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hack fix outlines

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This commit is contained in:
jrkb 2023-09-21 10:08:00 +02:00
parent 6f8b6633be
commit 4af4adb3e2
1 changed files with 55 additions and 27 deletions
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28
src/gpufont/font.hpp
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@ -921,6 +921,9 @@ class Font {
std::vector <float> directions(n_contours, 0); std::vector <float> directions(n_contours, 0);
std::vector <std::vector <BufferCurve> > curves(n_contours); std::vector <std::vector <BufferCurve> > curves(n_contours);
std::vector <BBox> bbs(n_contours); std::vector <BBox> bbs(n_contours);
int largestIndex = 0;
float largestArea = 0;
bool flipAll = false;
for(int i = 0; i < n_contours; i++){ for(int i = 0; i < n_contours; i++){
// Note: The end indices in face->glyph->outline.contours are inclusive. // Note: The end indices in face->glyph->outline.contours are inclusive.
bbs[i].xMin = FLT_MAX; bbs[i].xMin = FLT_MAX;
@ -929,7 +932,31 @@ class Font {
bbs[i].yMax = -FLT_MAX; bbs[i].yMax = -FLT_MAX;
convertContour(curves[i], directions[i], bbs[i], &face->glyph->outline, start, face->glyph->outline.contours[i], emSize); convertContour(curves[i], directions[i], bbs[i], &face->glyph->outline, start, face->glyph->outline.contours[i], emSize);
start = face->glyph->outline.contours[i] + 1; start = face->glyph->outline.contours[i] + 1;
float area = abs(bbs[i].xMax - bbs[i].xMin) * abs(bbs[i].yMax - bbs[i].yMin);
if(area > largestArea){
largestArea = area;
largestIndex = i;
if(directions[i] < 0){
flipAll = true;
}else{
flipAll = false;
} }
}
}
if(flipAll){
for(int i = 0; i < n_contours; i++){
for(BufferCurve & curve : curves[i]){
float tmp_x = curve.x0;
float tmp_y = curve.y0;
curve.x0 = curve.x2;
curve.y0 = curve.y2;
curve.x2 = tmp_x;
curve.y2 = tmp_y;
}
std::reverse(curves[i].begin(), curves[i].end());
bufferCurves.insert(bufferCurves.end(), curves[i].begin(), curves[i].end());
}
}else{
for(int i = 0; i < n_contours; i++){ for(int i = 0; i < n_contours; i++){
if(directions[i] < 0){ if(directions[i] < 0){
bool flip = true; bool flip = true;
@ -959,6 +986,7 @@ class Font {
} }
bufferCurves.insert(bufferCurves.end(), curves[i].begin(), curves[i].end()); bufferCurves.insert(bufferCurves.end(), curves[i].begin(), curves[i].end());
} }
}
}else{ }else{
short start = 0; short start = 0;
for(int i = 0; i < face->glyph->outline.n_contours; i++){ for(int i = 0; i < face->glyph->outline.n_contours; i++){