true to perform the shaping step, false to skip it.harfbuzz.types
D types for harfbuzz0 library
var AAT_LAYOUT_NO_SELECTOR_INDEX BUFFER_REPLACEMENT_CODEPOINT_DEFAULT CODEPOINT_INVALID FEATURE_GLOBAL_START FONT_NO_VAR_NAMED_INSTANCE LANGUAGE_INVALID OT_LAYOUT_DEFAULT_LANGUAGE_INDEX OT_LAYOUT_NO_FEATURE_INDEX OT_LAYOUT_NO_SCRIPT_INDEX OT_LAYOUT_NO_VARIATIONS_INDEX OT_MAX_TAGS_PER_LANGUAGE OT_MAX_TAGS_PER_SCRIPT OT_VAR_NO_AXIS_INDEX UNICODE_COMBINING_CLASS_CCC133 UNICODE_MAX UNICODE_MAX_DECOMPOSITION_LEN VERSION_MAJOR VERSION_MICRO VERSION_MINOR VERSION_STRING
alias AatLayoutFeatureSelector AatLayoutFeatureSelectorInfo AatLayoutFeatureType Bool BufferClusterLevel BufferContentType BufferDiffFlags BufferFlags BufferMessageFunc BufferSerializeFlags BufferSerializeFormat Codepoint Color ColorLineGetColorStopsFunc ColorLineGetExtendFunc ColorStop DestroyFunc Direction DrawClosePathFunc DrawCubicToFunc DrawLineToFunc DrawMoveToFunc DrawQuadraticToFunc FontDrawGlyphFunc FontExtents FontGetFontExtentsFunc FontGetFontHExtentsFunc FontGetFontVExtentsFunc FontGetGlyphAdvanceFunc FontGetGlyphContourPointFunc FontGetGlyphExtentsFunc FontGetGlyphFromNameFunc FontGetGlyphFunc FontGetGlyphHAdvanceFunc FontGetGlyphHKerningFunc FontGetGlyphHOriginFunc FontGetGlyphKerningFunc FontGetGlyphNameFunc FontGetGlyphOriginFunc FontGetGlyphShapeFunc FontGetGlyphVAdvanceFunc FontGetGlyphVKerningFunc FontGetGlyphVOriginFunc FontGetNominalGlyphFunc FontGetVariationGlyphFunc FontPaintGlyphFunc GlyphExtents GlyphFlags Language Mask MemoryMode OtColorLayer OtColorPaletteFlags OtLayoutBaselineTag OtLayoutGlyphClass OtMathConstant OtMathGlyphPart OtMathGlyphPartFlags OtMathGlyphVariant OtMathKern OtMathKernEntry OtMetaTag OtMetricsTag OtNameId OtNameIdPredefined OtVarAxis OtVarAxisFlags OtVarAxisInfo PaintColorFunc PaintColorGlyphFunc PaintCompositeMode PaintCustomPaletteColorFunc PaintExtend PaintImageFunc PaintLinearGradientFunc PaintPopClipFunc PaintPopGroupFunc PaintPopTransformFunc PaintPushClipGlyphFunc PaintPushClipRectangleFunc PaintPushGroupFunc PaintPushTransformFunc PaintRadialGradientFunc PaintSweepGradientFunc Position ReferenceTableFunc Script StyleTag Tag UnicodeCombiningClass UnicodeCombiningClassFunc UnicodeComposeFunc UnicodeDecomposeFunc UnicodeEastasianWidthFunc UnicodeGeneralCategory UnicodeGeneralCategoryFunc UnicodeMirroringFunc UnicodeScriptFunc UserDataKey VarInt VarNum
Types 101
aliasBool = hb_bool_t
aliasCodepoint = hb_codepoint_t
aliasColor = hb_color_t
aliasMask = hb_mask_t
aliasOtNameId = hb_ot_name_id_t
aliasPosition = hb_position_t
aliasTag = hb_tag_t
aliasAatLayoutFeatureSelector = hb_aat_layout_feature_selector_t
aliasAatLayoutFeatureType = hb_aat_layout_feature_type_t
aliasBufferClusterLevel = hb_buffer_cluster_level_t
aliasBufferContentType = hb_buffer_content_type_t
aliasBufferDiffFlags = hb_buffer_diff_flags_t
