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paste.c formatting

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homm 2016-06-12 22:00:34 +03:00
parent 6e7553fb0f
commit 08edf70321
1 changed files with 46 additions and 46 deletions
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92
libImaging/Paste.c
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@ -5,15 +5,15 @@
* paste image on another image
*
* history:
* 96-03-27 fl Created
* 96-07-16 fl Support "1", "L" and "RGBA" masks
* 96-08-16 fl Merged with opaque paste
* 97-01-17 fl Faster blending, added support for RGBa images
* 97-08-27 fl Faster masking for 32-bit images
* 98-02-02 fl Fixed MULDIV255 macro for gcc
* 99-02-02 fl Added "RGBa" mask support
* 99-02-06 fl Rewritten. Added support for masked fill operations.
* 99-12-08 fl Fixed matte fill.
* 96-03-27 fl Created
* 96-07-16 fl Support "1", "L" and "RGBA" masks
* 96-08-16 fl Merged with opaque paste
* 97-01-17 fl Faster blending, added support for RGBa images
* 97-08-27 fl Faster masking for 32-bit images
* 98-02-02 fl Fixed MULDIV255 macro for gcc
* 99-02-02 fl Added "RGBa" mask support
* 99-02-06 fl Rewritten. Added support for masked fill operations.
* 99-12-08 fl Fixed matte fill.
*
* Copyright (c) Fredrik Lundh 1996-97.
* Copyright (c) Secret Labs AB 1997-99.
@ -24,19 +24,19 @@
#include "Imaging.h"
/* like (a * b + 127) / 255), but much faster on most platforms */
#define MULDIV255NEW(a, b, tmp)\
(tmp = (a) * (b) + 128, ((((tmp) >> 8) + (tmp)) >> 8))
#define MULDIV255NEW(a, b, tmp)\
(tmp = (a) * (b) + 128, ((((tmp) >> 8) + (tmp)) >> 8))
#define MULDIV255OLD(a, b, tmp)\
#define MULDIV255OLD(a, b, tmp)\
(((a) * (b) + 127) / 255)
#define MULDIV255 MULDIV255NEW
#define BLEND(mask, in1, in2, tmp1, tmp2)\
(MULDIV255(in1, 255 - mask, tmp1) + MULDIV255(in2, mask, tmp2))
#define BLEND(mask, in1, in2, tmp1, tmp2)\
(MULDIV255(in1, 255 - mask, tmp1) + MULDIV255(in2, mask, tmp2))
#define PREBLEND(mask, in1, in2, tmp1)\
(MULDIV255(in1, 255 - mask, tmp1) + in2)
#define PREBLEND(mask, in1, in2, tmp1)\
(MULDIV255(in1, 255 - mask, tmp1) + in2)
static inline void
paste(Imaging imOut, Imaging imIn, int dx, int dy, int sx, int sy,
@ -212,7 +212,7 @@ paste_mask_RGBa(Imaging imOut, Imaging imIn, Imaging imMask,
int
ImagingPaste(Imaging imOut, Imaging imIn, Imaging imMask,
int dx0, int dy0, int dx1, int dy1)
int dx0, int dy0, int dx1, int dy1)
{
int xsize, ysize;
int pixelsize;
@ -220,8 +220,8 @@ ImagingPaste(Imaging imOut, Imaging imIn, Imaging imMask,
ImagingSectionCookie cookie;
if (!imOut || !imIn) {
(void) ImagingError_ModeError();
return -1;
(void) ImagingError_ModeError();
return -1;
}
pixelsize = imOut->pixelsize;
@ -231,28 +231,28 @@ ImagingPaste(Imaging imOut, Imaging imIn, Imaging imMask,
if (xsize != imIn->xsize || ysize != imIn->ysize ||
pixelsize != imIn->pixelsize) {
(void) ImagingError_Mismatch();
return -1;
(void) ImagingError_Mismatch();
return -1;
}
if (imMask && (xsize != imMask->xsize || ysize != imMask->ysize)) {
(void) ImagingError_Mismatch();
return -1;
(void) ImagingError_Mismatch();
return -1;
}
/* Determine which region to copy */
sx0 = sy0 = 0;
if (dx0 < 0)
xsize += dx0, sx0 = -dx0, dx0 = 0;
xsize += dx0, sx0 = -dx0, dx0 = 0;
if (dx0 + xsize > imOut->xsize)
xsize = imOut->xsize - dx0;
xsize = imOut->xsize - dx0;
if (dy0 < 0)
ysize += dy0, sy0 = -dy0, dy0 = 0;
ysize += dy0, sy0 = -dy0, dy0 = 0;
if (dy0 + ysize > imOut->ysize)
ysize = imOut->ysize - dy0;
ysize = imOut->ysize - dy0;
if (xsize <= 0 || ysize <= 0)
return 0;
return 0;
if (!imMask) {
ImagingSectionEnter(&cookie);
@ -284,8 +284,8 @@ ImagingPaste(Imaging imOut, Imaging imIn, Imaging imMask,
ImagingSectionLeave(&cookie);
} else {
(void) ImagingError_ValueError("bad transparency mask");
return -1;
(void) ImagingError_ValueError("bad transparency mask");
return -1;
}
return 0;
@ -308,15 +308,15 @@ fill(Imaging imOut, const void* ink_, int dx, int dy,
dx *= pixelsize;
xsize *= pixelsize;
for (y = 0; y < ysize; y++)
memset(imOut->image[y+dy]+dx, ink8, xsize);
for (y = 0; y < ysize; y++)
memset(imOut->image[y+dy]+dx, ink8, xsize);
} else {
for (y = 0; y < ysize; y++) {
for (y = 0; y < ysize; y++) {
INT32* out = imOut->image32[y+dy]+dx;
for (x = 0; x < xsize; x++)
out[x] = ink32;
for (x = 0; x < xsize; x++)
out[x] = ink32;
}
}
@ -489,8 +489,8 @@ ImagingFill2(Imaging imOut, const void* ink, Imaging imMask,
int sx0, sy0;
if (!imOut || !ink) {
(void) ImagingError_ModeError();
return -1;
(void) ImagingError_ModeError();
return -1;
}
pixelsize = imOut->pixelsize;
@ -499,23 +499,23 @@ ImagingFill2(Imaging imOut, const void* ink, Imaging imMask,
ysize = dy1 - dy0;
if (imMask && (xsize != imMask->xsize || ysize != imMask->ysize)) {
(void) ImagingError_Mismatch();
return -1;
(void) ImagingError_Mismatch();
return -1;
}
/* Determine which region to fill */
sx0 = sy0 = 0;
if (dx0 < 0)
xsize += dx0, sx0 = -dx0, dx0 = 0;
xsize += dx0, sx0 = -dx0, dx0 = 0;
if (dx0 + xsize > imOut->xsize)
xsize = imOut->xsize - dx0;
xsize = imOut->xsize - dx0;
if (dy0 < 0)
ysize += dy0, sy0 = -dy0, dy0 = 0;
ysize += dy0, sy0 = -dy0, dy0 = 0;
if (dy0 + ysize > imOut->ysize)
ysize = imOut->ysize - dy0;
ysize = imOut->ysize - dy0;
if (xsize <= 0 || ysize <= 0)
return 0;
return 0;
if (!imMask) {
ImagingSectionEnter(&cookie);
@ -547,8 +547,8 @@ ImagingFill2(Imaging imOut, const void* ink, Imaging imMask,
ImagingSectionLeave(&cookie);
} else {
(void) ImagingError_ValueError("bad transparency mask");
return -1;
(void) ImagingError_ValueError("bad transparency mask");
return -1;
}
return 0;