ImDrawList: Fixed clipping of leading lines above the clipping rectangle from counting in the worst case vertices reservation. (fix code added in #200!)
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@ -73,6 +73,7 @@ Other Changes:
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- Fixed PushID() from keeping alive the new ID Stack top value (if a previously active widget shared the ID it would be erroneously kept alive).
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- Fixed horizontal mouse wheel not forwarding the request to the parent window if ImGuiWindowFlags_NoScrollWithMouse is set. (#1463, #1380, #1502)
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- Fixed a include build issue for Cygwin in non-POSIX (Win32) mode. (#1917, #1319, #276)
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- ImDrawList: Fixed clipping of leading lines above the clipping rectangle from counting in the worst-case vertices reservation. (fix code added in #200!)
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- OS/Windows: Fixed missing ImmReleaseContext() call in the default Win32 IME handler. (#1932) [@vby]
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- Metrics: Changed io.MetricsActiveWindows to reflect the number of active windows (!= from visible windows), which is useful
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for lazy/idle render mechanisms as new windows are typically not visible for one frame.
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@ -2632,11 +2632,16 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
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const bool word_wrap_enabled = (wrap_width > 0.0f);
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const char* word_wrap_eol = NULL;
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// Skip non-visible lines
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// Fast-forward to first visible line
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const char* s = text_begin;
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if (!word_wrap_enabled && y + line_height < clip_rect.y)
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while (s < text_end && *s != '\n') // Fast-forward to next line
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s++;
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while (y + line_height < clip_rect.y)
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{
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while (s < text_end)
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if (*s++ == '\n')
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break;
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y += line_height;
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}
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// Reserve vertices for remaining worse case (over-reserving is useful and easily amortized)
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const int vtx_count_max = (int)(text_end - s) * 4;
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@ -2695,12 +2700,8 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
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{
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x = pos.x;
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y += line_height;
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if (y > clip_rect.w)
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break;
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if (!word_wrap_enabled && y + line_height < clip_rect.y)
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while (s < text_end && *s != '\n') // Fast-forward to next line
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s++;
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break; // break out of main loop
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continue;
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}
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if (c == '\r')
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