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  1. Core ReactOS
  2. CORE-4072

win32k: EngLineTo needs to be rewritten

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    Details

    • Type: Bug
    • Status: Open
    • Priority: Minor
    • Resolution: Unresolved
    • Fix Version/s: 0.5
    • Component/s: Win32SS
    • Labels:
    • Environment:

      Operating System: ReactOS
      Platform: x86 Hardware

      Description

      In DIB_16BPP_HLine():

      SurfObj->pvScan0 = 0xa2077000
      SurfObj->lDelta = 1600
      x1 = 50
      x2 = 96
      y = -4
      c = 0x6b37

      In EngLineTo():

      x1 = -4
      y1 = -4
      x2 = 804
      y2 = -4
      RectBounds =

      { -4; -4; 804; -4 }

      Clip = { 0xcdcdcdcd;

      { 50; -4; 96; 18 }

      ; 1; 1; 0; 0xcd }

      In IntGdiLineTo(), NtGdiLineTo():

      XEnd = 808
      YEnd = 0

      Memory at 0xA2075764 could not be written: Page not present.

      DIB_16BPP_HLine . dib/dib16bpp.c:51
      EngLineTo ....... eng/lineto.c:441
      IntEngLineTo .... eng/lineto.c:587
      IntGdiLineTo .... objects/line.c:147
      NtGdiLineTo ..... objects/line.c:390

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            • Assignee:
              ThePhysicist Timo Kreuzer
              Reporter:
              hto hto
            • Votes:
              1 Vote for this issue
              Watchers:
              1 Start watching this issue

              Dates

              • Created:
                Updated: