||
sum += maskData[x];
|
||||
}
|
||||
|
||||
for (i = 0; i < radius; i++) {
|
||||
maskData[i] *= (1.0 / sum);
|
||||
/* printf("%f\n", maskData[i]); */
|
||||
maskData[i] *= (1.0 / sum);
|
||||
/* printf("%f\n", maskData[i]); */
|
||||
}
|
||||
|
||||
/* create a temporary memory buffer for the data for the first pass
|
||||
|
|
@ -140,9 +140,9 @@ gblur(Imaging im, Imaging imOut, float floatRadius, int channels, int padding)
|
|||
|
||||
/* don't bother about alpha/padding */
|
||||
buffer = calloc((size_t) (im->xsize * im->ysize * channels),
|
||||
sizeof(float));
|
||||
sizeof(float));
|
||||
if (buffer == NULL)
|
||||
return ImagingError_MemoryError();
|
||||
return ImagingError_MemoryError();
|
||||
|
||||
/* be nice to other threads while you go off to lala land */
|
||||
ImagingSectionEnter(&cookie);
|
||||
|
|
@ -153,94 +153,94 @@ gblur(Imaging im, Imaging imOut, float floatRadius, int channels, int padding)
|
|||
|
||||
/* perform a blur on each line, and place in the temporary storage buffer */
|
||||
for (y = 0; y < im->ysize; y++) {
|
||||
if (channels == 1 && im->image8 != NULL) {
|
||||
line8 = (UINT8 *) im->image8[y];
|
||||
} else {
|
||||
line = im->image32[y];
|
||||
}
|
||||
for (x = 0; x < im->xsize; x++) {
|
||||
newPixel[0] = newPixel[1] = newPixel[2] = newPixel[3] = 0;
|
||||
/* for each neighbor pixel, factor in its value/weighting to the
|
||||
current pixel */
|
||||
for (pix = 0; pix < radius; pix++) {
|
||||
/* figure the offset of this neighbor pixel */
|
||||
offset =
|
||||
(int) ((-((float) radius / 2.0) + (float) pix) + 0.5);
|
||||
if (x + offset < 0)
|
||||
offset = -x;
|
||||
else if (x + offset >= im->xsize)
|
||||
offset = im->xsize - x - 1;
|
||||
if (channels == 1 && im->image8 != NULL) {
|
||||
line8 = (UINT8 *) im->image8[y];
|
||||
} else {
|
||||
line = im->image32[y];
|
||||
}
|
||||
for (x = 0; x < im->xsize; x++) {
|
||||
newPixel[0] = newPixel[1] = newPixel[2] = newPixel[3] = 0;
|
||||
/* for each neighbor pixel, factor in its value/weighting to the
|
||||
current pixel */
|
||||
for (pix = 0; pix < radius; pix++) {
|
||||
/* figure the offset of this neighbor pixel */
|
||||
offset =
|
||||
(int) ((-((float) radius / 2.0) + (float) pix) + 0.5);
|
||||
if (x + offset < 0)
|
||||
offset = -x;
|
||||
else if (x + offset >= im->xsize)
|
||||
offset = im->xsize - x - 1;
|
||||
|
||||
/* add (neighbor pixel value * maskData[pix]) to the current
|
||||
pixel value */
|
||||
if (channels == 1) {
|
||||
buffer[(y * im->xsize) + x] +=
|
||||
((float) ((UINT8 *) & line8[x + offset])[0]) *
|
||||
(maskData[pix]);
|
||||
} else {
|
||||
for (channel = 0; channel < channels; channel++) {
|
||||
buffer[(y * im->xsize * channels) +
|
||||
(x * channels) + channel] +=
|
||||
((float) ((UINT8 *) & line[x + offset])
|
||||
[channel]) * (maskData[pix]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
/* add (neighbor pixel value * maskData[pix]) to the current
|
||||
pixel value */
|
||||
if (channels == 1) {
|
||||
buffer[(y * im->xsize) + x] +=
|
||||
((float) ((UINT8 *) & line8[x + offset])[0]) *
|
||||
(maskData[pix]);
|
||||
} else {
|
||||
for (channel = 0; channel < channels; channel++) {
|
||||
buffer[(y * im->xsize * channels) +
|
||||
(x * channels) + channel] +=
|
||||
((float) ((UINT8 *) & line[x + offset])
|
||||
[channel]) * (maskData[pix]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* perform a blur on each column in the buffer, and place in the
