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GeezerVison is showing github.com — matplotlib/src/ft2font_wrapper.cpp at master · feisuo/matplotlib Expand file tree/ Copy pathft2font_wrapper.cppMore file actions 1794 lines (1516 loc) · 59.6 KB / Copy pathft2font_wrapper.cppFile metadata and controls1794 lines (1516 loc) · 59.6 KB 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 #include "mplutils.h" #include "ft2font.h" #include "file_compat.h" #include "py_exceptions.h" #include "numpy_cpp.h" // From Python #include <structmember.h> #define STRINGIFY(s) XSTRINGIFY(s) #define XSTRINGIFY(s) #s static PyObject *convert_xys_to_array(std::vector<double> &xys) { npy_intp dims[] = {(npy_intp)xys.size() / 2, 2 }; if (dims[0] > 0) { return PyArray_SimpleNewFromData(2, dims, NPY_DOUBLE, &xys[0]); } else { return PyArray_SimpleNew(2, dims, NPY_DOUBLE); } } /********************************************************************** * FT2Image * */ typedef struct { PyObject_HEAD; FT2Image *x; Py_ssize_t shape[2]; Py_ssize_t strides[2]; Py_ssize_t suboffsets[2]; } PyFT2Image; static PyObject *PyFT2Image_new(PyTypeObject *type, PyObject *args, PyObject *kwds) { PyFT2Image *self; self = (PyFT2Image *)type->tp_alloc(type, 0); self->x = NULL; return (PyObject *)self; } static int PyFT2Image_init(PyFT2Image *self, PyObject *args, PyObject *kwds) { double width; double height; if (!PyArg_ParseTuple(args, "dd:FT2Image", &width, &height)) { return -1; } CALL_CPP_INIT("FT2Image", (self->x = new FT2Image(width, height))); return 0; } static void PyFT2Image_dealloc(PyFT2Image *self) { delete self->x; Py_TYPE(self)->tp_free((PyObject *)self); } const char *PyFT2Image_draw_rect__doc__ = "draw_rect(x0, y0, x1, y1)\n" "\n" "Draw a rect to the image.\n" "\n"; static PyObject *PyFT2Image_draw_rect(PyFT2Image *self, PyObject *args, PyObject *kwds) { double x0, y0, x1, y1; if (!PyArg_ParseTuple(args, "dddd:draw_rect", &x0, &y0, &x1, &y1)) { return NULL; } CALL_CPP("draw_rect", (self->x->draw_rect(x0, y0, x1, y1))); Py_RETURN_NONE; } const char *PyFT2Image_draw_rect_filled__doc__ = "draw_rect_filled(x0, y0, x1, y1)\n" "\n" "Draw a filled rect to the image.\n" "\n"; static PyObject *PyFT2Image_draw_rect_filled(PyFT2Image *self, PyObject *args, PyObject *kwds) { double x0, y0, x1, y1; if (!PyArg_ParseTuple(args, "dddd:draw_rect_filled", &x0, &y0, &x1, &y1)) { return NULL; } CALL_CPP("draw_rect_filled", (self->x->draw_rect_filled(x0, y0, x1, y1))); Py_RETURN_NONE; } const char *PyFT2Image_as_str__doc__ = "s = image.as_str()\n" "\n" "Return the image buffer as a string\n" "\n"; static PyObject *PyFT2Image_as_str(PyFT2Image *self, PyObject *args, PyObject *kwds) { // TODO: Use a buffer to avoid the copy return PyBytes_FromStringAndSize((const char *)self->x->get_buffer(), self->x->get_width() * self->x->get_height()); } const char *PyFT2Image_as_rgba_str__doc__ = "s = image.as_rgba_str()\n" "\n" "Return the image buffer as a RGBA string\n" "\n"; static PyObject *PyFT2Image_as_rgba_str(PyFT2Image *self, PyObject *args, PyObject *kwds) { npy_intp dims[] = {(npy_intp)self->x->get_height(), (npy_intp)self->x->get_width(), 4 }; numpy::array_view<unsigned char, 3> result(dims); unsigned char *src = self->x->get_buffer(); unsigned char *end = src + (self->x->get_width() * self->x->get_height()); unsigned