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Change calling convention to Cdcel
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The default DllImport calling convention is Winapi, which defaults to
Stdcall. x86 C++ libraries however use Cdecl as calling convention
instead.
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@eXpl0it3r
eXpl0it3r committed Nov 14, 2024
1 parent 5fd27b0 commit bbaa8c3
Showing 1 changed file with 65 additions and 65 deletions.
130 changes: 65 additions & 65 deletions PdfiumPrinter/NativeMethods.Pdfium.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -535,203 +535,203 @@ private static int FPDF_SaveBlock(IntPtr fileWrite, IntPtr data, uint size)

private static class Imports
{
[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDF_InitLibrary();

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDF_DestroyLibrary();

[DllImport("pdfium", CharSet = CharSet.Ansi)]
[DllImport("pdfium", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDF_LoadCustomDocument([MarshalAs(UnmanagedType.LPStruct)]FPDF_FILEACCESS access, string password);

[DllImport("pdfium", CharSet = CharSet.Ansi)]
[DllImport("pdfium", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDF_LoadMemDocument(SafeHandle data_buf, int size, string password);

[DllImport("pdfium", CharSet = CharSet.Ansi)]
[DllImport("pdfium", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDF_LoadMemDocument(byte[] data_buf, int size, string password);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDF_CloseDocument(IntPtr document);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern int FPDF_GetPageCount(IntPtr document);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern uint FPDF_GetDocPermissions(IntPtr document);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDFDOC_InitFormFillEnvironment(IntPtr document, FPDF_FORMFILLINFO formInfo);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDF_SetFormFieldHighlightColor(IntPtr hHandle, int fieldType, uint color);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDF_SetFormFieldHighlightAlpha(IntPtr hHandle, byte alpha);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FORM_DoDocumentJSAction(IntPtr hHandle);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FORM_DoDocumentOpenAction(IntPtr hHandle);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDFDOC_ExitFormFillEnvironment(IntPtr hHandle);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FORM_DoDocumentAAction(IntPtr hHandle, FPDFDOC_AACTION aaType);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDF_LoadPage(IntPtr document, int page_index);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDFText_LoadPage(IntPtr page);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FORM_OnAfterLoadPage(IntPtr page, IntPtr _form);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FORM_DoPageAAction(IntPtr page, IntPtr _form, FPDFPAGE_AACTION fPDFPAGE_AACTION);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern double FPDF_GetPageWidth(IntPtr page);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern double FPDF_GetPageHeight(IntPtr page);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FORM_OnBeforeClosePage(IntPtr page, IntPtr _form);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDFText_ClosePage(IntPtr text_page);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDF_ClosePage(IntPtr page);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDF_RenderPage(IntPtr dc, IntPtr page, int start_x, int start_y, int size_x, int size_y, int rotate, FPDF flags);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDF_RenderPageBitmap(IntPtr bitmapHandle, IntPtr page, int start_x, int start_y, int size_x, int size_y, int rotate, FPDF flags);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern int FPDF_GetPageSizeByIndex(IntPtr document, int page_index, out double width, out double height);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDFBitmap_CreateEx(int width, int height, int format, IntPtr first_scan, int stride);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDFBitmap_FillRect(IntPtr bitmapHandle, int left, int top, int width, int height, uint color);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDFBitmap_Destroy(IntPtr bitmapHandle);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDFText_FindStart(IntPtr page, byte[] findWhat, FPDF_SEARCH_FLAGS flags, int start_index);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern int FPDFText_GetSchResultIndex(IntPtr handle);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern int FPDFText_GetSchCount(IntPtr handle);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern int FPDFText_GetText(IntPtr page, int start_index, int count, byte[] result);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDFText_GetCharBox(IntPtr page, int index, out double left, out double right, out double bottom, out double top);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern int FPDFText_CountChars(IntPtr page);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern bool FPDFText_FindNext(IntPtr handle);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDFText_FindClose(IntPtr handle);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern bool FPDFLink_Enumerate(IntPtr page, ref int startPos, out IntPtr linkAnnot);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDFLink_GetDest(IntPtr document, IntPtr link);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern uint FPDFDest_GetDestPageIndex(IntPtr document, IntPtr dest);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern bool FPDFLink_GetAnnotRect(IntPtr linkAnnot, FS_RECTF rect);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDF_DeviceToPage(IntPtr page, int start_x, int start_y, int size_x, int size_y, int rotate, int device_x, int device_y, out double page_x, out double page_y);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDF_PageToDevice(IntPtr page, int start_x, int start_y, int size_x, int size_y, int rotate, double page_x, double page_y, out int device_x, out int device_y);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDFLink_GetAction(IntPtr link);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern uint FPDFAction_GetURIPath(IntPtr document, IntPtr action, StringBuilder buffer, uint buflen);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDFBookmark_GetFirstChild(IntPtr document, IntPtr bookmark);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDFBookmark_GetNextSibling(IntPtr document, IntPtr bookmark);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern uint FPDFBookmark_GetTitle(IntPtr bookmark, byte[] buffer, uint buflen);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDFBookmark_GetDest(IntPtr document, IntPtr bookmark);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern uint FPDF_GetLastError();

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern uint FPDF_GetMetaText(IntPtr document, string tag, byte[] buffer, uint buflen);

#region Save/Edit APIs

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern bool FPDF_ImportPages(IntPtr destDoc, IntPtr srcDoc, [MarshalAs(UnmanagedType.LPStr)]string pageRange, int index);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern bool FPDF_SaveAsCopy(IntPtr doc,
[MarshalAs(UnmanagedType.LPStruct)]FPDF_FILEWRITE writer,
[MarshalAs(UnmanagedType.I4)]FPDF_SAVE_FLAGS flag);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDFPage_New(IntPtr doc, int index, double width, double height);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDFPage_Delete(IntPtr doc, int index);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern int FPDFPage_GetRotation(IntPtr page);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDFPage_SetRotation(IntPtr page, int rotate);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDF_CreateNewDocument();

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr FPDFPageObj_NewImgeObj(IntPtr document);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern bool FPDFImageObj_SetBitmap(IntPtr pages, int count, IntPtr imageObject, IntPtr bitmap);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDFPageObj_Transform(IntPtr page, double a, double b, double c, double d, double e, double f);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDFPage_InsertObject(IntPtr page, IntPtr pageObject);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern bool FPDFPage_GenerateContent(IntPtr page);

[DllImport("pdfium")]
[DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
public static extern void FPDF_FFLDraw(IntPtr form, IntPtr bitmap, IntPtr page, int start_x, int start_y, int size_x, int size_y, int rotate, FPDF flags);

#endregion
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