mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-07-26 12:30:30 +00:00
Make numerous improvements
- Python static hello world now 1.8mb
- Python static fully loaded now 10mb
- Python HTTPS client now uses MbedTLS
- Python REPL now completes import stmts
- Increase stack size for Python for now
- Begin synthesizing posixpath and ntpath
- Restore Python \N{UNICODE NAME} support
- Restore Python NFKD symbol normalization
- Add optimized code path for Intel SHA-NI
- Get more Python unit tests passing faster
- Get Python help() pagination working on NT
- Python hashlib now supports MbedTLS PBKDF2
- Make memcpy/memmove/memcmp/bcmp/etc. faster
- Add Mersenne Twister and Vigna to LIBC_RAND
- Provide privileged __printf() for error code
- Fix zipos opendir() so that it reports ENOTDIR
- Add basic chmod() implementation for Windows NT
- Add Cosmo's best functions to Python cosmo module
- Pin function trace indent depth to that of caller
- Show memory diagram on invalid access in MODE=dbg
- Differentiate stack overflow on crash in MODE=dbg
- Add stb_truetype and tools for analyzing font files
- Upgrade to UNICODE 13 and reduce its binary footprint
- COMPILE.COM now logs resource usage of build commands
- Start implementing basic poll() support on bare metal
- Set getauxval(AT_EXECFN) to GetModuleFileName() on NT
- Add descriptions to strerror() in non-TINY build modes
- Add COUNTBRANCH() macro to help with micro-optimizations
- Make error / backtrace / asan / memory code more unbreakable
- Add fast perfect C implementation of μ-Law and a-Law audio codecs
- Make strtol() functions consistent with other libc implementations
- Improve Linenoise implementation (see also github.com/jart/bestline)
- COMPILE.COM now suppresses stdout/stderr of successful build commands
This commit is contained in:
Justine Tunney
parent
fa7b4f5bd1
commit
39bf41f4eb
806 changed files with 77494 additions and 63859 deletions
4
third_party/stb/stb.mk
vendored
4
third_party/stb/stb.mk
vendored
|
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@ -66,6 +66,10 @@ $(THIRD_PARTY_STB_A_OBJS): \
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OVERRIDE_CPPFLAGS += \
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-DSTACK_FRAME_UNLIMITED
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o/$(MODE)/third_party/stb/stb_truetype.o: \
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OVERRIDE_CFLAGS += \
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-Os
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THIRD_PARTY_STB_LIBS = $(foreach x,$(THIRD_PARTY_STB_ARTIFACTS),$($(x)))
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THIRD_PARTY_STB_SRCS = $(foreach x,$(THIRD_PARTY_STB_ARTIFACTS),$($(x)_SRCS))
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THIRD_PARTY_STB_CHECKS = $(foreach x,$(THIRD_PARTY_STB_ARTIFACTS),$($(x)_CHECKS))
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|
|
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34
third_party/stb/stb_image.c
vendored
34
third_party/stb/stb_image.c
vendored
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@ -233,7 +233,7 @@ void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) {
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static void *stbi__load_main(stbi__context *s, int *x, int *y, int *comp,
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int req_comp, stbi__result_info *ri, int bpc) {
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memset(ri, 0, sizeof(*ri));
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bzero(ri, sizeof(*ri));
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ri->bits_per_channel = 8;
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ri->num_channels = 0;
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#ifndef STBI_NO_JPEG
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@ -1028,7 +1028,7 @@ static optimizespeed int stbi__jpeg_decode_block(stbi__jpeg *j, short data[64],
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t = stbi__jpeg_huff_decode(j, hdc);
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if (t < 0) return stbi__err("bad huffman code", "Corrupt JPEG");
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// 0 all the ac values now so we can do it 32-bits at a time
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memset(data, 0, 64 * sizeof(data[0]));
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bzero(data, 64 * sizeof(data[0]));
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diff = t ? stbi__extend_receive(j, t) : 0;
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dc = j->img_comp[b].dc_pred + diff;
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j->img_comp[b].dc_pred = dc;
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@ -1077,7 +1077,7 @@ static int stbi__jpeg_decode_block_prog_dc(stbi__jpeg *j, short data[64],
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if (j->code_bits < 16) stbi__grow_buffer_unsafe(j);
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if (j->succ_high == 0) {
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// first scan for DC coefficient, must be first
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memset(data, 0, 64 * sizeof(data[0])); // 0 all the ac values now
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bzero(data, 64 * sizeof(data[0])); // 0 all the ac values now
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t = stbi__jpeg_huff_decode(j, hdc);
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diff = t ? stbi__extend_receive(j, t) : 0;
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dc = j->img_comp[b].dc_pred + diff;
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@ -1969,7 +1969,7 @@ static unsigned char *load_jpeg_image(stbi__jpeg *z, int *out_x, int *out_y,
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unsigned char *output;
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unsigned char *coutput[4];
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stbi__resample res_comp[4];
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memset(coutput, 0, sizeof(coutput));
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bzero(coutput, sizeof(coutput));
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for (k = 0; k < decode_n; ++k) {
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stbi__resample *r = &res_comp[k];
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@ -2198,8 +2198,8 @@ static int stbi__zbuild_huffman(stbi__zhuffman *z,
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int i, k = 0;
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int code, next_code[16], sizes[17];
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// DEFLATE spec for generating codes
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memset(sizes, 0, sizeof(sizes));
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memset(z->fast, 0, sizeof(z->fast));
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bzero(sizes, sizeof(sizes));
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bzero(z->fast, sizeof(z->fast));
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for (i = 0; i < num; ++i) ++sizes[sizelist[i]];
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sizes[0] = 0;
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for (i = 1; i < 16; ++i)
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@ -2378,14 +2378,12 @@ static int stbi__parse_huffman_block(stbi__zbuf *a) {
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if (dist == 1) { // run of one byte; common in images.
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unsigned char v = *p;
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if (len) {
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do
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*zout++ = v;
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do *zout++ = v;
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while (--len);
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}
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} else {
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if (len) {
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do
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*zout++ = *p++;
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do *zout++ = *p++;
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while (--len);
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}
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}
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@ -2404,7 +2402,7 @@ static int stbi__compute_huffman_codes(stbi__zbuf *a) {
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int hdist = stbi__zreceive(a, 5) + 1;
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int hclen = stbi__zreceive(a, 4) + 4;
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int ntot = hlit + hdist;
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memset(codelength_sizes, 0, sizeof(codelength_sizes));
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bzero(codelength_sizes, sizeof(codelength_sizes));
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for (i = 0; i < hclen; ++i) {
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int s = stbi__zreceive(a, 3);
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codelength_sizes[length_dezigzag[i]] = (unsigned char)s;
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@ -3700,11 +3698,11 @@ static unsigned char *stbi__gif_load_next(stbi__context *s, stbi__gif *g,
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// the current background; background colour is only used for pixels that
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// are not rendered first frame, after that "background" color refers to
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// the color that was there the previous frame.
