diff options
| -rw-r--r-- | thirdparty/README.md | 4 | ||||
| -rw-r--r-- | thirdparty/misc/stb_truetype.h | 87 | ||||
| -rw-r--r-- | thirdparty/misc/stb_vorbis.c | 31 |
3 files changed, 84 insertions, 38 deletions
diff --git a/thirdparty/README.md b/thirdparty/README.md index 7e9a062096..d2e5ba94e1 100644 --- a/thirdparty/README.md +++ b/thirdparty/README.md @@ -396,11 +396,11 @@ Collection of single-file libraries used in Godot components. * License: zlib - `stb_truetype.h` * Upstream: https://github.com/nothings/stb - * Version: 1.19 + * Version: 1.21 * License: Public Domain (Unlicense) or MIT - `stb_vorbis.c` * Upstream: https://github.com/nothings/stb - * Version: 1.14 + * Version: 1.15 * License: Public Domain (Unlicense) or MIT diff --git a/thirdparty/misc/stb_truetype.h b/thirdparty/misc/stb_truetype.h index e2efae2285..72299ea86d 100644 --- a/thirdparty/misc/stb_truetype.h +++ b/thirdparty/misc/stb_truetype.h @@ -1,4 +1,4 @@ -// stb_truetype.h - v1.19 - public domain +// stb_truetype.h - v1.21 - public domain // authored from 2009-2016 by Sean Barrett / RAD Game Tools // // This library processes TrueType files: @@ -49,6 +49,8 @@ // // VERSION HISTORY // +// 1.21 (2019-02-25) fix warning +// 1.20 (2019-02-07) PackFontRange skips missing codepoints; GetScaleFontVMetrics() // 1.19 (2018-02-11) GPOS kerning, STBTT_fmod // 1.18 (2018-01-29) add missing function // 1.17 (2017-07-23) make more arguments const; doc fix @@ -75,7 +77,7 @@ // // USAGE // -// Include this file in whatever places neeed to refer to it. In ONE C/C++ +// Include this file in whatever places need to refer to it. In ONE C/C++ // file, write: // #define STB_TRUETYPE_IMPLEMENTATION // before the #include of this file. This expands out the actual @@ -242,19 +244,6 @@ // recommend it. // // -// SOURCE STATISTICS (based on v0.6c, 2050 LOC) -// -// Documentation & header file 520 LOC \___ 660 LOC documentation -// Sample code 140 LOC / -// Truetype parsing 620 LOC ---- 620 LOC TrueType -// Software rasterization 240 LOC \ . -// Curve tesselation 120 LOC \__ 550 LOC Bitmap creation -// Bitmap management 100 LOC / -// Baked bitmap interface 70 LOC / -// Font name matching & access 150 LOC ---- 150 -// C runtime library abstraction 60 LOC ---- 60 -// -// // PERFORMANCE MEASUREMENTS FOR 1.06: // // 32-bit 64-bit @@ -556,6 +545,8 @@ STBTT_DEF void stbtt_GetBakedQuad(const stbtt_bakedchar *chardata, int pw, int p // // It's inefficient; you might want to c&p it and optimize it. +STBTT_DEF void stbtt_GetScaledFontVMetrics(const unsigned char *fontdata, int index, float size, float *ascent, float *descent, float *lineGap); +// Query the font vertical metrics without having to create a font first. ////////////////////////////////////////////////////////////////////////////// @@ -641,6 +632,12 @@ STBTT_DEF void stbtt_PackSetOversampling(stbtt_pack_context *spc, unsigned int h // To use with PackFontRangesGather etc., you must set it before calls // call to PackFontRangesGatherRects. +STBTT_DEF void stbtt_PackSetSkipMissingCodepoints(stbtt_pack_context *spc, int skip); +// If skip != 0, this tells stb_truetype to skip any codepoints for which +// there is no corresponding glyph. If skip=0, which is the default, then +// codepoints without a glyph recived the font's "missing character" glyph, +// typically an empty box by convention. + STBTT_DEF void stbtt_GetPackedQuad(const stbtt_packedchar *chardata, int pw, int ph, // same data as above int char_index, // character to display float *xpos, float *ypos, // pointers to current position in screen pixel space @@ -669,6 +666,7 @@ struct stbtt_pack_context { int height; int stride_in_bytes; int padding; + int skip_missing; unsigned int h_oversample, v_oversample; unsigned char *pixels; void *nodes; @@ -694,7 +692,7 @@ STBTT_DEF int stbtt_GetFontOffsetForIndex(const unsigned char *data, int index); // file will only define one font and it always be at offset 0, so it will // return '0' for index 0, and -1 for all other indices. -// The following structure is defined publically so you can declare one on +// The following structure is defined publicly so you can declare one on // the stack or as a global or etc, but you should treat it as opaque. struct stbtt_fontinfo { @@ -733,6 +731,7 @@ STBTT_DEF int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codep // and you want a speed-up, call this function with the character you're // going to process, then use glyph-based functions instead of the // codepoint-based functions. +// Returns 0 if the character codepoint is not defined in the font. ////////////////////////////////////////////////////////////////////////////// @@ -820,7 +819,7 @@ STBTT_DEF int stbtt_GetGlyphShape(const stbtt_fontinfo *info, int glyph_index, s // returns # of vertices and fills *vertices with the pointer to them // these are expressed in "unscaled" coordinates // -// The shape is a series of countours. Each one starts with +// The shape is a series of contours. Each one starts with // a STBTT_moveto, then consists of a series of mixed // STBTT_lineto and STBTT_curveto segments. A lineto // draws a line from previous endpoint to its x,y; a curveto @@ -916,7 +915,7 @@ STBTT_DEF unsigned char * stbtt_GetGlyphSDF(const stbtt_fontinfo *info, float sc STBTT_DEF unsigned char * stbtt_GetCodepointSDF(const stbtt_fontinfo *info, float scale, int codepoint, int padding, unsigned char onedge_value, float pixel_dist_scale, int *width, int *height, int *xoff, int *yoff); // These functions compute a discretized SDF field for a single character, suitable for storing // in a single-channel texture, sampling with bilinear filtering, and testing against -// larger than some threshhold to produce scalable fonts. +// larger than some threshold to produce scalable fonts. // info -- the font // scale -- controls the size of the resulting SDF bitmap, same as it would be creating a regular bitmap // glyph/codepoint -- the character to generate the SDF for @@ -2463,6 +2462,7 @@ static stbtt_int32 stbtt__GetGlyphGPOSInfoAdvance(const stbtt_fontinfo *info, i if (valueFormat2 != 0) return 0; STBTT_assert(coverageIndex < pairSetCount); + STBTT__NOTUSED(pairSetCount); needle=glyph2; r=pairValueCount-1; @@ -3160,7 +3160,13 @@ static void stbtt__rasterize_sorted_edges(stbtt__bitmap *result, stbtt__edge *e, if (e->y0 != e->y1) { stbtt__active_edge *z = stbtt__new_active(&hh, e, off_x, scan_y_top, userdata); if (z != NULL) { - STBTT_assert(z->ey >= scan_y_top); + if (j == 0 && off_y != 0) { + if (z->ey < scan_y_top) { + // this can happen due to subpixel positioning and some kind of fp rounding error i think + z->ey = scan_y_top; + } + } + STBTT_assert(z->ey >= scan_y_top); // if we get really unlucky a tiny bit of an edge can be out of bounds // insert at front z->next = active; active = z; @@ -3229,7 +3235,7 @@ static void stbtt__sort_edges_ins_sort(stbtt__edge *p, int n) static void stbtt__sort_edges_quicksort(stbtt__edge *p, int n) { - /* threshhold for transitioning to insertion sort */ + /* threshold for transitioning to insertion sort */ while (n > 12) { stbtt__edge t; int c01,c12,c,m,i,j; @@ -3364,7 +3370,7 @@ static void stbtt__add_point(stbtt__point *points, int n, float x, float y) points[n].y = y; } -// tesselate until threshhold p is happy... @TODO warped to compensate for non-linear stretching +// tessellate until threshold p is happy... @TODO warped to compensate for non-linear stretching static int stbtt__tesselate_curve(stbtt__point *points, int *num_points, float x0, float y0, float x1, float y1, float x2, float y2, float objspace_flatness_squared, int n) { // midpoint @@ -3789,6 +3795,7 @@ STBTT_DEF int stbtt_PackBegin(stbtt_pack_context *spc, unsigned char *pixels, in spc->stride_in_bytes = stride_in_bytes != 0 ? stride_in_bytes : pw; spc->h_oversample = 1; spc->v_oversample = 1; + spc->skip_missing = 0; stbrp_init_target(context, pw-padding, ph-padding, nodes, num_nodes); @@ -3814,6 +3821,11 @@ STBTT_DEF void stbtt_PackSetOversampling(stbtt_pack_context *spc, unsigned int h spc->v_oversample = v_oversample; } +STBTT_DEF void stbtt_PackSetSkipMissingCodepoints(stbtt_pack_context *spc, int skip) +{ + spc->skip_missing = skip; +} + #define STBTT__OVER_MASK (STBTT_MAX_OVERSAMPLE-1) static void stbtt__h_prefilter(unsigned char *pixels, int w, int h, int stride_in_bytes, unsigned int kernel_width) @@ -3967,13 +3979,17 @@ STBTT_DEF int stbtt_PackFontRangesGatherRects(stbtt_pack_context *spc, const stb int x0,y0,x1,y1; int codepoint = ranges[i].array_of_unicode_codepoints == NULL ? ranges[i].first_unicode_codepoint_in_range + j : ranges[i].array_of_unicode_codepoints[j]; int glyph = stbtt_FindGlyphIndex(info, codepoint); - stbtt_GetGlyphBitmapBoxSubpixel(info,glyph, - scale * spc->h_oversample, - scale * spc->v_oversample, - 0,0, - &x0,&y0,&x1,&y1); - rects[k].w = (stbrp_coord) (x1-x0 + spc->padding + spc->h_oversample-1); - rects[k].h = (stbrp_coord) (y1-y0 + spc->padding + spc->v_oversample-1); + if (glyph == 0 && spc->skip_missing) { + rects[k].w = rects[k].h = 0; + } else { + stbtt_GetGlyphBitmapBoxSubpixel(info,glyph, + scale * spc->h_oversample, + scale * spc->v_oversample, + 0,0, + &x0,&y0,&x1,&y1); + rects[k].w = (stbrp_coord) (x1-x0 + spc->padding + spc->h_oversample-1); + rects[k].h = (stbrp_coord) (y1-y0 + spc->padding + spc->v_oversample-1); + } ++k; } } @@ -4026,7 +4042,7 @@ STBTT_DEF int stbtt_PackFontRangesRenderIntoRects(stbtt_pack_context *spc, const sub_y = stbtt__oversample_shift(spc->v_oversample); for (j=0; j < ranges[i].num_chars; ++j) { stbrp_rect *r = &rects[k]; - if (r->was_packed) { + if (r->was_packed && r->w != 0 && r->h != 0) { stbtt_packedchar *bc = &ranges[i].chardata_for_range[j]; int advance, lsb, x0,y0,x1,y1; int codepoint = ranges[i].array_of_unicode_codepoints == NULL ? ranges[i].first_unicode_codepoint_in_range + j : ranges[i].array_of_unicode_codepoints[j]; @@ -4140,6 +4156,19 @@ STBTT_DEF int stbtt_PackFontRange(stbtt_pack_context *spc, const unsigned char * return stbtt_PackFontRanges(spc, fontdata, font_index, &range, 1); } +STBTT_DEF void stbtt_GetScaledFontVMetrics(const unsigned char *fontdata, int index, float size, float *ascent, float *descent, float *lineGap) +{ + int i_ascent, i_descent, i_lineGap; + float scale; + stbtt_fontinfo info; + stbtt_InitFont(&info, fontdata, stbtt_GetFontOffsetForIndex(fontdata, index)); + scale = size > 0 ? stbtt_ScaleForPixelHeight(&info, size) : stbtt_ScaleForMappingEmToPixels(&info, -size); + stbtt_GetFontVMetrics(&info, &i_ascent, &i_descent, &i_lineGap); + *ascent = (float) i_ascent * scale; + *descent = (float) i_descent * scale; + *lineGap = (float) i_lineGap * scale; +} + STBTT_DEF void stbtt_GetPackedQuad(const stbtt_packedchar *chardata, int pw, int ph, int char_index, float *xpos, float *ypos, stbtt_aligned_quad *q, int align_to_integer) { float ipw = 1.0f / pw, iph = 1.0f / ph; diff --git a/thirdparty/misc/stb_vorbis.c b/thirdparty/misc/stb_vorbis.c index 8edcf0f38a..88276026ef 100644 --- a/thirdparty/misc/stb_vorbis.c +++ b/thirdparty/misc/stb_vorbis.c @@ -1,4 +1,4 @@ -// Ogg Vorbis audio decoder - v1.14 - public domain +// Ogg Vorbis audio decoder - v1.15 - public domain // http://nothings.org/stb_vorbis/ // // Original version written by Sean Barrett in 2007. @@ -33,6 +33,7 @@ // Timur Gagiev // // Partial history: +// 1.15 - 2019-02-07 - explicit failure if Ogg Skeleton data is found // 1.14 - 2018-02-11 - delete bogus dealloca usage // 1.13 - 2018-01-29 - fix truncation of last frame (hopefully) // 1.12 - 2017-11-21 - limit residue begin/end to blocksize/2 to avoid large temp allocs in bad/corrupt files @@ -253,7 +254,7 @@ extern stb_vorbis * stb_vorbis_open_file(FILE *f, int close_handle_on_close, // create an ogg vorbis decoder from an open FILE *, looking for a stream at // the _current_ seek point (ftell). on failure, returns NULL and sets *error. // note that stb_vorbis must "own" this stream; if you seek it in between -// calls to stb_vorbis, it will become confused. Morever, if you attempt to +// calls to stb_vorbis, it will become confused. Moreover, if you attempt to // perform stb_vorbis_seek_*() operations on this file, it will assume it // owns the _entire_ rest of the file after the start point. Use the next // function, stb_vorbis_open_file_section(), to limit it. @@ -374,7 +375,8 @@ enum STBVorbisError VORBIS_invalid_first_page, VORBIS_bad_packet_type, VORBIS_cant_find_last_page, - VORBIS_seek_failed + VORBIS_seek_failed, + VORBIS_ogg_skeleton_not_supported }; @@ -1073,7 +1075,7 @@ static int compute_codewords(Codebook *c, uint8 *len, int n, uint32 *values) assert(z >= 0 && z < 32); available[z] = 0; add_entry(c, bit_reverse(res), i, m++, len[i], values); - // propogate availability up the tree + // propagate availability up the tree if (z != len[i]) { assert(len[i] >= 0 && len[i] < 32); for (y=len[i]; y > z; --y) { @@ -2637,7 +2639,7 @@ static void inverse_mdct(float *buffer, int n, vorb *f, int blocktype) // once I combined the passes. // so there's a missing 'times 2' here (for adding X to itself). - // this propogates through linearly to the end, where the numbers + // this propagates through linearly to the end, where the numbers // are 1/2 too small, and need to be compensated for. { @@ -3578,7 +3580,22 @@ static int start_decoder(vorb *f) if (f->page_flag & PAGEFLAG_continued_packet) return error(f, VORBIS_invalid_first_page); // check for expected packet length if (f->segment_count != 1) return error(f, VORBIS_invalid_first_page); - if (f->segments[0] != 30) return error(f, VORBIS_invalid_first_page); + if (f->segments[0] != 30) { + // check for the Ogg skeleton fishead identifying header to refine our error + if (f->segments[0] == 64 && + getn(f, header, 6) && + header[0] == 'f' && + header[1] == 'i' && + header[2] == 's' && + header[3] == 'h' && + header[4] == 'e' && + header[5] == 'a' && + get8(f) == 'd' && + get8(f) == '\0') return error(f, VORBIS_ogg_skeleton_not_supported); + else + return error(f, VORBIS_invalid_first_page); + } + // read packet // check packet header if (get8(f) != VORBIS_packet_id) return error(f, VORBIS_invalid_first_page); @@ -4566,7 +4583,7 @@ static int get_seek_page_info(stb_vorbis *f, ProbedPage *z) return 1; } -// rarely used function to seek back to the preceeding page while finding the +// rarely used function to seek back to the preceding page while finding the // start of a packet static int go_to_page_before(stb_vorbis *f, unsigned int limit_offset) { |