Branch
Hash :
01e9c77e
Author :
Date :
2025-04-22T21:57:02
[COLR] Fix clip-box Was slanting it. Was wrong with new code.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764
/*
* Copyright © 2022 Matthias Clasen
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*/
#include "hb.hh"
#ifndef HB_NO_PAINT
#include "hb-paint.hh"
/**
* SECTION: hb-paint
* @title: hb-paint
* @short_description: Glyph painting
* @include: hb.h
*
* Functions for painting glyphs.
*
* The main purpose of these functions is to paint (extract) color glyph layers
* from the COLRv1 table, but the API works for drawing ordinary outlines and
* images as well.
*
* The #hb_paint_funcs_t struct can be used with hb_font_paint_glyph().
**/
static void
hb_paint_push_transform_nil (hb_paint_funcs_t *funcs, void *paint_data,
float xx, float yx,
float xy, float yy,
float dx, float dy,
void *user_data) {}
static void
hb_paint_pop_transform_nil (hb_paint_funcs_t *funcs, void *paint_data,
void *user_data) {}
static hb_bool_t
hb_paint_color_glyph_nil (hb_paint_funcs_t *funcs, void *paint_data,
hb_codepoint_t glyph,
hb_font_t *font,
void *user_data) { return false; }
static void
hb_paint_push_clip_glyph_nil (hb_paint_funcs_t *funcs, void *paint_data,
hb_codepoint_t glyph,
hb_font_t *font,
void *user_data) {}
static void
hb_paint_push_clip_rectangle_nil (hb_paint_funcs_t *funcs, void *paint_data,
float xmin, float ymin, float xmax, float ymax,
void *user_data) {}
static void
hb_paint_pop_clip_nil (hb_paint_funcs_t *funcs, void *paint_data,
void *user_data) {}
static void
hb_paint_color_nil (hb_paint_funcs_t *funcs, void *paint_data,
hb_bool_t is_foreground,
hb_color_t color,
void *user_data) {}
static hb_bool_t
hb_paint_image_nil (hb_paint_funcs_t *funcs, void *paint_data,
hb_blob_t *image,
unsigned int width,
unsigned int height,
hb_tag_t format,
float slant_xy_deprecated,
hb_glyph_extents_t *extents,
void *user_data) { return false; }
static void
hb_paint_linear_gradient_nil (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) {}
static void
hb_paint_radial_gradient_nil (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) {}
static void
hb_paint_sweep_gradient_nil (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) {}
static void
hb_paint_push_group_nil (hb_paint_funcs_t *funcs, void *paint_data,
void *user_data) {}
static void
hb_paint_pop_group_nil (hb_paint_funcs_t *funcs, void *paint_data,
hb_paint_composite_mode_t mode,
void *user_data) {}
static hb_bool_t
hb_paint_custom_palette_color_nil (hb_paint_funcs_t *funcs, void *paint_data,
unsigned int color_index,
hb_color_t *color,
void *user_data) { return false; }
static bool
_hb_paint_funcs_set_preamble (hb_paint_funcs_t *funcs,
bool func_is_null,
void **user_data,
hb_destroy_func_t *destroy)
{
if (hb_object_is_immutable (funcs))
{
if (*destroy)
(*destroy) (*user_data);
return false;
}
if (func_is_null)
{
if (*destroy)
(*destroy) (*user_data);
*destroy = nullptr;
*user_data = nullptr;
}
return true;
}
static bool
_hb_paint_funcs_set_middle (hb_paint_funcs_t *funcs,
void *user_data,
hb_destroy_func_t destroy)
{
if (user_data && !funcs->user_data)
{
funcs->user_data = (decltype (funcs->user_data)) hb_calloc (1, sizeof (*funcs->user_data));
if (unlikely (!funcs->user_data))
goto fail;
}
if (destroy && !funcs->destroy)
{
funcs->destroy = (decltype (funcs->destroy)) hb_calloc (1, sizeof (*funcs->destroy));
if (unlikely (!funcs->destroy))
goto fail;
}
return true;
fail:
if (destroy)
(destroy) (user_data);
return false;
}
#define HB_PAINT_FUNC_IMPLEMENT(name) \
\
void \
hb_paint_funcs_set_##name##_func (hb_paint_funcs_t *funcs, \
hb_paint_##name##_func_t func, \
void *user_data, \
hb_destroy_func_t destroy) \
{ \
if (!_hb_paint_funcs_set_preamble (funcs, !func, &user_data, &destroy)) \
return; \
\
if (funcs->destroy && funcs->destroy->name) \
funcs->destroy->name (!funcs->user_data ? nullptr : funcs->user_data->name);\
\
if (!_hb_paint_funcs_set_middle (funcs, user_data, destroy)) \
return; \
\
if (func) \
funcs->func.name = func; \
else \
funcs->func.name = hb_paint_##name##_nil; \
\
if (funcs->user_data) \
funcs->user_data->name = user_data; \
if (funcs->destroy) \
funcs->destroy->name = destroy; \
}
HB_PAINT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_PAINT_FUNC_IMPLEMENT
/**
* hb_paint_funcs_create:
*
* Creates a new #hb_paint_funcs_t structure of paint functions.