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memset(g->out, 0x00, 4 * pcount);
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memset(g->background, 0x00,
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4 * pcount); // state of the background (starts transparent)
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memset(g->history, 0x00,
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pcount); // pixels that were affected previous frame
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bzero(g->out, 4 * pcount);
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bzero(g->background,
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4 * pcount); // state of the background (starts transparent)
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bzero(g->history,
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pcount); // pixels that were affected previous frame
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first_frame = 1;
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} else {
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// second frame - how do we dispoase of the previous one?
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@ -3741,8 +3739,8 @@ static unsigned char *stbi__gif_load_next(stbi__context *s, stbi__gif *g,
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}
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// clear my history;
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memset(g->history, 0x00,
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g->w * g->h); // pixels that were affected previous frame
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bzero(g->history,
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g->w * g->h); // pixels that were affected previous frame
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for (;;) {
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int tag = stbi__get8(s);
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21
third_party/stb/stb_image_resize.c
vendored
21
third_party/stb/stb_image_resize.c
vendored
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@ -394,9 +394,7 @@ static float stbir__support_trapezoid(float scale) {
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static float stbir__filter_triangle(float x, float s) {
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STBIR__UNUSED_PARAM(s);
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x = (float)fabs(x);
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if (x <= 1.0f)
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return 1 - x;
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else
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@ -405,40 +403,31 @@ static float stbir__filter_triangle(float x, float s) {
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static float stbir__filter_cubic(float x, float s) {
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STBIR__UNUSED_PARAM(s);
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x = (float)fabs(x);
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if (x < 1.0f)
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return (4 + x * x * (3 * x - 6)) / 6;
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else if (x < 2.0f)
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return (8 + x * (-12 + x * (6 - x))) / 6;
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return (0.0f);
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}
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static float stbir__filter_catmullrom(float x, float s) {
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STBIR__UNUSED_PARAM(s);
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x = (float)fabs(x);
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if (x < 1.0f)
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return 1 - x * x * (2.5f - 1.5f * x);
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else if (x < 2.0f)
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return 2 - x * (4 + x * (0.5f * x - 2.5f));
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return (0.0f);
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}
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static float stbir__filter_mitchell(float x, float s) {
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STBIR__UNUSED_PARAM(s);
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x = (float)fabs(x);
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if (x < 1.0f)
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return (16 + x * x * (21 * x - 36)) / 18;
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else if (x < 2.0f)
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return (32 + x * (-60 + x * (36 - 7 * x))) / 18;
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return (0.0f);
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}
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@ -1080,7 +1069,7 @@ static float* stbir__add_empty_ring_buffer_entry(stbir__info* stbir_info,
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ring_buffer = stbir__get_ring_buffer_entry(
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stbir_info->ring_buffer, ring_buffer_index,
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stbir_info->ring_buffer_length_bytes / sizeof(float));
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memset(ring_buffer, 0, stbir_info->ring_buffer_length_bytes);
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bzero(ring_buffer, stbir_info->ring_buffer_length_bytes);
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return ring_buffer;
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}
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@ -1340,8 +1329,8 @@ static void stbir__decode_and_resample_downsample(stbir__info* stbir_info,
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// Decode the nth scanline from the source image into the decode buffer.
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stbir__decode_scanline(stbir_info, n);
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memset(stbir_info->horizontal_buffer, 0,
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stbir_info->output_w * stbir_info->channels * sizeof(float));
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bzero(stbir_info->horizontal_buffer,
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stbir_info->output_w * stbir_info->channels * sizeof(float));
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// Now resample it into the horizontal buffer.
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if (stbir__use_width_upsampling(stbir_info))
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@ -1584,7 +1573,7 @@ static void stbir__resample_vertical_upsample(stbir__info* stbir_info, int n) {
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STBIR_ASSERT(stbir__use_height_upsampling(stbir_info));
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memset(encode_buffer, 0, output_w * sizeof(float) * channels);
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bzero(encode_buffer, output_w * sizeof(float) * channels);
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// I tried reblocking this for better cache usage of encode_buffer
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// (using x_outer, k, x_inner), but it lost speed. -- stb
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@ -2104,7 +2093,7 @@ static int stbir__resize_allocated(
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if (tempmem_size_in_bytes < memory_required) return 0;
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memset(tempmem, 0, tempmem_size_in_bytes);
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bzero(tempmem, tempmem_size_in_bytes);
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info->input_data = input_data;
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info->input_stride_bytes = width_stride_input;
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460
third_party/stb/stb_rect_pack.c
vendored
Normal file
460
third_party/stb/stb_rect_pack.c
vendored
Normal file
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@ -0,0 +1,460 @@
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:3;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=3 sts=3 sw=3 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ │
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│ stb_truetype │
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│ Copyright 2017 Sean Barrett │
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│ │
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│ Permission is hereby granted, free of charge, to any person obtaining │
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│ a copy of this software and associated documentation files (the │
|
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│ "Software"), to deal in the Software without restriction, including │
|
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│ without limitation the rights to use, copy, modify, merge, publish, │
|
||||
│ distribute, sublicense, and/or sell copies of the Software, and to │
|
||||
│ permit persons to whom the Software is furnished to do so, subject to │
|
||||
│ the following conditions: │
|
||||
│ │
|
||||
│ The above copyright notice and this permission notice shall be │
|
||||
│ included in all copies or substantial portions of the Software. │
|
||||
│ │
|
||||
│ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, │
|
||||
│ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF │
|
||||
│ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. │
|
||||
│ IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY │
|
||||
│ CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, │
|
||||
│ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE │
|
||||
│ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. │
|
||||
│ │
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||||
╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/alg/alg.h"
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#include "libc/assert.h"
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#include "libc/dce.h"
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#include "third_party/stb/stb_rect_pack.h"
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|
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asm(".ident\t\"\\n\\n\
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stb_rect_pack (MIT License)\\n\
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Copyright 2017 Sean Barrett\"");
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asm(".include \"libc/disclaimer.inc\"");
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/* clang-format off */
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// stb_rect_pack.h - v1.01 - public domain - rectangle packing
|
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// Sean Barrett 2014
|
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//
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// Useful for e.g. packing rectangular textures into an atlas.
|
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// Does not do rotation.
|
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//
|
||||
// in the file that you want to have the implementation.
|
||||
//
|
||||
// Not necessarily the awesomest packing method, but better than
|
||||
// the totally naive one in stb_truetype (which is primarily what
|
||||
// this is meant to replace).
