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Text: Tweaked rendering of three-dots "..." ellipsis variant. Baking more data. (#2775, #4269)

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Ideally we're bake a single glyph but it's currently difficult to setup in our font building process.
This commit is contained in:
ocornut
2023-01-11 16:32:01 +01:00
parent 8801f02949
commit 1297a2be52
4 changed files with 27 additions and 33 deletions
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19
imgui_draw.cpp
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@ -3112,7 +3112,8 @@ ImFont::ImFont()
FallbackAdvanceX = 0.0f;
FallbackChar = (ImWchar)-1;
EllipsisChar = (ImWchar)-1;
DotChar = (ImWchar)-1;
EllipsisWidth = EllipsisCharStep = 0.0f;
EllipsisCharCount = 0;
FallbackGlyph = NULL;
ContainerAtlas = NULL;
ConfigData = NULL;
@ -3200,8 +3201,20 @@ void ImFont::BuildLookupTable()
const ImWchar dots_chars[] = { (ImWchar)'.', (ImWchar)0xFF0E };
if (EllipsisChar == (ImWchar)-1)
EllipsisChar = FindFirstExistingGlyph(this, ellipsis_chars, IM_ARRAYSIZE(ellipsis_chars));
if (DotChar == (ImWchar)-1)
DotChar = FindFirstExistingGlyph(this, dots_chars, IM_ARRAYSIZE(dots_chars));
const ImWchar dot_char = FindFirstExistingGlyph(this, dots_chars, IM_ARRAYSIZE(dots_chars));
if (EllipsisChar != (ImWchar)-1)
{
EllipsisCharCount = 1;
EllipsisWidth = EllipsisCharStep = FindGlyph(EllipsisChar)->X1;
}
else if (dot_char != (ImWchar)-1)
{
const ImFontGlyph* glyph = FindGlyph(dot_char);
EllipsisChar = dot_char;
EllipsisCharCount = 3;
EllipsisCharStep = (glyph->X1 - glyph->X0) + 1.0f;
EllipsisWidth = EllipsisCharStep * 3.0f - 1.0f;
}
// Setup fallback character
const ImWchar fallback_chars[] = { (ImWchar)IM_UNICODE_CODEPOINT_INVALID, (ImWchar)'?', (ImWchar)' ' };