aliasBufferFlags = hb_buffer_flags_t
aliasBufferSerializeFlags = hb_buffer_serialize_flags_t
aliasBufferSerializeFormat = hb_buffer_serialize_format_t
aliasDirection = hb_direction_t
aliasGlyphFlags = hb_glyph_flags_t
aliasMemoryMode = hb_memory_mode_t
aliasOtColorPaletteFlags = hb_ot_color_palette_flags_t
aliasOtLayoutBaselineTag = hb_ot_layout_baseline_tag_t
aliasOtLayoutGlyphClass = hb_ot_layout_glyph_class_t
aliasOtMathConstant = hb_ot_math_constant_t
aliasOtMathGlyphPartFlags = hb_ot_math_glyph_part_flags_t
aliasOtMathKern = hb_ot_math_kern_t
aliasOtMetaTag = hb_ot_meta_tag_t
aliasOtMetricsTag = hb_ot_metrics_tag_t
aliasOtNameIdPredefined = hb_ot_name_id_predefined_t
aliasOtVarAxisFlags = hb_ot_var_axis_flags_t
aliasPaintCompositeMode = hb_paint_composite_mode_t
aliasPaintExtend = hb_paint_extend_t
aliasScript = hb_script_t
aliasStyleTag = hb_style_tag_t
aliasUnicodeCombiningClass = hb_unicode_combining_class_t
aliasUnicodeGeneralCategory = hb_unicode_general_category_t
aliasAatLayoutFeatureSelectorInfo = hb_aat_layout_feature_selector_info_t
aliasColorStop = hb_color_stop_t
aliasFontExtents = hb_font_extents_t
aliasGlyphExtents = hb_glyph_extents_t
aliasLanguage = hb_language_t
aliasOtColorLayer = hb_ot_color_layer_t
aliasOtMathGlyphPart = hb_ot_math_glyph_part_t
aliasOtMathGlyphVariant = hb_ot_math_glyph_variant_t
aliasOtMathKernEntry = hb_ot_math_kern_entry_t
aliasOtVarAxis = hb_ot_var_axis_t
aliasOtVarAxisInfo = hb_ot_var_axis_info_t
aliasUserDataKey = hb_user_data_key_t
aliasVarInt = hb_var_int_t
aliasVarNum = hb_var_num_t
aliasBufferMessageFunc = harfbuzz.types.Bool delegate(harfbuzz.buffer.Buffer buffer, harfbuzz.font.Font font, string message)
A callback method for #hb_buffer_t. The method gets called with the #hb_buffer_t it was set on, the #hb_font_t the buffer is shaped with and a message describing what step of the shaping process will be performed. Returning false from this method will skip this shaping step and move to the next one.
Parameters
buffer | An #hb_buffer_t to work upon |
font | The #hb_font_t the buffer is shaped with |
message | NULL-terminated message passed to the function |
Returns
aliasColorLineGetColorStopsFunc = uint delegate(harfbuzz.color_line.ColorLine colorLine, void * colorLineData, uint start, ref harfbuzz.types.ColorStop[] colorStops)
A virtual method for the #hb_color_line_t to fetch color stops.
Parameters
colorLine | a #hb_color_line_t object |
colorLineData | the data accompanying color_line |
start | the index of the first color stop to return |
colorStops | Array of #hb_color_stop_t to populate |
Returns
the total number of color stops in color_line
aliasColorLineGetExtendFunc = harfbuzz.types.PaintExtend delegate(harfbuzz.color_line.ColorLine colorLine, void * colorLineData)
A virtual method for the hb_color_line_t to fetches the extend mode.
