X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0d0512bd8f4bdf548e0385b21f54f14b68b4b174..87df17a11b0017d31c09f767bd921abb27193bee:/src/msw/dib.cpp

diff --git a/src/msw/dib.cpp b/src/msw/dib.cpp
index 2bc530afeb..a4db58f8df 100644
--- a/src/msw/dib.cpp
+++ b/src/msw/dib.cpp
@@ -1,28 +1,28 @@
 /*******************************************************************************
- *									       *
- * MODULE	: DIB.CC 						       *
- *									       *
+ *                                                                               *
+ * MODULE        : DIB.CC                                                        *
+ *                                                                               *
  *  DESCRIPTION : Routines for dealing with Device Independent Bitmaps.        *
- *									       *
- *  FUNCTIONS	:                                                              *
- *									       *
+ *                                                                               *
+ *  FUNCTIONS        :                                                              *
+ *                                                                               *
  *                wxReadDIB()           - Reads a DIB                            *
- *									       *
- *		  WriteDIB()	      - Writes a global handle in CF_DIB format*
- *					to a file.			       *
- *									       *
- *		  wxPaletteSize()       - Calculates the palette size in bytes   *
- *					of given DIB			       *
- *									       *
- *		  DibNumColors()      - Determines the number of colors in DIB *
- *									       *
- *		  DibFromBitmap()     - Creates a DIB repr. the DDB passed in. *
- *									       *
- *									       *
- *		  lread()	      - Private routine to read more than 64k  *
- *									       *
- *		  lwrite()	      - Private routine to write more than 64k *
- *									       *
+ *                                                                               *
+ *                  WriteDIB()              - Writes a global handle in CF_DIB format*
+ *                                        to a file.                               *
+ *                                                                               *
+ *                  wxPaletteSize()       - Calculates the palette size in bytes   *
+ *                                        of given DIB                               *
+ *                                                                               *
+ *                  DibNumColors()      - Determines the number of colors in DIB *
+ *                                                                               *
+ *                  DibFromBitmap()     - Creates a DIB repr. the DDB passed in. *
+ *                                                                               *
+ *                                                                               *
+ *                  lread()              - Private routine to read more than 64k  *
+ *                                                                               *
+ *                  lwrite()              - Private routine to write more than 64k *
+ *                                                                               *
  *******************************************************************************/
 
 // For compilers that support precompilation, includes "wx.h".
@@ -33,9 +33,9 @@
 #endif
 
 #ifndef WX_PRECOMP
-#include "wx/setup.h"
-#include "wx/defs.h"
 #include "wx/bitmap.h"
+#include "wx/log.h"
+#include "wx/intl.h"
 #endif
 
 #include <windows.h>
@@ -48,74 +48,70 @@
 
 #include "wx/msw/dib.h"
 
-#ifndef __TWIN32__
-#ifndef wxUSE_NORLANDER_HEADERS
-#ifdef __GNUWIN32__
-#include "wx/msw/gnuwin32/extra.h"
-#endif
-#endif
+#ifdef __GNUWIN32_OLD__
+    #include "wx/msw/gnuwin32/extra.h"
 #endif
 
 #ifndef SEEK_CUR
 /* flags for _lseek */
-#define	SEEK_CUR 1
-#define	SEEK_END 2
-#define	SEEK_SET 0
+#define        SEEK_CUR 1
+#define        SEEK_END 2
+#define        SEEK_SET 0
 #endif
 
-#define MAXREAD  32768				 /* Number of bytes to be read during */
-						 /* each read operation.			 */
+#define MAXREAD  32768                                 /* Number of bytes to be read during */
+                                                 /* each read operation.                         */
 
 /* Header signatutes for various resources */
-#define BFT_ICON	 0x4349	 /* 'IC' */
-#define BFT_BITMAP 0x4d42	 /* 'BM' */
-#define BFT_CURSOR 0x5450	 /* 'PT(' */
+#define BFT_ICON         0x4349         /* 'IC' */
+#define BFT_BITMAP 0x4d42         /* 'BM' */
+#define BFT_CURSOR 0x5450         /* 'PT(' */
 
 /* macro to determine if resource is a DIB */
 #define ISDIB(bft) ((bft) == BFT_BITMAP)
 
 /* Macro to align given value to the closest DWORD (unsigned long ) */
-#define ALIGNULONG(i)	((i+3)/4*4)
+#define ALIGNULONG(i)        ((i+3)/4*4)
 
 /* Macro to determine to round off the given value to the closest byte */
-#define WIDTHBYTES(i)	((i+31)/32*4)
+#define WIDTHBYTES(i)        ((i+31)/32*4)
 
-#define PALVERSION		0x300
-#define MAXPALETTE	256	  /* max. # supported palette entries */
+#define PALVERSION                0x300
+#define MAXPALETTE        256          /* max. # supported palette entries */
 
 static DWORD PASCAL lread(int fh, VOID FAR *pv, DWORD ul);
 static DWORD PASCAL lwrite(int fh, VOID FAR *pv, DWORD ul);
 
-static BOOL	WriteDIB (LPTSTR szFile,HANDLE hdib);
-WORD	wxPaletteSize (VOID FAR * pv); // This is non-static as some apps use it externally
-static WORD	DibNumColors (VOID FAR * pv);
-// HANDLE	DibFromBitmap (HBITMAP hbm, DWORD biStyle, WORD biBits, HPALETTE hpal);
+static BOOL        WriteDIB (LPTSTR szFile,HANDLE hdib);
+WORD        wxPaletteSize (VOID FAR * pv); // This is non-static as some apps use it externally
+static WORD        DibNumColors (VOID FAR * pv);
+// HANDLE        DibFromBitmap (HBITMAP hbm, DWORD biStyle, WORD biBits, HPALETTE hpal);
 static BOOL PASCAL MakeBitmapAndPalette(HDC,HANDLE,HPALETTE *,HBITMAP *);
 
