diff options
Diffstat (limited to 'editor/pamrecolor.c')
| -rw-r--r-- | editor/pamrecolor.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/editor/pamrecolor.c b/editor/pamrecolor.c index 8c5bce12..644d022d 100644 --- a/editor/pamrecolor.c +++ b/editor/pamrecolor.c @@ -32,6 +32,7 @@ #include "mallocvar.h" #include "nstring.h" +#include "rand.h" #include "shhopt.h" #include "pam.h" @@ -175,17 +176,25 @@ explicitlyColorRow(struct pam * const pamP, static void randomlyColorRow(struct pam * const pamP, - tuplen * const rowData) { + tuplen * const rowData, + bool const randomseedSpec, + unsigned int const randomseed) { /*---------------------------------------------------------------------- Assign each tuple in a row a random color. ------------------------------------------------------------------------*/ unsigned int col; + struct pm_randSt randSt; + + pm_randinit(&randSt); + pm_srand2(&randSt, randomseedSpec, randomseed); for (col = 0; col < pamP->width; ++col) { - rowData[col][PAM_RED_PLANE] = rand() / (float)RAND_MAX; - rowData[col][PAM_GRN_PLANE] = rand() / (float)RAND_MAX; - rowData[col][PAM_BLU_PLANE] = rand() / (float)RAND_MAX; + rowData[col][PAM_RED_PLANE] = pm_drand(&randSt); + rowData[col][PAM_GRN_PLANE] = pm_drand(&randSt); + rowData[col][PAM_BLU_PLANE] = pm_drand(&randSt); } + + pm_randterm(&randSt); } @@ -462,8 +471,6 @@ main(int argc, const char *argv[]) { parseCommandLine(argc, argv, &cmdline); - srand(cmdline.randomseedSpec ? cmdline.randomseed : pm_randseed()); - ifP = pm_openr(cmdline.inputFileName); inPam.comment_p = &comments; pnm_readpaminit(ifP, &inPam, PAM_STRUCT_SIZE(comment_p)); @@ -505,7 +512,8 @@ main(int argc, const char *argv[]) { if (cmdline.targetcolorSpec) explicitlyColorRow(&colorPam, colorRow, cmdline.targetcolor); else - randomlyColorRow(&colorPam, colorRow); + randomlyColorRow(&colorPam, colorRow, + cmdline.randomseedSpec, cmdline.randomseed); } recolorRow(&inPam, inRow, &cmdline.color2gray, colorRow, |