[Feature][ZXW-88]merge P50 version
Only Configure: No
Affected branch: master
Affected module: unknown
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No
Change-Id: I34667719d9e0e7e29e8e4368848601cde0a48408
diff --git a/ap/lib/libpng/libpng-1.6.37/contrib/visupng/PngFile.c b/ap/lib/libpng/libpng-1.6.37/contrib/visupng/PngFile.c
new file mode 100755
index 0000000..cf943f3
--- /dev/null
+++ b/ap/lib/libpng/libpng-1.6.37/contrib/visupng/PngFile.c
@@ -0,0 +1,454 @@
+/*-------------------------------------
+ * PNGFILE.C -- Image File Functions
+ *-------------------------------------
+ *
+ * Copyright 2000,2017 Willem van Schaik.
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ */
+
+#include <windows.h>
+#include <commdlg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <zlib.h>
+
+#include "png.h"
+#include "pngfile.h"
+#include "cexcept.h"
+
+define_exception_type(const char *);
+extern struct exception_context the_exception_context[1];
+struct exception_context the_exception_context[1];
+png_const_charp msg;
+
+static OPENFILENAME ofn;
+
+static png_structp png_ptr = NULL;
+static png_infop info_ptr = NULL;
+
+
+/* cexcept interface */
+
+static void
+png_cexcept_error(png_structp png_ptr, png_const_charp msg)
+{
+ if(png_ptr)
+ ;
+#ifdef PNG_CONSOLE_IO_SUPPORTED
+ fprintf(stderr, "libpng error: %s\n", msg);
+#endif
+ {
+ Throw msg;
+ }
+}
+
+/* Windows open-file functions */
+
+void PngFileInitialize (HWND hwnd)
+{
+ static TCHAR szFilter[] = TEXT ("PNG Files (*.PNG)\0*.png\0")
+ TEXT ("All Files (*.*)\0*.*\0\0");
+
+ ofn.lStructSize = sizeof (OPENFILENAME);
+ ofn.hwndOwner = hwnd;
+ ofn.hInstance = NULL;
+ ofn.lpstrFilter = szFilter;
+ ofn.lpstrCustomFilter = NULL;
+ ofn.nMaxCustFilter = 0;
+ ofn.nFilterIndex = 0;
+ ofn.lpstrFile = NULL; /* Set in Open and Close functions */
+ ofn.nMaxFile = MAX_PATH;
+ ofn.lpstrFileTitle = NULL; /* Set in Open and Close functions */
+ ofn.nMaxFileTitle = MAX_PATH;
+ ofn.lpstrInitialDir = NULL;
+ ofn.lpstrTitle = NULL;
+ ofn.Flags = 0; /* Set in Open and Close functions */
+ ofn.nFileOffset = 0;
+ ofn.nFileExtension = 0;
+ ofn.lpstrDefExt = TEXT ("png");
+ ofn.lCustData = 0;
+ ofn.lpfnHook = NULL;
+ ofn.lpTemplateName = NULL;
+}
+
+BOOL PngFileOpenDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName)
+{
+ ofn.hwndOwner = hwnd;
+ ofn.lpstrFile = pstrFileName;
+ ofn.lpstrFileTitle = pstrTitleName;
+ ofn.Flags = OFN_HIDEREADONLY;
+
+ return GetOpenFileName (&ofn);
+}
+
+BOOL PngFileSaveDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName)
+{
+ ofn.hwndOwner = hwnd;
+ ofn.lpstrFile = pstrFileName;
+ ofn.lpstrFileTitle = pstrTitleName;
+ ofn.Flags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT;
+
+ return GetSaveFileName (&ofn);
+}
+
+/* PNG image handler functions */
+
+BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData,
+ int *piWidth, int *piHeight, int *piChannels, png_color *pBkgColor)
+{
+ static FILE *pfFile;
+ png_byte pbSig[8];
+ int iBitDepth;
+ int iColorType;
+ double dGamma;
+ png_color_16 *pBackground;
+ png_uint_32 ulChannels;
+ png_uint_32 ulRowBytes;
+ png_byte *pbImageData = *ppbImageData;
+ static png_byte **ppbRowPointers = NULL;
+ int i;
+
+ /* open the PNG input file */
+
+ if (!pstrFileName)
+ {
+ *ppbImageData = pbImageData = NULL;
+ return FALSE;
+ }
+
+ if (!(pfFile = fopen(pstrFileName, "rb")))
+ {
+ *ppbImageData = pbImageData = NULL;
+ return FALSE;
+ }
+
+ /* first check the eight byte PNG signature */
+
+ fread(pbSig, 1, 8, pfFile);
+ if (png_sig_cmp(pbSig, 0, 8))
+ {
+ *ppbImageData = pbImageData = NULL;
+ return FALSE;
+ }
+
+ /* create the two png(-info) structures */
