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https://git.code.sf.net/p/libpng/code.git
synced 2025-07-10 18:04:09 +02:00
[devel] Remove some trailing blanks.
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@@ -152,29 +152,29 @@ BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData,
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Try
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{
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// initialize the png structure
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#ifdef PNG_STDIO_SUPPORTED
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png_init_io(png_ptr, pfFile);
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#else
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png_set_read_fn(png_ptr, (png_voidp)pfFile, png_read_data);
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#endif
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png_set_sig_bytes(png_ptr, 8);
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// read all PNG info up to image data
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png_read_info(png_ptr, info_ptr);
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// get width, height, bit-depth and color-type
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png_get_IHDR(png_ptr, info_ptr, piWidth, piHeight, &iBitDepth,
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&iColorType, NULL, NULL, NULL);
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// expand images of all color-type and bit-depth to 3x8 bit RGB images
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// let the library process things like alpha, transparency, background
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if (iBitDepth == 16)
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png_set_strip_16(png_ptr);
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if (iColorType == PNG_COLOR_TYPE_PALETTE)
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@@ -186,7 +186,7 @@ BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData,
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if (iColorType == PNG_COLOR_TYPE_GRAY ||
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iColorType == PNG_COLOR_TYPE_GRAY_ALPHA)
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png_set_gray_to_rgb(png_ptr);
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// set the background color to draw transparent and alpha images over.
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if (png_get_bKGD(png_ptr, info_ptr, &pBackground))
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{
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@@ -199,30 +199,30 @@ BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData,
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{
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pBkgColor = NULL;
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}
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// if required set gamma conversion
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if (png_get_gAMA(png_ptr, info_ptr, &dGamma))
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png_set_gamma(png_ptr, (double) 2.2, dGamma);
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// after the transformations have been registered update info_ptr data
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png_read_update_info(png_ptr, info_ptr);
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// get again width, height and the new bit-depth and color-type
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png_get_IHDR(png_ptr, info_ptr, piWidth, piHeight, &iBitDepth,
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&iColorType, NULL, NULL, NULL);
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// row_bytes is the width x number of channels
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ulRowBytes = png_get_rowbytes(png_ptr, info_ptr);
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ulChannels = png_get_channels(png_ptr, info_ptr);
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*piChannels = ulChannels;
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// now we can allocate memory to store the image
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if (pbImageData)
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{
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free (pbImageData);
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@@ -234,33 +234,33 @@ BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData,
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png_error(png_ptr, "Visual PNG: out of memory");
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}
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*ppbImageData = pbImageData;
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// and allocate memory for an array of row-pointers
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if ((ppbRowPointers = (png_bytepp) malloc((*piHeight)
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* sizeof(png_bytep))) == NULL)
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{
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png_error(png_ptr, "Visual PNG: out of memory");
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}
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// set the individual row-pointers to point at the correct offsets
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for (i = 0; i < (*piHeight); i++)
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ppbRowPointers[i] = pbImageData + i * ulRowBytes;
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// now we can go ahead and just read the whole image
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png_read_image(png_ptr, ppbRowPointers);
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// read the additional chunks in the PNG file (not really needed)
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png_read_end(png_ptr, NULL);
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// and we're done
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free (ppbRowPointers);
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ppbRowPointers = NULL;
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// yepp, done
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}
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@@ -269,7 +269,7 @@ BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData,
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png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
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*ppbImageData = pbImageData = NULL;
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if(ppbRowPointers)
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free (ppbRowPointers);
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@@ -323,58 +323,58 @@ BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData,
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Try
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{
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// initialize the png structure
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#ifdef PNG_STDIO_SUPPORTED
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png_init_io(png_ptr, pfFile);
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#else
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png_set_write_fn(png_ptr, (png_voidp)pfFile, png_write_data, png_flush);
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#endif
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// we're going to write a very simple 3x8 bit RGB image
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png_set_IHDR(png_ptr, info_ptr, iWidth, iHeight, ciBitDepth,
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PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE,
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PNG_FILTER_TYPE_BASE);
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// write the file header information
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png_write_info(png_ptr, info_ptr);
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// swap the BGR pixels in the DiData structure to RGB
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png_set_bgr(png_ptr);
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// row_bytes is the width x number of channels
