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diff --git a/driver/testcmyk.c b/driver/testcmyk.c
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+/*
+ * "$Id: testcmyk.c 9982 2011-09-09 17:32:52Z mike $"
+ *
+ * Test the CMYK color separation code for CUPS.
+ *
+ * Copyright 2007-2011 by Apple Inc.
+ * Copyright 1993-2006 by Easy Software Products, All Rights Reserved.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Apple Inc. and are protected by Federal copyright
+ * law. Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file. If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ *
+ * Contents:
+ *
+ * test_gray() - Test grayscale separations...
+ * test_rgb() - Test color separations...
+ * main() - Do color separation tests.
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include <cups/string-private.h>
+#include "driver.h"
+#include <sys/stat.h>
+
+
+void test_gray(int num_comps, const char *base);
+void test_rgb(int num_comps, const char *base);
+
+
+/*
+ * 'main()' - Do color separation tests.
+ */
+
+int /* O - Exit status */
+main(int argc, /* I - Number of command-line arguments */
+ char *argv[]) /* I - Command-line arguments */
+{
+ /*
+ * Make the test directory...
+ */
+
+ mkdir("test", 0755);
+
+ /*
+ * Run tests for K, Kk, CMY, CMYK, CcMmYK, and CcMmYKk separations...
+ */
+
+ test_rgb(1, "test/K-rgb");
+ test_rgb(2, "test/Kk-rgb");
+ test_rgb(3, "test/CMY-rgb");
+ test_rgb(4, "test/CMYK-rgb");
+ test_rgb(6, "test/CcMmYK-rgb");
+ test_rgb(7, "test/CcMmYKk-rgb");
+
+ test_gray(1, "test/K-gray");
+ test_gray(2, "test/Kk-gray");
+ test_gray(3, "test/CMY-gray");
+ test_gray(4, "test/CMYK-gray");
+ test_gray(6, "test/CcMmYK-gray");
+ test_gray(7, "test/CcMmYKk-gray");
+
+ /*
+ * Return with no errors...
+ */
+
+ return (0);
+}
+
+
+/*
+ * 'test_gray()' - Test grayscale separations...
+ */
+
+void
+test_gray(int num_comps, /* I - Number of components */
+ const char *base) /* I - Base filename of output */
+{
+ int i; /* Looping var */
+ char filename[255]; /* Output filename */
+ char line[255]; /* Line from PGM file */
+ int width, height; /* Width and height of test image */
+ int x, y; /* Current coordinate in image */
+ int r, g, b; /* Current RGB color */
+ unsigned char input[7000]; /* Line to separate */
+ short output[48000], /* Output separation data */
+ *outptr; /* Pointer in output */
+ FILE *in; /* Input PPM file */
+ FILE *out[CUPS_MAX_CHAN];
+ /* Output PGM files */
+ FILE *comp; /* Composite output */
+ cups_cmyk_t *cmyk; /* Color separation */
+
+
+ /*
+ * Open the test image...
+ */
+
+ in = fopen("image.pgm", "rb");
+ while (fgets(line, sizeof(line), in) != NULL)
+ if (isdigit(line[0]))
+ break;
+
+ sscanf(line, "%d%d", &width, &height);
+
+ fgets(line, sizeof(line), in);
+
+ /*
+ * Create the color separation...
+ */
+
+ cmyk = cupsCMYKNew(num_comps);
+
+ switch (num_comps)
+ {
+ case 2 : /* Kk */
+ cupsCMYKSetLtDk(cmyk, 0, 0.5, 1.0);
+ break;
+
+ case 4 :
+ cupsCMYKSetGamma(cmyk, 2, 1.0, 0.9);
+ cupsCMYKSetBlack(cmyk, 0.5, 1.0);
+ break;
+
+ case 6 : /* CcMmYK */
+ cupsCMYKSetLtDk(cmyk, 0, 0.5, 1.0);
+ cupsCMYKSetLtDk(cmyk, 2, 0.5, 1.0);
+ cupsCMYKSetGamma(cmyk, 4, 1.0, 0.9);
+ cupsCMYKSetBlack(cmyk, 0.5, 1.0);
+ break;
+
+ case 7 : /* CcMmYKk */
+ cupsCMYKSetLtDk(cmyk, 0, 0.5, 1.0);
+ cupsCMYKSetLtDk(cmyk, 2, 0.5, 1.0);
+ cupsCMYKSetGamma(cmyk, 4, 1.0, 0.9);
+ cupsCMYKSetLtDk(cmyk, 5, 0.5, 1.0);
+ break;
+ }
+
+ /*
+ * Open the color separation files...
+ */
+
+ for (i = 0; i < num_comps; i ++)
+ {
+ sprintf(filename, "%s%d.pgm", base, i);
+ out[i] = fopen(filename, "wb");
+
+ fprintf(out[i], "P5\n%d %d 255\n", width, height);
+ }
+
+ sprintf(filename, "%s.ppm", base);
+ comp = fopen(filename, "wb");
+
+ fprintf(comp, "P6\n%d %d 255\n", width, height);
+
+ /*
+ * Read the image and do the separations...
+ */
+
+ for (y = 0; y < height; y ++)
+ {
+ fread(input, width, 1, in);
+
+ cupsCMYKDoGray(cmyk, input, output, width);
+
+ for (x = 0, outptr = output; x < width; x ++, outptr += num_comps)
+ {
+ for (i = 0; i < num_comps; i ++)
+ putc(255 - 255 * outptr[i] / 4095, out[i]);
+
+ r = 4095;
+ g = 4095;
+ b = 4095;
+
+ switch (num_comps)
+ {
+ case 1 :
+ r -= outptr[0];
+ g -= outptr[0];
+ b -= outptr[0];
+ break;
+ case 2 :
+ r -= outptr[0];
+ g -= outptr[0];
+ b -= outptr[0];
+
+ r -= outptr[1] / 2;
+ g -= outptr[1] / 2;
+ b -= outptr[1] / 2;
+ break;
+ case 3 :
+ r -= outptr[0];
+ g -= outptr[1];
+ b -= outptr[2];
+ break;
+ case 4 :
+ r -= outptr[0];
+ g -= outptr[1];
+ b -= outptr[2];
+
+ r -= outptr[3];
+ g -= outptr[3];
+ b -= outptr[3];
+ break;
+ case 6 :
+ r -= outptr[0] + outptr[1] / 2;
+ g -= outptr[2] + outptr[3] / 3;
+ b -= outptr[4];
+
+ r -= outptr[5];
+ g -= outptr[5];
+ b -= outptr[5];
+ break;
+ case 7 :
+ r -= outptr[0] + outptr[1] / 2;
+ g -= outptr[2] + outptr[3] / 3;
+ b -= outptr[4];
+
+ r -= outptr[5] + outptr[6] / 2;
+ g -= outptr[5] + outptr[6] / 2;
+ b -= outptr[5] + outptr[6] / 2;
+ break;
+ }
+
+ if (r < 0)
+ putc(0, comp);
+ else
+ putc(255 * r / 4095, comp);
+
+ if (g < 0)
+ putc(0, comp);
+ else
+ putc(255 * g / 4095, comp);
+
+ if (b < 0)
+ putc(0, comp);
+ else
+ putc(255 * b / 4095, comp);
+ }
+ }
+
+ for (i = 0; i < num_comps; i ++)
+ fclose(out[i]);
+
+ fclose(comp);
+ fclose(in);
+
+ cupsCMYKDelete(cmyk);
+}
+
+
+/*
+ * 'test_rgb()' - Test color separations...
+ */
+
+void
+test_rgb(int num_comps, /* I - Number of components */
+ const char *base) /* I - Base filename of output */
+{
+ int i; /* Looping var */
+ char filename[255]; /* Output filename */
+ char line[255]; /* Line from PPM file */
+ int width, height; /* Width and height of test image */
+ int x, y; /* Current coordinate in image */
+ int r, g, b; /* Current RGB color */
+ unsigned char input[7000]; /* Line to separate */
+ short output[48000], /* Output separation data */
+ *outptr; /* Pointer in output */
+ FILE *in; /* Input PPM file */
+ FILE *out[CUPS_MAX_CHAN];
+ /* Output PGM files */
+ FILE *comp; /* Composite output */
+ cups_cmyk_t *cmyk; /* Color separation */
+
+
+ /*
+ * Open the test image...
+ */
+
+ in = fopen("image.ppm", "rb");
+ while (fgets(line, sizeof(line), in) != NULL)
+ if (isdigit(line[0]))
+ break;
+
+ sscanf(line, "%d%d", &width, &height);
+
+ fgets(line, sizeof(line), in);
+
+ /*
+ * Create the color separation...
