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use new generic function paste_mask() instead of paste_mask_L(), paste_mask_LA(), and paste_mask_RGBA()

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This commit is contained in:
Yay295 2022-08-20 18:21:31 -05:00
parent ab04a19c3e
commit 5077726bba
1 changed files with 38 additions and 129 deletions
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167
src/libImaging/Paste.c
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@ -48,6 +48,38 @@ paste(
}
}
static inline void
paste_mask(
Imaging imOut,
Imaging imIn,
Imaging imMask,
int dx,
int dy,
int sx,
int sy,
int xsize,
int ysize,
int pixelsize,
int maskPixelsize,
int maskChannel) {
int x, y, b;
unsigned int tmp1;
for (y = 0; y < ysize; y++) {
UINT8 *out = (UINT8 *)imOut->image[y + dy] + dx * pixelsize;
UINT8 *in = (UINT8 *)imIn->image[y + sy] + sx * pixelsize;
UINT8 *mask = (UINT8 *)imMask->image[y + sy] + sx * maskPixelsize + maskChannel;
for (x = 0; x < xsize; x++) {
for (b = 0; b < pixelsize; b++) {
*out = BLEND(*mask, *out, *in, tmp1);
out++, in++;
}
mask += maskPixelsize;
}
}
}
static inline void
paste_mask_1(
Imaging imOut,
@ -92,131 +124,6 @@ paste_mask_1(
}
}
static inline void
paste_mask_L(
Imaging imOut,
Imaging imIn,
Imaging imMask,
int dx,
int dy,
int sx,
int sy,
int xsize,
int ysize,
int pixelsize) {
/* paste with mode "L" matte */
int x, y;
unsigned int tmp1;
if (imOut->image8) {
for (y = 0; y < ysize; y++) {
UINT8 *out = imOut->image8[y + dy] + dx;
UINT8 *in = imIn->image8[y + sy] + sx;
UINT8 *mask = imMask->image8[y + sy] + sx;
for (x = 0; x < xsize; x++) {
*out = BLEND(*mask, *out, *in, tmp1);
out++, in++, mask++;
}
}
} else {
for (y = 0; y < ysize; y++) {
UINT8 *out = (UINT8 *)(imOut->image32[y + dy] + dx);
UINT8 *in = (UINT8 *)(imIn->image32[y + sy] + sx);
UINT8 *mask = (UINT8 *)(imMask->image8[y + sy] + sx);
for (x = 0; x < xsize; x++) {
UINT8 a = mask[0];
out[0] = BLEND(a, out[0], in[0], tmp1);
out[1] = BLEND(a, out[1], in[1], tmp1);
out[2] = BLEND(a, out[2], in[2], tmp1);
out[3] = BLEND(a, out[3], in[3], tmp1);
out += 4;
in += 4;
mask++;
}
}
}
}
static inline void
paste_mask_LA(
Imaging imOut,
Imaging imIn,
Imaging imMask,
int dx,
int dy,
int sx,
int sy,
int xsize,
int ysize,
int pixelsize) {
/* paste with mode "LA" matte */
int x, y;
unsigned int tmp1;
if (imOut->image8) {
for (y = 0; y < ysize; y++) {
UINT8 *out = imOut->image8[y + dy] + dx;
UINT8 *in = imIn->image8[y + sy] + sx;
UINT8 *mask = (UINT8 *)imMask->image[y + sy] + sx * 2 + 1;
for (x = 0; x < xsize; x++) {
*out = BLEND(*mask, *out, *in, tmp1);
out++, in++, mask += 2;
}
}
} else {
for (y = 0; y < ysize; y++) {
UINT8 *out = (UINT8 *)imOut->image[y + dy] + dx;
UINT8 *in = (UINT8 *)imIn->image[y + sy] + sx;
UINT8 *mask = (UINT8 *)imMask->image[y + sy] + sx * 2;
for (x = 0; x < xsize; x++) {
UINT8 a = mask[1];
out[0] = BLEND(a, out[0], in[0], tmp1);
out[1] = BLEND(a, out[1], in[1], tmp1);
out[2] = BLEND(a, out[2], in[2], tmp1);
out[3] = BLEND(a, out[3], in[3], tmp1);
out += 4;
in += 4;
mask += 2;
}
}
}
}
static inline void
paste_mask_RGBA(
Imaging imOut,
Imaging imIn,
Imaging imMask,
int dx,
int dy,
int sx,
int sy,
int xsize,
int ysize,
int pixelsize) {
/* paste with mode "RGBA" matte */
int x, y, b;
unsigned int tmp1;
for (y = 0; y < ysize; y++) {
UINT8 *out = (UINT8 *)imOut->image[y + dy] + dx * pixelsize;
UINT8 *in = (UINT8 *)imIn->image[y + sy] + sx * pixelsize;
UINT8 *mask = (UINT8 *)imMask->image[y + sy] + sx * 4 + 3;
for (x = 0; x < xsize; x++) {
for (b = 0; b < pixelsize; b++) {
*out = BLEND(*mask, *out, *in, tmp1);
out++, in++;
}
mask += 4;
}
}
}
static inline void
paste_mask_RGBa(
Imaging imOut,
@ -323,18 +230,20 @@ ImagingPaste(
} else if (strcmp(imMask->mode, "L") == 0) {
ImagingSectionEnter(&cookie);
paste_mask_L(imOut, imIn, imMask, dx0, dy0, sx0, sy0, xsize, ysize, pixelsize);
paste_mask(
imOut, imIn, imMask, dx0, dy0, sx0, sy0, xsize, ysize, pixelsize, 1, 0);
ImagingSectionLeave(&cookie);
} else if (strcmp(imMask->mode, "LA") == 0) {
ImagingSectionEnter(&cookie);
paste_mask_LA(imOut, imIn, imMask, dx0, dy0, sx0, sy0, xsize, ysize, pixelsize);
paste_mask(
imOut, imIn, imMask, dx0, dy0, sx0, sy0, xsize, ysize, pixelsize, 2, 1);
ImagingSectionLeave(&cookie);
} else if (strcmp(imMask->mode, "RGBA") == 0) {
ImagingSectionEnter(&cookie);
paste_mask_RGBA(
imOut, imIn, imMask, dx0, dy0, sx0, sy0, xsize, ysize, pixelsize);
paste_mask(
imOut, imIn, imMask, dx0, dy0, sx0, sy0, xsize, ysize, pixelsize, 4, 3);
ImagingSectionLeave(&cookie);
} else if (strcmp(imMask->mode, "RGBa") == 0) {