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Add ImGui bindings to Lua

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wheremyfoodat 2025-02-11 21:41:16 +02:00
parent da797831ba
commit d29e76da8c
212 changed files with 49453 additions and 21919 deletions
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55
third_party/imgui/misc/fonts/binary_to_compressed_c.cpp vendored
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@ -15,7 +15,7 @@
// You can also find a precompiled Windows binary in the binary/demo package available from https://github.com/ocornut/imgui
// Usage:
// binary_to_compressed_c.exe [-base85] [-nocompress] <inputfile> <symbolname>
// binary_to_compressed_c.exe [-base85] [-nocompress] [-nostatic] <inputfile> <symbolname>
// Usage example:
// # binary_to_compressed_c.exe myfont.ttf MyFont > myfont.cpp
// # binary_to_compressed_c.exe -base85 myfont.ttf MyFont > myfont.cpp
@ -31,23 +31,25 @@ typedef unsigned int stb_uint;
typedef unsigned char stb_uchar;
stb_uint stb_compress(stb_uchar* out, stb_uchar* in, stb_uint len);
static bool binary_to_compressed_c(const char* filename, const char* symbol, bool use_base85_encoding, bool use_compression);
static bool binary_to_compressed_c(const char* filename, const char* symbol, bool use_base85_encoding, bool use_compression, bool use_static);
int main(int argc, char** argv)
{
if (argc < 3)
{
printf("Syntax: %s [-base85] [-nocompress] <inputfile> <symbolname>\n", argv[0]);
printf("Syntax: %s [-base85] [-nocompress] [-nostatic] <inputfile> <symbolname>\n", argv[0]);
return 0;
}
int argn = 1;
bool use_base85_encoding = false;
bool use_compression = true;
if (argv[argn][0] == '-')
bool use_static = true;
while (argn < (argc - 2) && argv[argn][0] == '-')
{
if (strcmp(argv[argn], "-base85") == 0) { use_base85_encoding = true; argn++; }
else if (strcmp(argv[argn], "-nocompress") == 0) { use_compression = false; argn++; }
else if (strcmp(argv[argn], "-nostatic") == 0) { use_static = false; argn++; }
else
{
fprintf(stderr, "Unknown argument: '%s'\n", argv[argn]);
@ -55,7 +57,7 @@ int main(int argc, char** argv)
}
}
bool ret = binary_to_compressed_c(argv[argn], argv[argn + 1], use_base85_encoding, use_compression);
bool ret = binary_to_compressed_c(argv[argn], argv[argn + 1], use_base85_encoding, use_compression, use_static);
if (!ret)
fprintf(stderr, "Error opening or reading file: '%s'\n", argv[argn]);
return ret ? 0 : 1;
@ -64,10 +66,10 @@ int main(int argc, char** argv)
char Encode85Byte(unsigned int x)
{
x = (x % 85) + 35;
return (x >= '\\') ? x + 1 : x;
return (char)((x >= '\\') ? x + 1 : x);
}
bool binary_to_compressed_c(const char* filename, const char* symbol, bool use_base85_encoding, bool use_compression)
bool binary_to_compressed_c(const char* filename, const char* symbol, bool use_base85_encoding, bool use_compression, bool use_static)
{
// Read file
FILE* f = fopen(filename, "rb");
@ -90,10 +92,11 @@ bool binary_to_compressed_c(const char* filename, const char* symbol, bool use_b
FILE* out = stdout;
fprintf(out, "// File: '%s' (%d bytes)\n", filename, (int)data_sz);
fprintf(out, "// Exported using binary_to_compressed_c.cpp\n");
const char* static_str = use_static ? "static " : "";
const char* compressed_str = use_compression ? "compressed_" : "";
if (use_base85_encoding)
{
fprintf(out, "static const char %s_%sdata_base85[%d+1] =\n \"", symbol, compressed_str, (int)((compressed_sz + 3) / 4)*5);
fprintf(out, "%sconst char %s_%sdata_base85[%d+1] =\n \"", static_str, symbol, compressed_str, (int)((compressed_sz + 3) / 4)*5);
char prev_c = 0;
for (int src_i = 0; src_i < compressed_sz; src_i += 4)
{
@ -112,8 +115,8 @@ bool binary_to_compressed_c(const char* filename, const char* symbol, bool use_b
}
else
{
