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msdf-atlas-gen
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Added a way to specify amount of padding for each glyph

This commit is contained in:
Mat1337 2023-07-07 19:39:36 +02:00
parent b1af88cfca
commit baf20ea633
1 changed files with 12 additions and 1 deletions
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13
msdf-atlas-gen/main.cpp
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@ -83,6 +83,8 @@ ATLAS CONFIGURATION
power of two square / ... rectangle / any square / square with side divisible by 2 / ... 4 power of two square / ... rectangle / any square / square with side divisible by 2 / ... 4
-yorigin <bottom / top> -yorigin <bottom / top>
Determines whether the Y-axis is oriented upwards (bottom origin, default) or downwards (top origin). Determines whether the Y-axis is oriented upwards (bottom origin, default) or downwards (top origin).
-padding <amount>
Specifies how much padding each glyph will have in the generated atlas
OUTPUT SPECIFICATION - one or more can be specified OUTPUT SPECIFICATION - one or more can be specified
-imageout <filename.*> -imageout <filename.*>
@ -248,6 +250,7 @@ struct Configuration {
double pxRange; double pxRange;
double angleThreshold; double angleThreshold;
double miterLimit; double miterLimit;
double padding;
void (*edgeColoring)(msdfgen::Shape &, double, unsigned long long); void (*edgeColoring)(msdfgen::Shape &, double, unsigned long long);
bool expensiveColoring; bool expensiveColoring;
unsigned long long coloringSeed; unsigned long long coloringSeed;
@ -629,6 +632,14 @@ int main(int argc, const char * const *argv) {
++argPos; ++argPos;
continue; continue;
} }
ARG_CASE("-padding", 1) {
double m;
if (!(parseDouble(m, argv[++argPos]) && m >= 0))
ABORT("Invalid padding argument. Use -padding <amount> with a positive real number.");
config.padding = m;
++argPos;
continue;
}
ARG_CASE("-nokerning", 0) { ARG_CASE("-nokerning", 0) {
config.kerning = false; config.kerning = false;
++argPos; ++argPos;
@ -938,7 +949,7 @@ int main(int argc, const char * const *argv) {
atlasPacker.setDimensions(fixedWidth, fixedHeight); atlasPacker.setDimensions(fixedWidth, fixedHeight);
else else
atlasPacker.setDimensionsConstraint(atlasSizeConstraint); atlasPacker.setDimensionsConstraint(atlasSizeConstraint);
atlasPacker.setPadding(config.imageType == ImageType::MSDF || config.imageType == ImageType::MTSDF ? 0 : -1); atlasPacker.setPadding(config.imageType == ImageType::MSDF || config.imageType == ImageType::MTSDF ? config.padding : -1);
// TODO: In this case (if padding is -1), the border pixels of each glyph are black, but still computed. For floating-point output, this may play a role. // TODO: In this case (if padding is -1), the border pixels of each glyph are black, but still computed. For floating-point output, this may play a role.
if (fixedScale) if (fixedScale)
atlasPacker.setScale(config.emSize); atlasPacker.setScale(config.emSize);