+
+ png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL,
+ (png_error_ptr)png_cexcept_error, (png_error_ptr)NULL);
+ if (!png_ptr)
+ {
+ *ppbImageData = pbImageData = NULL;
+ return FALSE;
+ }
+
+ info_ptr = png_create_info_struct(png_ptr);
+ if (!info_ptr)
+ {
+ png_destroy_read_struct(&png_ptr, NULL, NULL);
+ *ppbImageData = pbImageData = NULL;
+ return FALSE;
+ }
+
+ Try
+ {
+
+ /* initialize the png structure */
+
+#ifdef PNG_STDIO_SUPPORTED
+ png_init_io(png_ptr, pfFile);
+#else
+ png_set_read_fn(png_ptr, (png_voidp)pfFile, png_read_data);
+#endif
+
+ png_set_sig_bytes(png_ptr, 8);
+
+ /* read all PNG info up to image data */
+
+ png_read_info(png_ptr, info_ptr);
+
+ /* get width, height, bit-depth and color-type */
+
+ png_get_IHDR(png_ptr, info_ptr, piWidth, piHeight, &iBitDepth,
+ &iColorType, NULL, NULL, NULL);
+
+ /* expand images of all color-type and bit-depth to 3x8-bit RGB */
+ /* let the library process alpha, transparency, background, etc. */
+
+#ifdef PNG_READ_16_TO_8_SUPPORTED
+ if (iBitDepth == 16)
+# ifdef PNG_READ_SCALE_16_TO_8_SUPPORTED
+ png_set_scale_16(png_ptr);
+# else
+ png_set_strip_16(png_ptr);
+# endif
+#endif
+ if (iColorType == PNG_COLOR_TYPE_PALETTE)
+ png_set_expand(png_ptr);
+ if (iBitDepth < 8)
+ png_set_expand(png_ptr);
+ if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
+ png_set_expand(png_ptr);
+ if (iColorType == PNG_COLOR_TYPE_GRAY ||
+ iColorType == PNG_COLOR_TYPE_GRAY_ALPHA)
+ png_set_gray_to_rgb(png_ptr);
+
+ /* set the background color to draw transparent and alpha images over */
+ if (png_get_bKGD(png_ptr, info_ptr, &pBackground))
+ {
+ png_set_background(png_ptr, pBackground, PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
+ pBkgColor->red = (byte) pBackground->red;
+ pBkgColor->green = (byte) pBackground->green;
+ pBkgColor->blue = (byte) pBackground->blue;
+ }
+ else
+ {
+ pBkgColor = NULL;
+ }
+
+ /* if required set gamma conversion */
+ if (png_get_gAMA(png_ptr, info_ptr, &dGamma))
+ png_set_gamma(png_ptr, (double) 2.2, dGamma);
+
+ /* after the transformations are registered, update info_ptr data */
+
+ png_read_update_info(png_ptr, info_ptr);
+
+ /* get again width, height and the new bit-depth and color-type */
+
+ png_get_IHDR(png_ptr, info_ptr, piWidth, piHeight, &iBitDepth,
+ &iColorType, NULL, NULL, NULL);
+
+
+ /* row_bytes is the width x number of channels */
+
+ ulRowBytes = png_get_rowbytes(png_ptr, info_ptr);
+ ulChannels = png_get_channels(png_ptr, info_ptr);
+
+ *piChannels = ulChannels;
+
+ /* now we can allocate memory to store the image */
+
+ if (pbImageData)
+ {
+ free (pbImageData);
+ pbImageData = NULL;
+ }
+ if ((*piHeight) > ((size_t)(-1))/ulRowBytes) {
+ {
+ png_error(png_ptr, "Visual PNG: image is too big");
+ }
+ if ((pbImageData = (png_byte *) malloc(ulRowBytes * (*piHeight)
+ * sizeof(png_byte))) == NULL)
+ {
+ png_error(png_ptr, "Visual PNG: out of memory");
+ }
+ *ppbImageData = pbImageData;
+
+ /* and allocate memory for an array of row-pointers */
+
+ if ((ppbRowPointers = (png_bytepp) malloc((*piHeight)
+ * sizeof(png_bytep))) == NULL)
+ {
+ png_error(png_ptr, "Visual PNG: out of memory");
+ }
+
+ /* set the individual row-pointers to point at the correct offsets */
+
+ for (i = 0; i < (*piHeight); i++)
+ ppbRowPointers[i] = pbImageData + i * ulRowBytes;
+
+ /* now we can go ahead and just read the whole image */
+
+ png_read_image(png_ptr, ppbRowPointers);
+
+ /* read the additional chunks in the PNG file (not really needed) */
+
+ png_read_end(png_ptr, NULL);
+
+ /* and we're done */
+
+ free (ppbRowPointers);
+ ppbRowPointers = NULL;
+
+ /* yepp, done */