|
||||
output image */
|
||||
for (x = 0; x < im->xsize; x++) {
|
||||
for (y = 0; y < im->ysize; y++) {
|
||||
newPixel[0] = newPixel[1] = newPixel[2] = newPixel[3] = 0;
|
||||
/* for each neighbor pixel, factor in its value/weighting to the
|
||||
current pixel */
|
||||
for (pix = 0; pix < radius; pix++) {
|
||||
/* figure the offset of this neighbor pixel */
|
||||
offset =
|
||||
(int) (-((float) radius / 2.0) + (float) pix + 0.5);
|
||||
if (y + offset < 0)
|
||||
offset = -y;
|
||||
else if (y + offset >= im->ysize)
|
||||
offset = im->ysize - y - 1;
|
||||
/* add (neighbor pixel value * maskData[pix]) to the current
|
||||
pixel value */
|
||||
for (channel = 0; channel < channels; channel++) {
|
||||
newPixel[channel] +=
|
||||
(buffer
|
||||
[((y + offset) * im->xsize * channels) +
|
||||
(x * channels) + channel]) * (maskData[pix]);
|
||||
}
|
||||
}
|
||||
/* if the image is RGBX or RGBA, copy the 4th channel data to
|
||||
newPixel, so it gets put in imOut */
|
||||
if (strcmp(im->mode, "RGBX") == 0
|
||||
|| strcmp(im->mode, "RGBA") == 0) {
|
||||
newPixel[3] = (float) ((UINT8 *) & line[x + offset])[3];
|
||||
}
|
||||
for (y = 0; y < im->ysize; y++) {
|
||||
newPixel[0] = newPixel[1] = newPixel[2] = newPixel[3] = 0;
|
||||
/* for each neighbor pixel, factor in its value/weighting to the
|
||||
current pixel */
|
||||
for (pix = 0; pix < radius; pix++) {
|
||||
/* figure the offset of this neighbor pixel */
|
||||
offset =
|
||||
(int) (-((float) radius / 2.0) + (float) pix + 0.5);
|
||||
if (y + offset < 0)
|
||||
offset = -y;
|
||||
else if (y + offset >= im->ysize)
|
||||
offset = im->ysize - y - 1;
|
||||
/* add (neighbor pixel value * maskData[pix]) to the current
|
||||
pixel value */
|
||||
for (channel = 0; channel < channels; channel++) {
|
||||
newPixel[channel] +=
|
||||
(buffer
|
||||
[((y + offset) * im->xsize * channels) +
|
||||
(x * channels) + channel]) * (maskData[pix]);
|
||||
}
|
||||
}
|
||||
/* if the image is RGBX or RGBA, copy the 4th channel data to
|
||||
newPixel, so it gets put in imOut */
|
||||
if (strcmp(im->mode, "RGBX") == 0
|
||||
|| strcmp(im->mode, "RGBA") == 0) {
|
||||
newPixel[3] = (float) ((UINT8 *) & line[x + offset])[3];
|
||||
}
|
||||
|
||||
/* pack the channels into an INT32 so we can put them back in
|
||||
the PIL image */
|
||||
newPixelFinals = 0;
|
||||
if (channels == 1) {
|
||||
newPixelFinals = clip(newPixel[0]);
|
||||
} else {
|
||||
/* for RGB, the fourth channel isn't used anyways, so just
|
||||
pack a 0 in there, this saves checking the mode for each
|
||||
pixel. */
|
||||
/* this doesn't work on little-endian machines... fix it! */
|
||||
newPixelFinals =
|
||||
clip(newPixel[0]) | clip(newPixel[1]) << 8 |
|
||||
clip(newPixel[2]) << 16 | clip(newPixel[3]) << 24;
|
||||
}
|
||||
/* set the resulting pixel in imOut */
|
||||
if (channels == 1) {
|
||||
imOut->image8[y][x] = (UINT8) newPixelFinals;
|
||||
} else {
|
||||
imOut->image32[y][x] = newPixelFinals;
|
||||
}
|
||||
}
|
||||
/* pack the channels into an INT32 so we can put them back in
|
||||
the PIL image */
|
||||
newPixelFinals = 0;
|
||||
if (channels == 1) {
|
||||
newPixelFinals = clip(newPixel[0]);
|
||||
} else {
|
||||
/* for RGB, the fourth channel isn't used anyways, so just
|
||||
pack a 0 in there, this saves checking the mode for each
|
||||
pixel. */
|
||||
