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[client,sdl] improve file to array helper

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Armin Novak 2023-12-18 10:25:41 +01:00 committed by akallabeth
parent dd7115889d
commit 35d584287d
1 changed files with 19 additions and 10 deletions
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29
client/SDL/dialogs/font/convert_font_to_c.cpp
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@ -9,10 +9,11 @@
static void usage(const char* prg)
{
fprintf(stderr, "%s <font file> <buffer file>\n", prg);
fprintf(stderr, "%s <font file> <buffer file without extension> <buffer name>\n", prg);
}
static int write_header(FILE* out, const char* outname, const char* font, size_t size)
static int write_header(FILE* out, const char* outname, const char* buffername, const char* font,
size_t size)
{
std::string header = outname;
auto pos = header.find_last_of("/");
@ -31,12 +32,15 @@ static int write_header(FILE* out, const char* outname, const char* font, size_t
fprintf(out, "#include <vector>\n");
fprintf(out, "#include \"%s.hpp\"\n", header.c_str());
fprintf(out, "\n");
fprintf(out, "const std::vector<unsigned char> font_buffer ={\n");
fprintf(out, "static std::vector<unsigned char> init();\n");
fprintf(out, "const std::vector<unsigned char> %s = init();\n\n", buffername);
fprintf(out, "std::vector<unsigned char> init() {\n");
fprintf(out, "static const unsigned char data[] = {\n");
return 0;
}
static int read(FILE* out, const char* font, const char* outname)
static int read(FILE* out, const char* font, const char* outname, const char* buffername)
{
FILE* fp = fopen(font, "rb");
if (!fp)
@ -49,7 +53,7 @@ static int read(FILE* out, const char* font, const char* outname)
off_t size = ftell(fp);
fseek(fp, 0, SEEK_SET);
const int rc = write_header(out, outname, font, static_cast<size_t>(size));
const int rc = write_header(out, outname, buffername, font, static_cast<size_t>(size));
if (rc != 0)
{
fclose(fp);
@ -78,6 +82,8 @@ static int read(FILE* out, const char* font, const char* outname)
static int write_trailer(FILE* out)
{
fprintf(out, "};\n");
fprintf(out, "return std::vector<unsigned char>(data, data + sizeof(data));\n");
fprintf(out, "};\n");
return 0;
}
@ -85,23 +91,26 @@ static int write_trailer(FILE* out)
int main(int argc, char* argv[])
{
int rc = -3;
if (argc != 3)
if (argc != 4)
{
usage(argv[0]);
return -1;
}
const char* font = argv[1];
const char* header = argv[2];
std::string header = argv[2];
const char* name = argv[3];
FILE* fp = fopen(header, "w");
header += ".cpp";
FILE* fp = fopen(header.c_str(), "w");
if (!fp)
{
fprintf(stderr, "Failed to open header file '%s'", header);
fprintf(stderr, "Failed to open header file '%s'", header.c_str());
return -2;
}
rc = read(fp, font, header);
rc = read(fp, font, header.c_str(), name);
if (rc != 0)
goto fail;
rc = write_trailer(fp);