Internals: move "%s" skip-formatting logic to ImFormatStringToTempBuffer() function, meaning Text() and all the *V() functions can also benefit from it. (#3466)

Amend 645a6e0 and 23a785a.
This commit is contained in:
ocornut
2023-01-27 15:24:23 +01:00
parent d73e3285de
commit 27f2dd56d6
3 changed files with 29 additions and 20 deletions

View File

@ -1805,18 +1805,36 @@ void ImFormatStringToTempBuffer(const char** out_buf, const char** out_buf_end,
ImGuiContext& g = *GImGui;
va_list args;
va_start(args, fmt);
int buf_len = ImFormatStringV(g.TempBuffer.Data, g.TempBuffer.Size, fmt, args);
*out_buf = g.TempBuffer.Data;
if (out_buf_end) { *out_buf_end = g.TempBuffer.Data + buf_len; }
if (fmt[0] == '%' && fmt[1] == 's' && fmt[2] == 0)
{
const char* buf = va_arg(args, const char*); // Skip formatting when using "%s"
*out_buf = buf;
if (out_buf_end) { *out_buf_end = buf + strlen(buf); }
}
else
{
int buf_len = ImFormatStringV(g.TempBuffer.Data, g.TempBuffer.Size, fmt, args);
*out_buf = g.TempBuffer.Data;
if (out_buf_end) { *out_buf_end = g.TempBuffer.Data + buf_len; }
}
va_end(args);
}
void ImFormatStringToTempBufferV(const char** out_buf, const char** out_buf_end, const char* fmt, va_list args)
{
ImGuiContext& g = *GImGui;
int buf_len = ImFormatStringV(g.TempBuffer.Data, g.TempBuffer.Size, fmt, args);
*out_buf = g.TempBuffer.Data;
if (out_buf_end) { *out_buf_end = g.TempBuffer.Data + buf_len; }
if (fmt[0] == '%' && fmt[1] == 's' && fmt[2] == 0)
{
const char* buf = va_arg(args, const char*); // Skip formatting when using "%s"
*out_buf = buf;
if (out_buf_end) { *out_buf_end = buf + strlen(buf); }
}
else
{
int buf_len = ImFormatStringV(g.TempBuffer.Data, g.TempBuffer.Size, fmt, args);
*out_buf = g.TempBuffer.Data;
if (out_buf_end) { *out_buf_end = g.TempBuffer.Data + buf_len; }
}
}
// CRC32 needs a 1KB lookup table (not cache friendly)