 /****************************************************************************
- *									    *
- *  FUNCTION   : WriteDIB(LPSTR szFile,HANDLE hdib)			    *
- *									    *
- *  PURPOSE    : Write a global handle in CF_DIB format to a file.	    *
- *									    *
- *  RETURNS    : TRUE  - if successful. 				    *
- *		 FALSE - otherwise					    *
- *									    *
+ *                                                                            *
+ *  FUNCTION   : WriteDIB(LPSTR szFile,HANDLE hdib)                            *
+ *                                                                            *
+ *  PURPOSE    : Write a global handle in CF_DIB format to a file.            *
+ *                                                                            *
+ *  RETURNS    : TRUE  - if successful.                                     *
+ *                 FALSE - otherwise                                            *
+ *                                                                            *
  ****************************************************************************/
 
 static BOOL WriteDIB(LPTSTR szFile, HANDLE hdib)
 {
-	BITMAPFILEHEADER	hdr;
-	LPBITMAPINFOHEADER  lpbi;
-	int                 fh;
-	OFSTRUCT            of;
+        BITMAPFILEHEADER        hdr;
+        LPBITMAPINFOHEADER  lpbi;
+        int                 fh;
+        OFSTRUCT            of;
 
-	if (!hdib)
-		return FALSE;
+        if (!hdib)
+                return FALSE;
 
-	fh = OpenFile(wxFNCONV(szFile), &of, OF_CREATE | OF_READWRITE);
-	if (fh == -1)
-		return FALSE;
+        fh = OpenFile(wxConvertWX2MB(szFile), &of, OF_CREATE | OF_READWRITE);
+        if (fh == -1)
+                return FALSE;
 
 #ifdef __WINDOWS_386__
         lpbi = (LPBITMAPINFOHEADER) MK_FP32(GlobalLock(hdib));
@@ -123,284 +119,284 @@ static BOOL WriteDIB(LPTSTR szFile, HANDLE hdib)
         lpbi = (LPBITMAPINFOHEADER) GlobalLock(hdib);
 #endif
     /* Fill in the fields of the file header */
-	hdr.bfType = BFT_BITMAP;
-	hdr.bfSize = GlobalSize(hdib) + sizeof(BITMAPFILEHEADER);
-	hdr.bfReserved1 = 0;
-	hdr.bfReserved2 = 0;
-	hdr.bfOffBits = (DWORD) sizeof(BITMAPFILEHEADER) + lpbi->biSize +
-		 wxPaletteSize(lpbi);
+        hdr.bfType = BFT_BITMAP;
+        hdr.bfSize = GlobalSize(hdib) + sizeof(BITMAPFILEHEADER);
+        hdr.bfReserved1 = 0;
+        hdr.bfReserved2 = 0;
+        hdr.bfOffBits = (DWORD) sizeof(BITMAPFILEHEADER) + lpbi->biSize +
+                 wxPaletteSize(lpbi);
 
     /* Write the file header */
-	_lwrite(fh, (LPSTR) &hdr, sizeof(BITMAPFILEHEADER));
+        _lwrite(fh, (LPSTR) &hdr, sizeof(BITMAPFILEHEADER));
 
     /* Write the DIB header and the bits */
-	lwrite(fh, (LPSTR) lpbi, GlobalSize(hdib));
+        lwrite(fh, (LPSTR) lpbi, GlobalSize(hdib));
 
-	GlobalUnlock(hdib);
-	_lclose(fh);
-	return TRUE;
+        GlobalUnlock(hdib);
+        _lclose(fh);
+        return TRUE;
 }
 
 /****************************************************************************
- *									    *
- *  FUNCTION   :  wxPaletteSize(VOID FAR * pv)				    *
- *									    *
+ *                                                                            *
+ *  FUNCTION   :  wxPaletteSize(VOID FAR * pv)                                    *
+ *                                                                            *
  *  PURPOSE    :  Calculates the palette size in bytes. If the info. block  *
- *		  is of the BITMAPCOREHEADER type, the number of colors is  *
- *		  multiplied by 3 to give the palette size, otherwise the   *
- *		  number of colors is multiplied by 4.								*
- *									    *
- *  RETURNS    :  Palette size in number of bytes.			    *
- *									    *
+ *                  is of the BITMAPCOREHEADER type, the number of colors is  *
+ *                  multiplied by 3 to give the palette size, otherwise the   *
+ *                  number of colors is multiplied by 4.                                                                *
+ *                                                                            *
+ *  RETURNS    :  Palette size in number of bytes.                            *
+ *                                                                            *
  ****************************************************************************/
 
 WORD wxPaletteSize(VOID FAR * pv)
 {
-	LPBITMAPINFOHEADER lpbi;
-	WORD	       NumColors;
+        LPBITMAPINFOHEADER lpbi;
+        WORD               NumColors;
 
-	lpbi = (LPBITMAPINFOHEADER) pv;
-	NumColors = DibNumColors(lpbi);
+        lpbi = (LPBITMAPINFOHEADER) pv;
+        NumColors = DibNumColors(lpbi);
 
-	if (lpbi->biSize == sizeof(BITMAPCOREHEADER))
-		return NumColors * sizeof(RGBTRIPLE);
-	else
-		return NumColors * sizeof(RGBQUAD);
+        if (lpbi->biSize == sizeof(BITMAPCOREHEADER))
+                return (WORD)(NumColors * sizeof(RGBTRIPLE));
+        else
+                return (WORD)(NumColors * sizeof(RGBQUAD));
 }
 