|
||||
//
|
||||
// Has only had a few tests run, may have issues.
|
||||
//
|
||||
// More docs to come.
|
||||
//
|
||||
// No memory allocations; uses qsort() and assert() from stdlib.
|
||||
// Can override those by defining STBRP_SORT and STBRP_ASSERT.
|
||||
//
|
||||
// This library currently uses the Skyline Bottom-Left algorithm.
|
||||
//
|
||||
// Please note: better rectangle packers are welcome! Please
|
||||
// implement them to the same API, but with a different init
|
||||
// function.
|
||||
//
|
||||
// Credits
|
||||
//
|
||||
// Library
|
||||
// Sean Barrett
|
||||
// Minor features
|
||||
// Martins Mozeiko
|
||||
// github:IntellectualKitty
|
||||
//
|
||||
// Bugfixes / warning fixes
|
||||
// Jeremy Jaussaud
|
||||
// Fabian Giesen
|
||||
//
|
||||
// Version history:
|
||||
//
|
||||
// 1.01 (2021-07-11) always use large rect mode, expose STBRP__MAXVAL in public section
|
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// 1.00 (2019-02-25) avoid small space waste; gracefully fail too-wide rectangles
|
||||
// 0.99 (2019-02-07) warning fixes
|
||||
// 0.11 (2017-03-03) return packing success/fail result
|
||||
// 0.10 (2016-10-25) remove cast-away-const to avoid warnings
|
||||
// 0.09 (2016-08-27) fix compiler warnings
|
||||
// 0.08 (2015-09-13) really fix bug with empty rects (w=0 or h=0)
|
||||
// 0.07 (2015-09-13) fix bug with empty rects (w=0 or h=0)
|
||||
// 0.06 (2015-04-15) added STBRP_SORT to allow replacing qsort
|
||||
// 0.05: added STBRP_ASSERT to allow replacing assert
|
||||
// 0.04: fixed minor bug in STBRP_LARGE_RECTS support
|
||||
// 0.01: initial release
|
||||
|
||||
#define STBRP__INIT_skyline 1
|
||||
|
||||
typedef struct
|
||||
{
|
||||
int x,y;
|
||||
stbrp_node **prev_link;
|
||||
} stbrp__findresult;
|
||||
|
||||
// Optionally select which packing heuristic the library should use. Different
|
||||
// heuristics will produce better/worse results for different data sets.
|
||||
// If you call init again, this will be reset to the default.
|
||||
void stbrp_setup_heuristic(stbrp_context *context, int heuristic)
|
||||
{
|
||||
switch (context->init_mode) {
|
||||
case STBRP__INIT_skyline:
|
||||
assert(heuristic == STBRP_HEURISTIC_Skyline_BL_sortHeight ||
|
||||
heuristic == STBRP_HEURISTIC_Skyline_BF_sortHeight);
|
||||
context->heuristic = heuristic;
|
||||
break;
|
||||
default:
|
||||
unreachable;
|
||||
}
|
||||
}
|
||||
|
||||
// Optionally call this function after init but before doing any packing to
|
||||
// change the handling of the out-of-temp-memory scenario, described above.
|
||||
// If you call init again, this will be reset to the default (false).
|
||||
void stbrp_setup_allow_out_of_mem(stbrp_context *context, int allow_out_of_mem)
|
||||
{
|
||||
if (allow_out_of_mem) {
|
||||
// if it's ok to run out of memory, then don't bother aligning them;
|
||||
// this gives better packing, but may fail due to OOM (even though
|
||||
// the rectangles easily fit). @TODO a smarter approach would be to only
|
||||
// quantize once we've hit OOM, then we could get rid of this parameter.
|
||||
context->align = 1;
|
||||
} else {
|
||||
// if it's not ok to run out of memory, then quantize the widths
|
||||
// so that num_nodes is always enough nodes.
|
||||
//
|
||||
// I.e. num_nodes * align >= width
|
||||
// align >= width / num_nodes
|
||||
// align = ceil(width/num_nodes)
|
||||
context->align = (context->width + context->num_nodes-1) / context->num_nodes;
|
||||
}
|
||||
}
|
||||
|
||||
// Initialize a rectangle packer to:
|
||||
// pack a rectangle that is 'width' by 'height' in dimensions
|
||||
// using temporary storage provided by the array 'nodes', which is 'num_nodes' long
|
||||
//
|
||||
// You must call this function every time you start packing into a new target.
|
||||
//
|
||||
// There is no "shutdown" function. The 'nodes' memory must stay valid for
|
||||
// the following stbrp_pack_rects() call (or calls), but can be freed after
|
||||
// the call (or calls) finish.
|
||||
//
|
||||
// Note: to guarantee best results, either:
|
||||
// 1. make sure 'num_nodes' >= 'width'
|
||||
// or 2. call stbrp_allow_out_of_mem() defined below with 'allow_out_of_mem = 1'
|
||||
//
|
||||
// If you don't do either of the above things, widths will be quantized to multiples
|
||||
// of small integers to guarantee the algorithm doesn't run out of temporary storage.
|
||||
//
|
||||
// If you do #2, then the non-quantized algorithm will be used, but the algorithm
|
||||
// may run out of temporary storage and be unable to pack some rectangles.
|
||||
void stbrp_init_target(stbrp_context *context, int width, int height, stbrp_node *nodes, int num_nodes)
|
||||
{
|
||||
int i;
|
||||
for (i=0; i < num_nodes-1; ++i)
|
||||
nodes[i].next = &nodes[i+1];
|
||||
nodes[i].next = NULL;
|
||||
context->init_mode = STBRP__INIT_skyline;
|
||||
context->heuristic = STBRP_HEURISTIC_Skyline_default;
|
||||
context->free_head = &nodes[0];
|
||||
context->active_head = &context->extra[0];
|
||||
context->width = width;
|
||||
context->height = height;
|
||||
context->num_nodes = num_nodes;
|
||||
stbrp_setup_allow_out_of_mem(context, 0);
|
||||
// node 0 is the full width, node 1 is the sentinel (lets us not store width explicitly)
|
||||
context->extra[0].x = 0;
|
||||
context->extra[0].y = 0;
|
||||
context->extra[0].next = &context->extra[1];
|
||||
context->extra[1].x = (stbrp_coord) width;
|
||||
context->extra[1].y = (1<<30);
|
||||
context->extra[1].next = NULL;
|
||||
}
|
||||
|
||||
// find minimum y position if it starts at x1
|
||||
static int stbrp__skyline_find_min_y(stbrp_context *c, stbrp_node *first, int x0, int width, int *pwaste)
|
||||
{
|
||||
stbrp_node *node = first;
|
||||
int x1 = x0 + width;
|
||||
int min_y, visited_width, waste_area;
|
||||
assert(first->x <= x0);
|
||||
#if 0
|
||||
// skip in case we're past the node
|
||||
while (node->next->x <= x0)
|
||||
++node;
|
||||
#else
|
||||
assert(node->next->x > x0); // we ended up handling this in the caller for efficiency
|
||||
#endif
|
||||
assert(node->x <= x0);
|
||||
min_y = 0;
|
||||
waste_area = 0;
|
||||
visited_width = 0;
|
||||
while (node->x < x1) {
|
||||
if (node->y > min_y) {
|
||||
// raise min_y higher.
