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

This allow to use added variables in other source files via extern declaration.

docs/CHANGELOG.txt

@@ -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]
 

misc/fonts/binary_to_compressed_c.cpp

@@ -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, "%sconst unsigned int %s_%ssize = %d;\n", static_str, 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_%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)
         {