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C Application with Server and GUI
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#include "hb-common.h"Go to the source code of this file.
Data Structures | |
| struct | hb_color_stop_t |
| struct | hb_color_line_t |
Macros | |
| #define | HB_PAINT_IMAGE_FORMAT_PNG HB_TAG('p','n','g',' ') |
| #define | HB_PAINT_IMAGE_FORMAT_SVG HB_TAG('s','v','g',' ') |
| #define | HB_PAINT_IMAGE_FORMAT_BGRA HB_TAG('B','G','R','A') |
Typedefs | |
| typedef typedefHB_BEGIN_DECLS struct hb_paint_funcs_t | hb_paint_funcs_t |
| typedef void(* | hb_paint_push_transform_func_t) (hb_paint_funcs_t *funcs, void *paint_data, float xx, float yx, float xy, float yy, float dx, float dy, void *user_data) |
| typedef void(* | hb_paint_pop_transform_func_t) (hb_paint_funcs_t *funcs, void *paint_data, void *user_data) |
| typedef hb_bool_t(* | hb_paint_color_glyph_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_codepoint_t glyph, hb_font_t *font, void *user_data) |
| typedef void(* | hb_paint_push_clip_glyph_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_codepoint_t glyph, hb_font_t *font, void *user_data) |
| typedef void(* | hb_paint_push_clip_rectangle_func_t) (hb_paint_funcs_t *funcs, void *paint_data, float xmin, float ymin, float xmax, float ymax, void *user_data) |
| typedef void(* | hb_paint_pop_clip_func_t) (hb_paint_funcs_t *funcs, void *paint_data, void *user_data) |
| typedef void(* | hb_paint_color_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_bool_t is_foreground, hb_color_t color, void *user_data) |
| typedef hb_bool_t(* | hb_paint_image_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_blob_t *image, unsigned int width, unsigned int height, hb_tag_t format, float slant, hb_glyph_extents_t *extents, void *user_data) |
| typedef struct hb_color_line_t | hb_color_line_t |
| typedef unsigned int(* | hb_color_line_get_color_stops_func_t) (hb_color_line_t *color_line, void *color_line_data, unsigned int start, unsigned int *count, hb_color_stop_t *color_stops, void *user_data) |
| typedef hb_paint_extend_t(* | hb_color_line_get_extend_func_t) (hb_color_line_t *color_line, void *color_line_data, void *user_data) |
| typedef void(* | hb_paint_linear_gradient_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_color_line_t *color_line, float x0, float y0, float x1, float y1, float x2, float y2, void *user_data) |
| typedef void(* | hb_paint_radial_gradient_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_color_line_t *color_line, float x0, float y0, float r0, float x1, float y1, float r1, void *user_data) |
| typedef void(* | hb_paint_sweep_gradient_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_color_line_t *color_line, float x0, float y0, float start_angle, float end_angle, void *user_data) |
| typedef void(* | hb_paint_push_group_func_t) (hb_paint_funcs_t *funcs, void *paint_data, void *user_data) |
| typedef void(* | hb_paint_pop_group_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_paint_composite_mode_t mode, void *user_data) |
| typedef hb_bool_t(* | hb_paint_custom_palette_color_func_t) (hb_paint_funcs_t *funcs, void *paint_data, unsigned int color_index, hb_color_t *color, void *user_data) |
HB_PAINT_IMAGE_FORMAT_BGRA:
Tag identifying raw pixel-data images in hb_paint_image_func_t callbacks. The data is in BGRA pre-multiplied sRGBA color-space format.
Since: 7.0.0
Definition at line 274 of file hb-paint.h.
| #define HB_PAINT_IMAGE_FORMAT_PNG HB_TAG('p','n','g',' ') |
HB_PAINT_IMAGE_FORMAT_PNG:
Tag identifying PNG images in hb_paint_image_func_t callbacks.
Since: 7.0.0
Definition at line 255 of file hb-paint.h.
