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tweak sampled render

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This commit is contained in:
Paul Fitzpatrick
2019-03-08 15:42:12 -05:00
parent 9c5a90bd4e
commit 724a9b9de5
1 changed files with 10 additions and 14 deletions
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24
src/Render.cpp
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@@ -43,6 +43,9 @@ void Render::add_sampled(const Input& in) {
return;
}
int w = in.get().width();
int h = in.get().height();
Summary empty;
IMGFOR(out,x,y) {
PixelBgra& pix = out(x,y);
@@ -52,21 +55,11 @@ void Render::add_sampled(const Input& in) {
auto it = mapping->sum.summaries.find(mapping->sum.offset(x, mapping->light.height() - 1 - y));
const Summary& summary = (it != mapping->sum.summaries.end()) ? it->second : empty;
PixelBgra result, m;
bool d = (selPixel.r==in.layer);
if (d) {
m.a = 255;
m.r = 255;
m.g = 0;
m.b = 0;
float ct = 0;
double aa = 0, rr = 0, gg = 0, bb = 0;
for (auto &sample: summary.samples) {
// printf(">>> %g %g\n", sample.fx, sample.fy);
if (sample.fx < 0 || sample.fx > 1 || sample.fy < 0 || sample.fy > 1) {
continue;
}
int x = (int)(sample.fx*4096+4096+0.5);
int y = (int)(sample.fy*4096+4096+0.5);
if (x>4095) x -= 4096;
@@ -88,10 +81,12 @@ void Render::add_sampled(const Input& in) {
xx = in.in_x0 + active_scale*xx/RR;
yy = in.in_y0 + active_scale*yy/RR;
if (xx < 0) xx = 0;
if (yy < 0) yy = 0;
if (xx >= w) xx = w - 1;
if (yy >= h) yy = h - 1;
const PixelBgra& m2 = in.get().safePixel((int)xx,(int)yy);
m.r = m2.r;
m.g = m2.g;
m.b = m2.b;
float f = sample.factor;
aa += m2.a * f;
@@ -106,6 +101,7 @@ void Render::add_sampled(const Input& in) {
gg /= aa;
bb /= aa;
aa /= ct;
PixelBgra result, m;
m.r = int(rr);
m.g = int(gg);
m.b = int(bb);
@@ -116,7 +112,7 @@ void Render::add_sampled(const Input& in) {
result.b = darkPixel.b + ((lightPixel.b-darkPixel.b)*m.b)/255;
result.a = m.a;
if (darkPixel.a<result.a) {
result.a = darkPixel.a;
result.a = darkPixel.a;
}
if (result.a>0) {
PixelBgra& outPixel = out.pixel(x,y);