*
* The initial reference count of 1 should be released with hb_paint_funcs_destroy()
* when you are done using the #hb_paint_funcs_t. This function never returns
* `NULL`. If memory cannot be allocated, a special singleton #hb_paint_funcs_t
* object will be returned.
*
* Returns value: (transfer full): the paint-functions structure
*
* Since: 7.0.0
*/
hb_paint_funcs_t *
hb_paint_funcs_create ()
{
hb_paint_funcs_t *funcs;
if (unlikely (!(funcs = hb_object_create<hb_paint_funcs_t> ())))
return const_cast<hb_paint_funcs_t *> (&Null (hb_paint_funcs_t));
funcs->func = Null (hb_paint_funcs_t).func;
return funcs;
}
DEFINE_NULL_INSTANCE (hb_paint_funcs_t) =
{
HB_OBJECT_HEADER_STATIC,
{
#define HB_PAINT_FUNC_IMPLEMENT(name) hb_paint_##name##_nil,
HB_PAINT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_PAINT_FUNC_IMPLEMENT
}
};
/**
* hb_paint_funcs_get_empty:
*
* Fetches the singleton empty paint-functions structure.
*
* Return value: (transfer full): The empty paint-functions structure
*
* Since: 7.0.0
**/
hb_paint_funcs_t *
hb_paint_funcs_get_empty ()
{
return const_cast<hb_paint_funcs_t *> (&Null (hb_paint_funcs_t));
}
/**
* hb_paint_funcs_reference: (skip)
* @funcs: The paint-functions structure
*
* Increases the reference count on a paint-functions structure.
*
* This prevents @funcs from being destroyed until a matching
* call to hb_paint_funcs_destroy() is made.
*
* Return value: The paint-functions structure
*
* Since: 7.0.0
*/
hb_paint_funcs_t *
hb_paint_funcs_reference (hb_paint_funcs_t *funcs)
{
return hb_object_reference (funcs);
}
/**
* hb_paint_funcs_destroy: (skip)
* @funcs: The paint-functions structure
*
* Decreases the reference count on a paint-functions structure.
*
* When the reference count reaches zero, the structure
* is destroyed, freeing all memory.
*
* Since: 7.0.0
*/
void
hb_paint_funcs_destroy (hb_paint_funcs_t *funcs)
{
if (!hb_object_destroy (funcs)) return;
if (funcs->destroy)
{
#define HB_PAINT_FUNC_IMPLEMENT(name) \
if (funcs->destroy->name) funcs->destroy->name (!funcs->user_data ? nullptr : funcs->user_data->name);
HB_PAINT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_PAINT_FUNC_IMPLEMENT
}
hb_free (funcs->destroy);
hb_free (funcs->user_data);
hb_free (funcs);
}
/**
* hb_paint_funcs_set_user_data: (skip)
* @funcs: The paint-functions structure
* @key: The user-data key
* @data: A pointer to the user data
* @destroy: (nullable): A callback to call when @data is not needed anymore
* @replace: Whether to replace an existing data with the same key
*
* Attaches a user-data key/data pair to the specified paint-functions structure.
