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path: root/source/blender/imbuf/intern/filter.c
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Diffstat (limited to 'source/blender/imbuf/intern/filter.c')
-rw-r--r--source/blender/imbuf/intern/filter.c142
1 files changed, 72 insertions, 70 deletions
diff --git a/source/blender/imbuf/intern/filter.c b/source/blender/imbuf/intern/filter.c
index 0d821126492..a93f47db9a3 100644
--- a/source/blender/imbuf/intern/filter.c
+++ b/source/blender/imbuf/intern/filter.c
@@ -54,10 +54,10 @@ static void filtrow(unsigned char *point, int x)
{
unsigned int c1,c2,c3,error;
- if (x>1){
+ if (x>1) {
c1 = c2 = *point;
error = 2;
- for(x--;x>0;x--){
+ for (x--;x>0;x--) {
c3 = point[4];
c1 += (c2<<1) + c3 + error;
error = c1 & 3;
@@ -74,9 +74,9 @@ static void filtrowf(float *point, int x)
{
float c1,c2,c3;
- if (x>1){
+ if (x>1) {
c1 = c2 = *point;
- for(x--;x>0;x--){
+ for (x--;x>0;x--) {
c3 = point[4];
c1 += (c2 * 2) + c3;
*point = 0.25f*c1;
@@ -95,11 +95,11 @@ static void filtcolum(unsigned char *point, int y, int skip)
unsigned int c1,c2,c3,error;
unsigned char *point2;
- if (y>1){
+ if (y>1) {
c1 = c2 = *point;
point2 = point;
error = 2;
- for(y--;y>0;y--){
+ for (y--;y>0;y--) {
point2 += skip;
c3 = *point2;
c1 += (c2<<1) + c3 +error;
@@ -117,10 +117,10 @@ static void filtcolumf(float *point, int y, int skip)
{
float c1,c2,c3, *point2;
- if (y>1){
+ if (y>1) {
c1 = c2 = *point;
point2 = point;
- for(y--;y>0;y--){
+ for (y--;y>0;y--) {
point2 += skip;
c3 = *point2;
c1 += (c2 * 2) + c3;
@@ -146,7 +146,7 @@ void IMB_filtery(struct ImBuf *ibuf)
y = ibuf->y;
skip = x<<2;
- for (;x>0;x--){
+ for (;x>0;x--) {
if (point) {
if (ibuf->planes > 24) filtcolum(point,y,skip);
point++;
@@ -184,7 +184,7 @@ void imb_filterx(struct ImBuf *ibuf)
y = ibuf->y;
skip = (x<<2) - 3;
- for (;y>0;y--){
+ for (;y>0;y--) {
if (point) {
if (ibuf->planes > 24) filtrow(point,x);
point++;
@@ -216,7 +216,7 @@ void IMB_filterN(ImBuf *out, ImBuf *in)
rowlen= in->x;
- for(y=0; y<in->y; y++) {
+ for (y=0; y<in->y; y++) {
/* setup rows */
row2= (char*)(in->rect + y*rowlen);
row1= (y == 0)? row2: row2 - 4*rowlen;
@@ -224,8 +224,8 @@ void IMB_filterN(ImBuf *out, ImBuf *in)
cp= (char *)(out->rect + y*rowlen);
- for(x=0; x<rowlen; x++) {
- if(x == 0) {
+ for (x=0; x<rowlen; x++) {
+ if (x == 0) {
r11 = row1;
r21 = row1;
r31 = row1;
@@ -236,7 +236,7 @@ void IMB_filterN(ImBuf *out, ImBuf *in)
r31 = row1-4;
}
- if(x == rowlen-1) {
+ if (x == rowlen-1) {
r13 = row1;
r23 = row1;
r33 = row1;
@@ -273,26 +273,27 @@ void IMB_mask_filter_extend(char *mask, int width, int height)
/* make a copy, to prevent flooding */
temprect= MEM_dupallocN(mask);
