path: root/embedserv/source/inc/common.h
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authorTomaž Vajngerl <>2017-07-19 23:28:31 +0200
committerTomaž Vajngerl <>2017-07-20 18:26:24 +0200
commit3fdc41af6370a53f7db4e52104cfd3328ee40563 (patch)
tree3d29c37e366f6e81dd65d0b8be650c67b119f94e /embedserv/source/inc/common.h
parent37436815970b14f8940fc0c547862452a2dc3e1e (diff)
tdf#107166 improve AA mode selection, retry, more checks
Major problem when setting the render mode and the text antialias mode is that when you set the render mode to something that isn't compatible with the text antialias mode, then every next call will cause an error (invalid parameters). So we need to be sure that we never set incompatible modes. Additionally we just need to set it one time when we create the surface and not every time we draw. If we get the D2DERR_RECREATE_TARGET we can create a new render target and retry the whole call. Somethimes this is not possible so we try 3 times and the give up. We need to add more checks where we exit early or not continue with some calls as any additional calls could taint the draw state and some things wouldn't be drawn. For example if we calculate the sizes of 0 glyphs we shouldn't continue with binding the hDC with an "empty" rectangle. This will fail and cause some text that is called afterwards to not draw. Change-Id: Iabbdbd7956e90ea84aea96824c0d985ca9020c59 Reviewed-on: Tested-by: Jenkins <> Reviewed-by: Tomaž Vajngerl <>
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