char *dst = result.data(); while (src != end) { *dst++ = 0; *dst++ = 0; *dst++ = 0; *dst++ = *src++; } return result.pyobj(); } const char *PyFT2Image_as_array__doc__ = "x = image.as_array()\n" "\n" "Return the image buffer as a width x height numpy array of ubyte \n" "\n"; static PyObject *PyFT2Image_as_array(PyFT2Image *self, PyObject *args, PyObject *kwds) { npy_intp dims[] = {(npy_intp)self->x->get_height(), (npy_intp)self->x->get_width() }; return PyArray_SimpleNewFromData(2, dims, NPY_UBYTE, self->x->get_buffer()); } static PyObject *PyFT2Image_get_width(PyFT2Image *self, PyObject *args, PyObject *kwds) { return PyLong_FromLong(self->x->get_width()); } static PyObject *PyFT2Image_get_height(PyFT2Image *self, PyObject *args, PyObject *kwds) { return PyLong_FromLong(self->x->get_height()); } static int PyFT2Image_get_buffer(PyFT2Image *self, Py_buffer *buf, int flags) { FT2Image *im = self->x; Py_INCREF(self); buf->obj = (PyObject *)self; buf->buf = im->get_buffer(); buf->len = im->get_width() * im->get_height(); buf->readonly = 0; buf->format = (char *)"B"; buf->ndim = 2; self->shape[0] = im->get_height(); self->shape[1] = im->get_width(); buf->shape = self->shape; self->strides[0] = im->get_width(); self->strides[1] = 1; buf->strides = self->strides; buf->suboffsets = NULL; buf->itemsize = 1; buf->internal = NULL; return 1; } static PyTypeObject PyFT2ImageType; static PyTypeObject *PyFT2Image_init_type(PyObject *m, PyTypeObject *type) { static PyMethodDef methods[] = { {"draw_rect", (PyCFunction)PyFT2Image_draw_rect, METH_VARARGS, PyFT2Image_draw_rect__doc__}, {"draw_rect_filled", (PyCFunction)PyFT2Image_draw_rect_filled, METH_VARARGS, PyFT2Image_draw_rect_filled__doc__}, {"as_str", (PyCFunction)PyFT2Image_as_str, METH_NOARGS, PyFT2Image_as_str__doc__}, {"as_rgba_str", (PyCFunction)PyFT2Image_as_rgba_str, METH_NOARGS, PyFT2Image_as_rgba_str__doc__}, {"as_array", (PyCFunction)PyFT2Image_as_array, METH_NOARGS, PyFT2Image_as_array__doc__}, {"get_width", (PyCFunction)PyFT2Image_get_width, METH_NOARGS, NULL}, {"get_height", (PyCFunction)PyFT2Image_get_height, METH_NOARGS, NULL}, {NULL} }; static PyBufferProcs buffer_procs; memset(&buffer_procs, 0, sizeof(PyBufferProcs)); buffer_procs.bf_getbuffer = (getbufferproc)PyFT2Image_get_buffer; memset(type, 0, sizeof(PyTypeObject)); type->tp_name = "matplotlib.ft2font.FT2Image"; type->tp_basicsize = sizeof(PyFT2Image); type->tp_dealloc = (destructor)PyFT2Image_dealloc; type->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_NEWBUFFER; type->tp_methods = methods; type->tp_new = PyFT2Image_new; type->tp_init = (initproc)PyFT2Image_init; type->tp_as_buffer = &buffer_procs; if (PyType_Ready(type) < 0) { return NULL; } if (PyModule_AddObject(m, "FT2Image", (PyObject *)type)) { return NULL; } return type; } /********************************************************************** * Glyph * */ typedef struct { PyObject_HEAD; size_t glyphInd; long width; long height; long horiBearingX; long horiBearingY; long horiAdvance; long linearHoriAdvance; long vertBearingX; long vertBearingY; long vertAdvance; FT_BBox bbox; } PyGlyph; static PyTypeObject PyGlyphType; static PyObject * PyGlyph_new(const FT_Face &face, const FT_Glyph &glyph, size_t ind, long hinting_factor) { PyGlyph *self; self = (PyGlyph *)PyGlyphType.tp_alloc(&PyGlyphType, 0); self->glyphInd = ind; FT_Glyph_Get_CBox(glyph, ft_glyph_bbox_subpixels, &self->bbox); self->width = face->glyph->metrics.width / hinting_factor; self->height = face->glyph->metrics.height; self->horiBearingX = face->glyph->metrics.horiBearingX / hinting_factor; self->horiBearingY = face->glyph->metrics.horiBearingY; self->horiAdvance = face->glyph->metrics.horiAdvance; self->linearHoriAdvance = face->glyph->linearHoriAdvance / hinting_factor; self->vertBearingX = face->glyph->metrics.vertBearingX; self->vertBearingY = face->glyph->metrics.vertBearingY; self->vertAdvance = face->glyph->metrics.vertAdvance; return (PyObject *)self; } static void PyGlyph_dealloc(PyGlyph *self) { Py_TYPE(self)->tp_free((PyObject *)self); } static PyObject *PyGlyph_get_bbox(PyGlyph *self, void *closure) { return Py_BuildValue( "iiii", self->bbox.xMin, self->bbox.yMin, self->bbox.xMax, self->bbox.yMax); } static PyTypeObject *PyGlyph_init_type(PyObject *m, PyTypeObject *type) { static PyMemberDef members[] = { {(char *)"width", T_INT, offsetof(PyGlyph, width), READONLY, (char *)""}, {(char *)"height", T_INT, offsetof(PyGlyph, height), READONLY, (char *)""}, {(char *)"horiBearingX", T_INT, offsetof(PyGlyph, horiBearingX), READONLY, (char *)""}, {(char *)"horiBearingY", T_INT, offsetof(PyGlyph, horiBearingY), READONLY, (char *)""}, {(char *)"horiAdvance", T_INT, offsetof(PyGlyph, horiAdvance), READONLY, (char *)""}, {(char *)"linearHoriAdvance", T_INT, offsetof(PyGlyph, linearHoriAdvance), READONLY, (char *)""}, {(char *)"vertBearingX", T_INT, offsetof(PyGlyph, vertBearingX), READONLY, (char *)""}, {(char *)"vertBearingY", T_INT, offsetof(PyGlyph, vertBearingY), READONLY, (char *)""}, {(char *)"vertAdvance", T_INT, offsetof(PyGlyph, vertAdvance), READONLY, (char *)""}, {NULL} }; static PyGetSetDef getset[] = { {(char *)"bbox", (getter)PyGlyph_get_bbox, NULL, NULL, NULL}, {NULL} }; memset(type, 0, sizeof(PyTypeObject)); type->tp_name = "matplotlib.ft2font.Glyph"; type->tp_basicsize = sizeof(PyGlyph); type->tp_dealloc = (destructor)PyGlyph_dealloc; type->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE; type->tp_members = members; type->tp_getset = getset; if (PyType_Ready(type) < 0) { return NULL; } /* Don't need to add to module, since you can't create glyphs directly from Python */ return type; } /********************************************************************** * FT2Font * */ typedef struct { PyObject_HEAD FT2Font *x; PyObject *fname; PyObject *py_file; FILE *fp; int close_file; mpl_off_t offset; FT_StreamRec stream; FT_Byte *mem; size_t mem_size; Py_ssize_t shape[2]; Py_ssize_t strides[2]; Py_ssize_t suboffsets[2]; } PyFT2Font; static unsigned long read_from_file_callback(FT_Stream stream, unsigned long offset, unsigned char *buffer, unsigned long count) { PyFT2Font *def = (PyFT2Font *)stream->descriptor.pointer; if (fseek(def->fp, offset, SEEK_SET) == -1) { return 0; } if (count > 0) { return fread(buffer, 1, count, def->fp); } return 0; } static void close_file_callback(FT_Stream stream) { PyFT2Font *def = (PyFT2Font *)stream->descriptor.pointer; if (mpl_PyFile_DupClose(def->py_file, def->fp, def->offset)) { throw "Couldn't close file"; } if (def->close_file) { mpl_PyFile_CloseFile(def->py_file); } Py_DECREF(def->py_file); def->py_file = NULL; } static int convert_open_args(PyFT2Font *self, PyObject *py_file_arg, FT_Open_Args *open_args) { PyObject *py_file = NULL; int close_file = 0; FILE *fp; PyObject *data = NULL; char *data_ptr; Py_ssize_t data_len; long file_size; FT_Byte *new_memory; mpl_off_t offset = 0; int result = 0; memset((void *)open_args, 0, sizeof(FT_Open_Args)); if (PyBytes_Check(py_file_arg) || PyUnicode_Check(py_file_arg)) { if ((py_file = mpl_PyFile_OpenFile(py_file_arg, (char *)"rb")) == NULL) { goto exit; } close_file = 1; } else { Py_INCREF(py_file_arg); py_file = py_file_arg; } if ((fp = mpl_PyFile_Dup(py_file, (char *)"rb", &offset))) { Py_INCREF(py_file); self->py_file = py_file; self->close_file = close_file; self->fp = fp; self->offset = offset; fseek(fp, 0, SEEK_END); file_size = ftell(fp); fseek(fp, 0, SEEK_SET); self->stream.base = NULL; self->stream.size = (unsigned long)file_size; self->stream.pos = 0; self->stream.descriptor.pointer = self; self->stream.read = &read_from_file_callback; self->stream.close = &close_file_callback; open_args->flags = FT_OPEN_STREAM; open_args->stream = &self->stream; } else { if (PyObject_HasAttrString(py_file_arg, "read") && (data = PyObject_CallMethod(py_file_arg, (char *)"read", (char *)""))) { if (PyBytes_AsStringAndSize(data, &data_ptr, &data_len)) { goto exit; } if (self->mem) { free(self->mem); } self->mem = (FT_Byte *)malloc((self->mem_size + data_len) * sizeof(FT_Byte)); if (self->mem == NULL) { goto exit; } new_memory = self->mem + self->mem_size; self->mem_size += data_len; memcpy(new_memory, data_ptr, data_len); open_args->flags = FT_OPEN_MEMORY; open_args->memory_base = new_memory; open_args->memory_size = data_len; open_args->stream = NULL; } else { PyErr_SetString(PyExc_TypeError, "First argument must be a path or file object reading bytes"); goto exit; } } result = 1; exit: Py_XDECREF(py_file); Py_XDECREF(data); return result; } static PyTypeObject PyFT2FontType; static PyObject *PyFT2Font_new(PyTypeObject *type, PyObject *args, PyObject *kwds) { PyFT2Font *self; self = (PyFT2Font *)type->tp_alloc(type, 0); self->x = NULL; self->fname = NULL; self->py_file = NULL; self->fp = NULL; self->close_file = 0; self->offset = 0; memset(&self->stream, 0, sizeof(FT_StreamRec)); self->mem = 0; self->mem_size = 0; return (PyObject *)self; } const char *PyFT2Font_init__doc__ = "FT2Font(ttffile)\n" "\n" "Create a new FT2Font object\n" "The following global font attributes are defined:\n" " num_faces number of faces in file\n" " face_flags face flags (int type); see the ft2font constants\n" " style_flags style flags (int type); see the ft2font constants\n" " num_glyphs number of glyphs in the face\n" " family_name face family name\n" " style_name face syle name\n" " num_fixed_sizes number of bitmap in the face\n" " scalable face is scalable\n" "\n" "The following are available, if scalable is true:\n" " bbox face global bounding box (xmin, ymin, xmax, ymax)\n" " units_per_EM number of font units covered by the EM\n" " ascender ascender in 26.6 units\n" " descender descender in 26.6 units\n" " height height in 26.6 units; used to compute a default\n" " line spacing (baseline-to-baseline distance)\n" " max_advance_width maximum horizontal cursor advance for all glyphs\n" " max_advance_height