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msdfgen: Update to 1.13

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Remove unused `export-svg` and `save-*` files.
This commit is contained in:
Rémi Verschelde
2025-12-12 22:39:53 +01:00
parent 08e6cd181f
commit 76dda1f2c8
43 changed files with 807 additions and 1041 deletions
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75
thirdparty/msdfgen/core/rasterization.cpp vendored
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@@ -6,58 +6,60 @@
namespace msdfgen {
void rasterize(const BitmapRef<float, 1> &output, const Shape &shape, const Projection &projection, FillRule fillRule) {
void rasterize(BitmapSection<float, 1> output, const Shape &shape, const Projection &projection, FillRule fillRule) {
output.reorient(shape.getYAxisOrientation());
Scanline scanline;
for (int y = 0; y < output.height; ++y) {
int row = shape.inverseYAxis ? output.height-y-1 : y;
shape.scanline(scanline, projection.unprojectY(y+.5));
for (int x = 0; x < output.width; ++x)
*output(x, row) = (float) scanline.filled(projection.unprojectX(x+.5), fillRule);
*output(x, y) = (float) scanline.filled(projection.unprojectX(x+.5), fillRule);
}
}
void distanceSignCorrection(const BitmapRef<float, 1> &sdf, const Shape &shape, const Projection &projection, FillRule fillRule) {
void distanceSignCorrection(BitmapSection<float, 1> sdf, const Shape &shape, const Projection &projection, float sdfZeroValue, FillRule fillRule) {
sdf.reorient(shape.getYAxisOrientation());
float doubleSdfZeroValue = sdfZeroValue+sdfZeroValue;
Scanline scanline;
for (int y = 0; y < sdf.height; ++y) {
int row = shape.inverseYAxis ? sdf.height-y-1 : y;
shape.scanline(scanline, projection.unprojectY(y+.5));
for (int x = 0; x < sdf.width; ++x) {
bool fill = scanline.filled(projection.unprojectX(x+.5), fillRule);
float &sd = *sdf(x, row);
if ((sd > .5f) != fill)
sd = 1.f-sd;
float &sd = *sdf(x, y);
if ((sd > sdfZeroValue) != fill)
sd = doubleSdfZeroValue-sd;
}
}
}
template <int N>
static void multiDistanceSignCorrection(const BitmapRef<float, N> &sdf, const Shape &shape, const Projection &projection, FillRule fillRule) {
static void multiDistanceSignCorrection(BitmapSection<float, N> sdf, const Shape &shape, const Projection &projection, float sdfZeroValue, FillRule fillRule) {
int w = sdf.width, h = sdf.height;
if (!(w && h))
return;
sdf.reorient(shape.getYAxisOrientation());
float doubleSdfZeroValue = sdfZeroValue+sdfZeroValue;
Scanline scanline;
bool ambiguous = false;
std::vector<char> matchMap;
matchMap.resize(w*h);
char *match = &matchMap[0];
for (int y = 0; y < h; ++y) {
int row = shape.inverseYAxis ? h-y-1 : y;
shape.scanline(scanline, projection.unprojectY(y+.5));
for (int x = 0; x < w; ++x) {
bool fill = scanline.filled(projection.unprojectX(x+.5), fillRule);
float *msd = sdf(x, row);
float *msd = sdf(x, y);
float sd = median(msd[0], msd[1], msd[2]);
if (sd == .5f)
if (sd == sdfZeroValue)
ambiguous = true;
else if ((sd > .5f) != fill) {
msd[0] = 1.f-msd[0];
msd[1] = 1.f-msd[1];
msd[2] = 1.f-msd[2];
else if ((sd > sdfZeroValue) != fill) {
msd[0] = doubleSdfZeroValue-msd[0];
msd[1] = doubleSdfZeroValue-msd[1];
msd[2] = doubleSdfZeroValue-msd[2];
*match = -1;
} else
*match = 1;
if (N >= 4 && (msd[3] > .5f) != fill)
msd[3] = 1.f-msd[3];
if (N >= 4 && (msd[3] > sdfZeroValue) != fill)
msd[3] = doubleSdfZeroValue-msd[3];
++match;
}
}
@@ -65,7 +67,6 @@ static void multiDistanceSignCorrection(const BitmapRef<float, N> &sdf, const Sh
if (ambiguous) {
match = &matchMap[0];
for (int y = 0; y < h; ++y) {
