[fpc-devel] Patch, font rendering on Arm-Linux devices.

[Luiz Americo Pereira Camara]

Jonas Maebe wrote:
>
> On 29 Feb 2008, at 01:55, Luiz Americo Pereira Camara wrote:
>
>> One more question:
>>
>> The VirtualTreeView tries to make the fields of the (packed) record 
>> aligned at dword boundary by grouping together smaller (one or two 
>> byte fields) or adding dummy fields. Does this trick overrides the 
>> unaligned memory access?
>
> Not at this time.
>

Due to differences in sets size, the layout is different between fpc and 
Delphi.

Using packed records i save 4 bytes per record.

Compiled under Delphi the structure is bellow.

The question is: using the layout below with packed (i can force the set 
size to be equal to Delphi) i still have unaligned memory access?

Index Size: 4 Offset: 0
ChildCount Size: 4 Offset: 4
NodeHeight Size: 2 Offset: 8
States Size: 2 Offset: 10
Align Size: 1 Offset: 12
CheckState Size: 1 Offset: 13
CheckType Size: 1 Offset: 14
Dummy Size: 1 Offset: 15

Luiz