same for vertical layout\n" " underline_position vertical position of the underline bar\n" " underline_thickness vertical thickness of the underline\n" " postscript_name PostScript name of the font\n"; static void PyFT2Font_fail(PyFT2Font *self) { free(self->mem); self->mem = NULL; Py_XDECREF(self->py_file); self->py_file = NULL; } static int PyFT2Font_init(PyFT2Font *self, PyObject *args, PyObject *kwds) { PyObject *fname; FT_Open_Args open_args; long hinting_factor = 8; const char *names[] = { "filename", "hinting_factor", NULL }; if (!PyArg_ParseTupleAndKeywords( args, kwds, "O|l:FT2Font", (char **)names, &fname, &hinting_factor)) { return -1; } if (!convert_open_args(self, fname, &open_args)) { return -1; } CALL_CPP_FULL( "FT2Font", (self->x = new FT2Font(open_args, hinting_factor)), PyFT2Font_fail(self), -1); Py_INCREF(fname); self->fname = fname; return 0; } static void PyFT2Font_dealloc(PyFT2Font *self) { delete self->x; free(self->mem); Py_XDECREF(self->py_file); Py_XDECREF(self->fname); Py_TYPE(self)->tp_free((PyObject *)self); } const char *PyFT2Font_clear__doc__ = "clear()\n" "\n" "Clear all the glyphs, reset for a new set_text"; static PyObject *PyFT2Font_clear(PyFT2Font *self, PyObject *args, PyObject *kwds) { CALL_CPP("clear", (self->x->clear())); Py_RETURN_NONE; } const char *PyFT2Font_set_size__doc__ = "set_size(ptsize, dpi)\n" "\n" "Set the point size and dpi of the text.\n"; static PyObject *PyFT2Font_set_size(PyFT2Font *self, PyObject *args, PyObject *kwds) { double ptsize; double dpi; if (!PyArg_ParseTuple(args, "dd:set_size", &ptsize, &dpi)) { return NULL; } CALL_CPP("set_size", (self->x->set_size(ptsize, dpi))); Py_RETURN_NONE; } const char *PyFT2Font_set_charmap__doc__ = "set_charmap(i)\n" "\n" "Make the i-th charmap current\n"; static PyObject *PyFT2Font_set_charmap(PyFT2Font *self, PyObject *args, PyObject *kwds) { int i; if (!PyArg_ParseTuple(args, "i:set_charmap", &i)) { return NULL; } CALL_CPP("set_charmap", (self->x->set_charmap(i))); Py_RETURN_NONE; } const char *PyFT2Font_select_charmap__doc__ = "select_charmap(i)\n" "\n" "select charmap i where i is one of the FT_Encoding number\n"; static PyObject *PyFT2Font_select_charmap(PyFT2Font *self, PyObject *args, PyObject *kwds) { unsigned long i; if (!PyArg_ParseTuple(args, "k:select_charmap", &i)) { return NULL; } CALL_CPP("select_charmap", self->x->select_charmap(i)); Py_RETURN_NONE; } const char *PyFT2Font_get_kerning__doc__ = "dx = get_kerning(left, right, mode)\n" "\n" "Get the kerning between left char and right glyph indices\n" "mode is a kerning mode constant\n" " KERNING_DEFAULT - Return scaled and grid-fitted kerning distances\n" " KERNING_UNFITTED - Return scaled but un-grid-fitted kerning distances\n" " KERNING_UNSCALED - Return the kerning vector in original font units\n"; static PyObject *PyFT2Font_get_kerning(PyFT2Font *self, PyObject *args, PyObject *kwds) { int left, right, mode, result; if (!PyArg_ParseTuple(args, "iii:get_kerning", &left, &right, &mode)) { return NULL; } CALL_CPP("get_kerning", (result = self->x->get_kerning(left, right, mode))); return PyLong_FromLong(result); } const char *PyFT2Font_set_text__doc__ = "set_text(s, angle)\n" "\n" "Set the text string and angle.