Parameters
colorLine | a #hb_color_line_t object |
colorLineData | the data accompanying color_line |
Returns
the extend mode of color_line
aliasDestroyFunc = void delegate()
A virtual method for destroy user-data callbacks.
aliasDrawClosePathFunc = void delegate(harfbuzz.draw_funcs.DrawFuncs dfuncs, void * drawData, harfbuzz.draw_state.DrawState st)
A virtual method for the #hb_draw_funcs_t to perform a "close-path" draw operation.
Parameters
dfuncs | draw functions object |
drawData | The data accompanying the draw functions in [harfbuzz.global.fontDrawGlyph] |
st | current draw state |
aliasDrawCubicToFunc = void delegate(harfbuzz.draw_funcs.DrawFuncs dfuncs, void * drawData, harfbuzz.draw_state.DrawState st, float control1X, float control1Y, float control2X, float control2Y, float toX, float toY)
A virtual method for the #hb_draw_funcs_t to perform a "cubic-to" draw operation.
Parameters
dfuncs | draw functions object |
drawData | The data accompanying the draw functions in [harfbuzz.global.fontDrawGlyph] |
st | current draw state |
control1X | X component of first control point |
control1Y | Y component of first control point |
control2X | X component of second control point |
control2Y | Y component of second control point |
toX | X component of target point |
toY | Y component of target point |
aliasDrawLineToFunc = void delegate(harfbuzz.draw_funcs.DrawFuncs dfuncs, void * drawData, harfbuzz.draw_state.DrawState st, float toX, float toY)
A virtual method for the #hb_draw_funcs_t to perform a "line-to" draw operation.
Parameters
dfuncs | draw functions object |
drawData | The data accompanying the draw functions in [harfbuzz.global.fontDrawGlyph] |
st | current draw state |
toX | X component of target point |
toY | Y component of target point |
aliasDrawMoveToFunc = void delegate(harfbuzz.draw_funcs.DrawFuncs dfuncs, void * drawData, harfbuzz.draw_state.DrawState st, float toX, float toY)
A virtual method for the #hb_draw_funcs_t to perform a "move-to" draw operation.
Parameters
dfuncs | draw functions object |
drawData | The data accompanying the draw functions in [harfbuzz.global.fontDrawGlyph] |
st | current draw state |
toX | X component of target point |
toY | Y component of target point |
aliasDrawQuadraticToFunc = void delegate(harfbuzz.draw_funcs.DrawFuncs dfuncs, void * drawData, harfbuzz.draw_state.DrawState st, float controlX, float controlY, float toX, float toY)
A virtual method for the #hb_draw_funcs_t to perform a "quadratic-to" draw operation.