*
* Return value: `true` if success, `false` otherwise
*
* Since: 7.0.0
**/
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)
{
return hb_object_set_user_data (funcs, key, data, destroy, replace);
}
/**
* hb_paint_funcs_get_user_data: (skip)
* @funcs: The paint-functions structure
* @key: The user-data key to query
*
* Fetches the user-data associated with the specified key,
* attached to the specified paint-functions structure.
*
* Return value: (transfer none): A pointer to the user data
*
* Since: 7.0.0
**/
void *
hb_paint_funcs_get_user_data (const hb_paint_funcs_t *funcs,
hb_user_data_key_t *key)
{
return hb_object_get_user_data (funcs, key);
}
/**
* hb_paint_funcs_make_immutable:
* @funcs: The paint-functions structure
*
* Makes a paint-functions structure immutable.
*
* After this call, all attempts to set one of the callbacks
* on @funcs will fail.
*
* Since: 7.0.0
*/
void
hb_paint_funcs_make_immutable (hb_paint_funcs_t *funcs)
{
if (hb_object_is_immutable (funcs))
return;
hb_object_make_immutable (funcs);
}
/**
* hb_paint_funcs_is_immutable:
* @funcs: The paint-functions structure
*
* Tests whether a paint-functions structure is immutable.
*
* Return value: `true` if @funcs is immutable, `false` otherwise
*
* Since: 7.0.0
*/
hb_bool_t
hb_paint_funcs_is_immutable (hb_paint_funcs_t *funcs)
{
return hb_object_is_immutable (funcs);
}
/**
* hb_color_line_get_color_stops:
* @color_line: a #hb_color_line_t object
* @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
*
* Fetches a list of color stops from the given color line object.
*
* Note that due to variations being applied, the returned color stops
* may be out of order. It is the callers responsibility to ensure that
* color stops are sorted by their offset before they are used.
*
* Return value: the total number of color stops in @color_line
*
* Since: 7.0.0
*/
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)
{
return color_line->get_color_stops (color_line,
color_line->data,
start, count,
color_stops,
color_line->get_color_stops_user_data);
}
/**
* hb_color_line_get_extend:
* @color_line: a #hb_color_line_t object
*
* Fetches the extend mode of the color line object.
*
* Return value: the extend mode of @color_line
*
* Since: 7.0.0
*/
hb_paint_extend_t
hb_color_line_get_extend (hb_color_line_t *color_line)
{
return color_line->get_extend (color_line,
color_line->data,
color_line->get_extend_user_data);
}
/**
* hb_paint_push_transform:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @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
*
* Perform a "push-transform" paint operation.
*
* Since: 7.0.0
*/
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)
{
funcs->push_transform (paint_data, xx, yx, xy, yy, dx, dy);
}
/**
* hb_paint_push_font_transform:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @font: a font
*
* Push the transform reflecting the font's scale and slant
* settings onto the paint functions.
*
* Since: 11.0.0
*/
void
hb_paint_push_font_transform (hb_paint_funcs_t *funcs, void *paint_data,
const hb_font_t *font)
{
funcs->push_font_transform (paint_data, font);
}
/**
* hb_paint_push_inverse_font_transform:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @font: a font
*
* Push the inverse of the transform reflecting the font's
* scale and slant settings onto the paint functions.
*
* Since: 11.0.0
*/
void
hb_paint_push_inverse_font_transform (hb_paint_funcs_t *funcs, void *paint_data,
const hb_font_t *font)
{
funcs->push_inverse_font_transform (paint_data, font);
}
/**
* hb_paint_pop_transform:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
*
* Perform a "pop-transform" paint operation.
*
* Since: 7.0.0
*/
void
hb_paint_pop_transform (hb_paint_funcs_t *funcs, void *paint_data)
{
funcs->pop_transform (paint_data);
}
/**
* hb_paint_color_glyph:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @glyph: the glyph ID
* @font: the font
*
* Perform a "color-glyph" paint operation.
