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Fonts: binary_to_compressed_c.cpp gained -nostatic option (#5021)

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This allow to use added variables in other source files via extern declaration.
This commit is contained in:
Konstantin Podsvirov 2022-02-15 22:16:55 +03:00 committed by ocornut
parent 8d3906365d
commit 7ff41a78f9
2 changed files with 13 additions and 9 deletions
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1
docs/CHANGELOG.txt
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@ -41,6 +41,7 @@ Other Changes:
- Stack Tool: Added option to copy item path to clipboard. (#4631)
- Misc: Added constexpr to ImVec2/ImVec4 inline constructors. (#4995) [@Myriachan]
- Misc: binary_to_compressed_c tool: Added -nostatic option. (#5021) [@podsvirov]
- ImVector: Fixed erase() with empty range. (#5009) [@thedmd]
- Drawlist: Fixed PathArcTo() emitting terminating vertices too close to arc vertices. (#4993) [@thedmd]

21
misc/fonts/binary_to_compressed_c.cpp
View File

@ -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;
@ -67,7 +69,7 @@ char Encode85Byte(unsigned int x)
return (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)
{