|
||||
// we've accounted for all waste up to min_y,
|
||||
// but we'll now add more waste for everything we've visted
|
||||
waste_area += visited_width * (node->y - min_y);
|
||||
min_y = node->y;
|
||||
// the first time through, visited_width might be reduced
|
||||
if (node->x < x0)
|
||||
visited_width += node->next->x - x0;
|
||||
else
|
||||
visited_width += node->next->x - node->x;
|
||||
} else {
|
||||
// add waste area
|
||||
int under_width = node->next->x - node->x;
|
||||
if (under_width + visited_width > width)
|
||||
under_width = width - visited_width;
|
||||
waste_area += under_width * (min_y - node->y);
|
||||
visited_width += under_width;
|
||||
}
|
||||
node = node->next;
|
||||
}
|
||||
*pwaste = waste_area;
|
||||
return min_y;
|
||||
}
|
||||
|
||||
static stbrp__findresult stbrp__skyline_find_best_pos(stbrp_context *c, int width, int height)
|
||||
{
|
||||
int best_waste = (1<<30), best_x, best_y = (1 << 30);
|
||||
stbrp__findresult fr;
|
||||
stbrp_node **prev, *node, *tail, **best = NULL;
|
||||
// align to multiple of c->align
|
||||
width = (width + c->align - 1);
|
||||
width -= width % c->align;
|
||||
assert(width % c->align == 0);
|
||||
// if it can't possibly fit, bail immediately
|
||||
if (width > c->width || height > c->height) {
|
||||
fr.prev_link = NULL;
|
||||
fr.x = fr.y = 0;
|
||||
return fr;
|
||||
}
|
||||
node = c->active_head;
|
||||
prev = &c->active_head;
|
||||
while (node->x + width <= c->width) {
|
||||
int y,waste;
|
||||
y = stbrp__skyline_find_min_y(c, node, node->x, width, &waste);
|
||||
if (c->heuristic == STBRP_HEURISTIC_Skyline_BL_sortHeight) { // actually just want to test BL
|
||||
// bottom left
|
||||
if (y < best_y) {
|
||||
best_y = y;
|
||||
best = prev;
|
||||
}
|
||||
} else {
|
||||
// best-fit
|
||||
if (y + height <= c->height) {
|
||||
// can only use it if it first vertically
|
||||
if (y < best_y || (y == best_y && waste < best_waste)) {
|
||||
best_y = y;
|
||||
best_waste = waste;
|
||||
best = prev;
|
||||
}
|
||||
}
|
||||
}
|
||||
prev = &node->next;
|
||||
node = node->next;
|
||||
}
|
||||
best_x = (best == NULL) ? 0 : (*best)->x;
|
||||
// if doing best-fit (BF), we also have to try aligning right edge to each node position
|
||||
//
|
||||
// e.g, if fitting
|
||||
//
|
||||
// ____________________
|
||||
// |____________________|
|
||||
//
|
||||
// into
|
||||
//
|
||||
// | |
|
||||
// | ____________|
|
||||
// |____________|
|
||||
//
|
||||
// then right-aligned reduces waste, but bottom-left BL is always chooses left-aligned
|
||||
//
|
||||
// This makes BF take about 2x the time
|
||||
if (c->heuristic == STBRP_HEURISTIC_Skyline_BF_sortHeight) {
|
||||
tail = c->active_head;
|
||||
node = c->active_head;
|
||||
prev = &c->active_head;
|
||||
// find first node that's admissible
|
||||
while (tail->x < width)
|
||||
tail = tail->next;
|
||||
while (tail) {
|
||||
int xpos = tail->x - width;
|
||||
int y,waste;
|
||||
assert(xpos >= 0);
|
||||
// find the left position that matches this
|
||||
while (node->next->x <= xpos) {
|
||||
prev = &node->next;
|
||||
node = node->next;
|
||||
}
|
||||
assert(node->next->x > xpos && node->x <= xpos);
|
||||
y = stbrp__skyline_find_min_y(c, node, xpos, width, &waste);
|
||||
if (y + height <= c->height) {
|
||||
if (y <= best_y) {
|
||||
if (y < best_y || waste < best_waste || (waste==best_waste && xpos < best_x)) {
|
||||
best_x = xpos;
|
||||
assert(y <= best_y);
|
||||
best_y = y;
|
||||
best_waste = waste;
|
||||
best = prev;
|
||||
}
|
||||
}
|
||||
}
|
||||
tail = tail->next;
|
||||
}
|
||||
}
|
||||
fr.prev_link = best;
|
||||
fr.x = best_x;
|
||||
fr.y = best_y;
|
||||
return fr;
|
||||
}
|
||||
|
||||
static stbrp__findresult stbrp__skyline_pack_rectangle(stbrp_context *context, int width, int height)
|
||||
{
|
||||
// find best position according to heuristic
|
||||
stbrp__findresult res = stbrp__skyline_find_best_pos(context, width, height);
|
||||
stbrp_node *node, *cur;
|
||||
// bail if:
|
||||
// 1. it failed
|
||||
// 2. the best node doesn't fit (we don't always check this)
|
||||
// 3. we're out of memory
|
||||
if (res.prev_link == NULL || res.y + height > context->height || context->free_head == NULL) {
|
||||
res.prev_link = NULL;
|
||||
return res;
|
||||
}
|
||||
// on success, create new node
|
||||
node = context->free_head;
|
||||
node->x = (stbrp_coord) res.x;
|
||||
node->y = (stbrp_coord) (res.y + height);
|
||||
context->free_head = node->next;
|
||||
// insert the new node into the right starting point, and
|
||||
// let 'cur' point to the remaining nodes needing to be
|
||||
// stiched back in
|
||||
cur = *res.prev_link;
|
||||
if (cur->x < res.x) {
|
||||
// preserve the existing one, so start testing with the next one
|
||||
stbrp_node *next = cur->next;
|
||||
cur->next = node;
|