 /****************************************************************************
- *									    *
- *  FUNCTION   : DibNumColors(VOID FAR * pv)				    *
- *									    *
+ *                                                                            *
+ *  FUNCTION   : DibNumColors(VOID FAR * pv)                                    *
+ *                                                                            *
  *  PURPOSE    : Determines the number of colors in the DIB by looking at   *
- *		 the BitCount filed in the info block.			    *
- *									    *
- *  RETURNS    : The number of colors in the DIB.			    *
- *									    *
+ *                 the BitCount filed in the info block.                            *
+ *                                                                            *
+ *  RETURNS    : The number of colors in the DIB.                            *
+ *                                                                            *
  ****************************************************************************/
 
 static WORD DibNumColors(VOID FAR *pv)
 {
-	int 		bits;
-	BITMAPINFOHEADER	*lpbi;
-	BITMAPCOREHEADER	*lpbc;
+        int                 bits;
+        BITMAPINFOHEADER        *lpbi;
+        BITMAPCOREHEADER        *lpbc;
 
-	lpbi = ((BITMAPINFOHEADER*) pv);
-	lpbc = ((BITMAPCOREHEADER*) pv);
+        lpbi = ((BITMAPINFOHEADER*) pv);
+        lpbc = ((BITMAPCOREHEADER*) pv);
 
-    /*	With the BITMAPINFO format headers, the size of the palette
-     *	is in biClrUsed, whereas in the BITMAPCORE - style headers, it
-     *	is dependent on the bits per pixel ( = 2 raised to the power of
-     *	bits/pixel).
+    /*        With the BITMAPINFO format headers, the size of the palette
+     *        is in biClrUsed, whereas in the BITMAPCORE - style headers, it
+     *        is dependent on the bits per pixel ( = 2 raised to the power of
+     *        bits/pixel).
      */
-	if (lpbi->biSize != sizeof(BITMAPCOREHEADER)) {
-		if (lpbi->biClrUsed != 0)
-			return (WORD) lpbi->biClrUsed;
-		bits = lpbi->biBitCount;
-		}
-	else
-		bits = lpbc->bcBitCount;
-
-	switch (bits) {
+        if (lpbi->biSize != sizeof(BITMAPCOREHEADER)) {
+                if (lpbi->biClrUsed != 0)
+                        return (WORD) lpbi->biClrUsed;
+                bits = lpbi->biBitCount;
+                }
+        else
+                bits = lpbc->bcBitCount;
+
+        switch (bits) {
   case 1:
-		return 2;
+                return 2;
   case 4:
-		return 16;
+                return 16;
   case 8:
-		return 256;
+                return 256;
   default:
-		/* A 24 bitcount DIB has no color table */
-		return 0;
-		}
+                /* A 24 bitcount DIB has no color table */
+                return 0;
+                }
 }
 
 /****************************************************************************
- *									    *
- *  FUNCTION   : DibFromBitmap()					    *
- *									    *
- *  PURPOSE    : Will create a global memory block in DIB format that	    *
- *		 represents the Device-dependent bitmap (DDB) passed in.    *
- *									    *
- *  RETURNS    : A handle to the DIB					    *
- *									    *
+ *                                                                            *
+ *  FUNCTION   : DibFromBitmap()                                            *
+ *                                                                            *
+ *  PURPOSE    : Will create a global memory block in DIB format that            *
+ *                 represents the Device-dependent bitmap (DDB) passed in.    *
+ *                                                                            *
+ *  RETURNS    : A handle to the DIB                                            *
+ *                                                                            *
  ****************************************************************************/
 
 #if NOTHING
 static HANDLE DibFromBitmap(HBITMAP hbm, DWORD biStyle, WORD biBits, HPALETTE hpal)
 {
-	BITMAP               bm;
-	BITMAPINFOHEADER     bi;
-	BITMAPINFOHEADER FAR *lpbi;
-	DWORD                dwLen;
-	HANDLE               hdib;
-	HANDLE               h;
-	HDC                  hdc;
-
-	if (!hbm)
-		return NULL;
-
-	if (hpal == NULL)
-		hpal = GetStockObject(DEFAULT_PALETTE);
-
-	GetObject(hbm, sizeof (bm), (LPSTR) &bm);
-
-	if (biBits == 0)
-		biBits = bm.bmPlanes * bm.bmBitsPixel;
-
-	bi.biSize = sizeof(BITMAPINFOHEADER);
-	bi.biWidth = bm.bmWidth;
-	bi.biHeight = bm.bmHeight;
-	bi.biPlanes = 1;
-	bi.biBitCount = biBits;
-	bi.biCompression = biStyle;
-	bi.biSizeImage = 0;
-	bi.biXPelsPerMeter = 0;
-	bi.biYPelsPerMeter = 0;
-	bi.biClrUsed = 0;
-	bi.biClrImportant = 0;
-
-	dwLen = bi.biSize + wxPaletteSize(&bi);
-
-	hdc = GetDC((HWND) NULL);
-	hpal = SelectPalette(hdc, hpal, FALSE);
-	RealizePalette(hdc);
-
-	hdib = GlobalAlloc(GHND, dwLen);
-
-	if (!hdib) {
-		SelectPalette(hdc, hpal, FALSE);
-		ReleaseDC(NULL, hdc);
-		return NULL;
-		}
+        BITMAP               bm;
+        BITMAPINFOHEADER     bi;
+        BITMAPINFOHEADER FAR *lpbi;
+        DWORD                dwLen;
+        HANDLE               hdib;
+        HANDLE               h;
+        HDC                  hdc;
+
+        if (!hbm)
+                return NULL;
+
+        if (hpal == NULL)
+                hpal = GetStockObject(DEFAULT_PALETTE);
+
+        GetObject(hbm, sizeof (bm), (LPSTR) &bm);
+
+        if (biBits == 0)
+                biBits = bm.bmPlanes * bm.bmBitsPixel;
+
+        bi.biSize = sizeof(BITMAPINFOHEADER);
+        bi.biWidth = bm.bmWidth;
+        bi.biHeight = bm.bmHeight;
+        bi.biPlanes = 1;
+        bi.biBitCount = biBits;
+        bi.biCompression = biStyle;
+        bi.biSizeImage = 0;
+        bi.biXPelsPerMeter = 0;
+        bi.biYPelsPerMeter = 0;
+        bi.biClrUsed = 0;
+        bi.biClrImportant = 0;
+
+        dwLen = bi.biSize + wxPaletteSize(&bi);
+
+        hdc = GetDC((HWND) NULL);
+        hpal = SelectPalette(hdc, hpal, FALSE);
+        RealizePalette(hdc);
+
+        hdib = GlobalAlloc(GHND, dwLen);
+
+        if (!hdib) {
+                SelectPalette(hdc, hpal, FALSE);
+                ReleaseDC(NULL, hdc);
+                return NULL;
+                }
 