\n" "You must call this before draw_glyphs_to_bitmap\n" "A sequence of x,y positions is returned"; static PyObject *PyFT2Font_set_text(PyFT2Font *self, PyObject *args, PyObject *kwds) { PyObject *textobj; double angle = 0.0; FT_UInt32 flags = FT_LOAD_FORCE_AUTOHINT; std::vector<double> xys; const char *names[] = { "string", "angle", "flags", NULL }; if (!PyArg_ParseTupleAndKeywords( args, kwds, "O|dI:set_text", (char **)names, &textobj, &angle, &flags)) { return NULL; } std::vector<uint32_t> codepoints; size_t size; if (PyUnicode_Check(textobj)) { size = PyUnicode_GET_SIZE(textobj); codepoints.resize(size); Py_UNICODE *unistr = PyUnicode_AsUnicode(textobj); for (size_t i = 0; i < size; ++i) { codepoints[i] = unistr[i]; } } else if (PyBytes_Check(textobj)) { size = PyBytes_Size(textobj); codepoints.resize(size); char *bytestr = PyBytes_AsString(textobj); for (size_t i = 0; i < size; ++i) { codepoints[i] = bytestr[i]; } } else { PyErr_SetString(PyExc_TypeError, "String must be unicode or bytes"); return NULL; } uint32_t* codepoints_array = NULL; if (size > 0) { codepoints_array = &codepoints[0]; } CALL_CPP("set_text", self->x->set_text(size, codepoints_array, angle, flags, xys)); return convert_xys_to_array(xys); } const char *PyFT2Font_get_num_glyphs__doc__ = "get_num_glyphs()\n" "\n" "Return the number of loaded glyphs\n"; static PyObject *PyFT2Font_get_num_glyphs(PyFT2Font *self, PyObject *args, PyObject *kwds) { return PyLong_FromLong(self->x->get_num_glyphs()); } const char *PyFT2Font_load_char__doc__ = "load_char(charcode, flags=LOAD_FORCE_AUTOHINT)\n" "\n" "Load character with charcode in current fontfile and set glyph.\n" "The flags argument can be a bitwise-or of the LOAD_XXX constants.\n" "Return value is a Glyph object, with attributes\n" " width # glyph width\n" " height # glyph height\n" " bbox # the glyph bbox (xmin, ymin, xmax, ymax)\n" " horiBearingX # left side bearing in horizontal layouts\n" " horiBearingY # top side bearing in horizontal layouts\n" " horiAdvance # advance width for horizontal layout\n" " vertBearingX # left side bearing in vertical layouts\n" " vertBearingY # top side bearing in vertical layouts\n" " vertAdvance # advance height for vertical layout\n"; static PyObject *PyFT2Font_load_char(PyFT2Font *self, PyObject *args, PyObject *kwds) { long charcode; FT_UInt32 flags = FT_LOAD_FORCE_AUTOHINT; const char *names[] = { "charcode", "flags", NULL }; if (!PyArg_ParseTupleAndKeywords( args, kwds, "k|I:load_char", (char **)names, &charcode, &flags)) { return NULL; } CALL_CPP("load_char", (self->x->load_char(charcode, flags))); return PyGlyph_new(self->x->get_face(), self->x->get_last_glyph(), self->x->get_last_glyph_index(), self->x->get_hinting_factor()); } const char *PyFT2Font_load_glyph__doc__ = "load_glyph(glyphindex, flags=LOAD_FORCE_AUTOHINT)\n" "\n" "Load character with glyphindex in current fontfile and set glyph.\n" "The flags argument can be a bitwise-or of the LOAD_XXX constants.