Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
Failed DLL Call
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Titre:
Divers
Thread ID:
00761081
Message ID:
00763225
Vues:
20
Thank you very much.

>Download Heap allocation class File #9482. It has NumToLong method you can use.
oHeap = NEWOBJECT("heap", "clsheap.fxp")
>lcRect = ;
>	oHeap.NumToLonf(10) + ;
>	oHeap.NumToLonf(0) + ;
>	oHeap.NumToLonf(100) + ;
>	oHeap.NumToLonf(100)
>...
>oHeap = Null
This class has also some other usefull features for Windows API programming in VFP.
>
>>Hi to all
>>
>>I am using a dll (_ISource30.dll) from www.smalleranimals.com. One of the functions of this DLL is to write text on an image.
>>
>>A number of parameters are passed to the function. One of them is by reference and consist of 4 values (bounding rectangle for the text). The only way according to me is to pass them as values within an array. I cant get the function to draw text. The developers assured me that it is working.
>>
>>VB declare command:
>>Declare Function IS3DrawSmoothTextOnRGB Lib "_
>>ISource30.dll" Alias "_
>>IS3DrawSmoothTextOnRGB" ( _
>> ByVal pRGB As Long, _
>> ByVal uWidth As Long, _
>> ByVal uHeight As Long, _
>> ByVal uRowStride As Long, _
>> ByVal pText As String, _
>> ByVal pFontName As String, _
>> ByVal uFontHeight As Long, _
>> ByVal uSmoothingFactor As Long, _
>> ByRef pTextRect As RECT, _
>> ByVal uDrawFlags As Long, _
>> ByVal uFlags As Long, _
>> ByVal textColor As Long) As Boolean
>>
>>C Declare
>>_IS3EXP_ BOOL IS3CALL _IS3DrawSmoothTextOnRGB(BYTE *pRGB,
>>UINT32 uWidth,
>>UINT32 uHeight,
>>UINT32 uRowStride,
>>const char *pText,
>>const char *pFontName,
>>UINT32 uFontHeight,
>>UINT32 uSmoothingFactor,
>>const RECT * pTextRect,
>>UINT32 uDrawFlags,
>>UINT32 uFlags,
>>COLORREF textColor);
>>
>>Code in C
>>UINT w = 300;
>> UINT h = 400;
>> BYTE *p = new BYTE[w * h * 3];
>> memset(p, 0, w * h * 3);
>> RECT rc = {10,0,100,100};
>>
>> IS3DrawTextOnRGB(p, w, h, w * 3, "TEST", "Arial", 80, &rc, DT_TOP, 0, RGB(255,0,0));
>> //IS3DrawSmoothTextOnRGB(p, w, h, w * 3, "TEST", "Arial", 80, 4, &rc, DT_TOP, 0, RGB(255,0,0));
>>
>> IS3DrawRGB(dc.m_hDC, p, w, h, 0, 0, w, h, NULL);
>>
>>My question:
>>
>>How to create the RECT * pTextRect var.
>>
>>Thanks in advance.
>>
>>Willie van Schalkwyk
Précédent
Suivant
Répondre
Fil
Voir

Click here to load this message in the networking platform