||||
cur = next;
|
||||
} else {
|
||||
*res.prev_link = node;
|
||||
}
|
||||
// from here, traverse cur and free the nodes, until we get to one
|
||||
// that shouldn't be freed
|
||||
while (cur->next && cur->next->x <= res.x + width) {
|
||||
stbrp_node *next = cur->next;
|
||||
// move the current node to the free list
|
||||
cur->next = context->free_head;
|
||||
context->free_head = cur;
|
||||
cur = next;
|
||||
}
|
||||
// stitch the list back in
|
||||
node->next = cur;
|
||||
if (cur->x < res.x + width)
|
||||
cur->x = (stbrp_coord) (res.x + width);
|
||||
#ifndef NDEBUG
|
||||
cur = context->active_head;
|
||||
while (cur->x < context->width) {
|
||||
assert(cur->x < cur->next->x);
|
||||
cur = cur->next;
|
||||
}
|
||||
assert(cur->next == NULL);
|
||||
{
|
||||
int count=0;
|
||||
cur = context->active_head;
|
||||
while (cur) {
|
||||
cur = cur->next;
|
||||
++count;
|
||||
}
|
||||
cur = context->free_head;
|
||||
while (cur) {
|
||||
cur = cur->next;
|
||||
++count;
|
||||
}
|
||||
assert(count == context->num_nodes+2);
|
||||
}
|
||||
#endif
|
||||
return res;
|
||||
}
|
||||
|
||||
static int rect_height_compare(const void *a, const void *b)
|
||||
{
|
||||
const stbrp_rect *p = (const stbrp_rect *) a;
|
||||
const stbrp_rect *q = (const stbrp_rect *) b;
|
||||
if (p->h > q->h)
|
||||
return -1;
|
||||
if (p->h < q->h)
|
||||
return 1;
|
||||
return (p->w > q->w) ? -1 : (p->w < q->w);
|
||||
}
|
||||
|
||||
static int rect_original_order(const void *a, const void *b)
|
||||
{
|
||||
const stbrp_rect *p = (const stbrp_rect *) a;
|
||||
const stbrp_rect *q = (const stbrp_rect *) b;
|
||||
return (p->was_packed < q->was_packed) ? -1 : (p->was_packed > q->was_packed);
|
||||
}
|
||||
|
||||
// Assign packed locations to rectangles. The rectangles are of type
|
||||
// 'stbrp_rect' defined below, stored in the array 'rects', and there
|
||||
// are 'num_rects' many of them.
|
||||
//
|
||||
// Rectangles which are successfully packed have the 'was_packed' flag
|
||||
// set to a non-zero value and 'x' and 'y' store the minimum location
|
||||
// on each axis (i.e. bottom-left in cartesian coordinates, top-left
|
||||
// if you imagine y increasing downwards). Rectangles which do not fit
|
||||
// have the 'was_packed' flag set to 0.
|
||||
//
|
||||
// You should not try to access the 'rects' array from another thread
|
||||
// while this function is running, as the function temporarily reorders
|
||||
// the array while it executes.
|
||||
//
|
||||
// To pack into another rectangle, you need to call stbrp_init_target
|
||||
// again. To continue packing into the same rectangle, you can call
|
||||
// this function again. Calling this multiple times with multiple rect
|
||||
// arrays will probably produce worse packing results than calling it
|
||||
// a single time with the full rectangle array, but the option is
|
||||
// available.
|
||||
//
|
||||
// The function returns 1 if all of the rectangles were successfully
|
||||
// packed and 0 otherwise.
|
||||
int stbrp_pack_rects(stbrp_context *context, stbrp_rect *rects, int num_rects)
|
||||
{
|
||||
stbrp__findresult fr;
|
||||
int i, all_rects_packed = 1;
|
||||
// we use the 'was_packed' field internally to allow sorting/unsorting
|
||||
for (i=0; i < num_rects; ++i) {
|
||||
rects[i].was_packed = i;
|
||||
}
|
||||
// sort according to heuristic
|
||||
qsort(rects, num_rects, sizeof(rects[0]), rect_height_compare);
|
||||
for (i=0; i < num_rects; ++i) {
|
||||
if (rects[i].w == 0 || rects[i].h == 0) {
|
||||
rects[i].x = rects[i].y = 0; // empty rect needs no space
|
||||
} else {
|
||||
fr = stbrp__skyline_pack_rectangle(context, rects[i].w, rects[i].h);
|
||||
if (fr.prev_link) {
|
||||
rects[i].x = (stbrp_coord) fr.x;
|
||||
rects[i].y = (stbrp_coord) fr.y;
|
||||
} else {
|
||||
rects[i].x = rects[i].y = STBRP__MAXVAL;
|
||||
}
|
||||
}
|
||||
}
|
||||
// unsort
|
||||
qsort(rects, num_rects, sizeof(rects[0]), rect_original_order);
|
||||
// set was_packed flags and all_rects_packed status
|
||||
for (i=0; i < num_rects; ++i) {
|
||||
rects[i].was_packed = !(rects[i].x == STBRP__MAXVAL && rects[i].y == STBRP__MAXVAL);
|
||||
if (!rects[i].was_packed)
|
||||
all_rects_packed = 0;
|
||||
}
|
||||
// return the all_rects_packed status
|
||||
return all_rects_packed;
|
||||
}
|
||||
50
third_party/stb/stb_rect_pack.h
vendored
Normal file
50
third_party/stb/stb_rect_pack.h
vendored
Normal file
|
|
@ -0,0 +1,50 @@
|
|||
#ifndef COSMOPOLITAN_THIRD_PARTY_STB_STB_RECT_PACK_H_
|
||||
#define COSMOPOLITAN_THIRD_PARTY_STB_STB_RECT_PACK_H_
|
||||
|
||||
#define STBRP__MAXVAL 0x7fffffff
|
||||
#define STB_RECT_PACK_VERSION 1
|
||||
|
||||
#define STBRP_HEURISTIC_Skyline_default 0
|
||||
#define STBRP_HEURISTIC_Skyline_BL_sortHeight 0
|
||||
#define STBRP_HEURISTIC_Skyline_BF_sortHeight 1