\n" "Return value is a Glyph object, with attributes\n" " width # glyph width\n" " height # glyph height\n" " bbox # the glyph bbox (xmin, ymin, xmax, ymax)\n" " horiBearingX # left side bearing in horizontal layouts\n" " horiBearingY # top side bearing in horizontal layouts\n" " horiAdvance # advance width for horizontal layout\n" " vertBearingX # left side bearing in vertical layouts\n" " vertBearingY # top side bearing in vertical layouts\n" " vertAdvance # advance height for vertical layout\n"; static PyObject *PyFT2Font_load_glyph(PyFT2Font *self, PyObject *args, PyObject *kwds) { FT_UInt glyph_index; FT_UInt32 flags = FT_LOAD_FORCE_AUTOHINT; const char *names[] = { "glyph_index", "flags", NULL }; if (!PyArg_ParseTupleAndKeywords( args, kwds, "I|I:load_glyph", (char **)names, &glyph_index, &flags)) { return NULL; } CALL_CPP("load_glyph", (self->x->load_glyph(glyph_index, flags))); return PyGlyph_new(self->x->get_face(), self->x->get_last_glyph(), self->x->get_last_glyph_index(), self->x->get_hinting_factor()); } const char *PyFT2Font_get_width_height__doc__ = "w, h = get_width_height()\n" "\n" "Get the width and height in 26.6 subpixels of the current string set by set_text\n" "The rotation of the string is accounted for. To get width and height\n" "in pixels, divide these values by 64\n"; static PyObject *PyFT2Font_get_width_height(PyFT2Font *self, PyObject *args, PyObject *kwds) { long width, height; CALL_CPP("get_width_height", (self->x->get_width_height(&width, &height))); return Py_BuildValue("ll", width, height); } const char *PyFT2Font_get_bitmap_offset__doc__ = "x, y = get_bitmap_offset()\n" "\n" "Get the offset in 26.6 subpixels for the bitmap if ink hangs left or below (0, 0).\n" "Since matplotlib only supports left-to-right text, y is always 0.\n"; static PyObject *PyFT2Font_get_bitmap_offset(PyFT2Font *self, PyObject *args, PyObject *kwds) { long x, y; CALL_CPP("get_bitmap_offset", (self->x->get_bitmap_offset(&x, &y))); return Py_BuildValue("ll", x, y); } const char *PyFT2Font_get_descent__doc__ = "d = get_descent()\n" "\n" "Get the descent of the current string set by set_text in 26.6 subpixels.\n" "The rotation of the string is accounted for. To get the descent\n" "in pixels, divide this value by 64.\n"; static PyObject *PyFT2Font_get_descent(PyFT2Font *self, PyObject *args, PyObject *kwds) { long descent; CALL_CPP("get_descent", (descent = self->x->get_descent())); return PyLong_FromLong(descent); } const char *PyFT2Font_draw_glyphs_to_bitmap__doc__ = "draw_glyphs_to_bitmap()\n" "\n" "Draw the glyphs that were loaded by set_text to the bitmap\n" "The bitmap size will be automatically set to include the glyphs\n"; static PyObject *PyFT2Font_draw_glyphs_to_bitmap(PyFT2Font *self, PyObject *args, PyObject *kwds) { int antialiased = 1; const char *names[] = { "antialiased", NULL }; if (!PyArg_ParseTupleAndKeywords( args, kwds, "|i:draw_glyphs_to_bitmap", (char **)names, &antialiased)) { return NULL; } CALL_CPP("draw_glyphs_to_bitmap", (self->x->draw_glyphs_to_bitmap(antialiased))); Py_RETURN_NONE; } const char *PyFT2Font_get_xys__doc__ = "get_xys()\n" "\n" "Get the xy locations of the current glyphs\n"; static PyObject *PyFT2Font_get_xys(PyFT2Font *self, PyObject *args, PyObject *kwds) { int antialiased = 1; std::vector<double> xys; const char *names[] = { "antialiased", NULL }; if (!PyArg_ParseTupleAndKeywords(args, kwds, "|i:get_xys", (char **)names, &antialiased)) { return NULL; } CALL_CPP("get_xys", (self->x->get_xys(antialiased, xys))); return convert_xys_to_array(xys); } const char *PyFT2Font_draw_glyph_to_bitmap__doc__ = "draw_glyph_to_bitmap(bitmap, x, y, glyph)\n" "\n" "Draw a single glyph to the bitmap at pixel locations x,y\n" "Note it is your responsibility to set up the bitmap manually\n" "with set_bitmap_size(w,h) before this call is made.