+ */
+
+ cmyk = cupsCMYKNew(num_comps);
+
+ cupsCMYKSetBlack(cmyk, 0.5, 1.0);
+
+ switch (num_comps)
+ {
+ case 2 : /* Kk */
+ cupsCMYKSetLtDk(cmyk, 0, 0.5, 1.0);
+ break;
+ case 6 : /* CcMmYK */
+ cupsCMYKSetGamma(cmyk, 0, 1.0, 0.8);
+ cupsCMYKSetLtDk(cmyk, 0, 0.5, 1.0);
+ cupsCMYKSetGamma(cmyk, 2, 1.0, 0.8);
+ cupsCMYKSetLtDk(cmyk, 2, 0.5, 1.0);
+ break;
+ case 7 : /* CcMmYKk */
+ cupsCMYKSetGamma(cmyk, 0, 1.0, 0.8);
+ cupsCMYKSetLtDk(cmyk, 0, 0.5, 1.0);
+ cupsCMYKSetGamma(cmyk, 2, 1.0, 0.8);
+ cupsCMYKSetLtDk(cmyk, 2, 0.5, 1.0);
+ cupsCMYKSetLtDk(cmyk, 5, 0.5, 1.0);
+ break;
+ }
+
+ /*
+ * Open the color separation files...
+ */
+
+ for (i = 0; i < num_comps; i ++)
+ {
+ sprintf(filename, "%s%d.pgm", base, i);
+ out[i] = fopen(filename, "wb");
+
+ fprintf(out[i], "P5\n%d %d 255\n", width, height);
+ }
+
+ sprintf(filename, "%s.ppm", base);
+ comp = fopen(filename, "wb");
+
+ fprintf(comp, "P6\n%d %d 255\n", width, height);
+
+ /*
+ * Read the image and do the separations...
+ */
+
+ for (y = 0; y < height; y ++)
+ {
+ fread(input, width, 3, in);
+
+ cupsCMYKDoRGB(cmyk, input, output, width);
+
+ for (x = 0, outptr = output; x < width; x ++, outptr += num_comps)
+ {
+ for (i = 0; i < num_comps; i ++)
+ putc(255 - 255 * outptr[i] / 4095, out[i]);
+
+ r = 4095;
+ g = 4095;
+ b = 4095;
+
+ switch (num_comps)
+ {
+ case 1 :
+ r -= outptr[0];
+ g -= outptr[0];
+ b -= outptr[0];
+ break;
+ case 2 :
+ r -= outptr[0];
+ g -= outptr[0];
+ b -= outptr[0];
+
+ r -= outptr[1] / 2;
+ g -= outptr[1] / 2;
+ b -= outptr[1] / 2;
+ break;
+ case 3 :
+ r -= outptr[0];
+ g -= outptr[1];
+ b -= outptr[2];
+ break;
+ case 4 :
+ r -= outptr[0];
+ g -= outptr[1];
+ b -= outptr[2];
+
+ r -= outptr[3];
+ g -= outptr[3];
+ b -= outptr[3];
+ break;
+ case 6 :
+ r -= outptr[0] + outptr[1] / 2;
+ g -= outptr[2] + outptr[3] / 3;
+ b -= outptr[4];
+
+ r -= outptr[5];
+ g -= outptr[5];
+ b -= outptr[5];
+ break;
+ case 7 :
+ r -= outptr[0] + outptr[1] / 2;
+ g -= outptr[2] + outptr[3] / 3;
+ b -= outptr[4];
+
+ r -= outptr[5] + outptr[6] / 2;
+ g -= outptr[5] + outptr[6] / 2;
+ b -= outptr[5] + outptr[6] / 2;
+ break;
+ }
+
+ if (r < 0)
+ putc(0, comp);
+ else
+ putc(255 * r / 4095, comp);
+
+ if (g < 0)
+ putc(0, comp);
+ else
+ putc(255 * g / 4095, comp);
+
+ if (b < 0)
+ putc(0, comp);
+ else
+ putc(255 * b / 4095, comp);
+ }
+ }
+
+ for (i = 0; i < num_comps; i ++)
+ fclose(out[i]);
+
+ fclose(comp);
+ fclose(in);
+
+ cupsCMYKDelete(cmyk);
+}
+
+
+/*
+ * End of "$Id: testcmyk.c 9982 2011-09-09 17:32:52Z mike $".
+ */
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