/* this doesn't work on little-endian machines... fix it! */
|
||||
newPixelFinals =
|
||||
clip(newPixel[0]) | clip(newPixel[1]) << 8 |
|
||||
clip(newPixel[2]) << 16 | clip(newPixel[3]) << 24;
|
||||
}
|
||||
/* set the resulting pixel in imOut */
|
||||
if (channels == 1) {
|
||||
imOut->image8[y][x] = (UINT8) newPixelFinals;
|
||||
} else {
|
||||
imOut->image32[y][x] = newPixelFinals;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* free the buffer */
|
||||
|
|
@ -258,29 +258,29 @@ Imaging ImagingGaussianBlur(Imaging im, Imaging imOut, float radius)
|
|||
int padding = 0;
|
||||
|
||||
if (strcmp(im->mode, "RGB") == 0) {
|
||||
channels = 3;
|
||||
padding = 1;
|
||||
channels = 3;
|
||||
padding = 1;
|
||||
} else if (strcmp(im->mode, "RGBA") == 0) {
|
||||
channels = 3;
|
||||
padding = 1;
|
||||
channels = 3;
|
||||
padding = 1;
|
||||
} else if (strcmp(im->mode, "RGBX") == 0) {
|
||||
channels = 3;
|
||||
padding = 1;
|
||||
channels = 3;
|
||||
padding = 1;
|
||||
} else if (strcmp(im->mode, "CMYK") == 0) {
|
||||
channels = 4;
|
||||
padding = 0;
|
||||
channels = 4;
|
||||
padding = 0;
|
||||
} else if (strcmp(im->mode, "L") == 0) {
|
||||
channels = 1;
|
||||
padding = 0;
|
||||
channels = 1;
|
||||
padding = 0;
|
||||
} else
|
||||
return ImagingError_ModeError();
|
||||
return ImagingError_ModeError();
|
||||
|
||||
return gblur(im, imOut, radius, channels, padding);
|
||||
}
|
||||
|
||||
Imaging
|
||||
ImagingUnsharpMask(Imaging im, Imaging imOut, float radius, int percent,
|
||||
int threshold)
|
||||
int threshold)
|
||||
{
|
||||
ImagingSectionCookie cookie;
|
||||
|
||||
|
|
@ -302,28 +302,28 @@ ImagingUnsharpMask(Imaging im, Imaging imOut, float radius, int percent,
|
|||
INT32 newPixel = 0;
|
||||
|
||||
if (strcmp(im->mode, "RGB") == 0) {
|
||||
channels = 3;
|
||||
padding = 1;
|
||||
channels = 3;
|
||||
padding = 1;
|
||||
} else if (strcmp(im->mode, "RGBA") == 0) {
|
||||
channels = 3;
|
||||
padding = 1;
|
||||
channels = 3;
|
||||
padding = 1;
|
||||
} else if (strcmp(im->mode, "RGBX") == 0) {
|
||||
channels = 3;
|
||||
padding = 1;
|
||||
channels = 3;
|
||||
padding = 1;
|
||||
} else if (strcmp(im->mode, "CMYK") == 0) {
|
||||
channels = 4;
|
||||
padding = 0;
|
||||
channels = 4;
|
||||
padding = 0;
|
||||
} else if (strcmp(im->mode, "L") == 0) {
|
||||
channels = 1;
|
||||
padding = 0;
|
||||
channels = 1;
|
||||
padding = 0;
|
||||
} else
|
||||
return ImagingError_ModeError();
|
||||
return ImagingError_ModeError();
|
||||
|
||||
/* first, do a gaussian blur on the image, putting results in imOut
|
||||
temporarily */
|
||||
result = gblur(im, imOut, radius, channels, padding);
|
||||
if (!result)
|
||||
return NULL;
|
||||
return NULL;
|
||||
|
||||
/* now, go through each pixel, compare "normal" pixel to blurred
|
||||
pixel. if the difference is more than threshold values, apply
|
||||
|
|
@ -333,63 +333,63 @@ ImagingUnsharpMask(Imaging im, Imaging imOut, float radius, int percent,
|
|||
ImagingSectionEnter(&cookie);
|
||||
|
||||
for (y = 0; y < im->ysize; y++) {
|
||||
if (channels == 1) {
|
||||
lineIn8 = im->image8[y];
|
||||
lineOut8 = imOut->image8[y];
|
||||
} else {
|
||||
lineIn = im->image32[y];
|
||||
lineOut = imOut->image32[y];
|
||||
}
|
||||
for (x = 0; x < im->xsize; x++) {
|
||||
newPixel = 0;
|
||||
/* compare in/out pixels, apply sharpening */
|
||||
if (channels == 1) {
|
||||
diff =
|
||||