- for(y=1; y<=height; y++) {
+ for (y=1; y<=height; y++) {
/* setup rows */
row1= (char *)(temprect + (y-2)*rowlen);
row2= row1 + rowlen;
row3= row2 + rowlen;
- if(y==1)
+ if (y==1)
row1= row2;
- else if(y==height)
+ else if (y==height)
row3= row2;
- for(x=0; x<rowlen; x++) {
+ for (x=0; x<rowlen; x++) {
if (mask[((y-1)*rowlen)+x]==0) {
if (*row1 || *row2 || *row3 || *(row1+1) || *(row3+1) ) {
mask[((y-1)*rowlen)+x] = FILTER_MASK_MARGIN;
- } else if((x!=rowlen-1) && (*(row1+2) || *(row2+2) || *(row3+2)) ) {
+ }
+ else if ((x!=rowlen-1) && (*(row1+2) || *(row2+2) || *(row3+2)) ) {
mask[((y-1)*rowlen)+x] = FILTER_MASK_MARGIN;
}
}
- if(x!=0) {
+ if (x!=0) {
row1++; row2++; row3++;
}
}
@@ -305,18 +306,19 @@ void IMB_mask_clear(ImBuf *ibuf, char *mask, int val)
{
int x,y;
if (ibuf->rect_float) {
- for(x=0; x<ibuf->x; x++) {
- for(y=0; y<ibuf->y; y++) {
+ for (x=0; x<ibuf->x; x++) {
+ for (y=0; y<ibuf->y; y++) {
if (mask[ibuf->x*y + x] == val) {
float *col= ibuf->rect_float + 4*(ibuf->x*y + x);
col[0] = col[1] = col[2] = col[3] = 0.0f;
}
}
}
- } else {
+ }
+ else {
/* char buffer */
- for(x=0; x<ibuf->x; x++) {
- for(y=0; y<ibuf->y; y++) {
+ for (x=0; x<ibuf->x; x++) {
+ for (y=0; y<ibuf->y; y++) {
if (mask[ibuf->x*y + x] == val) {
char *col= (char *)(ibuf->rect + ibuf->x*y + x);
col[0] = col[1] = col[2] = col[3] = 0;
@@ -328,7 +330,7 @@ void IMB_mask_clear(ImBuf *ibuf, char *mask, int val)
static int filter_make_index(const int x, const int y, const int w, const int h)
{
- if(x<0 || x>=w || y<0 || y>=h) return -1; /* return bad index */
+ if (x<0 || x>=w || y<0 || y>=h) return -1; /* return bad index */
else return y*w+x;
}
@@ -336,13 +338,13 @@ static int check_pixel_assigned(const void *buffer, const char *mask, const int
{
int res = 0;
- if(index>=0) {
+ if (index>=0) {
const int alpha_index = depth*index+(depth-1);
- if(mask!=NULL) {
+ if (mask!=NULL) {
res = mask[index]!=0 ? 1 : 0;
}
- else if( (is_float && ((const float *) buffer)[alpha_index]!=0.0f) ||
+ else if ( (is_float && ((const float *) buffer)[alpha_index]!=0.0f) ||
(!is_float && ((const unsigned char *) buffer)[alpha_index]!=0) ) {
res=1;
}
@@ -375,8 +377,8 @@ void IMB_filter_extend(struct ImBuf *ibuf, char *mask, int filter)
#if 0
k= 0;
- for(i = -n; i <= n; i++)
- for(j = -n; j <= n; j++)
+ for (i = -n; i <= n; i++)
+ for (j = -n; j <= n; j++)
weight[k++] = sqrt((float) i * i + j * j);
#endif
@@ -385,16 +387,16 @@ void IMB_filter_extend(struct ImBuf *ibuf, char *mask, int filter)
weight[6]=1; weight[7]=2; weight[8]=1;
/* run passes */
- for(r = 0; cannot_early_out == 1 && r < filter; r++) {
+ for (r = 0; cannot_early_out == 1 && r < filter; r++) {