Parameters
dfuncs | draw functions object |
drawData | The data accompanying the draw functions in [harfbuzz.global.fontDrawGlyph] |
st | current draw state |
controlX | X component of control point |
controlY | Y component of control point |
toX | X component of target point |
toY | Y component of target point |
aliasFontDrawGlyphFunc = void delegate(harfbuzz.font.Font font, void * fontData, harfbuzz.types.Codepoint glyph, harfbuzz.draw_funcs.DrawFuncs drawFuncs, void * drawData)
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
glyph | The glyph ID to query |
drawFuncs | The draw functions to send the shape data to |
drawData | The data accompanying the draw functions |
aliasFontGetFontExtentsFunc = harfbuzz.types.Bool delegate(harfbuzz.font.Font font, void * fontData, out harfbuzz.types.FontExtents extents)
This method should retrieve the extents for a font.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
extents | The font extents retrieved |
Returns
aliasFontGetGlyphAdvanceFunc = harfbuzz.types.Position delegate(harfbuzz.font.Font font, void * fontData, harfbuzz.types.Codepoint glyph)
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
This method should retrieve the advance for a specified glyph. The method must return an #hb_position_t.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
glyph | The glyph ID to query |
Returns
The advance of glyph within font
aliasFontGetGlyphContourPointFunc = harfbuzz.types.Bool delegate(harfbuzz.font.Font font, void * fontData, harfbuzz.types.Codepoint glyph, uint pointIndex, out harfbuzz.types.Position x, out harfbuzz.types.Position y)
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
This method should retrieve the (X,Y) coordinates (in font units) for a specified contour point in a glyph. Each coordinate must be returned as an #hb_position_t output parameter.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
glyph | The glyph ID to query |
pointIndex | The contour-point index to query |
x | The X value retrieved for the contour point |
y | The Y value retrieved for the contour point |
Returns
true if data found, false otherwisealiasFontGetGlyphExtentsFunc = harfbuzz.types.Bool delegate(harfbuzz.font.Font font, void * fontData, harfbuzz.types.Codepoint glyph, out harfbuzz.types.GlyphExtents extents)
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
This method should retrieve the extents for a specified glyph. Extents must be returned in an #hb_glyph_extents output parameter.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
glyph | The glyph ID to query |
extents | The #hb_glyph_extents_t retrieved |
Returns
true if data found, false otherwisealiasFontGetGlyphFromNameFunc = harfbuzz.types.Bool delegate(harfbuzz.font.Font font, void * fontData, char[] name, out harfbuzz.types.Codepoint glyph)
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
This method should retrieve the glyph ID that corresponds to a glyph-name string.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
name | The name string to query |
glyph | The glyph ID retrieved |
Returns
true if data found, false otherwisealiasFontGetGlyphFunc = harfbuzz.types.Bool delegate(harfbuzz.font.Font font, void * fontData, harfbuzz.types.Codepoint unicode, harfbuzz.types.Codepoint variationSelector, out harfbuzz.types.Codepoint glyph)
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
This method should retrieve the glyph ID for a specified Unicode code point font, with an optional variation selector.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
unicode | The Unicode code point to query |
variationSelector | The variation-selector code point to query |
glyph | The glyph ID retrieved |
Returns
true if data found, false otherwisealiasFontGetGlyphKerningFunc = harfbuzz.types.Position delegate(harfbuzz.font.Font font, void * fontData, harfbuzz.types.Codepoint firstGlyph, harfbuzz.types.Codepoint secondGlyph)
This method should retrieve the kerning-adjustment value for a glyph-pair in the specified font, for horizontal text segments.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
firstGlyph | The glyph ID of the first glyph in the glyph pair |
secondGlyph | The glyph ID of the second glyph in the glyph pair |
Returns
aliasFontGetGlyphNameFunc = harfbuzz.types.Bool delegate(harfbuzz.font.Font font, void * fontData, harfbuzz.types.Codepoint glyph, ref char[] name)
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
This method should retrieve the glyph name that corresponds to a glyph ID. The name should be returned in a string output parameter.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
glyph | The glyph ID to query |
name | Name string retrieved for the glyph ID |
Returns
true if data found, false otherwisealiasFontGetGlyphOriginFunc = harfbuzz.types.Bool delegate(harfbuzz.font.Font font, void * fontData, harfbuzz.types.Codepoint glyph, out harfbuzz.types.Position x, out harfbuzz.types.Position y)