+ }
+
+ Catch (msg)
+ {
+ png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
+
+ *ppbImageData = pbImageData = NULL;
+
+ if(ppbRowPointers)
+ free (ppbRowPointers);
+
+ fclose(pfFile);
+
+ return FALSE;
+ }
+
+ fclose (pfFile);
+
+ return TRUE;
+}
+
+
+BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData,
+ int iWidth, int iHeight, png_color bkgColor)
+{
+ const int ciBitDepth = 8;
+ const int ciChannels = 3;
+
+ static FILE *pfFile;
+ png_uint_32 ulRowBytes;
+ static png_byte **ppbRowPointers = NULL;
+ int i;
+
+ /* open the PNG output file */
+
+ if (!pstrFileName)
+ return FALSE;
+
+ if (!(pfFile = fopen(pstrFileName, "wb")))
+ return FALSE;
+
+ /* prepare the standard PNG structures */
+
+ png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL,
+ (png_error_ptr)png_cexcept_error, (png_error_ptr)NULL);
+ if (!png_ptr)
+ {
+ fclose(pfFile);
+ return FALSE;
+ }
+
+ info_ptr = png_create_info_struct(png_ptr);
+ if (!info_ptr) {
+ fclose(pfFile);
+ png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
+ return FALSE;
+ }
+
+ Try
+ {
+ /* initialize the png structure */
+
+#ifdef PNG_STDIO_SUPPORTED
+ png_init_io(png_ptr, pfFile);
+#else
+ png_set_write_fn(png_ptr, (png_voidp)pfFile, png_write_data, png_flush);
+#endif
+
+ /* we're going to write a very simple 3x8-bit RGB image */
+
+ png_set_IHDR(png_ptr, info_ptr, iWidth, iHeight, ciBitDepth,
+ PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE,
+ PNG_FILTER_TYPE_BASE);
+
+ /* write the file header information */
+
+ png_write_info(png_ptr, info_ptr);
+
+ /* swap the BGR pixels in the DiData structure to RGB */
+
+ png_set_bgr(png_ptr);
+
+ /* row_bytes is the width x number of channels */
+
+ ulRowBytes = iWidth * ciChannels;
+
+ /* we can allocate memory for an array of row-pointers */
+
+ if ((ppbRowPointers = (png_bytepp) malloc(iHeight * sizeof(png_bytep))) == NULL)
+ Throw "Visualpng: Out of memory";
+
+ /* set the individual row-pointers to point at the correct offsets */
+
+ for (i = 0; i < iHeight; i++)
+ ppbRowPointers[i] = pDiData + i * (((ulRowBytes + 3) >> 2) << 2);
+
+ /* write out the entire image data in one call */
+
+ png_write_image (png_ptr, ppbRowPointers);
+
+ /* write the additional chunks to the PNG file (not really needed) */
+
+ png_write_end(png_ptr, info_ptr);
+
+ /* and we're done */
+
+ free (ppbRowPointers);
+ ppbRowPointers = NULL;
+
+ /* clean up after the write, and free any memory allocated */
+
+ png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
+
+ /* yepp, done */
+ }
+
+ Catch (msg)
+ {
+ png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
+
+ if(ppbRowPointers)
+ free (ppbRowPointers);
+
+ fclose(pfFile);
+
+ return FALSE;
+ }
+
+ fclose (pfFile);
+
+ return TRUE;
+}
+
+#ifndef PNG_STDIO_SUPPORTED
+
+static void
+png_read_data(png_structp png_ptr, png_bytep data, size_t length)
+{
+ size_t check;
+
+ /* fread() returns 0 on error, so it is OK to store this in a size_t
+ * instead of an int, which is what fread() actually returns.
+ */
+ check = fread(data, 1, length, (FILE *)png_ptr->io_ptr);
+
+ if (check != length)
+ {
+ png_error(png_ptr, "Read Error");
+ }
+}
+
+static void
+png_write_data(png_structp png_ptr, png_bytep data, size_t length)
+{
+ png_uint_32 check;
+
+ check = fwrite(data, 1, length, (FILE *)(png_ptr->io_ptr));
+ if (check != length)
+ {
+ png_error(png_ptr, "Write Error");
+ }
+}
+
+static void
+png_flush(png_structp png_ptr)
+{
+ FILE *io_ptr;
+ io_ptr = (FILE *)CVT_PTR((png_ptr->io_ptr));
+ if (io_ptr != NULL)
+ fflush(io_ptr);
+}
+
+#endif
+
+/*-----------------
+ * end of source
+ *-----------------
+ */