int row = shape.inverseYAxis ? h-y-1 : y;
for (int x = 0; x < w; ++x) {
if (!*match) {
int neighborMatch = 0;
@@ -74,10 +75,10 @@ static void multiDistanceSignCorrection(const BitmapRef<float, N> &sdf, const Sh
if (y > 0) neighborMatch += *(match-w);
if (y < h-1) neighborMatch += *(match+w);
if (neighborMatch < 0) {
float *msd = sdf(x, row);
msd[0] = 1.f-msd[0];
msd[1] = 1.f-msd[1];
msd[2] = 1.f-msd[2];
float *msd = sdf(x, y);
msd[0] = doubleSdfZeroValue-msd[0];
msd[1] = doubleSdfZeroValue-msd[1];
msd[2] = doubleSdfZeroValue-msd[2];
}
}
++match;
@@ -86,29 +87,41 @@ static void multiDistanceSignCorrection(const BitmapRef<float, N> &sdf, const Sh
}
}
void distanceSignCorrection(const BitmapRef<float, 3> &sdf, const Shape &shape, const Projection &projection, FillRule fillRule) {
multiDistanceSignCorrection(sdf, shape, projection, fillRule);
void distanceSignCorrection(BitmapSection<float, 3> sdf, const Shape &shape, const Projection &projection, float sdfZeroValue, FillRule fillRule) {
multiDistanceSignCorrection(sdf, shape, projection, sdfZeroValue, fillRule);
}
void distanceSignCorrection(const BitmapRef<float, 4> &sdf, const Shape &shape, const Projection &projection, FillRule fillRule) {
multiDistanceSignCorrection(sdf, shape, projection, fillRule);
void distanceSignCorrection(BitmapSection<float, 4> sdf, const Shape &shape, const Projection &projection, float sdfZeroValue, FillRule fillRule) {
multiDistanceSignCorrection(sdf, shape, projection, sdfZeroValue, fillRule);
}
// Legacy API
void rasterize(const BitmapRef<float, 1> &output, const Shape &shape, const Vector2 &scale, const Vector2 &translate, FillRule fillRule) {
void rasterize(const BitmapSection<float, 1> &output, const Shape &shape, const Vector2 &scale, const Vector2 &translate, FillRule fillRule) {
rasterize(output, shape, Projection(scale, translate), fillRule);
}
void distanceSignCorrection(const BitmapRef<float, 1> &sdf, const Shape &shape, const Vector2 &scale, const Vector2 &translate, FillRule fillRule) {
void distanceSignCorrection(BitmapSection<float, 1> sdf, const Shape &shape, const Projection &projection, FillRule fillRule) {
distanceSignCorrection(sdf, shape, projection, .5f, fillRule);
}
void distanceSignCorrection(BitmapSection<float, 3> sdf, const Shape &shape, const Projection &projection, FillRule fillRule) {
distanceSignCorrection(sdf, shape, projection, .5f, fillRule);
}
void distanceSignCorrection(BitmapSection<float, 4> sdf, const Shape &shape, const Projection &projection, FillRule fillRule) {
distanceSignCorrection(sdf, shape, projection, .5f, fillRule);
}
void distanceSignCorrection(const BitmapSection<float, 1> &sdf, const Shape &shape, const Vector2 &scale, const Vector2 &translate, FillRule fillRule) {
distanceSignCorrection(sdf, shape, Projection(scale, translate), fillRule);
}
void distanceSignCorrection(const BitmapRef<float, 3> &sdf, const Shape &shape, const Vector2 &scale, const Vector2 &translate, FillRule fillRule) {
void distanceSignCorrection(const BitmapSection<float, 3> &sdf, const Shape &shape, const Vector2 &scale, const Vector2 &translate, FillRule fillRule) {
distanceSignCorrection(sdf, shape, Projection(scale, translate), fillRule);
}
void distanceSignCorrection(const BitmapRef<float, 4> &sdf, const Shape &shape, const Vector2 &scale, const Vector2 &translate, FillRule fillRule) {
void distanceSignCorrection(const BitmapSection<float, 4> &sdf, const Shape &shape, const Vector2 &scale, const Vector2 &translate, FillRule fillRule) {
distanceSignCorrection(sdf, shape, Projection(scale, translate), fillRule);
}