 #ifdef __WINDOWS_386__
-	lpbi = (BITMAPINFOHEADER FAR *) MK_FP32(GlobalLock(hdib));
+        lpbi = (BITMAPINFOHEADER FAR *) MK_FP32(GlobalLock(hdib));
 #else
-	lpbi = (BITMAPINFOHEADER FAR *) GlobalLock(hdib);
+        lpbi = (BITMAPINFOHEADER FAR *) GlobalLock(hdib);
 #endif
 
-	*lpbi = bi;
+        *lpbi = bi;
 
-    /*	call GetDIBits with a NULL lpBits param, so it will calculate the
+    /*        call GetDIBits with a NULL lpBits param, so it will calculate the
      *  biSizeImage field for us
      */
-	GetDIBits(hdc, hbm, 0, (WORD) bi.biHeight,
-		 NULL, (LPBITMAPINFO) lpbi, DIB_RGB_COLORS);
+        GetDIBits(hdc, hbm, 0, (WORD) bi.biHeight,
+                 NULL, (LPBITMAPINFO) lpbi, DIB_RGB_COLORS);
 
-	bi = *lpbi;
-	GlobalUnlock(hdib);
+        bi = *lpbi;
+        GlobalUnlock(hdib);
 
     /* If the driver did not fill in the biSizeImage field, make one up */
-	if (bi.biSizeImage == 0) {
-		bi.biSizeImage = WIDTHBYTES((DWORD)bm.bmWidth * biBits) * bm.bmHeight;
-
-		if (biStyle != BI_RGB)
-			bi.biSizeImage = (bi.biSizeImage * 3) / 2;
-		}
-
-    /*	realloc the buffer big enough to hold all the bits */
-	dwLen = bi.biSize + wxPaletteSize(&bi) + bi.biSizeImage;
-	if (h = GlobalReAlloc(hdib, dwLen, 0))
-		hdib = h;
-	else {
-		GlobalFree(hdib);
-		hdib = NULL;
-
-		SelectPalette(hdc, hpal, FALSE);
-		ReleaseDC(NULL, hdc);
-		return hdib;
-		}
-
-    /*	call GetDIBits with a NON-NULL lpBits param, and actualy get the
+        if (bi.biSizeImage == 0) {
+                bi.biSizeImage = WIDTHBYTES((DWORD)bm.bmWidth * biBits) * bm.bmHeight;
+
+                if (biStyle != BI_RGB)
+                        bi.biSizeImage = (bi.biSizeImage * 3) / 2;
+                }
+
+    /*        realloc the buffer big enough to hold all the bits */
+        dwLen = bi.biSize + wxPaletteSize(&bi) + bi.biSizeImage;
+        if (h = GlobalReAlloc(hdib, dwLen, 0))
+                hdib = h;
+        else {
+                GlobalFree(hdib);
+                hdib = NULL;
+
+                SelectPalette(hdc, hpal, FALSE);
+                ReleaseDC(NULL, hdc);
+                return hdib;
+                }
+
+    /*        call GetDIBits with a NON-NULL lpBits param, and actualy get the
      *  bits this time
      */
 #ifdef __WINDOWS_386__
-	lpbi = (BITMAPINFOHEADER FAR *) MK_FP32(GlobalLock(hdib));
+        lpbi = (BITMAPINFOHEADER FAR *) MK_FP32(GlobalLock(hdib));
 #else
-	lpbi = (BITMAPINFOHEADER FAR *) GlobalLock(hdib);
+        lpbi = (BITMAPINFOHEADER FAR *) GlobalLock(hdib);
 #endif
 
-	if (GetDIBits(hdc,
-		 hbm,
-		 0,
-		 (WORD) bi.biHeight,
-		 (LPSTR) lpbi + (WORD) lpbi->biSize + wxPaletteSize(lpbi),
-		 (LPBITMAPINFO) lpbi, DIB_RGB_COLORS) == 0) {
-		GlobalUnlock(hdib);
-		hdib = NULL;
-		SelectPalette(hdc, hpal, FALSE);
-		ReleaseDC((HWND) NULL, hdc);
-		return NULL;
-		}
-
-	bi = *lpbi;
-	GlobalUnlock(hdib);
-
-	SelectPalette(hdc, hpal, FALSE);
-	ReleaseDC(NULL, hdc);
-	return hdib;
+        if (GetDIBits(hdc,
+                 hbm,
+                 0,
+                 (WORD) bi.biHeight,
+                 (LPSTR) lpbi + (WORD) lpbi->biSize + wxPaletteSize(lpbi),
+                 (LPBITMAPINFO) lpbi, DIB_RGB_COLORS) == 0) {
+                GlobalUnlock(hdib);
+                hdib = NULL;
+                SelectPalette(hdc, hpal, FALSE);
+                ReleaseDC((HWND) NULL, hdc);
+                return NULL;
+                }
+
+        bi = *lpbi;
+        GlobalUnlock(hdib);
+
+        SelectPalette(hdc, hpal, FALSE);
+        ReleaseDC(NULL, hdc);
+        return hdib;
 }
 #endif
 
