ImDrawList: inline AddVtx() calls for profit in highly debug builds

Spacing

ImDrawList: internal refactoring toward a following commit for indexed rendering.

Tweaks.

Fix rounded frames to follow previous change

Renamed AddArcFast() parameter 'tris' to 'filled'

Merge branch 'master' of https://github.com/ocornut/imgui

Revert AddArcFast()->AddArc(), removed modulo from function 200d348

Merge pull request #191 from Extrawurst/patch-2 ...

Fixed unused variable warning.

fix unused variable warning by clang

Renamed ImDrawList::AddArc() to ImDrawList::AddArcFast() for compatibility with future API, and changed 2*PI range from 0..12 to 0..16

Merge pull request #188 from Extrawurst/patch-1 ...

Fix initialising ints with float literals

fix initialising ints with float literals

Update README.md

Update README.txt + screenshot

Fixed IsRootWindowOrAnyChildFocused() crashing if no window has focus (introduced yesterday in c38c54a)

Fixed user-facing version of IsItemHovered() ignoring overlapping windows

Added ShowMetricsWindow()

Added (not exposed) DisableHideTextAfterDoubleHash to disable ## processing.

Added IO.MetricsVertices counter

Examples: Formatting #187

Merge pull request #187 from heroboy/patch-1 ...

Examples: DirectX9: Set shaders to NULL to enforce using fixed pipeline.

set pixel shader and vertex shader to NULL ...

Previous graphic render may use shaders,so set pixel shader and vertex shader to NULL to force use fixed pipeline.

Examples: Fixed ShowExampleAppManipulatingWindowTitle() not doing the right thing, broken in ff35d24

Update README.txt

Update README.txt

Clicking on void loses keyboard-focus so application can use TAB back

Allow SetWindowFocus(NULL) to remove focus

Examples: OpenGL fixed-pipeline: added glBindTexture(0), via Anton M

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