[Bug 38404] New: application display some too small fonts in high resolution

https://bugs.winehq.org/show_bug.cgi?id=38404

            Bug ID: 38404
           Summary: application display some too small fonts in high
                    resolution
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdi32
          Assignee: wine-bugs(a)winehq.org
          Reporter: gamiljydcome(a)gmail.com
      Distribution: Debian

my box is thinkpad w500, it's resolution is 1920x1200. i change dpi to 150 with
winecfg, so that applications can display readable text with correct font size
in most case, just if the app allows you change font size.

But, some of parts of the app setting text/fonts size (such as menu bar,
listview control, etc) when it programed, it does not allow change at all. YES
it's correct when you run the app with low resolution such as 1024x768, but it
can not be read in resolution 19200x1200 at all.

So i have to try to set most small font size in fontconfig.conf, hope freetype
can render such small font to be readable, but it's not working.

Now i change dlls/gdi32/freetype.c, force samll font setting by app calls to
readable size. code is here:

static HFONT freetype_SelectFont( PHYSDEV dev, HFONT hfont, UINT *aa_flags )
    lf.lfWidth = abs(lf.lfWidth);

+if(lf.lfHeight>-18 && lf.lfHeight<18){
+  if(lf.lfHeight>0) lf.lfHeight=18;
+  else lf.lfHeight=-18;
+}

In my case, the most small readable font size is upper 9, so if app call for
text small than 9, it will forcce change to size 9 to display.

My eyes happy now.

this code is not a good way to reolve this problem. it should be code in
somewhere automation: if set dpi with winecfg, forece make not readable font
size to be readable size calculated by setting dpi/high resolution.

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