  /************* PRIVATE ROUTINES TO READ/WRITE MORE THAN 64K ***************/
 /****************************************************************************
- *									    *
- *  FUNCTION   : lread(int fh, VOID FAR *pv, DWORD ul)			    *
- *									    *
+ *                                                                            *
+ *  FUNCTION   : lread(int fh, VOID FAR *pv, DWORD ul)                            *
+ *                                                                            *
  *  PURPOSE    : Reads data in steps of 32k till all the data has been read.*
- *									    *
- *  RETURNS    : 0 - If read did not proceed correctly. 		    *
- *		 number of bytes read otherwise.			    *
- *									    *
+ *                                                                            *
+ *  RETURNS    : 0 - If read did not proceed correctly.                     *
+ *                 number of bytes read otherwise.                            *
+ *                                                                            *
  ****************************************************************************/
 
 static DWORD PASCAL lread(int fh, void far *pv, DWORD ul)
 {
-	DWORD     ulT = ul;
+        DWORD     ulT = ul;
 #if defined(WINNT) || defined(__WIN32__) || defined(__WIN32__) || defined(__WXWINE__)
-	BYTE *hp = (BYTE *) pv;
+        BYTE *hp = (BYTE *) pv;
 #else
-	BYTE huge *hp = (BYTE huge *) pv;
+        BYTE huge *hp = (BYTE huge *) pv;
 #endif
-	while (ul > (DWORD) MAXREAD) {
-		if (_lread(fh, (LPSTR) hp, (WORD) MAXREAD) != MAXREAD)
-			return 0;
-		ul -= MAXREAD;
-		hp += MAXREAD;
-		}
-	if (_lread(fh, (LPSTR) hp, (WORD) ul) != (WORD) ul)
-		return 0;
-	return ulT;
+        while (ul > (DWORD) MAXREAD) {
+                if (_lread(fh, (LPSTR) hp, (WORD) MAXREAD) != MAXREAD)
+                        return 0;
+                ul -= MAXREAD;
+                hp += MAXREAD;
+                }
+        if (_lread(fh, (LPSTR) hp, (WXUINT) ul) != (WXUINT) ul)
+                return 0;
+        return ulT;
 }
 
 /****************************************************************************
- *									    *
- *  FUNCTION   : lwrite(int fh, VOID FAR *pv, DWORD ul) 		    *
- *									    *
+ *                                                                            *
+ *  FUNCTION   : lwrite(int fh, VOID FAR *pv, DWORD ul)                     *
+ *                                                                            *
  *  PURPOSE    : Writes data in steps of 32k till all the data is written.  *
- *									    *
- *  RETURNS    : 0 - If write did not proceed correctly.		    *
- *		 number of bytes written otherwise.			    *
- *									    *
+ *                                                                            *
+ *  RETURNS    : 0 - If write did not proceed correctly.                    *
+ *                 number of bytes written otherwise.                            *
+ *                                                                            *
  ****************************************************************************/
 
 static DWORD PASCAL lwrite(int fh, VOID FAR *pv, DWORD ul)
 {
-	DWORD     ulT = ul;
+        DWORD     ulT = ul;
 #if defined(WINNT) || defined(__WIN32__) || defined(__WIN32__) || defined(__WXWINE__)
-	BYTE *hp = (BYTE *) pv;
+        BYTE *hp = (BYTE *) pv;
 #else
-	BYTE huge *hp = (BYTE huge *) pv;
+        BYTE huge *hp = (BYTE huge *) pv;
 #endif
-	while (ul > MAXREAD) {
-		if (_lwrite(fh, (LPSTR) hp, (WORD) MAXREAD) != MAXREAD)
-			return 0;
-		ul -= MAXREAD;
-		hp += MAXREAD;
-		}
-	if (_lwrite(fh, (LPSTR) hp, (WORD) ul) != (WORD) ul)
-		return 0;
-	return ulT;
+        while (ul > MAXREAD) {
+                if (_lwrite(fh, (LPSTR) hp, (WORD) MAXREAD) != MAXREAD)
+                        return 0;
+                ul -= MAXREAD;
+                hp += MAXREAD;
+                }
+        if (_lwrite(fh, (LPSTR) hp, (WXUINT) ul) != (WXUINT) ul)
+                return 0;
+        return ulT;
 }
 
