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This commit is contained in:
ocornut 2016-03-21 22:51:51 +01:00
parent b495a52fc0
commit 9260d46c2c
1 changed files with 4 additions and 4 deletions
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8
imgui_draw.cpp
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@ -1995,10 +1995,10 @@ void ImFont::RenderText(float size, ImVec2 pos, ImU32 col, const ImVec4& clip_re
{ {
char_width = glyph->XAdvance * scale; char_width = glyph->XAdvance * scale;
// Clipping on Y is more likely // Arbitrarily assume that both space and tabs are empty glyphs as an optimization
if (c != ' ' && c != '\t') if (c != ' ' && c != '\t')
{ {
// We don't do a second finer clipping test on the Y axis (TODO: do some measurement see if it is worth it, probably not) // We don't do a second finer clipping test on the Y axis as we've already skipped anything before clip_rect.y and exit once we pass clip_rect.w
float y1 = (float)(y + glyph->Y0 * scale); float y1 = (float)(y + glyph->Y0 * scale);
float y2 = (float)(y + glyph->Y1 * scale); float y2 = (float)(y + glyph->Y1 * scale);
@ -2042,8 +2042,8 @@ void ImFont::RenderText(float size, ImVec2 pos, ImU32 col, const ImVec4& clip_re
} }
} }
// NB: we are not calling PrimRectUV() here because non-inlined causes too much overhead in a debug build. // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug build.
// inlined: // Inlined here:
{ {
idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2); idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2);
idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3); idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3);