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
This method should retrieve the (X,Y) coordinates (in font units) of the origin for a glyph. Each coordinate must be returned in an #hb_position_t output parameter.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
glyph | The glyph ID to query |
x | The X coordinate of the origin |
y | The Y coordinate of the origin |
Returns
true if data found, false otherwisealiasFontGetGlyphShapeFunc = void delegate(harfbuzz.font.Font font, void * fontData, harfbuzz.types.Codepoint glyph, harfbuzz.draw_funcs.DrawFuncs drawFuncs, void * drawData)
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
glyph | The glyph ID to query |
drawFuncs | The draw functions to send the shape data to |
drawData | The data accompanying the draw functions |
Deprecated
Use #hb_font_draw_glyph_func_t instead
aliasFontGetNominalGlyphFunc = harfbuzz.types.Bool delegate(harfbuzz.font.Font font, void * fontData, harfbuzz.types.Codepoint unicode, out harfbuzz.types.Codepoint glyph)
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
This method should retrieve the nominal glyph ID for a specified Unicode code point. Glyph IDs must be returned in a #hb_codepoint_t output parameter.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
unicode | The Unicode code point to query |
glyph | The glyph ID retrieved |
Returns
true if data found, false otherwisealiasFontGetVariationGlyphFunc = harfbuzz.types.Bool delegate(harfbuzz.font.Font font, void * fontData, harfbuzz.types.Codepoint unicode, harfbuzz.types.Codepoint variationSelector, out harfbuzz.types.Codepoint glyph)
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
This method should retrieve the glyph ID for a specified Unicode code point followed by a specified Variation Selector code point. Glyph IDs must be returned in a #hb_codepoint_t output parameter.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
unicode | The Unicode code point to query |
variationSelector | The variation-selector code point to query |
glyph | The glyph ID retrieved |
Returns
true if data found, false otherwisealiasFontPaintGlyphFunc = void delegate(harfbuzz.font.Font font, void * fontData, harfbuzz.types.Codepoint glyph, harfbuzz.paint_funcs.PaintFuncs paintFuncs, void * paintData, uint paletteIndex, harfbuzz.types.Color foreground)
A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
Parameters
font | #hb_font_t to work upon |
fontData | font user data pointer |
glyph | The glyph ID to query |
paintFuncs | The paint functions to use |
paintData | The data accompanying the paint functions |
paletteIndex | The color palette to use |
foreground | The foreground color |
aliasPaintColorFunc = void delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData, harfbuzz.types.Bool isForeground, harfbuzz.types.Color color)
A virtual method for the #hb_paint_funcs_t to paint a color everywhere within the current clip.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
isForeground | whether the color is the foreground |
color | The color to use, unpremultiplied |
aliasPaintColorGlyphFunc = harfbuzz.types.Bool delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData, harfbuzz.types.Codepoint glyph, harfbuzz.font.Font font)
A virtual method for the #hb_paint_funcs_t to render a color glyph by glyph index.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
glyph | the glyph ID |
font | the font |
Returns
true if the glyph was painted, false otherwise.
aliasPaintCustomPaletteColorFunc = harfbuzz.types.Bool delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData, uint colorIndex, out harfbuzz.types.Color color)
A virtual method for the #hb_paint_funcs_t to fetch a color from the custom color palette.
Custom palette colors override the colors from the fonts selected color palette. It is not necessary to override all palette entries; for entries that should be taken from the font palette, return false.
This function might get called multiple times, but the custom palette is expected to remain unchanged for duration of a [harfbuzz.global.fontPaintGlyph] call.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
colorIndex | the color index |
color | fetched color |
Returns
true if found, false otherwisealiasPaintImageFunc = harfbuzz.types.Bool delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData, harfbuzz.blob.Blob image, uint width, uint height, harfbuzz.types.Tag format, float slant, harfbuzz.types.GlyphExtents extents)
A virtual method for the #hb_paint_funcs_t to paint a glyph image.
This method is called for glyphs with image blobs in the CBDT, sbix or SVG tables. The format identifies the kind of data that is contained in image. Possible values include #HB_PAINT_IMAGE_FORMAT_PNG, #HB_PAINT_IMAGE_FORMAT_SVG and #HB_PAINT_IMAGE_FORMAT_BGRA.
