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fix issue that blur at wrong x-axis

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This commit is contained in:
Jinhao 2018-11-16 05:27:53 +08:00
parent 840d6b775d
commit 1c5f70124c
1 changed files with 19 additions and 19 deletions
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38
include/nana/paint/detail/image_processor.hpp
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@ -562,18 +562,18 @@ namespace detail
int large_edge = (w > h ? w : h); int large_edge = (w > h ? w : h);
const int div_256 = div * 256; const int div_256 = div * 256;
std::unique_ptr<int[]> all_table(new int[(wh << 1) + wh + (large_edge << 1) + div_256]); std::unique_ptr<int[]> table_rgb(new int[(wh << 1) + wh + (large_edge << 1) + div_256]);
int * r = all_table.get(); int * tbl_r = table_rgb.get();
int * g = r + wh; int * tbl_g = tbl_r + wh;
int * b = g + wh; int * tbl_b = tbl_g + wh;
int * vmin = b + wh; int * vmin = tbl_b + wh;
int * vmax = vmin + large_edge; int * vmax = vmin + large_edge;
int * dv = vmax + large_edge; int * dv = vmax + large_edge;
int end_div = div - 1; const int end_div = div - 1;
for(int i = 0, *dv_block = dv; i < 256; ++i) for(int i = 0, *dv_block = dv; i < 256; ++i)
{ {
for(int u = 0; u < end_div; u += 2) for(int u = 0; u < end_div; u += 2)
@ -614,9 +614,9 @@ namespace detail
for(int x = 0; x < w; ++x) for(int x = 0; x < w; ++x)
{ {
r[yi] = dv[sum_r]; tbl_r[yi] = dv[sum_r];
g[yi] = dv[sum_g]; tbl_g[yi] = dv[sum_g];
b[yi] = dv[sum_b]; tbl_b[yi] = dv[sum_b];
if(0 == y) if(0 == y)
{ {
@ -647,21 +647,21 @@ namespace detail
{ {
if(yp < 1) if(yp < 1)
{ {
sum_r += r[x]; sum_r += tbl_r[x];
sum_g += g[x]; sum_g += tbl_g[x];
sum_b += b[x]; sum_b += tbl_b[x];
} }
else else
{ {
int yi = yp + x; int yi = yp + x;
sum_r += r[yi]; sum_r += tbl_r[yi];
sum_g += g[yi]; sum_g += tbl_g[yi];
sum_b += b[yi]; sum_b += tbl_b[yi];
} }
yp += w; yp += w;
} }
linepix = pixbuf.raw_ptr(area.y) + x; linepix = pixbuf.raw_ptr(area.y) + x + area.x;
for(int y = 0; y < h; ++y) for(int y = 0; y < h; ++y)
{ {
@ -675,9 +675,9 @@ namespace detail
int pt1 = x + vmin[y]; int pt1 = x + vmin[y];
int pt2 = x + vmax[y]; int pt2 = x + vmax[y];
sum_r += r[pt1] - r[pt2]; sum_r += tbl_r[pt1] - tbl_r[pt2];
sum_g += g[pt1] - g[pt2]; sum_g += tbl_g[pt1] - tbl_g[pt2];
sum_b += b[pt1] - b[pt2]; sum_b += tbl_b[pt1] - tbl_b[pt2];
linepix = pixel_at(linepix, bytes_pl); linepix = pixel_at(linepix, bytes_pl);
} }