\n" "\n" "If you want automatic layout, use set_text in combinations with\n" "draw_glyphs_to_bitmap. This function is intended for people who\n" "want to render individual glyphs at precise locations, eg, a\n" "a glyph returned by load_char\n"; static PyObject *PyFT2Font_draw_glyph_to_bitmap(PyFT2Font *self, PyObject *args, PyObject *kwds) { PyFT2Image *image; double xd, yd; PyGlyph *glyph; int antialiased = 1; const char *names[] = { "image", "x", "y", "glyph", "antialiased", NULL }; if (!PyArg_ParseTupleAndKeywords(args, kwds, "O!ddO!|i:draw_glyph_to_bitmap", (char **)names, &PyFT2ImageType, &image, &xd, &yd, &PyGlyphType, &glyph, &antialiased)) { return NULL; } CALL_CPP("draw_glyph_to_bitmap", self->x->draw_glyph_to_bitmap(*(image->x), xd, yd, glyph->glyphInd, antialiased)); Py_RETURN_NONE; } const char *PyFT2Font_get_glyph_name__doc__ = "get_glyph_name(index)\n" "\n" "Retrieves the ASCII name of a given glyph in a face.\n"; static PyObject *PyFT2Font_get_glyph_name(PyFT2Font *self, PyObject *args, PyObject *kwds) { unsigned int glyph_number; char buffer[128]; if (!PyArg_ParseTuple(args, "i:get_glyph_name", &glyph_number)) { return NULL; } CALL_CPP("get_glyph_name", (self->x->get_glyph_name(glyph_number, buffer))); return PyUnicode_FromString(buffer); } const char *PyFT2Font_get_charmap__doc__ = "get_charmap()\n" "\n" "Returns a dictionary that maps the character codes of the selected charmap\n" "(Unicode by default) to their corresponding glyph indices.\n"; static PyObject *PyFT2Font_get_charmap(PyFT2Font *self, PyObject *args, PyObject *kwds) { PyObject *charmap; charmap = PyDict_New(); if (charmap == NULL) { return NULL; } FT_UInt index; FT_ULong code = FT_Get_First_Char(self->x->get_face(), &index); while (index != 0) { PyObject *key; PyObject *val; key = PyLong_FromLong(code); if (key == NULL) { Py_DECREF(charmap); return NULL; } val = PyLong_FromLong(index); if (val == NULL) { Py_DECREF(key); Py_DECREF(charmap); return NULL; } if (PyDict_SetItem(charmap, key, val)) { Py_DECREF(key); Py_DECREF(val); Py_DECREF(charmap); return NULL; } Py_DECREF(key); Py_DECREF(val); code = FT_Get_Next_Char(self->x->get_face(), code, &index); } return charmap; } const char *PyFT2Font_get_char_index__doc__ = "get_char_index()\n" "\n" "Given a character code, returns a glyph index.\n"; static PyObject *PyFT2Font_get_char_index(PyFT2Font *self, PyObject *args, PyObject *kwds) { FT_UInt index; FT_ULong ccode; if (!PyArg_ParseTuple(args, "I:get_char_index", &ccode)) { return NULL; } index = FT_Get_Char_Index(self->x->get_face(), ccode); return PyLong_FromLong(index); } const char *PyFT2Font_get_sfnt__doc__ = "get_sfnt(name)\n" "\n" "Get all values from the SFNT names table. Result is a dictionary whose" "key is the platform-ID, ISO-encoding-scheme, language-code, and" "description.\n"; static PyObject *PyFT2Font_get_sfnt(PyFT2Font *self, PyObject *args, PyObject *kwds) { PyObject *names; if (!(self->x->get_face()->face_flags & FT_FACE_FLAG_SFNT)) { PyErr_SetString(PyExc_ValueError, "No SFNT name table"); return NULL; } size_t count = FT_Get_Sfnt_Name_Count(self->x->get_face()); |
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