fprintf(out, "static const unsigned int %s_%ssize = %d;\n", symbol, compressed_str, (int)compressed_sz);
fprintf(out, "static const unsigned int %s_%sdata[%d/4] =\n{", symbol, compressed_str, (int)((compressed_sz + 3) / 4)*4);
fprintf(out, "%sconst unsigned int %s_%ssize = %d;\n", static_str, symbol, compressed_str, (int)compressed_sz);
fprintf(out, "%sconst unsigned int %s_%sdata[%d/4] =\n{", static_str, symbol, compressed_str, (int)((compressed_sz + 3) / 4)*4);
int column = 0;
for (int i = 0; i < compressed_sz; i += 4)
{
@ -260,17 +263,17 @@ static int stb_compress_chunk(stb_uchar *history,
int best = 2, dist=0;
if (q+65536 > end)
match_max = end-q;
match_max = (stb_uint)(end-q);
else
match_max = 65536;
#define stb__nc(b,d) ((d) <= window && ((b) > 9 || stb_not_crap(b,d)))
#define stb__nc(b,d) ((d) <= window && ((b) > 9 || stb_not_crap((int)(b),(int)(d))))
#define STB__TRY(t,p) /* avoid retrying a match we already tried */ \
if (p ? dist != q-t : 1) \
if (p ? dist != (int)(q-t) : 1) \
if ((m = stb_matchlen(t, q, match_max)) > best) \
if (stb__nc(m,q-(t))) \
best = m, dist = q - (t)
best = m, dist = (int)(q - (t))
// rather than search for all matches, only try 4 candidate locations,
// chosen based on 4 different hash functions of different lengths.
@ -296,24 +299,24 @@ static int stb_compress_chunk(stb_uchar *history,
if (best < 3) { // fast path literals
++q;
} else if (best > 2 && best <= 0x80 && dist <= 0x100) {
outliterals(lit_start, q-lit_start); lit_start = (q += best);
outliterals(lit_start, (int)(q-lit_start)); lit_start = (q += best);
stb_out(0x80 + best-1);
stb_out(dist-1);
} else if (best > 5 && best <= 0x100 && dist <= 0x4000) {
outliterals(lit_start, q-lit_start); lit_start = (q += best);
outliterals(lit_start, (int)(q-lit_start)); lit_start = (q += best);
stb_out2(0x4000 + dist-1);
stb_out(best-1);
} else if (best > 7 && best <= 0x100 && dist <= 0x80000) {
outliterals(lit_start, q-lit_start); lit_start = (q += best);
outliterals(lit_start, (int)(q-lit_start)); lit_start = (q += best);
stb_out3(0x180000 + dist-1);
stb_out(best-1);
} else if (best > 8 && best <= 0x10000 && dist <= 0x80000) {
outliterals(lit_start, q-lit_start); lit_start = (q += best);
outliterals(lit_start, (int)(q-lit_start)); lit_start = (q += best);
stb_out3(0x100000 + dist-1);
stb_out2(best-1);
} else if (best > 9 && dist <= 0x1000000) {
if (best > 65536) best = 65536;
outliterals(lit_start, q-lit_start); lit_start = (q += best);
outliterals(lit_start, (int)(q-lit_start)); lit_start = (q += best);
if (best <= 0x100) {
stb_out(0x06);
stb_out3(dist-1);
@ -333,10 +336,10 @@ static int stb_compress_chunk(stb_uchar *history,
q = start+length;
// the literals are everything from lit_start to q
*pending_literals = (q - lit_start);
*pending_literals = (int)(q - lit_start);
stb__running_adler = stb_adler32(stb__running_adler, start, q - start);
return q - start;
stb__running_adler = stb_adler32(stb__running_adler, start, (stb_uint)(q - start));
return (int)(q - start);
}
static int stb_compress_inner(stb_uchar *input, stb_uint length)
@ -346,9 +349,9 @@ static int stb_compress_inner(stb_uchar *input, stb_uint length)
stb_uchar **chash;
chash = (stb_uchar**) malloc(stb__hashsize * sizeof(stb_uchar*));
if (chash == NULL) return 0; // failure
if (chash == nullptr) return 0; // failure
for (i=0; i < stb__hashsize; ++i)
chash[i] = NULL;
chash[i] = nullptr;
// stream signature
stb_out(0x57); stb_out(0xbc);
@ -377,9 +380,9 @@ static int stb_compress_inner(stb_uchar *input, stb_uint length)
stb_uint stb_compress(stb_uchar *out, stb_uchar *input, stb_uint length)
{
stb__out = out;
stb__outfile = NULL;
stb__outfile = nullptr;
stb_compress_inner(input, length);
return stb__out - out;
return (stb_uint)(stb__out - out);
}