|
||||
|
||||
#if !(__ASSEMBLER__ + __LINKER__ + 0)
|
||||
COSMOPOLITAN_C_START_
|
||||
|
||||
typedef struct stbrp_context stbrp_context;
|
||||
typedef struct stbrp_node stbrp_node;
|
||||
typedef struct stbrp_rect stbrp_rect;
|
||||
typedef int stbrp_coord;
|
||||
|
||||
struct stbrp_node {
|
||||
stbrp_coord x, y;
|
||||
stbrp_node *next;
|
||||
};
|
||||
|
||||
struct stbrp_context {
|
||||
int width;
|
||||
int height;
|
||||
int align;
|
||||
int init_mode;
|
||||
int heuristic;
|
||||
int num_nodes;
|
||||
stbrp_node *active_head;
|
||||
stbrp_node *free_head;
|
||||
stbrp_node extra[2]; // so optimal user-node-count is 'width' not 'width+2'
|
||||
};
|
||||
|
||||
struct stbrp_rect {
|
||||
int id; // reserved for your use:
|
||||
stbrp_coord w, h; // input
|
||||
stbrp_coord x, y; // output
|
||||
int was_packed; // non-zero if valid packing
|
||||
}; // 16 bytes, nominally
|
||||
|
||||
void stbrp_init_target(stbrp_context *, int, int, stbrp_node *, int);
|
||||
void stbrp_setup_allow_out_of_mem(stbrp_context *, int);
|
||||
void stbrp_setup_heuristic(stbrp_context *, int);
|
||||
int stbrp_pack_rects(stbrp_context *, stbrp_rect *, int);
|
||||
|
||||
COSMOPOLITAN_C_END_
|
||||
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
|
||||
#endif /* COSMOPOLITAN_THIRD_PARTY_STB_STB_RECT_PACK_H_ */
|
||||
4283
third_party/stb/stb_truetype.c
vendored
Normal file
4283
third_party/stb/stb_truetype.c
vendored
Normal file
File diff suppressed because it is too large
Load diff
262
third_party/stb/stb_truetype.h
vendored
Normal file
262
third_party/stb/stb_truetype.h
vendored
Normal file
|
|
@ -0,0 +1,262 @@
|
|||
#ifndef COSMOPOLITAN_THIRD_PARTY_STB_STB_TRUETYPE_H_
|
||||
#define COSMOPOLITAN_THIRD_PARTY_STB_STB_TRUETYPE_H_
|
||||
#include "libc/runtime/runtime.h"
|
||||
#include "third_party/stb/stb_rect_pack.h"
|
||||
|
||||
#define STBTT_vmove 1
|
||||
#define STBTT_vline 2
|
||||
#define STBTT_vcurve 3
|
||||
#define STBTT_vcubic 4
|
||||
|
||||
#define STBTT_MACSTYLE_DONTCARE 0
|
||||
#define STBTT_MACSTYLE_BOLD 1
|
||||
#define STBTT_MACSTYLE_ITALIC 2
|
||||
#define STBTT_MACSTYLE_UNDERSCORE 4
|
||||
#define STBTT_MACSTYLE_NONE 8
|
||||
|
||||
#define STBTT_PLATFORM_ID_UNICODE 0
|
||||
#define STBTT_PLATFORM_ID_MAC 1
|
||||
#define STBTT_PLATFORM_ID_ISO 2
|
||||
#define STBTT_PLATFORM_ID_MICROSOFT 3
|
||||
|
||||
#define STBTT_UNICODE_EID_UNICODE_1_0 0
|
||||
#define STBTT_UNICODE_EID_UNICODE_1_1 1
|
||||
#define STBTT_UNICODE_EID_ISO_10646 2
|
||||
#define STBTT_UNICODE_EID_UNICODE_2_0_BMP 3
|
||||
#define STBTT_UNICODE_EID_UNICODE_2_0_FULL 4
|
||||
|
||||
#define STBTT_MS_EID_SYMBOL 0
|
||||
#define STBTT_MS_EID_UNICODE_BMP 1
|
||||
#define STBTT_MS_EID_SHIFTJIS 2
|
||||
#define STBTT_MS_EID_UNICODE_FULL 10
|
||||
|
||||
#define STBTT_MAC_EID_ROMAN 0
|
||||
#define STBTT_MAC_EID_ARABIC 4
|
||||
#define STBTT_MAC_EID_JAPANESE 1
|
||||
#define STBTT_MAC_EID_HEBREW 5
|
||||
#define STBTT_MAC_EID_CHINESE_TRAD 2
|
||||
#define STBTT_MAC_EID_GREEK 6
|
||||
#define STBTT_MAC_EID_KOREAN 3
|
||||
#define STBTT_MAC_EID_RUSSIAN 7
|
||||
|
||||
#define STBTT_MS_LANG_ENGLISH 0x0409
|
||||
#define STBTT_MS_LANG_ITALIAN 0x0410
|
||||
#define STBTT_MS_LANG_CHINESE 0x0804
|
||||
#define STBTT_MS_LANG_JAPANESE 0x0411
|
||||
#define STBTT_MS_LANG_DUTCH 0x0413
|
||||
#define STBTT_MS_LANG_KOREAN 0x0412
|
||||
#define STBTT_MS_LANG_FRENCH 0x040c
|
||||
#define STBTT_MS_LANG_RUSSIAN 0x0419
|
||||
#define STBTT_MS_LANG_GERMAN 0x0407
|
||||
#define STBTT_MS_LANG_SPANISH 0x0409
|
||||
#define STBTT_MS_LANG_HEBREW 0x040d
|
||||
#define STBTT_MS_LANG_SWEDISH 0x041D
|
||||
|
||||
#define STBTT_MAC_LANG_ENGLISH 0
|
||||
#define STBTT_MAC_LANG_JAPANESE 11
|
||||
#define STBTT_MAC_LANG_ARABIC 12
|
||||
#define STBTT_MAC_LANG_KOREAN 23
|
||||
#define STBTT_MAC_LANG_DUTCH 4
|
||||
#define STBTT_MAC_LANG_RUSSIAN 32
|
||||
#define STBTT_MAC_LANG_FRENCH 1
|
||||
#define STBTT_MAC_LANG_SPANISH 6
|
||||
#define STBTT_MAC_LANG_GERMAN 2
|
||||
#define STBTT_MAC_LANG_SWEDISH 5
|
||||
#define STBTT_MAC_LANG_HEBREW 10
|
||||
#define STBTT_MAC_LANG_CHINESE_SIMPLIFIED 33
|
||||
#define STBTT_MAC_LANG_ITALIAN 3
|
||||
#define STBTT_MAC_LANG_CHINESE_TRAD 19
|
||||
|
||||
#define STBTT_POINT_SIZE(x) (-(x))
|
||||
|
||||
#if !(__ASSEMBLER__ + __LINKER__ + 0)
|
||||
COSMOPOLITAN_C_START_
|
||||
|
||||
typedef int16_t stbtt_vertex_type;
|
||||
typedef struct stbtt_fontinfo stbtt_fontinfo;
|
||||
typedef struct stbtt_pack_context stbtt_pack_context;
|
||||
|
||||
typedef struct {
|
||||
unsigned char *data;
|
||||
int cursor;
|
||||
int size;
|
||||
} stbtt__buf;
|
||||
|
||||
typedef struct {
|
||||
unsigned short x0, y0, x1, y1;
|
||||
float xoff, yoff, xadvance;
|
||||
} stbtt_bakedchar;
|
||||
|
||||
typedef struct {
|
||||
float x0, y0, s0, t0;
|
||||
float x1, y1, s1, t1;
|
||||