HB_PAINT_IMAGE_FORMAT_SVG:
Tag identifying SVG images in hb_paint_image_func_t callbacks.
Since: 7.0.0
Definition at line 264 of file hb-paint.h.
| typedef unsigned int(* hb_color_line_get_color_stops_func_t) (hb_color_line_t *color_line, void *color_line_data, unsigned int start, unsigned int *count, hb_color_stop_t *color_stops, void *user_data) |
hb_color_line_get_color_stops_func_t: @color_line: a hb_color_line_t object @color_line_data: the data accompanying @color_line @start: the index of the first color stop to return @count: (inout) (optional): Input = the maximum number of feature tags to return; Output = the actual number of feature tags returned (may be zero) @color_stops: (out) (array length=count) (optional): Array of hb_color_stop_t to populate @user_data: the data accompanying this method
A virtual method for the hb_color_line_t to fetch color stops.
Return value: the total number of color stops in @color_line
Since: 7.0.0
Definition at line 380 of file hb-paint.h.
| typedef hb_paint_extend_t(* hb_color_line_get_extend_func_t) (hb_color_line_t *color_line, void *color_line_data, void *user_data) |
hb_color_line_get_extend_func_t: @color_line: a hb_color_line_t object @color_line_data: the data accompanying @color_line @user_data: the data accompanying this method
A virtual method for the @hb_color_line_t to fetches the extend mode.
Return value: the extend mode of @color_line
Since: 7.0.0
Definition at line 399 of file hb-paint.h.
| typedef struct hb_color_line_t hb_color_line_t |
Definition at line 362 of file hb-paint.h.
| typedef void(* hb_paint_color_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_bool_t is_foreground, hb_color_t color, void *user_data) |
hb_paint_color_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @is_foreground: whether the color is the foreground @color: The color to use, unpremultiplied @user_data: User data pointer passed to hb_paint_funcs_set_color_func()
A virtual method for the hb_paint_funcs_t to paint a color everywhere within the current clip.
Since: 7.0.0
Definition at line 242 of file hb-paint.h.
| typedef hb_bool_t(* hb_paint_color_glyph_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_codepoint_t glyph, hb_font_t *font, void *user_data) |
hb_paint_color_glyph_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @glyph: the glyph ID @font: the font @user_data: User data pointer passed to hb_paint_funcs_set_color_glyph_func()
A virtual method for the hb_paint_funcs_t to render a color glyph by glyph index.
Return value: true if the glyph was painted, false otherwise.
Since: 8.2.0
Definition at line 153 of file hb-paint.h.
| typedef hb_bool_t(* hb_paint_custom_palette_color_func_t) (hb_paint_funcs_t *funcs, void *paint_data, unsigned int color_index, hb_color_t *color, void *user_data) |
hb_paint_custom_palette_color_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @color_index: the color index @color: (out): fetched color @user_data: User data pointer passed to hb_paint_funcs_set_pop_group_func()
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 hb_font_paint_glyph() call.
Return value: true if found, false otherwise
Since: 7.0.0
Definition at line 705 of file hb-paint.h.
| typedef typedefHB_BEGIN_DECLS struct hb_paint_funcs_t hb_paint_funcs_t |
hb_paint_funcs_t:
Glyph paint callbacks.
The callbacks assume that the caller maintains a stack of current transforms, clips and intermediate surfaces, as evidenced by the pairs of push/pop callbacks. The push/pop calls will be properly nested, so it is fine to store the different kinds of object on a single stack.
Not all callbacks are required for all kinds of glyphs. For rendering COLRv0 or non-color outline glyphs, the gradient callbacks are not needed, and the composite callback only needs to handle simple alpha compositing (HB_PAINT_COMPOSITE_MODE_SRC_OVER).
The paint-image callback is only needed for glyphs with image blobs in the CBDT, sbix or SVG tables.
The custom-palette-color callback is only necessary if you want to override colors from the font palette with custom colors.
