diff --git a/imgui.h b/imgui.h index 195cdccb..bdcf10f2 100644 --- a/imgui.h +++ b/imgui.h @@ -1435,6 +1435,7 @@ struct ImFont // 'wrap_width' enable automatic word-wrapping across multiple lines to fit into given width. 0.0f to disable. IMGUI_API ImVec2 CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end = NULL, const char** remaining = NULL) const; // utf8 IMGUI_API const char* CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const; + IMGUI_API void RenderGlyph(ImDrawList* draw_list, ImVec2 pos, ImU32 col, const ImFont::Glyph* glyph) const; IMGUI_API void RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, unsigned short c) const; IMGUI_API void RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width = 0.0f, bool cpu_fine_clip = false) const; diff --git a/imgui_draw.cpp b/imgui_draw.cpp index d1ee8cbd..0de4f49a 100644 --- a/imgui_draw.cpp +++ b/imgui_draw.cpp @@ -2050,6 +2050,15 @@ ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, cons return text_size; } +void ImFont::RenderGlyph(ImDrawList* draw_list, ImVec2 pos, ImU32 col, const ImFont::Glyph* glyph) const { + pos.x = (float)(int)pos.x + DisplayOffset.x; + pos.y = (float)(int)pos.y + DisplayOffset.y; + ImVec2 pos_tl(pos.x + glyph->X0, pos.y + glyph->Y0); + ImVec2 pos_br(pos.x + glyph->X1, pos.y + glyph->Y1); + draw_list->PrimReserve(6, 4); + draw_list->PrimRectUV(pos_tl, pos_br, ImVec2(glyph->U0, glyph->V0), ImVec2(glyph->U1, glyph->V1), col); +} + void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, unsigned short c) const { if (c == ' ' || c == '\t' || c == '\n' || c == '\r') // Match behavior of RenderText(), those 4 codepoints are hard-coded.