Package org.freedesktop.harfbuzz

Interface PaintPushClipGlyphFunc

All Superinterfaces:

FunctionPointer

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
@Generated("io.github.jwharm.JavaGI")
public interface PaintPushClipGlyphFunc
extends FunctionPointer

Functional interface declaration of the PaintPushClipGlyphFunc callback.

See Also:

• run(org.freedesktop.harfbuzz.PaintFuncs, java.lang.foreign.MemorySegment, org.freedesktop.harfbuzz.Codepoint, org.freedesktop.harfbuzz.Font)

Method Summary

Modifier and Type	Method	Description
void	run(PaintFuncs funcs, @Nullable MemorySegment paintData, Codepoint glyph, Font font)	A virtual method for the hb_paint_funcs_t to clip subsequent paint calls to the outline of a glyph.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, int, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment funcs, MemorySegment paintData, int glyph, MemorySegment font, MemorySegment userData)	The upcall method is called from native code.

Method Details

run

void run(PaintFuncs funcs,
 @Nullable MemorySegment paintData,
 Codepoint glyph,
 Font font)

A virtual method for the hb_paint_funcs_t to clip subsequent paint calls to the outline of a glyph.

The coordinates of the glyph outline are expected in the current font scale (ie. the results of calling hb_font_draw_glyph() with font). The outline is transformed by the current transform.

This clip is applied in addition to the current clip, and remains in effect until a matching call to the hb_paint_funcs_pop_clip_func_t vfunc.

Since:

7.0.0

upcall

default void upcall(MemorySegment funcs,
 MemorySegment paintData,
 int glyph,
 MemorySegment font,
 MemorySegment userData)

The upcall method is called from native code. The parameters are marshaled and run(org.freedesktop.harfbuzz.PaintFuncs, java.lang.foreign.MemorySegment, org.freedesktop.harfbuzz.Codepoint, org.freedesktop.harfbuzz.Font) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, int, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the arena in which the function pointer is allocated

Returns:

the native function pointer