Since: 7.0.0
Definition at line 63 of file hb-paint.h.
| typedef hb_bool_t(* hb_paint_image_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_blob_t *image, unsigned int width, unsigned int height, hb_tag_t format, float slant, hb_glyph_extents_t *extents, void *user_data) |
hb_paint_image_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() 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: (nullable): glyph extents for desired rendering @user_data: User data pointer passed to hb_paint_funcs_set_image_func()
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 inPossible 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.
Return value: Whether the operation was successful.
Since: 7.0.0
Definition at line 302 of file hb-paint.h.
| typedef void(* hb_paint_linear_gradient_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_color_line_t *color_line, float x0, float y0, float x1, float y1, float x2, float y2, void *user_data) |
hb_paint_linear_gradient_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @color_line: 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 @user_data: User data pointer passed to hb_paint_funcs_set_linear_gradient_func()
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.
Since: 7.0.0
Definition at line 466 of file hb-paint.h.
| typedef void(* hb_paint_pop_clip_func_t) (hb_paint_funcs_t *funcs, void *paint_data, void *user_data) |
hb_paint_pop_clip_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @user_data: User data pointer passed to hb_paint_funcs_set_pop_clip_func()
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.
Since: 7.0.0
Definition at line 225 of file hb-paint.h.
| typedef void(* hb_paint_pop_group_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_paint_composite_mode_t mode, void *user_data) |
hb_paint_pop_group_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @mode: the compositing mode to use @user_data: User data pointer passed to hb_paint_funcs_set_pop_group_func()
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.
Since: 7.0.0
Definition at line 678 of file hb-paint.h.
| typedef void(* hb_paint_pop_transform_func_t) (hb_paint_funcs_t *funcs, void *paint_data, void *user_data) |
hb_paint_pop_transform_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @user_data: User data pointer passed to hb_paint_funcs_set_pop_transform_func()
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.
Since: 7.0.0
Definition at line 135 of file hb-paint.h.
| typedef void(* hb_paint_push_clip_glyph_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_codepoint_t glyph, hb_font_t *font, void *user_data) |
hb_paint_push_clip_glyph_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @glyph: the glyph ID @font: the font @user_data: User data pointer passed to hb_paint_funcs_set_push_clip_glyph_func()
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.
Since: 7.0.0
Definition at line 179 of file hb-paint.h.
| typedef void(* hb_paint_push_clip_rectangle_func_t) (hb_paint_funcs_t *funcs, void *paint_data, float xmin, float ymin, float xmax, float ymax, void *user_data) |
hb_paint_push_clip_rectangle_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @xmin: min X for the rectangle @ymin: min Y for the rectangle @xmax: max X for the rectangle @ymax: max Y for the rectangle @user_data: User data pointer passed to hb_paint_funcs_set_push_clip_rectangle_func()
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.
Since: 7.0.0
Definition at line 207 of file hb-paint.h.
| typedef void(* hb_paint_push_group_func_t) (hb_paint_funcs_t *funcs, void *paint_data, void *user_data) |
hb_paint_push_group_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @user_data: User data pointer passed to hb_paint_funcs_set_push_group_func()
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.
Since: 7.0.0
Definition at line 657 of file hb-paint.h.
| typedef void(* hb_paint_push_transform_func_t) (hb_paint_funcs_t *funcs, void *paint_data, float xx, float yx, float xy, float yy, float dx, float dy, void *user_data) |
hb_paint_push_transform_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @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 @user_data: User data pointer passed to hb_paint_funcs_set_push_transform_func()
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.
Since: 7.0.0
Definition at line 116 of file hb-paint.h.
| typedef void(* hb_paint_radial_gradient_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_color_line_t *color_line, float x0, float y0, float r0, float x1, float y1, float r1, void *user_data) |
hb_paint_radial_gradient_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @color_line: 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 @user_data: User data pointer passed to hb_paint_funcs_set_radial_gradient_func()
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.
