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https://github.com/Drezil/imgui.git
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Merge branch 'features/ellipsis_rendering'
# Conflicts: # imgui.cpp
This commit is contained in:
@ -1426,6 +1426,7 @@ ImFontConfig::ImFontConfig()
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MergeMode = false;
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RasterizerFlags = 0x00;
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RasterizerMultiply = 1.0f;
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EllipsisChar = (ImWchar)-1;
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memset(Name, 0, sizeof(Name));
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DstFont = NULL;
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}
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@ -1618,6 +1619,9 @@ ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
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memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize);
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}
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if (new_font_cfg.DstFont->EllipsisChar == (ImWchar)-1)
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new_font_cfg.DstFont->EllipsisChar = font_cfg->EllipsisChar;
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// Invalidate texture
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ClearTexData();
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return new_font_cfg.DstFont;
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@ -1652,6 +1656,7 @@ ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
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font_cfg.SizePixels = 13.0f * 1.0f;
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if (font_cfg.Name[0] == '\0')
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ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels);
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font_cfg.EllipsisChar = (ImWchar)0x0085;
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const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
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const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault();
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@ -2196,6 +2201,23 @@ void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
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for (int i = 0; i < atlas->Fonts.Size; i++)
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if (atlas->Fonts[i]->DirtyLookupTables)
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atlas->Fonts[i]->BuildLookupTable();
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// Ellipsis character is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis).
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// However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character.
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// FIXME: Also note that 0x2026 is currently seldomly included in our font ranges. Because of this we are more likely to use three individual dots.
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for (int i = 0; i < atlas->Fonts.size(); i++)
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{
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ImFont* font = atlas->Fonts[i];
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if (font->EllipsisChar != (ImWchar)-1)
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continue;
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const ImWchar ellipsis_variants[] = { (ImWchar)0x2026, (ImWchar)0x0085 };
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for (int j = 0; j < IM_ARRAYSIZE(ellipsis_variants); j++)
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if (font->FindGlyphNoFallback(ellipsis_variants[j]) != NULL) // Verify glyph exists
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{
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font->EllipsisChar = ellipsis_variants[j];
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break;
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}
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}
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}
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// Retrieve list of range (2 int per range, values are inclusive)
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@ -2465,6 +2487,7 @@ ImFont::ImFont()
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FontSize = 0.0f;
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FallbackAdvanceX = 0.0f;
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FallbackChar = (ImWchar)'?';
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EllipsisChar = (ImWchar)-1;
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DisplayOffset = ImVec2(0.0f, 0.0f);
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FallbackGlyph = NULL;
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ContainerAtlas = NULL;
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@ -3012,7 +3035,6 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
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// - RenderMouseCursor()
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// - RenderArrowPointingAt()
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// - RenderRectFilledRangeH()
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// - RenderPixelEllipsis()
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//-----------------------------------------------------------------------------
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void ImGui::RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor)
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@ -3122,18 +3144,6 @@ void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, Im
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draw_list->PathFillConvex(col);
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}
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// FIXME: Rendering an ellipsis "..." is a surprisingly tricky problem for us... we cannot rely on font glyph having it,
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// and regular dot are typically too wide. If we render a dot/shape ourselves it comes with the risk that it wouldn't match
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// the boldness or positioning of what the font uses...
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void ImGui::RenderPixelEllipsis(ImDrawList* draw_list, ImVec2 pos, ImU32 col, int count)
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{
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ImFont* font = draw_list->_Data->Font;
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const float font_scale = draw_list->_Data->FontSize / font->FontSize;
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pos.y += (float)(int)(font->DisplayOffset.y + font->Ascent * font_scale + 0.5f - 1.0f);
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for (int dot_n = 0; dot_n < count; dot_n++)
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draw_list->AddRectFilled(ImVec2(pos.x + dot_n * 2.0f, pos.y), ImVec2(pos.x + dot_n * 2.0f + 1.0f, pos.y + 1.0f), col);
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}
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//-----------------------------------------------------------------------------
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// [SECTION] Decompression code
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//-----------------------------------------------------------------------------
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