コード例 #1
0
ファイル: gd2topng.c プロジェクト: aosm/graphviz
int
main (int argc, char **argv)
{
  gdImagePtr im;
  FILE *in, *out;
  int x, y, w, h;
  if ((argc != 3) && (argc != 7))
    {
      fprintf (stderr,
	       "Usage: gd2topng filename.gd2 filename.png [srcx srcy width height]\n");
      fprintf (stderr,
	       "If the coordinates are absent,t he entire image is converted.\n");
      exit (1);
    }
  if (argc == 7)
    {
      x = atoi (argv[3]);
      y = atoi (argv[4]);
      w = atoi (argv[5]);
      h = atoi (argv[6]);
    }
  in = fopen (argv[1], "rb");
  if (!in)
    {
      fprintf (stderr, "Input file does not exist!\n");
      exit (1);
    }
  if (argc == 7)
    {
      im = gdImageCreateFromGd2Part (in, x, y, w, h);
    }
  else
    {
      im = gdImageCreateFromGd2 (in);
    }
  fclose (in);
  if (!im)
    {
      fprintf (stderr, "Input is not in GD2 format!\n");
      exit (1);
    }
  out = fopen (argv[2], "wb");
  if (!out)
    {
      fprintf (stderr, "Output file cannot be written to!\n");
      gdImageDestroy (im);
      exit (1);
    }
#ifdef HAVE_LIBPNG
  gdImagePng (im, out);
#else
  fprintf (stderr, "No PNG library support available.\n");
#endif
  fclose (out);
  gdImageDestroy (im);

  return 0;
}
コード例 #2
0
ファイル: nGDFile.c プロジェクト: TheHippo/hxGD
value ImageCreateFromGd2Part(value filename, value srcX, value srcY, value width, value height) {
	FILE *_file = openFileRead(filename);
	int _srcX = val_int(srcX);
	int _srcY = val_int(srcY);
	int _width = val_int(width);
	int _height = val_int(height);
	gdImagePtr img = gdImageCreateFromGd2Part(_file,_srcX,_srcY,_width,_height);
	fclose(_file);
	return alloc_gc_image(img);
}
コード例 #3
0
ファイル: gdparttopng.c プロジェクト: kanbang/Colt
int
main (int argc, char **argv)
{
  gdImagePtr im;
  FILE *in, *out;
  int x, y, w, h;

  if (argc != 7)
    {
      fprintf (stderr,
	       "Usage: gdparttopng filename.gd filename.png x y w h\n");
      exit (1);
    }
  in = fopen (argv[1], "rb");
  if (!in)
    {
      fprintf (stderr, "Input file does not exist!\n");
      exit (1);
    }

  x = atoi (argv[3]);
  y = atoi (argv[4]);
  w = atoi (argv[5]);
  h = atoi (argv[6]);

  printf ("Extracting from (%d, %d), size is %dx%d\n", x, y, w, h);

  im = gdImageCreateFromGd2Part (in, x, y, w, h);
  fclose (in);
  if (!im)
    {
      fprintf (stderr, "Input is not in PNG format!\n");
      exit (1);
    }
  out = fopen (argv[2], "wb");
  if (!out)
    {
      fprintf (stderr, "Output file cannot be written to!\n");
      gdImageDestroy (im);
      exit (1);
    }
#ifdef HAVE_LIBPNG
  gdImagePng (im, out);
#else
  fprintf (stderr, "No PNG library support.\n");
#endif
  fclose (out);
  gdImageDestroy (im);

  return 0;
}
コード例 #4
0
int main(int argc, char **argv)
{
	gdImagePtr im;
	FILE *in;
	int x, y, w, h;
	int c;
	int i;
	int t0;

	if (argc != 7) {
		fprintf(stderr, "Usage: gd2time filename.gd count x y w h\n");
		exit(1);
	}

	c = atoi(argv[2]);
	x = atoi(argv[3]);
	y = atoi(argv[4]);
        w = atoi(argv[5]);
        h = atoi(argv[6]);

