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ImFont::RenderText() faster handling of rendering above clipping rect (useful for #200)

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ocornut 2015-06-18 12:41:48 -06:00
parent 846cfc74a2
commit 60079988bd
1 changed files with 7 additions and 1 deletions
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8
imgui.cpp
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@ -10095,7 +10095,13 @@ void ImFont::RenderText(float size, ImVec2 pos, ImU32 col, const ImVec4& clip_re
if (y1 > clip_rect.w) if (y1 > clip_rect.w)
break; break;
float y2 = (float)(y1 + glyph->Height * scale); float y2 = (float)(y1 + glyph->Height * scale);
if (y2 >= clip_rect.y) // FIMXE-OPT: could fast-forward until next line (without breaking word-wrapping) if (y2 < clip_rect.y)
{
// Fast-forward until next line
char_width = 0.0f;
while (s < text_end && *s != '\n') s++;
}
else
{ {
float x1 = (float)(x + glyph->XOffset * scale); float x1 = (float)(x + glyph->XOffset * scale);
float x2 = (float)(x1 + glyph->Width * scale); float x2 = (float)(x1 + glyph->Width * scale);