} stbtt_aligned_quad;
|
||||
|
||||
typedef struct {
|
||||
unsigned short x0, y0, x1, y1;
|
||||
float xoff, yoff, xadvance;
|
||||
float xoff2, yoff2;
|
||||
} stbtt_packedchar;
|
||||
|
||||
typedef struct {
|
||||
int w, h, stride;
|
||||
unsigned char *pixels;
|
||||
} stbtt__bitmap;
|
||||
|
||||
typedef struct {
|
||||
float font_size;
|
||||
int first_unicode_codepoint_in_range;
|
||||
int *array_of_unicode_codepoints;
|
||||
int num_chars;
|
||||
stbtt_packedchar *chardata_for_range;
|
||||
unsigned char h_oversample, v_oversample;
|
||||
} stbtt_pack_range;
|
||||
|
||||
struct stbtt_pack_context {
|
||||
void *user_allocator_context;
|
||||
void *pack_info;
|
||||
int width;
|
||||
int height;
|
||||
int stride_in_bytes;
|
||||
int padding;
|
||||
int skip_missing;
|
||||
unsigned int h_oversample, v_oversample;
|
||||
unsigned char *pixels;
|
||||
void *nodes;
|
||||
};
|
||||
|
||||
struct stbtt_fontinfo {
|
||||
void *userdata;
|
||||
int hmtx, kern, gpos, svg;
|
||||
int loca, head, glyf, hhea;
|
||||
unsigned char *data; // pointer to .ttf file
|
||||
int fontstart; // offset of start of font
|
||||
int numGlyphs; // needed for range checking
|
||||
int index_map; // cmap mapping for chosen char encoding
|
||||
int indexToLocFormat; // format mapping glyph index to glyph
|
||||
stbtt__buf cff; // cff font data
|
||||
stbtt__buf charstrings; // charstring index
|
||||
stbtt__buf gsubrs; // global charstring subroutines index
|
||||
stbtt__buf subrs; // private charstring subroutines index
|
||||
stbtt__buf fontdicts; // array of font dicts
|
||||
stbtt__buf fdselect; // map from glyph to fontdict
|
||||
};
|
||||
|
||||
typedef struct stbtt_kerningentry {
|
||||
int glyph1; // use stbtt_FindGlyphIndex
|
||||
int glyph2;
|
||||
int advance;
|
||||
} stbtt_kerningentry;
|
||||
|
||||
typedef struct {
|
||||
stbtt_vertex_type x, y, cx, cy, cx1, cy1;
|
||||
unsigned char type, padding;
|
||||
} stbtt_vertex;
|
||||
|
||||
extern jmp_buf stbtt_jmpbuf;
|
||||
|
||||
int stbtt_BakeFontBitmap(const unsigned char *, int, float, unsigned char *,
|
||||
int, int, int, int, stbtt_bakedchar *);
|
||||
void stbtt_GetBakedQuad(const stbtt_bakedchar *, int, int, int, float *,
|
||||
float *, stbtt_aligned_quad *, int);
|
||||
void stbtt_GetScaledFontVMetrics(const unsigned char *, int, float, float *,
|
||||
float *, float *);
|
||||
int stbtt_PackBegin(stbtt_pack_context *, unsigned char *, int, int, int, int,
|
||||
void *);
|
||||
void stbtt_PackEnd(stbtt_pack_context *);
|
||||
int stbtt_PackFontRange(stbtt_pack_context *, const unsigned char *, int, float,
|
||||
int, int, stbtt_packedchar *);
|
||||
int stbtt_PackFontRanges(stbtt_pack_context *, const unsigned char *, int,
|
||||
stbtt_pack_range *, int);
|
||||
void stbtt_PackSetOversampling(stbtt_pack_context *, unsigned int,
|
||||
unsigned int);
|
||||
void stbtt_PackSetSkipMissingCodepoints(stbtt_pack_context *, int);
|
||||
void stbtt_GetPackedQuad(const stbtt_packedchar *, int, int, int, float *,
|
||||
float *, stbtt_aligned_quad *, int);
|
||||
int stbtt_PackFontRangesGatherRects(stbtt_pack_context *,
|
||||
const stbtt_fontinfo *, stbtt_pack_range *,
|
||||
int, stbrp_rect *);
|
||||
void stbtt_PackFontRangesPackRects(stbtt_pack_context *, stbrp_rect *, int);
|
||||
int stbtt_PackFontRangesRenderIntoRects(stbtt_pack_context *,
|
||||
const stbtt_fontinfo *,
|
||||
stbtt_pack_range *, int, stbrp_rect *);
|
||||
int stbtt_GetNumberOfFonts(const unsigned char *);
|
||||
int stbtt_GetFontOffsetForIndex(const unsigned char *, int);
|
||||
int stbtt_InitFont(stbtt_fontinfo *, const unsigned char *, int);
|
||||
int stbtt_FindGlyphIndex(const stbtt_fontinfo *, int);
|
||||
float stbtt_ScaleForPixelHeight(const stbtt_fontinfo *, float);
|
||||
float stbtt_ScaleForMappingEmToPixels(const stbtt_fontinfo *, float);
|
||||
void stbtt_GetFontVMetrics(const stbtt_fontinfo *, int *, int *, int *);
|
||||
int stbtt_GetFontVMetricsOS2(const stbtt_fontinfo *, int *, int *, int *);
|
||||
void stbtt_GetFontBoundingBox(const stbtt_fontinfo *, int *, int *, int *,
|
||||
int *);
|
||||
void stbtt_GetCodepointHMetrics(const stbtt_fontinfo *, int, int *, int *);
|
||||
int stbtt_GetCodepointKernAdvance(const stbtt_fontinfo *, int, int);
|
||||
int stbtt_GetCodepointBox(const stbtt_fontinfo *, int, int *, int *, int *,
|
||||
int *);
|
||||
void stbtt_GetGlyphHMetrics(const stbtt_fontinfo *, int, int *, int *);
|
||||
int stbtt_GetGlyphKernAdvance(const stbtt_fontinfo *, int, int);
|
||||
int stbtt_GetGlyphBox(const stbtt_fontinfo *, int, int *, int *, int *, int *);
|
||||
int stbtt_GetKerningTableLength(const stbtt_fontinfo *);
|
||||
int stbtt_GetKerningTable(const stbtt_fontinfo *, stbtt_kerningentry *, int);
|
||||
int stbtt_IsGlyphEmpty(const stbtt_fontinfo *, int);
|
||||