The image dimensions and glyph extents are provided if available, and should be used to size and position the image.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
image | the image data |
width | width of the raster image in pixels, or 0 |
height | height of the raster image in pixels, or 0 |
format | the image format as a tag |
slant | the synthetic slant ratio to be applied to the image during rendering |
extents | glyph extents for desired rendering |
Returns
Whether the operation was successful.
aliasPaintLinearGradientFunc = void delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData, harfbuzz.color_line.ColorLine colorLine, float x0, float y0, float x1, float y1, float x2, float y2)
A virtual method for the #hb_paint_funcs_t to paint a linear gradient everywhere within the current clip.
The color_line object contains information about the colors of the gradients. It is only valid for the duration of the callback, you cannot keep it around.
The coordinates of the points are interpreted according to the current transform.
See the OpenType spec COLR section for details on how the points define the direction of the gradient, and how to interpret the color_line.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
colorLine | Color information for the gradient |
x0 | X coordinate of the first point |
y0 | Y coordinate of the first point |
x1 | X coordinate of the second point |
y1 | Y coordinate of the second point |
x2 | X coordinate of the third point |
y2 | Y coordinate of the third point |
aliasPaintPopClipFunc = void delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData)
A virtual method for the #hb_paint_funcs_t to undo the effect of a prior call to the #hb_paint_funcs_push_clip_glyph_func_t or #hb_paint_funcs_push_clip_rectangle_func_t vfuncs.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
aliasPaintPopGroupFunc = void delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData, harfbuzz.types.PaintCompositeMode mode)
A virtual method for the #hb_paint_funcs_t to undo the effect of a prior call to the #hb_paint_funcs_push_group_func_t vfunc.
This call stops the redirection to the intermediate surface, and then composites it on the previous surface, using the compositing mode passed to this call.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
mode | the compositing mode to use |
aliasPaintPopTransformFunc = void delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData)
A virtual method for the #hb_paint_funcs_t to undo the effect of a prior call to the #hb_paint_funcs_push_transform_func_t vfunc.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
aliasPaintPushClipGlyphFunc = void delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData, harfbuzz.types.Codepoint glyph, harfbuzz.font.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 interpreted according to 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.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
glyph | the glyph ID |
font | the font |
aliasPaintPushClipRectangleFunc = void delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData, float xmin, float ymin, float xmax, float ymax)
A virtual method for the #hb_paint_funcs_t to clip subsequent paint calls to a rectangle.
The coordinates of the rectangle are interpreted according to 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.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
xmin | min X for the rectangle |
ymin | min Y for the rectangle |
xmax | max X for the rectangle |
ymax | max Y for the rectangle |
aliasPaintPushGroupFunc = void delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData)
A virtual method for the #hb_paint_funcs_t to use an intermediate surface for subsequent paint calls.
The drawing will be redirected to an intermediate surface until a matching call to the #hb_paint_funcs_pop_group_func_t vfunc.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
aliasPaintPushTransformFunc = void delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData, float xx, float yx, float xy, float yy, float dx, float dy)
A virtual method for the #hb_paint_funcs_t to apply a transform to subsequent paint calls.
This transform is applied after the current transform, and remains in effect until a matching call to the #hb_paint_funcs_pop_transform_func_t vfunc.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
xx | xx component of the transform matrix |
yx | yx component of the transform matrix |
xy | xy component of the transform matrix |
yy | yy component of the transform matrix |
dx | dx component of the transform matrix |
dy | dy component of the transform matrix |
aliasPaintRadialGradientFunc = void delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData, harfbuzz.color_line.ColorLine colorLine, float x0, float y0, float r0, float x1, float y1, float r1)
A virtual method for the #hb_paint_funcs_t to paint a radial gradient everywhere within the current clip.
The color_line object contains information about the colors of the gradients. It is only valid for the duration of the callback, you cannot keep it around.
The coordinates of the points are interpreted according to the current transform.
See the OpenType spec COLR section for details on how the points define the direction of the gradient, and how to interpret the color_line.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
colorLine | Color information for the gradient |
x0 | X coordinate of the first circle's center |
y0 | Y coordinate of the first circle's center |
r0 | radius of the first circle |
x1 | X coordinate of the second circle's center |
y1 | Y coordinate of the second circle's center |
r1 | radius of the second circle |
aliasPaintSweepGradientFunc = void delegate(harfbuzz.paint_funcs.PaintFuncs funcs, void * paintData, harfbuzz.color_line.ColorLine colorLine, float x0, float y0, float startAngle, float endAngle)
A virtual method for the #hb_paint_funcs_t to paint a sweep gradient everywhere within the current clip.
The color_line object contains information about the colors of the gradients. It is only valid for the duration of the callback, you cannot keep it around.
The coordinates of the points are interpreted according to the current transform.
See the OpenType spec COLR section for details on how the points define the direction of the gradient, and how to interpret the color_line.
Parameters
funcs | paint functions object |
paintData | The data accompanying the paint functions in [harfbuzz.global.fontPaintGlyph] |
colorLine | Color information for the gradient |
x0 | X coordinate of the circle's center |
y0 | Y coordinate of the circle's center |
startAngle | the start angle, in radians |
endAngle | the end angle, in radians |
aliasReferenceTableFunc = harfbuzz.blob.Blob delegate(harfbuzz.face.Face face, harfbuzz.types.Tag tag)
Callback function for [harfbuzz.global.faceCreateForTables].
Parameters
face | an #hb_face_t to reference table for |
tag | the tag of the table to reference |
Returns
A pointer to the tag table within face
aliasUnicodeCombiningClassFunc = harfbuzz.types.UnicodeCombiningClass delegate(harfbuzz.unicode_funcs.UnicodeFuncs ufuncs, harfbuzz.types.Codepoint unicode)
A virtual method for the #hb_unicode_funcs_t structure.
This method should retrieve the Canonical Combining Class (ccc) property for a specified Unicode code point.
Parameters
ufuncs | A Unicode-functions structure |
unicode | The code point to query |
Returns
The #hb_unicode_combining_class_t of unicode
aliasUnicodeComposeFunc = harfbuzz.types.Bool delegate(harfbuzz.unicode_funcs.UnicodeFuncs ufuncs, harfbuzz.types.Codepoint a, harfbuzz.types.Codepoint b, out harfbuzz.types.Codepoint ab)
A virtual method for the #hb_unicode_funcs_t structure.
This method should compose a sequence of two input Unicode code points by canonical equivalence, returning the composed code point in a #hb_codepoint_t output parameter (if successful). The method must return an #hb_bool_t indicating the success of the composition.
Parameters
ufuncs | A Unicode-functions structure |
a | The first code point to compose |
b | The second code point to compose |
ab | The composed code point |
Returns
true is a,b composed, false otherwisealiasUnicodeDecomposeFunc = harfbuzz.types.Bool delegate(harfbuzz.unicode_funcs.UnicodeFuncs ufuncs, harfbuzz.types.Codepoint ab, out harfbuzz.types.Codepoint a, out harfbuzz.types.Codepoint b)
A virtual method for the #hb_unicode_funcs_t structure.
This method should decompose an input Unicode code point, returning the two decomposed code points in #hb_codepoint_t output parameters (if successful). The method must return an #hb_bool_t indicating the success of the composition.
Parameters
ufuncs | A Unicode-functions structure |
ab | The code point to decompose |
a | The first decomposed code point |
b | The second decomposed code point |
Returns
true if ab decomposed, false otherwisealiasUnicodeEastasianWidthFunc = uint delegate(harfbuzz.unicode_funcs.UnicodeFuncs ufuncs, harfbuzz.types.Codepoint unicode)
A virtual method for the #hb_unicode_funcs_t structure.