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ulRowBytes = iWidth * ciChannels;
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// we can allocate memory for an array of row-pointers
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if ((ppbRowPointers = (png_bytepp) malloc(iHeight * sizeof(png_bytep))) == NULL)
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Throw "Visualpng: Out of memory";
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// set the individual row-pointers to point at the correct offsets
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for (i = 0; i < iHeight; i++)
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ppbRowPointers[i] = pDiData + i * (((ulRowBytes + 3) >> 2) << 2);
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// write out the entire image data in one call
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png_write_image (png_ptr, ppbRowPointers);
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// write the additional chunks to the PNG file (not really needed)
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png_write_end(png_ptr, info_ptr);
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// and we're done
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free (ppbRowPointers);
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ppbRowPointers = NULL;
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// clean up after the write, and free any memory allocated
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png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
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// yepp, done
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}
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@@ -389,9 +389,9 @@ BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData,
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return FALSE;
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}
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fclose (pfFile);
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return TRUE;
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}
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@@ -8,8 +8,8 @@ For conditions of distribution and use, see the disclaimer
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and license in png.h
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As a PNG .dll demo VisualPng is finished. More features would only hinder
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the program's objective. However, further extensions (like support for other
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graphics formats) are in development. To get these, or for pre-compiled
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the program's objective. However, further extensions (like support for other
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graphics formats) are in development. To get these, or for pre-compiled
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binaries, go to "http://www.schaik.com/png/visualpng.html".
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------------------------------------------------------------------------
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@@ -302,23 +302,23 @@ LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam,
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{
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if (strcmp (szImgPathName, "") == 0)
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return 0;
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// load the image from file
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if (!LoadImageFile (hwnd, szImgPathName, &pbImage,
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&cxImgSize, &cyImgSize, &cImgChannels, &bkgColor))
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return 0;
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// invalidate the client area for later update
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InvalidateRect (hwnd, NULL, TRUE);
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// display the PNG into the DIBitmap
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DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
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pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
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}
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return 0;
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case IDM_FILE_PREVIOUS:
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@@ -328,22 +328,22 @@ LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam,
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if (SearchPngList (pPngFileList, iPngFileCount, &iPngFileIndex,
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szImgPathName, NULL))
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{
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if (strcmp (szImgPathName, "") == 0)
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return 0;
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// load the image from file
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if (!LoadImageFile (hwnd, szImgPathName, &pbImage, &cxImgSize,
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&cyImgSize, &cImgChannels, &bkgColor))
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return 0;
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// invalidate the client area for later update
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InvalidateRect (hwnd, NULL, TRUE);
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// display the PNG into the DIBitmap
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DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
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pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
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}
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@@ -619,29 +619,29 @@ BOOL SearchPngList (
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if (FileCount > 0)
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{
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// get previous entry
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if (pstrPrevName != NULL)
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{
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if (*pFileIndex > 0)
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*pFileIndex -= 1;
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else
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*pFileIndex = FileCount - 1;
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strcpy (pstrPrevName, pFileList + (*pFileIndex * MAX_PATH));
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}
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// get next entry
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if (pstrNextName != NULL)
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{
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if (*pFileIndex < FileCount - 1)
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*pFileIndex += 1;
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else
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*pFileIndex = 0;
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strcpy (pstrNextName, pFileList + (*pFileIndex * MAX_PATH));
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}
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return TRUE;
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}
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else
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@@ -12,7 +12,7 @@
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#define IDM_HELP_ABOUT 40008
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// Next default values for new objects
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//
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//
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#ifdef APSTUDIO_INVOKED
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#ifndef APSTUDIO_READONLY_SYMBOLS
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#define _APS_NEXT_RESOURCE_VALUE 113
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