int x, y;
cannot_early_out = 0;
- for(y= 0; y<height; y++) {
- for(x= 0; x<width; x++) {
+ for (y= 0; y<height; y++) {
+ for (x= 0; x<width; x++) {
const int index= filter_make_index(x, y, width, height);
/* only update unassigned pixels */
- if(!check_pixel_assigned(srcbuf, srcmask, index, depth, is_float)) {
+ if (!check_pixel_assigned(srcbuf, srcmask, index, depth, is_float)) {
float tmp[4];
float wsum=0;
float acc[4]={0,0,0,0};
@@ -404,24 +406,24 @@ void IMB_filter_extend(struct ImBuf *ibuf, char *mask, int filter)
check_pixel_assigned(srcbuf, srcmask, filter_make_index(x+1, y, width, height), depth, is_float) ||
check_pixel_assigned(srcbuf, srcmask, filter_make_index(x, y-1, width, height), depth, is_float) ||
check_pixel_assigned(srcbuf, srcmask, filter_make_index(x, y+1, width, height), depth, is_float)) {
- for(i= -n; i<=n; i++) {
- for(j=-n; j<=n; j++) {
- if(i != 0 || j != 0) {
+ for (i= -n; i<=n; i++) {
+ for (j=-n; j<=n; j++) {
+ if (i != 0 || j != 0) {
const int tmpindex= filter_make_index(x+i, y+j, width, height);
- if(check_pixel_assigned(srcbuf, srcmask, tmpindex, depth, is_float)) {
- if(is_float) {
- for(c=0; c<depth; c++)
+ if (check_pixel_assigned(srcbuf, srcmask, tmpindex, depth, is_float)) {
+ if (is_float) {
+ for (c=0; c<depth; c++)
tmp[c] = ((const float *) srcbuf)[depth*tmpindex+c];
}
else {
- for(c=0; c<depth; c++)
+ for (c=0; c<depth; c++)
tmp[c] = (float) ((const unsigned char *) srcbuf)[depth*tmpindex+c];
}
wsum+= weight[k];
- for(c=0; c<depth; c++)
+ for (c=0; c<depth; c++)
acc[c]+= weight[k] * tmp[c];
}
}
@@ -429,21 +431,21 @@ void IMB_filter_extend(struct ImBuf *ibuf, char *mask, int filter)
}
}
- if(wsum!=0) {
- for(c=0; c<depth; c++)
+ if (wsum!=0) {
+ for (c=0; c<depth; c++)
acc[c]/= wsum;
- if(is_float) {
- for(c=0; c<depth; c++)
+ if (is_float) {
+ for (c=0; c<depth; c++)
((float *) dstbuf)[depth*index+c] = acc[c];
}
else {
- for(c=0; c<depth; c++) {
+ for (c=0; c<depth; c++) {
((unsigned char *) dstbuf)[depth*index+c]= acc[c] > 255 ? 255 : (acc[c] < 0 ? 0 : ((unsigned char) (acc[c]+0.5f)));
}
}
- if(dstmask!=NULL) dstmask[index]=FILTER_MASK_MARGIN; /* assigned */
+ if (dstmask!=NULL) dstmask[index]=FILTER_MASK_MARGIN; /* assigned */
cannot_early_out = 1;
}
}
@@ -453,12 +455,12 @@ void IMB_filter_extend(struct ImBuf *ibuf, char *mask, int filter)
/* keep the original buffer up to date. */
memcpy(srcbuf, dstbuf, bsize);
- if(dstmask!=NULL) memcpy(srcmask, dstmask, width*height);
+ if (dstmask!=NULL) memcpy(srcmask, dstmask, width*height);
}
/* free memory */
MEM_freeN(dstbuf);
- if(dstmask!=NULL) MEM_freeN(dstmask);
+ if (dstmask!=NULL) MEM_freeN(dstmask);
}
/* threadsafe version, only recreates existing maps */