Since: 7.0.0
Definition at line 502 of file hb-paint.h.
| typedef void(* hb_paint_sweep_gradient_func_t) (hb_paint_funcs_t *funcs, void *paint_data, hb_color_line_t *color_line, float x0, float y0, float start_angle, float end_angle, void *user_data) |
hb_paint_sweep_gradient_func_t: @funcs: paint functions object @paint_data: The data accompanying the paint functions in hb_font_paint_glyph() @color_line: Color information for the gradient @x0: X coordinate of the circle's center @y0: Y coordinate of the circle's center @start_angle: the start angle, in radians @end_angle: the end angle, in radians @user_data: User data pointer passed to hb_paint_funcs_set_sweep_gradient_func()
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.
Since: 7.0.0
Definition at line 535 of file hb-paint.h.
hb_paint_composite_mode_t: @HB_PAINT_COMPOSITE_MODE_CLEAR: clear destination layer (bounded) @HB_PAINT_COMPOSITE_MODE_SRC: replace destination layer (bounded) @HB_PAINT_COMPOSITE_MODE_SRC_OVER: draw source layer on top of destination layer (bounded) @HB_PAINT_COMPOSITE_MODE_SRC_IN: draw source where there was destination content (unbounded) @HB_PAINT_COMPOSITE_MODE_SRC_OUT: draw source where there was no destination content (unbounded) @HB_PAINT_COMPOSITE_MODE_SRC_ATOP: draw source on top of destination content and only there @HB_PAINT_COMPOSITE_MODE_DEST: ignore the source @HB_PAINT_COMPOSITE_MODE_DEST_OVER: draw destination on top of source @HB_PAINT_COMPOSITE_MODE_DEST_IN: leave destination only where there was source content (unbounded) @HB_PAINT_COMPOSITE_MODE_DEST_OUT: leave destination only where there was no source content @HB_PAINT_COMPOSITE_MODE_DEST_ATOP: leave destination on top of source content and only there (unbounded) @HB_PAINT_COMPOSITE_MODE_XOR: source and destination are shown where there is only one of them @HB_PAINT_COMPOSITE_MODE_PLUS: source and destination layers are accumulated @HB_PAINT_COMPOSITE_MODE_MULTIPLY: source and destination layers are multiplied. This causes the result to be at least as dark as the darker inputs. @HB_PAINT_COMPOSITE_MODE_SCREEN: source and destination are complemented and multiplied. This causes the result to be at least as light as the lighter inputs. @HB_PAINT_COMPOSITE_MODE_OVERLAY: multiplies or screens, depending on the lightness of the destination color. @HB_PAINT_COMPOSITE_MODE_DARKEN: replaces the destination with the source if it is darker, otherwise keeps the source. @HB_PAINT_COMPOSITE_MODE_LIGHTEN: replaces the destination with the source if it is lighter, otherwise keeps the source. @HB_PAINT_COMPOSITE_MODE_COLOR_DODGE: brightens the destination color to reflect the source color. @HB_PAINT_COMPOSITE_MODE_COLOR_BURN: darkens the destination color to reflect the source color. @HB_PAINT_COMPOSITE_MODE_HARD_LIGHT: Multiplies or screens, dependent on source color. @HB_PAINT_COMPOSITE_MODE_SOFT_LIGHT: Darkens or lightens, dependent on source color. @HB_PAINT_COMPOSITE_MODE_DIFFERENCE: Takes the difference of the source and destination color. @HB_PAINT_COMPOSITE_MODE_EXCLUSION: Produces an effect similar to difference, but with lower contrast. @HB_PAINT_COMPOSITE_MODE_HSL_HUE: Creates a color with the hue of the source and the saturation and luminosity of the target. @HB_PAINT_COMPOSITE_MODE_HSL_SATURATION: Creates a color with the saturation of the source and the hue and luminosity of the target. Painting with this mode onto a gray area produces no change. @HB_PAINT_COMPOSITE_MODE_HSL_COLOR: Creates a color with the hue and saturation of the source and the luminosity of the target. This preserves the gray levels of the target and is useful for coloring monochrome images or tinting color images. @HB_PAINT_COMPOSITE_MODE_HSL_LUMINOSITY: Creates a color with the luminosity of the source and the hue and saturation of the target. This produces an inverse effect to @HB_PAINT_COMPOSITE_MODE_HSL_COLOR.
