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Clean up number rounding. Now it is more obvious what code is doing. (#2862)

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Add IM_ROUND() macro
Replace IM_FLOOR(n + 0.5f) and ImFloor(n + 0.5f) with IM_ROUND(n)
This commit is contained in:
Rokas Kupstys
2019-10-29 17:04:13 +01:00
committed by omar
parent 0b2d35f63f
commit c863c1f6a1
5 changed files with 24 additions and 23 deletions
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4
imgui_draw.cpp
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@ -2069,7 +2069,7 @@ bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1));
ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent);
const float font_off_x = cfg.GlyphOffset.x;
const float font_off_y = cfg.GlyphOffset.y + ImFloor(dst_font->Ascent + 0.5f);
const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent);
for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
{
@ -2591,7 +2591,7 @@ void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1,
glyph.AdvanceX = advance_x + ConfigData->GlyphExtraSpacing.x; // Bake spacing into AdvanceX
if (ConfigData->PixelSnapH)
glyph.AdvanceX = IM_FLOOR(glyph.AdvanceX + 0.5f);
glyph.AdvanceX = IM_ROUND(glyph.AdvanceX);
// Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round)
DirtyLookupTables = true;