 /****************************************************************************
@@ -408,25 +404,24 @@ static DWORD PASCAL lwrite(int fh, VOID FAR *pv, DWORD ul)
  *  FUNCTION   : ReadDIB(hWnd)
  *
  *  PURPOSE    : Reads a DIB from a file, obtains a handle to its
- *		 BITMAPINFO struct. and loads the DIB.  Once the DIB
+ *                 BITMAPINFO struct. and loads the DIB.  Once the DIB
  *               is loaded, the function also creates a bitmap and
  *               palette out of the DIB for a device-dependent form.
  *
  *  RETURNS    : TRUE  - DIB loaded and bitmap/palette created
  *                       The DIBINIT structure pointed to by pInfo is
  *                       filled with the appropriate handles.
- *		 FALSE - otherwise
+ *                 FALSE - otherwise
  *
  ****************************************************************************/
 BOOL wxReadDIB(LPTSTR lpFileName, HBITMAP *bitmap, HPALETTE *palette)
 {
     int fh;
     LPBITMAPINFOHEADER lpbi;
-    OFSTRUCT	       of;
+    OFSTRUCT               of;
     BITMAPFILEHEADER   bf;
-    WORD		nNumColors;
+    WORD                nNumColors;
     BOOL result = FALSE;
-    wxChar str[128];
     WORD offBits;
     HDC hDC;
     BOOL bCoreHead = FALSE;
@@ -434,17 +429,16 @@ BOOL wxReadDIB(LPTSTR lpFileName, HBITMAP *bitmap, HPALETTE *palette)
 
     /* Open the file and get a handle to it's BITMAPINFO */
 
-    fh = OpenFile (wxFNCONV(lpFileName), &of, OF_READ);
+    fh = OpenFile (wxConvertWX2MB(lpFileName), &of, OF_READ);
     if (fh == -1) {
-        wsprintf(str,wxT("Can't open file '%s'"), lpFileName);
-	MessageBox(NULL, str, wxT("Error"), MB_ICONSTOP | MB_OK);
-	return (0);
+        wxLogError(_("Can't open file '%s'"), lpFileName);
+        return (0);
     }
 
     hDIB = GlobalAlloc(GHND, (DWORD)(sizeof(BITMAPINFOHEADER) +
-    					256 * sizeof(RGBQUAD)));
+                                            256 * sizeof(RGBQUAD)));
     if (!hDIB)
-	return(0);
+        return(0);
 
 #ifdef __WINDOWS_386__
     lpbi = (LPBITMAPINFOHEADER)MK_FP32(GlobalLock(hDIB));
@@ -454,56 +448,56 @@ BOOL wxReadDIB(LPTSTR lpFileName, HBITMAP *bitmap, HPALETTE *palette)
 
     /* read the BITMAPFILEHEADER */
     if (sizeof (bf) != _lread (fh, (LPSTR)&bf, sizeof (bf)))
-	goto ErrExit;
+        goto ErrExit;
 
-    if (bf.bfType != 0x4d42)	/* 'BM' */
-	goto ErrExit;
+    if (bf.bfType != 0x4d42)        /* 'BM' */
+        goto ErrExit;
 
     if (sizeof(BITMAPCOREHEADER) != _lread (fh, (LPSTR)lpbi, sizeof(BITMAPCOREHEADER)))
-	goto ErrExit;
+        goto ErrExit;
 
     if (lpbi->biSize == sizeof(BITMAPCOREHEADER))
     {
-	lpbi->biSize = sizeof(BITMAPINFOHEADER);
-	lpbi->biBitCount = ((LPBITMAPCOREHEADER)lpbi)->bcBitCount;
-	lpbi->biPlanes = ((LPBITMAPCOREHEADER)lpbi)->bcPlanes;
-	lpbi->biHeight = ((LPBITMAPCOREHEADER)lpbi)->bcHeight;
-	lpbi->biWidth = ((LPBITMAPCOREHEADER)lpbi)->bcWidth;
-	bCoreHead = TRUE;
+        lpbi->biSize = sizeof(BITMAPINFOHEADER);
+        lpbi->biBitCount = ((LPBITMAPCOREHEADER)lpbi)->bcBitCount;
+        lpbi->biPlanes = ((LPBITMAPCOREHEADER)lpbi)->bcPlanes;
+        lpbi->biHeight = ((LPBITMAPCOREHEADER)lpbi)->bcHeight;
+        lpbi->biWidth = ((LPBITMAPCOREHEADER)lpbi)->bcWidth;
+        bCoreHead = TRUE;
     }
     else
     {
-    	// get to the start of the header and read INFOHEADER
+            // get to the start of the header and read INFOHEADER
         _llseek(fh,sizeof(BITMAPFILEHEADER),SEEK_SET);
-	if (sizeof(BITMAPINFOHEADER) != _lread (fh, (LPSTR)lpbi, sizeof(BITMAPINFOHEADER)))
-	    goto ErrExit;
+        if (sizeof(BITMAPINFOHEADER) != _lread (fh, (LPSTR)lpbi, sizeof(BITMAPINFOHEADER)))
+            goto ErrExit;
     }
 
     nNumColors = (WORD)lpbi->biClrUsed;
     if ( nNumColors == 0 )
     {
-	/* no color table for 24-bit, default size otherwise */
-	if (lpbi->biBitCount != 24)
-	    nNumColors = 1 << lpbi->biBitCount;	/* standard size table */
+        /* no color table for 24-bit, default size otherwise */
+        if (lpbi->biBitCount != 24)
+            nNumColors = 1 << lpbi->biBitCount;        /* standard size table */
     }
 
-    /*	fill in some default values if they are zero */
+    /*        fill in some default values if they are zero */
     if (lpbi->biClrUsed == 0)
-	lpbi->biClrUsed = nNumColors;
+        lpbi->biClrUsed = nNumColors;
 
     if (lpbi->biSizeImage == 0)
     {
-	lpbi->biSizeImage = ((((lpbi->biWidth * (DWORD)lpbi->biBitCount) + 31) & ~31) >> 3)
-			 * lpbi->biHeight;
+        lpbi->biSizeImage = ((((lpbi->biWidth * (DWORD)lpbi->biBitCount) + 31) & ~31) >> 3)
+                         * lpbi->biHeight;
     }
 