The values of this enumeration describe the compositing modes that can be used when combining temporary redirected drawing with the backdrop.
See the OpenType spec COLR section for details.
Since: 7.0.0
Definition at line 611 of file hb-paint.h.
| enum hb_paint_extend_t |
hb_paint_extend_t: @HB_PAINT_EXTEND_PAD: Outside the defined interval, the color of the closest color stop is used. @HB_PAINT_EXTEND_REPEAT: The color line is repeated over repeated multiples of the defined interval @HB_PAINT_EXTEND_REFLECT: The color line is repeated over repeated intervals, as for the repeat mode. However, in each repeated interval, the ordering of color stops is the reverse of the adjacent interval.
The values of this enumeration determine how color values outside the minimum and maximum defined offset on a hb_color_line_t are determined.
See the OpenType spec COLR section for details.
Since: 7.0.0
| Enumerator | |
|---|---|
| HB_PAINT_EXTEND_PAD | |
| HB_PAINT_EXTEND_REPEAT | |
| HB_PAINT_EXTEND_REFLECT | |
Definition at line 356 of file hb-paint.h.
| HB_EXTERN unsigned int hb_color_line_get_color_stops | ( | hb_color_line_t * | color_line, |
| unsigned int | start, | ||
| unsigned int * | count, | ||
| hb_color_stop_t * | color_stops ) |
| HB_EXTERN hb_paint_extend_t hb_color_line_get_extend | ( | hb_color_line_t * | color_line | ) |
| HB_EXTERN void hb_paint_color | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data, | ||
| hb_bool_t | is_foreground, | ||
| hb_color_t | color ) |
| HB_EXTERN hb_bool_t hb_paint_color_glyph | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data, | ||
| hb_codepoint_t | glyph, | ||
| hb_font_t * | font ) |
| HB_EXTERN hb_bool_t hb_paint_custom_palette_color | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data, | ||
| unsigned int | color_index, | ||
| hb_color_t * | color ) |
| HB_EXTERN hb_paint_funcs_t * hb_paint_funcs_create | ( | void | ) |
| HB_EXTERN void hb_paint_funcs_destroy | ( | hb_paint_funcs_t * | funcs | ) |
| HB_EXTERN hb_paint_funcs_t * hb_paint_funcs_get_empty | ( | void | ) |
| HB_EXTERN void * hb_paint_funcs_get_user_data | ( | const hb_paint_funcs_t * | funcs, |
| hb_user_data_key_t * | key ) |
| HB_EXTERN hb_bool_t hb_paint_funcs_is_immutable | ( | hb_paint_funcs_t * | funcs | ) |
| HB_EXTERN void hb_paint_funcs_make_immutable | ( | hb_paint_funcs_t * | funcs | ) |
| HB_EXTERN hb_paint_funcs_t * hb_paint_funcs_reference | ( | hb_paint_funcs_t * | funcs | ) |
| HB_EXTERN void hb_paint_funcs_set_color_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_color_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_color_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The paint-color callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the paint-color callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN void hb_paint_funcs_set_color_glyph_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_color_glyph_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_color_glyph_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The color-glyph callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the color-glyph callback on the paint functions struct.