((UINT8 *) & lineIn8[x])[0] -
|
||||
((UINT8 *) & lineOut8[x])[0];
|
||||
if (abs(diff) > threshold) {
|
||||
/* add the diff*percent to the original pixel */
|
||||
imOut->image8[y][x] =
|
||||
clip((((UINT8 *) & lineIn8[x])[0]) +
|
||||
(diff * ((float) percent) / 100.0));
|
||||
} else {
|
||||
/* newPixel is the same as imIn */
|
||||
imOut->image8[y][x] = ((UINT8 *) & lineIn8[x])[0];
|
||||
}
|
||||
}
|
||||
if (channels == 1) {
|
||||
lineIn8 = im->image8[y];
|
||||
lineOut8 = imOut->image8[y];
|
||||
} else {
|
||||
lineIn = im->image32[y];
|
||||
lineOut = imOut->image32[y];
|
||||
}
|
||||
for (x = 0; x < im->xsize; x++) {
|
||||
newPixel = 0;
|
||||
/* compare in/out pixels, apply sharpening */
|
||||
if (channels == 1) {
|
||||
diff =
|
||||
((UINT8 *) & lineIn8[x])[0] -
|
||||
((UINT8 *) & lineOut8[x])[0];
|
||||
if (abs(diff) > threshold) {
|
||||
/* add the diff*percent to the original pixel */
|
||||
imOut->image8[y][x] =
|
||||
clip((((UINT8 *) & lineIn8[x])[0]) +
|
||||
(diff * ((float) percent) / 100.0));
|
||||
} else {
|
||||
/* newPixel is the same as imIn */
|
||||
imOut->image8[y][x] = ((UINT8 *) & lineIn8[x])[0];
|
||||
}
|
||||
}
|
||||
|
||||
else {
|
||||
for (channel = 0; channel < channels; channel++) {
|
||||
diff = (int) ((((UINT8 *) & lineIn[x])[channel]) -
|
||||
(((UINT8 *) & lineOut[x])[channel]));
|
||||
if (abs(diff) > threshold) {
|
||||
/* add the diff*percent to the original pixel
|
||||
this may not work for little-endian systems, fix it! */
|
||||
newPixel =
|
||||
newPixel |
|
||||
clip((float) (((UINT8 *) & lineIn[x])[channel])
|
||||
+
|
||||
(diff *
|
||||
(((float) percent /
|
||||
100.0)))) << (channel * 8);
|
||||
} else {
|
||||
/* newPixel is the same as imIn
|
||||
this may not work for little-endian systems, fix it! */
|
||||
newPixel =
|
||||
newPixel | ((UINT8 *) & lineIn[x])[channel] <<
|
||||
(channel * 8);
|
||||
}
|
||||
}
|
||||
if (strcmp(im->mode, "RGBX") == 0
|
||||
|| strcmp(im->mode, "RGBA") == 0) {
|
||||
/* preserve the alpha channel
|
||||
this may not work for little-endian systems, fix it! */
|
||||
newPixel =
|
||||
newPixel | ((UINT8 *) & lineIn[x])[channel] << 24;
|
||||
}
|
||||
imOut->image32[y][x] = newPixel;
|
||||
}
|
||||
}
|
||||
else {
|
||||
for (channel = 0; channel < channels; channel++) {
|
||||
diff = (int) ((((UINT8 *) & lineIn[x])[channel]) -
|
||||
(((UINT8 *) & lineOut[x])[channel]));
|
||||
if (abs(diff) > threshold) {
|
||||
/* add the diff*percent to the original pixel
|
||||
this may not work for little-endian systems, fix it! */
|
||||
newPixel =
|
||||
newPixel |
|
||||
clip((float) (((UINT8 *) & lineIn[x])[channel])
|
||||
+
|
||||
(diff *
|
||||
(((float) percent /
|
||||
100.0)))) << (channel * 8);
|
||||
} else {
|
||||
/* newPixel is the same as imIn
|
||||
this may not work for little-endian systems, fix it! */
|
||||
newPixel =
|
||||
newPixel | ((UINT8 *) & lineIn[x])[channel] <<
|
||||
(channel * 8);
|
||||
}
|
||||
}
|
||||
if (strcmp(im->mode, "RGBX") == 0
|
||||
|| strcmp(im->mode, "RGBA") == 0) {
|
||||
/* preserve the alpha channel
|
||||
this may not work for little-endian systems, fix it! */
|
||||
newPixel =
|
||||
newPixel | ((UINT8 *) & lineIn[x])[channel] << 24;
|
||||
}
|
||||
imOut->image32[y][x] = newPixel;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
ImagingSectionLeave(&cookie);
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user