@@ -471,9 +473,9 @@ void IMB_remakemipmap(ImBuf *ibuf, int use_filter)
while(curmap < IB_MIPMAP_LEVELS) {
- if(ibuf->mipmap[curmap]) {
+ if (ibuf->mipmap[curmap]) {
- if(use_filter) {
+ if (use_filter) {
ImBuf *nbuf= IMB_allocImBuf(hbuf->x, hbuf->y, 32, IB_rect);
IMB_filterN(nbuf, hbuf);
imb_onehalf_no_alloc(ibuf->mipmap[curmap], nbuf);
@@ -485,10 +487,10 @@ void IMB_remakemipmap(ImBuf *ibuf, int use_filter)
ibuf->miptot= curmap+2;
hbuf= ibuf->mipmap[curmap];
- if(hbuf)
+ if (hbuf)
hbuf->miplevel= curmap+1;
- if(!hbuf || (hbuf->x <= 2 && hbuf->y <= 2))
+ if (!hbuf || (hbuf->x <= 2 && hbuf->y <= 2))
break;
curmap++;
@@ -506,7 +508,7 @@ void IMB_makemipmap(ImBuf *ibuf, int use_filter)
ibuf->miptot= 1;
while(curmap < IB_MIPMAP_LEVELS) {
- if(use_filter) {
+ if (use_filter) {
ImBuf *nbuf= IMB_allocImBuf(hbuf->x, hbuf->y, 32, IB_rect);
IMB_filterN(nbuf, hbuf);
ibuf->mipmap[curmap] = IMB_onehalf(nbuf);
@@ -519,7 +521,7 @@ void IMB_makemipmap(ImBuf *ibuf, int use_filter)
hbuf= ibuf->mipmap[curmap];
hbuf->miplevel= curmap+1;
- if(hbuf->x <= 2 && hbuf->y <= 2)
+ if (hbuf->x <= 2 && hbuf->y <= 2)
break;
curmap++;
@@ -537,18 +539,18 @@ void IMB_premultiply_rect(unsigned int *rect, char planes, int w, int h)
char *cp;
int x, y, val;
- if(planes == 24) { /* put alpha at 255 */
+ if (planes == 24) { /* put alpha at 255 */
cp= (char *)(rect);
- for(y=0; y<h; y++)
- for(x=0; x<w; x++, cp+=4)
+ for (y=0; y<h; y++)
+ for (x=0; x<w; x++, cp+=4)
cp[3]= 255;
}
else {
cp= (char *)(rect);
- for(y=0; y<h; y++) {
- for(x=0; x<w; x++, cp+=4) {
+ for (y=0; y<h; y++) {
+ for (x=0; x<w; x++, cp+=4) {
val= cp[3];
cp[0]= (cp[0]*val)>>8;
cp[1]= (cp[1]*val)>>8;
@@ -563,17 +565,17 @@ void IMB_premultiply_rect_float(float *rect_float, char planes, int w, int h)
float val, *cp;
int x, y;
- if(planes==24) { /* put alpha at 1.0 */
+ if (planes==24) { /* put alpha at 1.0 */
cp= rect_float;
- for(y=0; y<h; y++)
- for(x=0; x<w; x++, cp+=4)
+ for (y=0; y<h; y++)
+ for (x=0; x<w; x++, cp+=4)
cp[3]= 1.0;
}
else {
cp= rect_float;
- for(y=0; y<h; y++) {
- for(x=0; x<w; x++, cp+=4) {
+ for (y=0; y<h; y++) {
+ for (x=0; x<w; x++, cp+=4) {
val= cp[3];
cp[0]= cp[0]*val;
cp[1]= cp[1]*val;
@@ -586,13 +588,13 @@ void IMB_premultiply_rect_float(float *rect_float, char planes, int w, int h)
void IMB_premultiply_alpha(ImBuf *ibuf)
{
- if(ibuf==NULL)
+ if (ibuf==NULL)
return;
- if(ibuf->rect)
+ if (ibuf->rect)
IMB_premultiply_rect(ibuf->rect, ibuf->planes, ibuf->x, ibuf->y);
- if(ibuf->rect_float)
+ if (ibuf->rect_float)
IMB_premultiply_rect_float(ibuf->rect_float, ibuf->planes, ibuf->x, ibuf->y);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 07:32:52 +0300