     /* get a proper-sized buffer for header, color table and bits */
     GlobalUnlock(hDIB);
     hDIB = GlobalReAlloc(hDIB, lpbi->biSize +
-    					nNumColors * sizeof(RGBQUAD) +
-					lpbi->biSizeImage, 0);
-    if (!hDIB)	/* can't resize buffer for loading */
-	goto ErrExit2;
+                                            nNumColors * sizeof(RGBQUAD) +
+                                        lpbi->biSizeImage, 0);
+    if (!hDIB)        /* can't resize buffer for loading */
+        goto ErrExit2;
 
 #ifdef __WINDOWS_386__
     lpbi = (LPBITMAPINFOHEADER)MK_FP32(GlobalLock(hDIB));
@@ -513,28 +507,28 @@ BOOL wxReadDIB(LPTSTR lpFileName, HBITMAP *bitmap, HPALETTE *palette)
 
     /* read the color table */
     if (!bCoreHead)
-	_lread(fh, (LPSTR)(lpbi) + lpbi->biSize, nNumColors * sizeof(RGBQUAD));
+        _lread(fh, (LPSTR)(lpbi) + lpbi->biSize, nNumColors * sizeof(RGBQUAD));
     else
     {
-	signed int i;
-	RGBQUAD FAR *pQuad;
-	RGBTRIPLE FAR *pTriple;
-
-	_lread(fh, (LPSTR)(lpbi) + lpbi->biSize, nNumColors * sizeof(RGBTRIPLE));
-
-	pQuad = (RGBQUAD FAR *)((LPSTR)lpbi + lpbi->biSize);
-	pTriple = (RGBTRIPLE FAR *) pQuad;
-	for (i = nNumColors - 1; i >= 0; i--)
-	{
-	    pQuad[i].rgbRed = pTriple[i].rgbtRed;
-	    pQuad[i].rgbBlue = pTriple[i].rgbtBlue;
-	    pQuad[i].rgbGreen = pTriple[i].rgbtGreen;
-	    pQuad[i].rgbReserved = 0;
-	}
+        signed int i;
+        RGBQUAD FAR *pQuad;
+        RGBTRIPLE FAR *pTriple;
+
+        _lread(fh, (LPSTR)(lpbi) + lpbi->biSize, nNumColors * sizeof(RGBTRIPLE));
+
+        pQuad = (RGBQUAD FAR *)((LPSTR)lpbi + lpbi->biSize);
+        pTriple = (RGBTRIPLE FAR *) pQuad;
+        for (i = nNumColors - 1; i >= 0; i--)
+        {
+            pQuad[i].rgbRed = pTriple[i].rgbtRed;
+            pQuad[i].rgbBlue = pTriple[i].rgbtBlue;
+            pQuad[i].rgbGreen = pTriple[i].rgbtGreen;
+            pQuad[i].rgbReserved = 0;
+        }
     }
 
     /* offset to the bits from start of DIB header */
-    offBits = (WORD)lpbi->biSize + nNumColors * sizeof(RGBQUAD);
+    offBits = (WORD)(lpbi->biSize + nNumColors * sizeof(RGBQUAD));
 
     if (bf.bfOffBits != 0L)
     {
@@ -543,28 +537,28 @@ BOOL wxReadDIB(LPTSTR lpFileName, HBITMAP *bitmap, HPALETTE *palette)
 
     if (lpbi->biSizeImage == lread(fh, (LPSTR)lpbi + offBits, lpbi->biSizeImage))
     {
-	GlobalUnlock(hDIB);
-
-	hDC = GetDC(NULL);
-	if (!MakeBitmapAndPalette(hDC, hDIB, palette,
-					bitmap))
-	{
-	    ReleaseDC(NULL,hDC);
-	    goto ErrExit2;
-	}
-	else
-	{
-	    ReleaseDC(NULL,hDC);
+        GlobalUnlock(hDIB);
+
+        hDC = GetDC(NULL);
+        if (!MakeBitmapAndPalette(hDC, hDIB, palette,
+                                        bitmap))
+        {
+            ReleaseDC(NULL,hDC);
+            goto ErrExit2;
+        }
+        else
+        {
+            ReleaseDC(NULL,hDC);
             GlobalFree(hDIB);
-	    result = TRUE;
-	}
+            result = TRUE;
+        }
     }
     else
     {
 ErrExit:
-	GlobalUnlock(hDIB);
+        GlobalUnlock(hDIB);
 ErrExit2:
-	GlobalFree(hDIB);
+        GlobalFree(hDIB);
     }
 