	printf("Extracting %d times from (%d, %d), size is %dx%d\n", c, x, y, w, h);

	t0 = time(0);
	for (i=0; i < c; i++) {
        	in = fopen(argv[1], "rb");
        	if (!in) {
        	        fprintf(stderr, "Input file does not exist!\n");
        	        exit(1);
        	}

		im = gdImageCreateFromGd2Part(in, x, y, w, h);
		fclose(in);

        	if (!im) {
                	fprintf(stderr, "Error reading source file!\n");
                	exit(1);
        	}
		gdImageDestroy(im);
	};
	t0 = time(0) - t0;
	printf("%d seconds to extract (& destroy) %d times\n",t0, c);

	return 0;
}
コード例 #5
0
ファイル: gdtest.c プロジェクト: AlexandreBurel/pwiz-mzdb
int
main (int argc, char **argv)
{
#ifdef HAVE_LIBPNG
  gdImagePtr im, ref, im2, im3;
  FILE *in, *out;
  void *iptr;
  int sz;
  char of[256];
  int colRed, colBlu;
  gdSource imgsrc;
  gdSink imgsnk;
  int foreground;
  int i;
  if (argc != 2)
    {
      fprintf (stderr, "Usage: gdtest filename.png\n");
      exit (1);
    }
  in = fopen (argv[1], "rb");
  if (!in)
    {
      fprintf (stderr, "Input file does not exist!\n");
      exit (1);
    }
  im = gdImageCreateFromPng (in);

  rewind (in);
  ref = gdImageCreateFromPng (in);

  fclose (in);

  printf ("Reference File has %d Palette entries\n", ref->colorsTotal);

  CompareImages ("Initial Versions", ref, im);


  /* */
  /* Send to PNG File then Ptr */
  /* */
#ifdef VMS
  sprintf (of, "%s-png", argv[1]);
#else
  sprintf (of, "%s.png", argv[1]);
#endif
  out = fopen (of, "wb");
  gdImagePng (im, out);
  fclose (out);

  in = fopen (of, "rb");
  if (!in)
    {
      fprintf (stderr, "PNG Output file does not exist!\n");
      exit (1);
    }
  im2 = gdImageCreateFromPng (in);
  fclose (in);

  CompareImages ("GD->PNG File->GD", ref, im2);

  unlink (of);
  gdImageDestroy (im2);

  /* 2.0.21: use the new From*Ptr functions */
  iptr = gdImagePngPtr (im, &sz);
  im2 = gdImageCreateFromPngPtr (sz, iptr);
  gdFree (iptr);
  CompareImages ("GD->PNG ptr->GD", ref, im2);

  gdImageDestroy (im2);

  /* */
  /* Send to GD2 File then Ptr */
  /* */
#ifdef VMS
  sprintf (of, "%s-gd2", argv[1]);
#else
  sprintf (of, "%s.gd2", argv[1]);
#endif
  out = fopen (of, "wb");
  gdImageGd2 (im, out, 128, 2);
  fclose (out);

  in = fopen (of, "rb");
  if (!in)
    {
      fprintf (stderr, "GD2 Output file does not exist!\n");
      exit (1);
    }
  im2 = gdImageCreateFromGd2 (in);
  fclose (in);

  CompareImages ("GD->GD2 File->GD", ref, im2);

  unlink (of);
  gdImageDestroy (im2);

  iptr = gdImageGd2Ptr (im, 128, 2, &sz);
  /*printf("Got ptr %d (size %d)\n",iptr, sz); */
  im2 = gdImageCreateFromGd2Ptr (sz, iptr);
  gdFree (iptr);
  /*printf("Got img2 %d\n",im2); */

  CompareImages ("GD->GD2 ptr->GD", ref, im2);

  gdImageDestroy (im2);

  /* */
  /* Send to GD File then Ptr */
  /* */
#ifdef VMS
  sprintf (of, "%s-gd", argv[1]);
#else
  sprintf (of, "%s.gd", argv[1]);
#endif
  out = fopen (of, "wb");
  gdImageGd (im, out);
  fclose (out);

  in = fopen (of, "rb");
  if (!in)
    {
      fprintf (stderr, "GD Output file does not exist!\n");
      exit (1);
    }
  im2 = gdImageCreateFromGd (in);
  fclose (in);

