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Changed ImTextCharToUtf8() to return bytes count rather than original pointer. (#8820)

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Amend c2bf4abfa1
This commit is contained in:
ocornut
2025-07-22 14:06:44 +09:00
parent 3401dbde92
commit ed5bd1f9ef
3 changed files with 12 additions and 7 deletions
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15
imgui.cpp
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@@ -2582,11 +2582,11 @@ static inline int ImTextCharToUtf8_inline(char* buf, int buf_size, unsigned int
return 0;
}
const char* ImTextCharToUtf8(char out_buf[5], unsigned int c)
int ImTextCharToUtf8(char out_buf[5], unsigned int c)
{
int count = ImTextCharToUtf8_inline(out_buf, 5, c);
out_buf[count] = 0;
return out_buf;
return count;
}
// Not optimal but we very rarely use this function.
@@ -16922,8 +16922,10 @@ void ImGui::DebugNodeFont(ImFont* font)
#endif
char c_str[5];
Text("Fallback character: '%s' (U+%04X)", ImTextCharToUtf8(c_str, font->FallbackChar), font->FallbackChar);
Text("Ellipsis character: '%s' (U+%04X)", ImTextCharToUtf8(c_str, font->EllipsisChar), font->EllipsisChar);
ImTextCharToUtf8(c_str, font->FallbackChar);
Text("Fallback character: '%s' (U+%04X)", c_str, font->FallbackChar);
ImTextCharToUtf8(c_str, font->EllipsisChar);
Text("Ellipsis character: '%s' (U+%04X)", c_str, font->EllipsisChar);
for (int src_n = 0; src_n < font->Sources.Size; src_n++)
{
@@ -16965,7 +16967,10 @@ void ImGui::DebugNodeFont(ImFont* font)
{
char utf8_buf[5];
for (unsigned int n = c; n < c_end; n++)
BulletText("Codepoint U+%04X (%s)", n, ImTextCharToUtf8(utf8_buf, n));
{
ImTextCharToUtf8(utf8_buf, n);
BulletText("Codepoint U+%04X (%s)", n, utf8_buf);
}
TreePop();
}
TableNextColumn();

2
imgui.h
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@@ -29,7 +29,7 @@
// Library Version
// (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
#define IMGUI_VERSION "1.92.2 WIP"
#define IMGUI_VERSION_NUM 19211
#define IMGUI_VERSION_NUM 19212
#define IMGUI_HAS_TABLE // Added BeginTable() - from IMGUI_VERSION_NUM >= 18000
#define IMGUI_HAS_TEXTURES // Added ImGuiBackendFlags_RendererHasTextures - from IMGUI_VERSION_NUM >= 19198

2
imgui_internal.h
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@@ -417,7 +417,7 @@ IMGUI_API const char* ImParseFormatSanitizeForScanning(const char* fmt_in, cha
IMGUI_API int ImParseFormatPrecision(const char* format, int default_value);
// Helpers: UTF-8 <> wchar conversions
IMGUI_API const char* ImTextCharToUtf8(char out_buf[5], unsigned int c); // return out_buf
IMGUI_API int ImTextCharToUtf8(char out_buf[5], unsigned int c); // return output UTF-8 bytes count
IMGUI_API int ImTextStrToUtf8(char* out_buf, int out_buf_size, const ImWchar* in_text, const ImWchar* in_text_end); // return output UTF-8 bytes count
IMGUI_API int ImTextCharFromUtf8(unsigned int* out_char, const char* in_text, const char* in_text_end); // read one character. return input UTF-8 bytes count
IMGUI_API int ImTextStrFromUtf8(ImWchar* out_buf, int out_buf_size, const char* in_text, const char* in_text_end, const char** in_remaining = NULL); // return input UTF-8 bytes count