     _lclose(fh);
@@ -587,7 +581,7 @@ ErrExit2:
  *
  ****************************************************************************/
 static BOOL PASCAL MakeBitmapAndPalette(HDC hDC, HANDLE hDIB,
-			HPALETTE * phPal, HBITMAP * phBitmap)
+                        HPALETTE * phPal, HBITMAP * phBitmap)
 {
     LPBITMAPINFOHEADER lpInfo;
     BOOL result = FALSE;
@@ -604,41 +598,44 @@ static BOOL PASCAL MakeBitmapAndPalette(HDC hDC, HANDLE hDIB,
     hPalette = wxMakeDIBPalette(lpInfo);
     if ( hPalette )
     {
-	// Need to realize palette for converting DIB to bitmap.
-	hOldPal = SelectPalette(hDC, hPalette, TRUE);
-	RealizePalette(hDC);
-
-	lpBits = (LPSTR)lpInfo + (WORD)lpInfo->biSize +
-		(WORD)lpInfo->biClrUsed * sizeof(RGBQUAD);
-	hBitmap = CreateDIBitmap(hDC, lpInfo, CBM_INIT, lpBits,
-				(LPBITMAPINFO)lpInfo, DIB_RGB_COLORS);
-
-	SelectPalette(hDC, hOldPal, TRUE);
-	RealizePalette(hDC);
-
-	if (!hBitmap)
-	    DeleteObject(hPalette);
-	else
-	{
-	    *phBitmap = hBitmap;
-	    *phPal = hPalette;
-	    result = TRUE;
-	}
+        // Need to realize palette for converting DIB to bitmap.
+        hOldPal = SelectPalette(hDC, hPalette, TRUE);
+        RealizePalette(hDC);
+
+        lpBits = (LPSTR)lpInfo + (WORD)lpInfo->biSize +
+                (WORD)lpInfo->biClrUsed * sizeof(RGBQUAD);
+        hBitmap = CreateDIBitmap(hDC, lpInfo, CBM_INIT, lpBits,
+                                (LPBITMAPINFO)lpInfo, DIB_RGB_COLORS);
+
+        SelectPalette(hDC, hOldPal, TRUE);
+        RealizePalette(hDC);
+
+        if (!hBitmap)
+            DeleteObject(hPalette);
+        else
+        {
+            *phBitmap = hBitmap;
+            *phPal = hPalette;
+            result = TRUE;
+        }
     }
+
+	GlobalUnlock (hDIB);  // glt
+
     return(result);
 }
 
 /****************************************************************************
- *									    *
- *  FUNCTION   : wxMakeDIBPalette(lpInfo)					    *
- *									    *
+ *                                                                            *
+ *  FUNCTION   : wxMakeDIBPalette(lpInfo)                                            *
+ *                                                                            *
  *  PURPOSE    : Given a BITMAPINFOHEADER, create a palette based on
- *		 the color table.
+ *                 the color table.
  *
- *									    *
+ *                                                                            *
  *  RETURNS    : non-zero - handle of a corresponding palette
- *		 zero - unable to create palette
- *									    *
+ *                 zero - unable to create palette
+ *                                                                            *
  ****************************************************************************/
 HPALETTE wxMakeDIBPalette(LPBITMAPINFOHEADER lpInfo)
 {
@@ -656,34 +653,34 @@ HPALETTE wxMakeDIBPalette(LPBITMAPINFOHEADER lpInfo)
     if (lpInfo->biClrUsed)
     {
 /*
-	npPal = (NPLOGPALETTE)LocalAlloc(LMEM_FIXED, sizeof(LOGPALETTE) +
-				(WORD)lpInfo->biClrUsed * sizeof(PALETTEENTRY));
+        npPal = (NPLOGPALETTE)LocalAlloc(LMEM_FIXED, sizeof(LOGPALETTE) +
+                                (WORD)lpInfo->biClrUsed * sizeof(PALETTEENTRY));
 */
-	npPal = (LPLOGPALETTE)malloc(sizeof(LOGPALETTE) +
-				(WORD)lpInfo->biClrUsed * sizeof(PALETTEENTRY));
+        npPal = (LPLOGPALETTE)malloc(sizeof(LOGPALETTE) +
+                                (WORD)lpInfo->biClrUsed * sizeof(PALETTEENTRY));
         if (!npPal)
-	    return(FALSE);
+            return(FALSE);
 
-	npPal->palVersion = 0x300;
-	npPal->palNumEntries = (WORD)lpInfo->biClrUsed;
+        npPal->palVersion = 0x300;
+        npPal->palNumEntries = (WORD)lpInfo->biClrUsed;
 
-	/* get pointer to the color table */
-	lpRGB = (RGBQUAD FAR *)((LPSTR)lpInfo + lpInfo->biSize);
+        /* get pointer to the color table */
+        lpRGB = (RGBQUAD FAR *)((LPSTR)lpInfo + lpInfo->biSize);
 
-	/* copy colors from the color table to the LogPalette structure */
-	for (i = 0; i < lpInfo->biClrUsed; i++, lpRGB++)
-	{
-	    npPal->palPalEntry[i].peRed = lpRGB->rgbRed;
-	    npPal->palPalEntry[i].peGreen = lpRGB->rgbGreen;
-	    npPal->palPalEntry[i].peBlue = lpRGB->rgbBlue;
-	    npPal->palPalEntry[i].peFlags = 0;
-	}
+        /* copy colors from the color table to the LogPalette structure */
+        for (i = 0; (DWORD)i < lpInfo->biClrUsed; i++, lpRGB++)
+        {
+            npPal->palPalEntry[i].peRed = lpRGB->rgbRed;
+            npPal->palPalEntry[i].peGreen = lpRGB->rgbGreen;
+            npPal->palPalEntry[i].peBlue = lpRGB->rgbBlue;
+            npPal->palPalEntry[i].peFlags = 0;
+        }
 
-	hLogPal = CreatePalette((LPLOGPALETTE)npPal);
-//	LocalFree((HANDLE)npPal);
+        hLogPal = CreatePalette((LPLOGPALETTE)npPal);
+//        LocalFree((HANDLE)npPal);
         free(npPal);
 
-	return(hLogPal);
+        return(hLogPal);
     }
 
     /* 24-bit DIB with no color table.  return default palette.  Another
@@ -691,7 +688,7 @@ HPALETTE wxMakeDIBPalette(LPBITMAPINFOHEADER lpInfo)
     ** some good color choices.
     */
     else
-	return((HPALETTE) GetStockObject(DEFAULT_PALETTE));
+        return((HPALETTE) GetStockObject(DEFAULT_PALETTE));
 #endif
 
 }
@@ -944,4 +941,3 @@ bool wxSaveBitmap(wxChar *filename, wxBitmap *bitmap, wxPalette *colourmap)
   else return FALSE;
 }
 
-