Thraix
4e466a1fce
- Add FreeType as dependency - Add MsdfGen as dependency - Add MsdfAtlasGen as dependency
80 lines
3.1 KiB
C++
80 lines
3.1 KiB
C++
|
|
#pragma once
|
|
|
|
#include <msdfgen.h>
|
|
#include <msdfgen-ext.h>
|
|
#include "types.h"
|
|
#include "Rectangle.h"
|
|
#include "GlyphBox.h"
|
|
|
|
namespace msdf_atlas {
|
|
|
|
/// Represents the shape geometry of a single glyph as well as its configuration
|
|
class GlyphGeometry {
|
|
|
|
public:
|
|
GlyphGeometry();
|
|
/// Loads glyph geometry from font
|
|
bool load(msdfgen::FontHandle *font, double geometryScale, msdfgen::GlyphIndex index, bool preprocessGeometry = true);
|
|
bool load(msdfgen::FontHandle *font, double geometryScale, unicode_t codepoint, bool preprocessGeometry = true);
|
|
/// Applies edge coloring to glyph shape
|
|
void edgeColoring(void (*fn)(msdfgen::Shape &, double, unsigned long long), double angleThreshold, unsigned long long seed);
|
|
/// Computes the dimensions of the glyph's box as well as the transformation for the generator function
|
|
void wrapBox(double scale, double range, double miterLimit);
|
|
/// Sets the glyph's box's position in the atlas
|
|
void placeBox(int x, int y);
|
|
/// Sets the glyph's box's rectangle in the atlas
|
|
void setBoxRect(const Rectangle &rect);
|
|
/// Returns the glyph's index within the font
|
|
int getIndex() const;
|
|
/// Returns the glyph's index as a msdfgen::GlyphIndex
|
|
msdfgen::GlyphIndex getGlyphIndex() const;
|
|
/// Returns the Unicode codepoint represented by the glyph or 0 if unknown
|
|
unicode_t getCodepoint() const;
|
|
/// Returns the glyph's identifier specified by the supplied identifier type
|
|
int getIdentifier(GlyphIdentifierType type) const;
|
|
/// Returns the glyph's shape
|
|
const msdfgen::Shape & getShape() const;
|
|
/// Returns the glyph's advance
|
|
double getAdvance() const;
|
|
/// Returns the glyph's box in the atlas
|
|
Rectangle getBoxRect() const;
|
|
/// Outputs the position and dimensions of the glyph's box in the atlas
|
|
void getBoxRect(int &x, int &y, int &w, int &h) const;
|
|
/// Outputs the dimensions of the glyph's box in the atlas
|
|
void getBoxSize(int &w, int &h) const;
|
|
/// Returns the range needed to generate the glyph's SDF
|
|
double getBoxRange() const;
|
|
/// Returns the projection needed to generate the glyph's bitmap
|
|
msdfgen::Projection getBoxProjection() const;
|
|
/// Returns the scale needed to generate the glyph's bitmap
|
|
double getBoxScale() const;
|
|
/// Returns the translation vector needed to generate the glyph's bitmap
|
|
msdfgen::Vector2 getBoxTranslate() const;
|
|
/// Outputs the bounding box of the glyph as it should be placed on the baseline
|
|
void getQuadPlaneBounds(double &l, double &b, double &r, double &t) const;
|
|
/// Outputs the bounding box of the glyph in the atlas
|
|
void getQuadAtlasBounds(double &l, double &b, double &r, double &t) const;
|
|
/// Returns true if the glyph is a whitespace and has no geometry
|
|
bool isWhitespace() const;
|
|
/// Simplifies to GlyphBox
|
|
operator GlyphBox() const;
|
|
|
|
private:
|
|
int index;
|
|
unicode_t codepoint;
|
|
double geometryScale;
|
|
msdfgen::Shape shape;
|
|
msdfgen::Shape::Bounds bounds;
|
|
double advance;
|
|
struct {
|
|
Rectangle rect;
|
|
double range;
|
|
double scale;
|
|
msdfgen::Vector2 translate;
|
|
} box;
|
|
|
|
};
|
|
|
|
}
|