*
* Since: 8.2.0
*/
hb_bool_t
hb_paint_color_glyph (hb_paint_funcs_t *funcs, void *paint_data,
hb_codepoint_t glyph,
hb_font_t *font)
{
return funcs->color_glyph (paint_data, glyph, font);
}
/**
* hb_paint_push_clip_glyph:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @glyph: the glyph ID
* @font: the font
*
* Perform a "push-clip-glyph" paint operation.
*
* Since: 7.0.0
*/
void
hb_paint_push_clip_glyph (hb_paint_funcs_t *funcs, void *paint_data,
hb_codepoint_t glyph,
hb_font_t *font)
{
funcs->push_clip_glyph (paint_data, glyph, font);
}
/**
* hb_paint_push_clip_rectangle:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @xmin: min X for the rectangle
* @ymin: min Y for the rectangle
* @xmax: max X for the rectangle
* @ymax: max Y for the rectangle
*
* Perform a "push-clip-rect" paint operation.
*
* Since: 7.0.0
*/
void
hb_paint_push_clip_rectangle (hb_paint_funcs_t *funcs, void *paint_data,
float xmin, float ymin, float xmax, float ymax)
{
funcs->push_clip_rectangle (paint_data, xmin, ymin, xmax, ymax);
}
/**
* hb_paint_pop_clip:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
*
* Perform a "pop-clip" paint operation.
*
* Since: 7.0.0
*/
void
hb_paint_pop_clip (hb_paint_funcs_t *funcs, void *paint_data)
{
funcs->pop_clip (paint_data);
}
/**
* hb_paint_color:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @is_foreground: whether the color is the foreground
* @color: The color to use
*
* Perform a "color" paint operation.
*
* Since: 7.0.0
*/
void
hb_paint_color (hb_paint_funcs_t *funcs, void *paint_data,
hb_bool_t is_foreground,
hb_color_t color)
{
funcs->color (paint_data, is_foreground, color);
}
/**
* hb_paint_image:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @image: 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: Deprecated. set to 0.0
* @extents: (nullable): the extents of the glyph
*
* Perform a "image" paint operation.
*
* Since: 7.0.0
*/
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,
HB_UNUSED float slant,
hb_glyph_extents_t *extents)
{
funcs->image (paint_data, image, width, height, format, 0.f, extents);
}
/**
* hb_paint_linear_gradient:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @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
*
* Perform a "linear-gradient" paint operation.
*
* Since: 7.0.0
*/
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)
{
funcs->linear_gradient (paint_data, color_line, x0, y0, x1, y1, x2, y2);
}
/**
* hb_paint_radial_gradient:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @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
*
* Perform a "radial-gradient" paint operation.
*
* Since: 7.0.0
*/
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)
{
funcs->radial_gradient (paint_data, color_line, x0, y0, r0, x1, y1, r1);
}
/**
* hb_paint_sweep_gradient:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @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
* @end_angle: the end angle
*
* Perform a "sweep-gradient" paint operation.
*
* Since: 7.0.0
*/
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)
{
funcs->sweep_gradient (paint_data, color_line, x0, y0, start_angle, end_angle);
}
/**
* hb_paint_push_group:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
*
* Perform a "push-group" paint operation.
*
* Since: 7.0.0
*/
void
hb_paint_push_group (hb_paint_funcs_t *funcs, void *paint_data)
{
funcs->push_group (paint_data);
}
/**
* hb_paint_pop_group:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @mode: the compositing mode to use
*
* Perform a "pop-group" paint operation.
*
* Since: 7.0.0
*/
void
hb_paint_pop_group (hb_paint_funcs_t *funcs, void *paint_data,
hb_paint_composite_mode_t mode)
{
funcs->pop_group (paint_data, mode);
}
/**
* hb_paint_custom_palette_color:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @color_index: color index
* @color: (out): fetched color
*
* Gets the custom palette color for @color_index.
*
* Return value: `true` if found, `false` otherwise
*
* Since: 7.0.0
*/
hb_bool_t
hb_paint_custom_palette_color (hb_paint_funcs_t *funcs, void *paint_data,
unsigned int color_index,
hb_color_t *color)
{
return funcs->custom_palette_color (paint_data, color_index, color);
}
#endif