Since: 8.2.0
| HB_EXTERN void hb_paint_funcs_set_custom_palette_color_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_custom_palette_color_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_custom_palette_color_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The custom-palette-color callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the custom-palette-color callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN void hb_paint_funcs_set_image_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_image_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_image_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The paint-image callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the paint-image callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN void hb_paint_funcs_set_linear_gradient_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_linear_gradient_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_linear_gradient_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The linear-gradient callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the linear-gradient callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN void hb_paint_funcs_set_pop_clip_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_pop_clip_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_pop_clip_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The pop-clip callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the pop-clip callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN void hb_paint_funcs_set_pop_group_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_pop_group_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_pop_group_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The pop-group callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the pop-group callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN void hb_paint_funcs_set_pop_transform_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_pop_transform_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_pop_transform_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The pop-transform callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the pop-transform callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN void hb_paint_funcs_set_push_clip_glyph_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_push_clip_glyph_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_push_clip_glyph_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The push-clip-glyph callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the push-clip-glyph callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN void hb_paint_funcs_set_push_clip_rectangle_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_push_clip_rectangle_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_push_clip_rectangle_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The push-clip-rectangle callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the push-clip-rect callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN void hb_paint_funcs_set_push_group_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_push_group_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_push_group_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The push-group callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the push-group callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN void hb_paint_funcs_set_push_transform_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_push_transform_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_push_transform_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The push-transform callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the push-transform callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN void hb_paint_funcs_set_radial_gradient_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_radial_gradient_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_radial_gradient_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The radial-gradient callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the radial-gradient callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN void hb_paint_funcs_set_sweep_gradient_func | ( | hb_paint_funcs_t * | funcs, |
| hb_paint_sweep_gradient_func_t | func, | ||
| void * | user_data, | ||
| hb_destroy_func_t | destroy ) |
hb_paint_funcs_set_sweep_gradient_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The sweep-gradient callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed
Sets the sweep-gradient callback on the paint functions struct.
Since: 7.0.0
| HB_EXTERN hb_bool_t hb_paint_funcs_set_user_data | ( | hb_paint_funcs_t * | funcs, |
| hb_user_data_key_t * | key, | ||
| void * | data, | ||
| hb_destroy_func_t | destroy, | ||
| hb_bool_t | replace ) |
| HB_EXTERN void hb_paint_image | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data, | ||
| hb_blob_t * | image, | ||
| unsigned int | width, | ||
| unsigned int | height, | ||
| hb_tag_t | format, | ||
| float | slant, | ||
| hb_glyph_extents_t * | extents ) |
| HB_EXTERN void hb_paint_linear_gradient | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data, | ||
| hb_color_line_t * | color_line, | ||
| float | x0, | ||
| float | y0, | ||
| float | x1, | ||
| float | y1, | ||
| float | x2, | ||
| float | y2 ) |
| HB_EXTERN void hb_paint_pop_clip | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data ) |
| HB_EXTERN void hb_paint_pop_group | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data, | ||
| hb_paint_composite_mode_t | mode ) |
| HB_EXTERN void hb_paint_pop_transform | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data ) |
| HB_EXTERN void hb_paint_push_clip_glyph | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data, | ||
| hb_codepoint_t | glyph, | ||
| hb_font_t * | font ) |
| HB_EXTERN void hb_paint_push_clip_rectangle | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data, | ||
| float | xmin, | ||
| float | ymin, | ||
| float | xmax, | ||
| float | ymax ) |
| HB_EXTERN void hb_paint_push_group | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data ) |
| HB_EXTERN void hb_paint_push_transform | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data, | ||
| float | xx, | ||
| float | yx, | ||
| float | xy, | ||
| float | yy, | ||
| float | dx, | ||
| float | dy ) |
| HB_EXTERN void hb_paint_radial_gradient | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data, | ||
| hb_color_line_t * | color_line, | ||
| float | x0, | ||
| float | y0, | ||
| float | r0, | ||
| float | x1, | ||
| float | y1, | ||
| float | r1 ) |
| HB_EXTERN void hb_paint_sweep_gradient | ( | hb_paint_funcs_t * | funcs, |
| void * | paint_data, | ||
| hb_color_line_t * | color_line, | ||
| float | x0, | ||
| float | y0, | ||
| float | start_angle, | ||
| float | end_angle ) |
1.10.0