  CompareImages ("GD->GD File->GD", ref, im2);

  unlink (of);
  gdImageDestroy (im2);

  iptr = gdImageGdPtr (im, &sz);
  /*printf("Got ptr %d (size %d)\n",iptr, sz); */
  im2 = gdImageCreateFromGdPtr (sz, iptr);
  gdFree (iptr);
  /*printf("Got img2 %d\n",im2); */

  CompareImages ("GD->GD ptr->GD", ref, im2);

  gdImageDestroy (im2);

  /*
   * Test gdImageCreateFromPngSource'
   */

  in = fopen (argv[1], "rb");

  imgsrc.source = freadWrapper;
  imgsrc.context = in;
  im2 = gdImageCreateFromPngSource (&imgsrc);
  fclose (in);

  if (im2 == NULL)
    {
      printf
	("GD Source: ERROR Null returned by gdImageCreateFromPngSource\n");
    }
  else
    {
      CompareImages ("GD Source", ref, im2);
      gdImageDestroy (im2);
    };


  /*
   * Test gdImagePngToSink'
   */
#ifdef VMS
  sprintf (of, "%s-snk", argv[1]);
#else
  sprintf (of, "%s.snk", argv[1]);
#endif
  out = fopen (of, "wb");
  imgsnk.sink = fwriteWrapper;
  imgsnk.context = out;
  gdImagePngToSink (im, &imgsnk);
  fclose (out);
  in = fopen (of, "rb");
  if (!in)
    {
      fprintf (stderr,
	       "GD Sink: ERROR - GD Sink Output file does not exist!\n");
    }
  else
    {
      im2 = gdImageCreateFromPng (in);
      fclose (in);

      CompareImages ("GD Sink", ref, im2);
      gdImageDestroy (im2);
    };

  unlink (of);

  /* */
  /*  Test Extraction */
  /* */
  in = fopen ("test/gdtest_200_300_150_100.png", "rb");
  if (!in)
    {
      fprintf (stderr, "gdtest_200_300_150_100.png does not exist!\n");
      exit (1);
    }
  im2 = gdImageCreateFromPng (in);
  fclose (in);


  in = fopen ("test/gdtest.gd2", "rb");
  if (!in)
    {
      fprintf (stderr, "gdtest.gd2 does not exist!\n");
      exit (1);
    }
  im3 = gdImageCreateFromGd2Part (in, 200, 300, 150, 100);
  fclose (in);

  CompareImages ("GD2Part (gdtest_200_300_150_100.png, gdtest.gd2(part))",
		 im2, im3);

  gdImageDestroy (im2);
  gdImageDestroy (im3);

  /* */
  /*  Copy Blend */
  /* */
  in = fopen ("test/gdtest.png", "rb");
  if (!in)
    {
      fprintf (stderr, "gdtest.png does not exist!\n");
      exit (1);
    }
  im2 = gdImageCreateFromPng (in);
  fclose (in);

  im3 = gdImageCreate (100, 60);
  colRed = gdImageColorAllocate (im3, 255, 0, 0);
  colBlu = gdImageColorAllocate (im3, 0, 0, 255);
  gdImageFilledRectangle (im3, 0, 0, 49, 30, colRed);
  gdImageFilledRectangle (im3, 50, 30, 99, 59, colBlu);

  gdImageCopyMerge (im2, im3, 150, 200, 10, 10, 90, 50, 50);
  gdImageCopyMerge (im2, im3, 180, 70, 10, 10, 90, 50, 50);

  gdImageCopyMergeGray (im2, im3, 250, 160, 10, 10, 90, 50, 50);
  gdImageCopyMergeGray (im2, im3, 80, 70, 10, 10, 90, 50, 50);

  gdImageDestroy (im3);

  in = fopen ("test/gdtest_merge.png", "rb");
  if (!in)
    {
      fprintf (stderr, "gdtest_merge.png does not exist!\n");
      exit (1);
    }
  im3 = gdImageCreateFromPng (in);
  fclose (in);

  printf ("[Merged Image has %d colours]\n", im2->colorsTotal);
  CompareImages ("Merged (gdtest.png, gdtest_merge.png)", im2, im3);

  gdImageDestroy (im2);
  gdImageDestroy (im3);

