Merge pull request #51908 from bruvzg/msdf_fonts2

Make FontData importable resource. Add multi-channel SDF font rendering.

1 files changed, 30 insertions, 0 deletions

diff --git a/thirdparty/msdfgen/core/SignedDistance.cpp b/thirdparty/msdfgen/core/SignedDistance.cpp
new file mode 100644
index 0000000000..18c9d2c424
--- /dev/null
+++ b/thirdparty/msdfgen/core/SignedDistance.cpp
@@ -0,0 +1,30 @@
+
+#include "SignedDistance.h"
+
+#include <cmath>
+
+namespace msdfgen {
+
+const SignedDistance SignedDistance::INFINITE(-1e240, 1);
+
+SignedDistance::SignedDistance() : distance(-1e240), dot(1) { }
+
+SignedDistance::SignedDistance(double dist, double d) : distance(dist), dot(d) { }
+
+bool operator<(SignedDistance a, SignedDistance b) {
+    return fabs(a.distance) < fabs(b.distance) || (fabs(a.distance) == fabs(b.distance) && a.dot < b.dot);
+}
+
+bool operator>(SignedDistance a, SignedDistance b) {
+    return fabs(a.distance) > fabs(b.distance) || (fabs(a.distance) == fabs(b.distance) && a.dot > b.dot);
+}
+
+bool operator<=(SignedDistance a, SignedDistance b) {
+    return fabs(a.distance) < fabs(b.distance) || (fabs(a.distance) == fabs(b.distance) && a.dot <= b.dot);
+}
+
+bool operator>=(SignedDistance a, SignedDistance b) {
+    return fabs(a.distance) > fabs(b.distance) || (fabs(a.distance) == fabs(b.distance) && a.dot >= b.dot);
+}
+
+}