From 201fcfd2e52b4c7c03de8448e03f09fb7fd0ec26 Mon Sep 17 00:00:00 2001 From: ice1000 Date: Tue, 11 Sep 2018 12:04:45 -0400 Subject: [PATCH] Internals: Replace unsigned short with ImWchar when dealing with character storage. (#2078) --- imgui.h | 4 ++-- imgui_draw.cpp | 28 ++++++++++++++-------------- 2 files changed, 16 insertions(+), 16 deletions(-) diff --git a/imgui.h b/imgui.h index 991c20fc5..3372e80f3 100644 --- a/imgui.h +++ b/imgui.h @@ -1920,7 +1920,7 @@ struct ImFont ImVec2 DisplayOffset; // = (0.f,0.f) // Offset font rendering by xx pixels ImVector Glyphs; // // All glyphs. ImVector IndexAdvanceX; // // Sparse. Glyphs->AdvanceX in a directly indexable way (more cache-friendly, for CalcTextSize functions which are often bottleneck in large UI). - ImVector IndexLookup; // // Sparse. Index glyphs by Unicode code-point. + ImVector IndexLookup; // // Sparse. Index glyphs by Unicode code-point. const ImFontGlyph* FallbackGlyph; // == FindGlyph(FontFallbackChar) float FallbackAdvanceX; // == FallbackGlyph->AdvanceX ImWchar FallbackChar; // = '?' // Replacement glyph if one isn't found. Only set via SetFallbackChar() @@ -1949,7 +1949,7 @@ 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 RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, unsigned short c) const; + IMGUI_API void RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar 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; // [Internal] diff --git a/imgui_draw.cpp b/imgui_draw.cpp index dd30b4766..12f094dbe 100644 --- a/imgui_draw.cpp +++ b/imgui_draw.cpp @@ -1894,7 +1894,7 @@ bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas) continue; const int codepoint = range.first_unicode_codepoint_in_range + char_idx; - if (cfg.MergeMode && dst_font->FindGlyphNoFallback((unsigned short)codepoint)) + if (cfg.MergeMode && dst_font->FindGlyphNoFallback((ImWchar)codepoint)) continue; float char_advance_x_org = pc.xadvance; @@ -2316,21 +2316,21 @@ void ImFont::BuildLookupTable() { int codepoint = (int)Glyphs[i].Codepoint; IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX; - IndexLookup[codepoint] = (unsigned short)i; + IndexLookup[codepoint] = (ImWchar)i; } // Create a glyph to handle TAB // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?) - if (FindGlyph((unsigned short)' ')) + if (FindGlyph((ImWchar)' ')) { if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times Glyphs.resize(Glyphs.Size + 1); ImFontGlyph& tab_glyph = Glyphs.back(); - tab_glyph = *FindGlyph((unsigned short)' '); + tab_glyph = *FindGlyph((ImWchar)' '); tab_glyph.Codepoint = '\t'; tab_glyph.AdvanceX *= 4; IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX; - IndexLookup[(int)tab_glyph.Codepoint] = (unsigned short)(Glyphs.Size-1); + IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size-1); } FallbackGlyph = FindGlyphNoFallback(FallbackChar); @@ -2352,7 +2352,7 @@ void ImFont::GrowIndex(int new_size) if (new_size <= IndexLookup.Size) return; IndexAdvanceX.resize(new_size, -1.0f); - IndexLookup.resize(new_size, (unsigned short)-1); + IndexLookup.resize(new_size, (ImWchar)-1); } // x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero. @@ -2385,13 +2385,13 @@ void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst) IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function. int index_size = IndexLookup.Size; - if (dst < index_size && IndexLookup.Data[dst] == (unsigned short)-1 && !overwrite_dst) // 'dst' already exists + if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists return; if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op return; GrowIndex(dst + 1); - IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (unsigned short)-1; + IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1; IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f; } @@ -2399,8 +2399,8 @@ const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const { if (c >= IndexLookup.Size) return FallbackGlyph; - const unsigned short i = IndexLookup[c]; - if (i == (unsigned short)-1) + const ImWchar i = IndexLookup[c]; + if (i == (ImWchar)-1) return FallbackGlyph; return &Glyphs.Data[i]; } @@ -2409,8 +2409,8 @@ const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const { if (c >= IndexLookup.Size) return NULL; - const unsigned short i = IndexLookup[c]; - if (i == (unsigned short)-1) + const ImWchar i = IndexLookup[c]; + if (i == (ImWchar)-1) return NULL; return &Glyphs.Data[i]; } @@ -2608,7 +2608,7 @@ ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, cons return text_size; } -void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, unsigned short c) const +void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const { if (c == ' ' || c == '\t' || c == '\n' || c == '\r') // Match behavior of RenderText(), those 4 codepoints are hard-coded. return; @@ -2733,7 +2733,7 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col } float char_width = 0.0f; - if (const ImFontGlyph* glyph = FindGlyph((unsigned short)c)) + if (const ImFontGlyph* glyph = FindGlyph((ImWchar)c)) { char_width = glyph->AdvanceX * scale;