#ifdef HAVE_LIBJPEG
  out = fopen ("test/gdtest.jpg", "wb");
  if (!out)
    {
      fprintf (stderr, "Can't create file test/gdtest.jpg.\n");
      exit (1);
    }
  gdImageJpeg (im, out, -1);
  fclose (out);
  in = fopen ("test/gdtest.jpg", "rb");
  if (!in)
    {
      fprintf (stderr, "Can't open file test/gdtest.jpg.\n");
      exit (1);
    }
  im2 = gdImageCreateFromJpeg (in);
  fclose (in);
  if (!im2)
    {
      fprintf (stderr, "gdImageCreateFromJpeg failed.\n");
      exit (1);
    }
  gdImageDestroy (im2);
  printf ("Created test/gdtest.jpg successfully. Compare this image\n"
	  "to the input image manually. Some difference must be\n"
	  "expected as JPEG is a lossy file format.\n");
#endif /* HAVE_LIBJPEG */
  /* Assume the color closest to black is the foreground
     color for the B&W wbmp image. */
  fprintf (stderr,
	   "NOTE: the WBMP output image will NOT match the original unless the original\n"
	   "is also black and white. This is OK!\n");
  foreground = gdImageColorClosest (im, 0, 0, 0);
  fprintf (stderr, "Foreground index is %d\n", foreground);
  if (foreground == -1)
    {
      fprintf (stderr, "Source image has no colors, skipping wbmp test.\n");
    }
  else
    {
      out = fopen ("test/gdtest.wbmp", "wb");
      if (!out)
	{
	  fprintf (stderr, "Can't create file test/gdtest.wbmp.\n");
	  exit (1);
	}
      gdImageWBMP (im, foreground, out);
      fclose (out);
      in = fopen ("test/gdtest.wbmp", "rb");
      if (!in)
	{
	  fprintf (stderr, "Can't open file test/gdtest.wbmp.\n");
	  exit (1);
	}
      im2 = gdImageCreateFromWBMP (in);
      fprintf (stderr, "WBMP has %d colors\n", gdImageColorsTotal (im2));
      fprintf (stderr, "WBMP colors are:\n");
      for (i = 0; (i < gdImageColorsTotal (im2)); i++)
	{
	  fprintf (stderr, "%02X%02X%02X\n",
		   gdImageRed (im2, i),
		   gdImageGreen (im2, i), gdImageBlue (im2, i));
	}
      fclose (in);
      if (!im2)
	{
	  fprintf (stderr, "gdImageCreateFromWBMP failed.\n");
	  exit (1);
	}
      CompareImages ("WBMP test (gdtest.png, gdtest.wbmp)", ref, im2);
      out = fopen ("test/gdtest_wbmp_to_png.png", "wb");
      if (!out)
	{
	  fprintf (stderr,
		   "Can't create file test/gdtest_wbmp_to_png.png.\n");
	  exit (1);
	}
      gdImagePng (im2, out);
      fclose (out);
      gdImageDestroy (im2);
    }
  gdImageDestroy (im);
  gdImageDestroy (ref);
#else
  fprintf (stderr, "No PNG library support.\n");
#endif /* HAVE_LIBPNG */

  return 0;
}
コード例 #6
0
ファイル: graphics_gd.c プロジェクト: tabe/Gauche-gd
int
graphicsGdImageCreateFromGd2Part(gdImage **dst, const char *path, int srcx, int srcy, int w, int h)
{
  CALL_WITH_F5(path, "rb", F_RDLCK, gdImageCreateFromGd2Part(f, srcx, srcy, w, h), *dst);
}