[G32-commits] [graphics32/graphics32] b5dc2c: Fix: Size check in TCustomBitmap32.ChangeSize vali...

[Anders M. <no...@gi...>]

  Branch: refs/heads/BugFixCatchup
  Home:   https://github.com/graphics32/graphics32
  Commit: b5dc2c7608345f684dd25d7519e321c05ee5ffd5
      https://github.com/graphics32/graphics32/commit/b5dc2c7608345f684dd25d7519e321c05ee5ffd5
  Author: Anders Melander <an...@me...>
  Date:   2026-01-22 (Thu, 22 Jan 2026)

  Changed paths:
    M Source/GR32.pas

  Log Message:
  -----------
  Fix: Size check in TCustomBitmap32.ChangeSize validated old size instead of new


  Commit: 52970e4894f59b0b3fe741c738baa95b752a4d24
      https://github.com/graphics32/graphics32/commit/52970e4894f59b0b3fe741c738baa95b752a4d24
  Author: Anders Melander <an...@me...>
  Date:   2026-01-22 (Thu, 22 Jan 2026)

  Changed paths:
    M Source/GR32_Backends_Generic.pas

  Log Message:
  -----------
  Fix: TMMFBackend.CreateFileMapping

- Incorrect use of INVALID_HANDLE_VALUE for file handle.
- Failure to set MapFileHandle when old file was closed.
- Size larger than 2^32 wasn't handled.
- File wasn't closed if file mapping failed.
- Mapping handle was leaked if file mapping was in page file.


  Commit: 17e50eb010cfc540bb8b26b8a952aad2ac21826e
      https://github.com/graphics32/graphics32/commit/17e50eb010cfc540bb8b26b8a952aad2ac21826e
  Author: Anders Melander <an...@me...>
  Date:   2026-01-22 (Thu, 22 Jan 2026)

  Changed paths:
    M Source/GR32_OrdinalMaps.pas

  Log Message:
  -----------
  Fix: Temporary bytemap was leaked in TByteMap.Downsample


  Commit: 7a7df71135926b56426b5e9f6b35765d02abdf8a
      https://github.com/graphics32/graphics32/commit/7a7df71135926b56426b5e9f6b35765d02abdf8a
  Author: Anders Melander <an...@me...>
  Date:   2026-01-22 (Thu, 22 Jan 2026)

  Changed paths:
    M Source/GR32.Math.Complex.pas

  Log Message:
  -----------
  Fix: TComplex.SinH implementation was just a copy of TComplex.CosH

This bug indirectly affected all the other TComplex trigonometric functions.


  Commit: 5fe2930faa3dc5038eb18ff2a5de4fdd40d36424
      https://github.com/graphics32/graphics32/commit/5fe2930faa3dc5038eb18ff2a5de4fdd40d36424
  Author: Anders Melander <an...@me...>
  Date:   2026-01-22 (Thu, 22 Jan 2026)

  Changed paths:
    M Source/GR32.ImageFormats.pas

  Log Message:
  -----------
  Fix: Off-by-one causing buffer overflow in CheckFileSignatureComposite (deprecated function)


  Commit: 165aa2d70ff01ceccdd53893dd4cb59c1cedb7bc
      https://github.com/graphics32/graphics32/commit/165aa2d70ff01ceccdd53893dd4cb59c1cedb7bc
  Author: Anders Melander <an...@me...>
  Date:   2026-01-22 (Thu, 22 Jan 2026)

  Changed paths:
    M Source/GR32.Blend.Pascal.pas

  Log Message:
  -----------
  Fix: Incorrect bit shift in ColorExclusion blend function (Pascal version)


Compare: https://github.com/graphics32/graphics32/compare/b5dc2c760834%5E...165aa2d70ff0

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