Parameters
ufuncs | A Unicode-functions structure |
unicode | The code point to query |
Returns
aliasUnicodeGeneralCategoryFunc = harfbuzz.types.UnicodeGeneralCategory delegate(harfbuzz.unicode_funcs.UnicodeFuncs ufuncs, harfbuzz.types.Codepoint unicode)
A virtual method for the #hb_unicode_funcs_t structure.
This method should retrieve the General Category property for a specified Unicode code point.
Parameters
ufuncs | A Unicode-functions structure |
unicode | The code point to query |
Returns
The #hb_unicode_general_category_t of unicode
aliasUnicodeMirroringFunc = harfbuzz.types.Codepoint delegate(harfbuzz.unicode_funcs.UnicodeFuncs ufuncs, harfbuzz.types.Codepoint unicode)
A virtual method for the #hb_unicode_funcs_t structure.
This method should retrieve the Bi-Directional Mirroring Glyph code point for a specified Unicode code point.
<note>Note
If a code point does not have a specified
Bi-Directional Mirroring Glyph defined, the method should return the original code point.</note>
Parameters
ufuncs | A Unicode-functions structure |
unicode | The code point to query |
Returns
The #hb_codepoint_t of the Mirroring Glyph for unicode
aliasUnicodeScriptFunc = harfbuzz.types.Script delegate(harfbuzz.unicode_funcs.UnicodeFuncs ufuncs, harfbuzz.types.Codepoint unicode)
A virtual method for the #hb_unicode_funcs_t structure.
This method should retrieve the Script property for a specified Unicode code point.
Parameters
ufuncs | A Unicode-functions structure |
unicode | The code point to query |
Returns
The #hb_script_t of unicode
Variables 20
enumvar
AAT_LAYOUT_NO_SELECTOR_INDEX = 65535Used when getting or setting AAT feature selectors. Indicates that there is no selector index corresponding to the selector of interest.
enumvar
BUFFER_REPLACEMENT_CODEPOINT_DEFAULT = 65533The default code point for replacing invalid characters in a given encoding. Set to U+FFFD REPLACEMENT CHARACTER.
enumvar
CODEPOINT_INVALID = 4294967295Unused #hb_codepoint_t value.
enumvar
FEATURE_GLOBAL_START = 0Special setting for #hb_feature_t.start to apply the feature from the start of the buffer.
enumvar
FONT_NO_VAR_NAMED_INSTANCE = 4294967295Constant signifying that a font does not have any named-instance index set. This is the default of a font.
enumvar
LANGUAGE_INVALID = 0An unset #hb_language_t.
enumvar
OT_LAYOUT_DEFAULT_LANGUAGE_INDEX = 65535Special value for language index indicating default or unsupported language.
enumvar
OT_LAYOUT_NO_FEATURE_INDEX = 65535Special value for feature index indicating unsupported feature.
enumvar
OT_LAYOUT_NO_SCRIPT_INDEX = 65535Special value for script index indicating unsupported script.
enumvar
OT_LAYOUT_NO_VARIATIONS_INDEX = 4294967295Special value for variations index indicating unsupported variation.
enumvar
OT_MAX_TAGS_PER_LANGUAGE = 3Maximum number of OpenType tags that can correspond to a give #hb_language_t.
enumvar
OT_MAX_TAGS_PER_SCRIPT = 3Maximum number of OpenType tags that can correspond to a give #hb_script_t.
enumvar
OT_VAR_NO_AXIS_INDEX = 4294967295Do not use.
enumvar
UNICODE_COMBINING_CLASS_CCC133 = 133[Tibetan]
enumvar
UNICODE_MAX = 1114111Maximum valid Unicode code point.
enumvar
UNICODE_MAX_DECOMPOSITION_LEN = 19See Unicode 6.1 for details on the maximum decomposition length.
enumvar
VERSION_MAJOR = 8enumvar
VERSION_MICRO = 0enumvar
VERSION_MINOR = 3enumvar
VERSION_STRING = "8.3.0"