int stbtt_GetCodepointShape(const stbtt_fontinfo *, int, stbtt_vertex **);
|
||||
int stbtt_GetGlyphShape(const stbtt_fontinfo *, int, stbtt_vertex **);
|
||||
void stbtt_FreeShape(const stbtt_fontinfo *, stbtt_vertex *);
|
||||
unsigned char *stbtt_FindSVGDoc(const stbtt_fontinfo *, int);
|
||||
int stbtt_GetCodepointSVG(const stbtt_fontinfo *, int, const char **);
|
||||
int stbtt_GetGlyphSVG(const stbtt_fontinfo *, int, const char **);
|
||||
void stbtt_FreeBitmap(unsigned char *, void *);
|
||||
void *stbtt_GetCodepointBitmap(const stbtt_fontinfo *, float, float, int, int *,
|
||||
int *, int *, int *);
|
||||
void *stbtt_GetCodepointBitmapSubpixel(const stbtt_fontinfo *, float, float,
|
||||
float, float, int, int *, int *, int *,
|
||||
int *);
|
||||
void stbtt_MakeCodepointBitmap(const stbtt_fontinfo *, unsigned char *, int,
|
||||
int, int, float, float, int);
|
||||
void stbtt_MakeCodepointBitmapSubpixel(const stbtt_fontinfo *, unsigned char *,
|
||||
int, int, int, float, float, float,
|
||||
float, int);
|
||||
void stbtt_MakeCodepointBitmapSubpixelPrefilter(const stbtt_fontinfo *,
|
||||
unsigned char *, int, int, int,
|
||||
float, float, float, float, int,
|
||||
int, float *, float *, int);
|
||||
void stbtt_GetCodepointBitmapBox(const stbtt_fontinfo *, int, float, float,
|
||||
int *, int *, int *, int *);
|
||||
void stbtt_GetCodepointBitmapBoxSubpixel(const stbtt_fontinfo *, int, float,
|
||||
float, float, float, int *, int *,
|
||||
int *, int *);
|
||||
unsigned char *stbtt_GetGlyphBitmap(const stbtt_fontinfo *, float, float, int,
|
||||
int *, int *, int *, int *);
|
||||
unsigned char *stbtt_GetGlyphBitmapSubpixel(const stbtt_fontinfo *, float,
|
||||
float, float, float, int, int *,
|
||||
int *, int *, int *);
|
||||
void stbtt_MakeGlyphBitmap(const stbtt_fontinfo *, unsigned char *, int, int,
|
||||
int, float, float, int);
|
||||
void stbtt_MakeGlyphBitmapSubpixel(const stbtt_fontinfo *, unsigned char *, int,
|
||||
int, int, float, float, float, float, int);
|
||||
void stbtt_MakeGlyphBitmapSubpixelPrefilter(const stbtt_fontinfo *,
|
||||
unsigned char *, int, int, int,
|
||||
float, float, float, float, int,
|
||||
int, float *, float *, int);
|
||||
void stbtt_GetGlyphBitmapBox(const stbtt_fontinfo *, int, float, float, int *,
|
||||
int *, int *, int *);
|
||||
void stbtt_GetGlyphBitmapBoxSubpixel(const stbtt_fontinfo *, int, float, float,
|
||||
float, float, int *, int *, int *, int *);
|
||||
void stbtt_Rasterize(stbtt__bitmap *, float, stbtt_vertex *, int, float, float,
|
||||
float, float, int, int, int, void *);
|
||||
void stbtt_FreeSDF(unsigned char *, void *);
|
||||
unsigned char *stbtt_GetGlyphSDF(const stbtt_fontinfo *, float, int, int,
|
||||
unsigned char, float, int *, int *, int *,
|
||||
int *);
|
||||
unsigned char *stbtt_GetCodepointSDF(const stbtt_fontinfo *, float, int, int,
|
||||
unsigned char, float, int *, int *, int *,
|
||||
int *);
|
||||
int stbtt_FindMatchingFont(const unsigned char *, const char *, int);
|
||||
int stbtt_CompareUTF8toUTF16_bigendian(const char *, int, const char *, int);
|
||||
const char *stbtt_GetFontNameString(const stbtt_fontinfo *, int *, int, int,
|
||||
int, int);
|
||||
|
||||
COSMOPOLITAN_C_END_
|
||||
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
|
||||
#endif /* COSMOPOLITAN_THIRD_PARTY_STB_STB_TRUETYPE_H_ */
|
||||
11
third_party/stb/stb_vorbis.c
vendored
11
third_party/stb/stb_vorbis.c
vendored
|
|
@ -616,7 +616,7 @@ static void add_entry(Codebook *c, uint32 huff_code, int symbol, int count,
|
|||
static int compute_codewords(Codebook *c, uint8 *len, int n, uint32 *values) {
|
||||
int i, k, m = 0;
|
||||
uint32 available[32];
|
||||
memset(available, 0, sizeof(available));
|
||||
bzero(available, sizeof(available));
|
||||
// find the first entry
|
||||
for (k = 0; k < n; ++k)
|
||||
if (len[k] < NO_CODE) break;
|
||||
|
|
@ -1642,8 +1642,11 @@ static void decode_residue(vorb *f, float *residue_buffers[], int ch, int n,
|
|||
|
||||
CHECK(f);
|
||||
|
||||
for (i = 0; i < ch; ++i)
|
||||
if (!do_not_decode[i]) memset(residue_buffers[i], 0, sizeof(float) * n);
|
||||
for (i = 0; i < ch; ++i) {
|
||||
if (!do_not_decode[i]) {
|
||||
bzero(residue_buffers[i], sizeof(float) * n);
|
||||
}
|
||||
}
|
||||
|
||||
if (rtype == 2 && ch != 1) {
|
||||
for (j = 0; j < ch; ++j)
|
||||
|
|
@ -2913,7 +2916,7 @@ static int vorbis_decode_packet_rest(vorb *f, int *len, Mode *m, int left_start,
|
|||
#ifndef STB_VORBIS_NO_DEFER_FLOOR
|
||||
for (i = 0; i < f->channels; ++i) {
|
||||
if (really_zero_channel[i]) {
|
||||
memset(f->channel_buffers[i], 0, sizeof(*f->channel_buffers[i]) * n2);
|
||||
bzero(f->channel_buffers[i], sizeof(*f->channel_buffers[i]) * n2);
|
||||
} else {
|
||||
do_floor(f, map, i, n, f->channel_buffers[i], f->finalY[i], NULL);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue