diff options
Diffstat (limited to 'generator/ppmrough.c')
| -rw-r--r-- | generator/ppmrough.c | 530 |
1 files changed, 283 insertions, 247 deletions
diff --git a/generator/ppmrough.c b/generator/ppmrough.c index b21adedf..e749c9c2 100644 --- a/generator/ppmrough.c +++ b/generator/ppmrough.c @@ -15,6 +15,7 @@ #include <sys/time.h> #include "pm_c_util.h" +#include "mallocvar.h" #include "shhopt.h" #include "ppm.h" @@ -22,274 +23,309 @@ static pixel** PIX; static pixval BG_RED, BG_GREEN, BG_BLUE; -struct cmdlineInfo { +struct CmdlineInfo { /* All the information the user supplied in the command line, in a form easy for the program to use. */ - unsigned int left, right, top, bottom; - unsigned int width, height, var; - const char *bg_rgb; - const char *fg_rgb; - unsigned init; - unsigned int verbose; + unsigned int left, right, top, bottom; + unsigned int width, height, var; + const char * bg_rgb; + const char * fg_rgb; + unsigned int randomseed; + unsigned int randomseedSpec; + unsigned int verbose; }; static void -/*-------------------------------------------------------------------------- */ - parseCommandLine(int argc, char ** argv, struct cmdlineInfo *cmdlineP) -/*-------------------------------------------------------------------------- */ -{ - optEntry *option_def = malloc(100*sizeof(optEntry)); - /* Instructions to OptParseOptions2 on how to parse our options. */ - optStruct3 opt; - - unsigned int option_def_index; - - option_def_index = 0; /* incremented by OPTENTRY */ - OPTENT3(0, "width", OPT_UINT, &cmdlineP->width, NULL, 0); - OPTENT3(0, "height", OPT_UINT, &cmdlineP->height, NULL, 0); - OPTENT3(0, "left", OPT_UINT, &cmdlineP->left, NULL, 0); - OPTENT3(0, "right", OPT_UINT, &cmdlineP->right, NULL, 0); - OPTENT3(0, "top", OPT_UINT, &cmdlineP->top, NULL, 0); - OPTENT3(0, "bottom", OPT_UINT, &cmdlineP->bottom, NULL, 0); - OPTENT3(0, "bg", OPT_STRING, &cmdlineP->bg_rgb, NULL, 0); - OPTENT3(0, "fg", OPT_STRING, &cmdlineP->fg_rgb, NULL, 0); - OPTENT3(0, "var", OPT_UINT, &cmdlineP->var, NULL, 0); - OPTENT3(0, "init", OPT_UINT, &cmdlineP->init, NULL, 0); - OPTENT3(0, "verbose", OPT_FLAG, NULL, &cmdlineP->verbose, 0); - - /* Set the defaults */ - cmdlineP->width = 100; - cmdlineP->height = 100; - cmdlineP->left = cmdlineP->right = cmdlineP->top = cmdlineP->bottom = -1; - cmdlineP->bg_rgb = NULL; - cmdlineP->fg_rgb = NULL; - cmdlineP->var = 10; - - opt.opt_table = option_def; - opt.short_allowed = FALSE; /* We have no short (old-fashioned) options */ - opt.allowNegNum = FALSE; /* We have no parms that are negative numbers */ - - optParseOptions3(&argc, argv, opt, sizeof(opt), 0); - - if (argc-1 != 0) - pm_error("There are no arguments. You specified %d.", argc-1); +parseCommandLine(int argc, const char ** argv, + struct CmdlineInfo * const cmdlineP) { + + optEntry * option_def; + /* Instructions to OptParseOptions2 on how to parse our options. */ + optStruct3 opt; + + unsigned int option_def_index; + + MALLOCARRAY(option_def, 100); + + option_def_index = 0; /* incremented by OPTENTRY */ + OPTENT3(0, "width", OPT_UINT, &cmdlineP->width, NULL, 0); + OPTENT3(0, "height", OPT_UINT, &cmdlineP->height, NULL, 0); + OPTENT3(0, "left", OPT_UINT, &cmdlineP->left, NULL, 0); + OPTENT3(0, "right", OPT_UINT, &cmdlineP->right, NULL, 0); + OPTENT3(0, "top", OPT_UINT, &cmdlineP->top, NULL, 0); + OPTENT3(0, "bottom", OPT_UINT, &cmdlineP->bottom, NULL, 0); + OPTENT3(0, "bg", OPT_STRING, &cmdlineP->bg_rgb, NULL, 0); + OPTENT3(0, "fg", OPT_STRING, &cmdlineP->fg_rgb, NULL, 0); + OPTENT3(0, "var", OPT_UINT, &cmdlineP->var, NULL, 0); + OPTENT3(0, "randomseed", OPT_UINT, &cmdlineP->randomseed, + &cmdlineP->randomseedSpec, 0); + OPTENT3(0, "init", OPT_UINT, &cmdlineP->randomseed, + &cmdlineP->randomseedSpec, 0); + OPTENT3(0, "verbose", OPT_FLAG, NULL, &cmdlineP->verbose, 0); + + /* Set the defaults */ + cmdlineP->width = 100; + cmdlineP->height = 100; + cmdlineP->left = cmdlineP->right = cmdlineP->top = cmdlineP->bottom = -1; + cmdlineP->bg_rgb = NULL; + cmdlineP->fg_rgb = NULL; + cmdlineP->var = 10; + + opt.opt_table = option_def; + opt.short_allowed = FALSE; /* We have no short (old-fashioned) options */ + opt.allowNegNum = FALSE; /* We have no parms that are negative numbers */ + + pm_optParseOptions3(&argc, (char **)argv, opt, sizeof(opt), 0); + + if (argc-1 != 0) + pm_error("There are no arguments. You specified %d.", argc-1); + + free(option_def); } + + static void -/* ----------------------------------------- */ - proc_left(int const r1, int const r2, int const c1, int const c2, - unsigned int const var) -/* ----------------------------------------- */ -{ - int cm, rm, c; - - if (r1 + 1 == r2) return; - rm = (r1 + r2) >> 1; - cm = (c1 + c2) >> 1; - cm += (int)floor(((float)rand() / RAND_MAX - 0.5) * var + 0.5); - - for (c = 0; c < cm; c++) - PPM_ASSIGN(PIX[rm][c], BG_RED, BG_GREEN, BG_BLUE); - - proc_left(r1, rm, c1, cm, var); - proc_left(rm, r2, cm, c2, var); +procLeft(int const r1, + int const r2, + int const c1, + int const c2, + unsigned int const var) { + + int cm, rm, c; + + if (r1 + 1 == r2) return; + rm = (r1 + r2) >> 1; + cm = (c1 + c2) >> 1; + cm += (int)floor(((float)rand() / RAND_MAX - 0.5) * var + 0.5); + + for (c = 0; c < cm; c++) + PPM_ASSIGN(PIX[rm][c], BG_RED, BG_GREEN, BG_BLUE); + + procLeft(r1, rm, c1, cm, var); + procLeft(rm, r2, cm, c2, var); } + + static void -/* ------------------------------------------ */ - proc_right(int const r1, int const r2, int const c1, int const c2, - unsigned int const width, unsigned int const var) -/* ------------------------------------------ */ -{ - int cm, rm, c; - - if (r1 + 1 == r2) return; - rm = (r1 + r2) >> 1; - cm = (c1 + c2) >> 1; - cm += (int)floor(((float)rand() / RAND_MAX - 0.5) * var + 0.5); - - for (c = cm; c < width; c++) - PPM_ASSIGN(PIX[rm][c], BG_RED, BG_GREEN, BG_BLUE); - - proc_right(r1, rm, c1, cm, width, var); - proc_right(rm, r2, cm, c2, width, var); +procRight(int const r1, + int const r2, + int const c1, + int const c2, + unsigned int const width, + unsigned int const var) { + + int cm, rm, c; + + if (r1 + 1 == r2) return; + rm = (r1 + r2) >> 1; + cm = (c1 + c2) >> 1; + cm += (int)floor(((float)rand() / RAND_MAX - 0.5) * var + 0.5); + + for (c = cm; c < width; c++) + PPM_ASSIGN(PIX[rm][c], BG_RED, BG_GREEN, BG_BLUE); + + procRight(r1, rm, c1, cm, width, var); + procRight(rm, r2, cm, c2, width, var); } + + static void -/* ---------------------------------------- */ - proc_top(int const c1, int const c2, int const r1, int const r2, - unsigned int const var) -/* ---------------------------------------- */ -{ - int rm, cm, r; - - if (c1 + 1 == c2) return; - cm = (c1 + c2) >> 1; - rm = (r1 + r2) >> 1; - rm += (int)floor(((float)rand() / RAND_MAX - 0.5) * var + 0.5); - - for (r = 0; r < rm; r++) - PPM_ASSIGN(PIX[r][cm], BG_RED, BG_GREEN, BG_BLUE); - - proc_top(c1, cm, r1, rm, var); - proc_top(cm, c2, rm, r2, var); +procTop(int const c1, + int const c2, + int const r1, + int const r2, + unsigned int const var) { + + int rm, cm, r; + + if (c1 + 1 == c2) return; + cm = (c1 + c2) >> 1; + rm = (r1 + r2) >> 1; + rm += (int)floor(((float)rand() / RAND_MAX - 0.5) * var + 0.5); + + for (r = 0; r < rm; r++) + PPM_ASSIGN(PIX[r][cm], BG_RED, BG_GREEN, BG_BLUE); + + procTop(c1, cm, r1, rm, var); + procTop(cm, c2, rm, r2, var); } + + static void -/* ------------------------------------------- */ - proc_bottom(int const c1, int const c2, int const r1, int const r2, - unsigned int const height, unsigned int const var) -/* ------------------------------------------- */ -{ - int rm, cm, r; - - if (c1 + 1 == c2) return; - cm = (c1 + c2) >> 1; - rm = (r1 + r2) >> 1; - rm += (int)floor(((float)rand() / RAND_MAX - 0.5) * var + 0.5); - - for (r = rm; r < height; r++) - PPM_ASSIGN(PIX[r][cm], BG_RED, BG_GREEN, BG_BLUE); - - proc_bottom(c1, cm, r1, rm, height, var); - proc_bottom(cm, c2, rm, r2, height, var); +procBottom(int const c1, + int const c2, + int const r1, + int const r2, + unsigned int const height, + unsigned int const var) { + + int rm, cm, r; + + if (c1 + 1 == c2) return; + cm = (c1 + c2) >> 1; + rm = (r1 + r2) >> 1; + rm += (int)floor(((float)rand() / RAND_MAX - 0.5) * var + 0.5); + + for (r = rm; r < height; r++) + PPM_ASSIGN(PIX[r][cm], BG_RED, BG_GREEN, BG_BLUE); + + procBottom(c1, cm, r1, rm, height, var); + procBottom(cm, c2, rm, r2, height, var); } + int -/* ============================ */ - main(int argc, char* argv[]) -/* ============================ */ -{ - struct cmdlineInfo cmdline; - pixel bgcolor, fgcolor; - pixval fg_red, fg_green, fg_blue; - int rows, cols, row; - int left, right, top, bottom; - int left_r1, left_r2, left_c1, left_c2; - int right_r1, right_r2, right_c1, right_c2; - int top_r1, top_r2, top_c1, top_c2; - int bottom_r1, bottom_r2, bottom_c1, bottom_c2; - unsigned init; - struct timeval tv; - int col; - - ppm_init(&argc, argv); - - parseCommandLine(argc, argv, &cmdline); - - init = cmdline.init; - if (init == 0) { - gettimeofday(&tv, NULL); - srand((unsigned int)tv.tv_usec); - } - else - srand(init); - - cols = cmdline.width; - rows = cmdline.height; - left = cmdline.left; - right = cmdline.right; - top = cmdline.top; - bottom = cmdline.bottom; - - if (cmdline.bg_rgb) - bgcolor = ppm_parsecolor(cmdline.bg_rgb, PPM_MAXMAXVAL); - else - PPM_ASSIGN(bgcolor, 0, 0, 0); - BG_RED = PPM_GETR(bgcolor); - BG_GREEN = PPM_GETG(bgcolor); - BG_BLUE = PPM_GETB(bgcolor); - - if (cmdline.fg_rgb) - fgcolor = ppm_parsecolor(cmdline.fg_rgb, PPM_MAXMAXVAL); - else - PPM_ASSIGN(fgcolor, PPM_MAXMAXVAL, PPM_MAXMAXVAL, PPM_MAXMAXVAL); - fg_red = PPM_GETR(fgcolor); - fg_green = PPM_GETG(fgcolor); - fg_blue = PPM_GETB(fgcolor); - - if (cmdline.verbose) { - pm_message("width is %d, height is %d, variance is %d.", - cols, rows, cmdline.var); - if (left >= 0) pm_message("ragged left border is required"); - if (right >= 0) pm_message("ragged right border is required"); - if (top >= 0) pm_message("ragged top border is required"); - if (bottom >= 0) pm_message("ragged bottom border is required"); - pm_message("background is %s", ppm_colorname(&bgcolor, PPM_MAXMAXVAL, 1)); - pm_message("foreground is %s", ppm_colorname(&fgcolor, PPM_MAXMAXVAL, 1)); - if (init >= 0) pm_message("srand() initialized with seed %u", init); - } - - /* Allocate memory for the whole pixmap */ - PIX = ppm_allocarray(cols, rows); - - /* First, set all pixel to foreground color */ - for (row = 0; row < rows; row++) - for (col = 0; col < cols; col++) - PPM_ASSIGN(PIX[row][col], fg_red, fg_green, fg_blue); - - /* Make a ragged left border */ - if (left >= 0) { - left_c1 = left_c2 = left; - left_r1 = 0; - left_r2 = rows - 1; - for (col = 0; col < left_c1; col++) - PPM_ASSIGN(PIX[left_r1][col], BG_RED, BG_GREEN, BG_BLUE); - for (col = 0; col < left_c2; col++) - PPM_ASSIGN(PIX[left_r2][col], BG_RED, BG_GREEN, BG_BLUE); - - proc_left(left_r1, left_r2, left_c1, left_c2, cmdline.var); - } - - /* Make a ragged right border */ - if (right >= 0) { - right_c1 = right_c2 = cols - right - 1; - right_r1 = 0; - right_r2 = rows - 1; - for (col = right_c1; col < cols; col++) - PPM_ASSIGN(PIX[right_r1][col], BG_RED, BG_GREEN, BG_BLUE); - for (col = right_c2; col < cols; col++) - PPM_ASSIGN(PIX[right_r2][col], BG_RED, BG_GREEN, BG_BLUE); - - proc_right(right_r1, right_r2, right_c1, right_c2, - cmdline.width, cmdline.var); - } - - /* Make a ragged top border */ - if (top >= 0) { - top_r1 = top_r2 = top; - top_c1 = 0; - top_c2 = cols - 1; - for (row = 0; row < top_r1; row++) - PPM_ASSIGN(PIX[row][top_c1], BG_RED, BG_GREEN, BG_BLUE); - for (row = 0; row < top_r2; row++) - PPM_ASSIGN(PIX[row][top_c2], BG_RED, BG_GREEN, BG_BLUE); - - proc_top(top_c1, top_c2, top_r1, top_r2, cmdline.var); - } - - /* Make a ragged bottom border */ - if (bottom >= 0) { - bottom_r1 = bottom_r2 = rows - bottom - 1; - bottom_c1 = 0; - bottom_c2 = cols - 1; - for (row = bottom_r1; row < rows; row++) - PPM_ASSIGN(PIX[row][bottom_c1], BG_RED, BG_GREEN, BG_BLUE); - for (row = bottom_r2; row < rows; row++) - PPM_ASSIGN(PIX[row][bottom_c2], BG_RED, BG_GREEN, BG_BLUE); - - proc_bottom(bottom_c1, bottom_c2, bottom_r1, bottom_r2, - cmdline.height, cmdline.var); - } - - /* Write pixmap */ - ppm_writeppm(stdout, PIX, cols, rows, PPM_MAXMAXVAL, 0); - - ppm_freearray(PIX, rows); - - pm_close(stdout); - exit(0); +main(int argc, const char * argv[]) { + + struct CmdlineInfo cmdline; + pixel bgcolor, fgcolor; + pixval fg_red, fg_green, fg_blue; + int rows, cols, row; + int left, right, top, bottom; + + pm_proginit(&argc, argv); + + parseCommandLine(argc, argv, &cmdline); + + srand(cmdline.randomseedSpec ? cmdline.randomseed : pm_randseed()); + + cols = cmdline.width; + rows = cmdline.height; + left = cmdline.left; + right = cmdline.right; + top = cmdline.top; + bottom = cmdline.bottom; + + if (cmdline.bg_rgb) + bgcolor = ppm_parsecolor(cmdline.bg_rgb, PPM_MAXMAXVAL); + else + PPM_ASSIGN(bgcolor, 0, 0, 0); + BG_RED = PPM_GETR(bgcolor); + BG_GREEN = PPM_GETG(bgcolor); + BG_BLUE = PPM_GETB(bgcolor); + + if (cmdline.fg_rgb) + fgcolor = ppm_parsecolor(cmdline.fg_rgb, PPM_MAXMAXVAL); + else + PPM_ASSIGN(fgcolor, PPM_MAXMAXVAL, PPM_MAXMAXVAL, PPM_MAXMAXVAL); + fg_red = PPM_GETR(fgcolor); + fg_green = PPM_GETG(fgcolor); + fg_blue = PPM_GETB(fgcolor); + + if (cmdline.verbose) { + pm_message("width is %d, height is %d, variance is %d.", + cols, rows, cmdline.var); + if (left >= 0) + pm_message("ragged left border is required"); + if (right >= 0) + pm_message("ragged right border is required"); + if (top >= 0) + pm_message("ragged top border is required"); + if (bottom >= 0) + pm_message("ragged bottom border is required"); + pm_message("background is %s", + ppm_colorname(&bgcolor, PPM_MAXMAXVAL, 1)); + pm_message("foreground is %s", + ppm_colorname(&fgcolor, PPM_MAXMAXVAL, 1)); + if (cmdline.randomseedSpec) + pm_message("srand() initialized with seed %u", cmdline.randomseed); + } + + /* Allocate memory for the whole pixmap */ + PIX = ppm_allocarray(cols, rows); + + /* First, set all pixel to foreground color */ + for (row = 0; row < rows; row++) { + unsigned int col; + for (col = 0; col < cols; ++col) + PPM_ASSIGN(PIX[row][col], fg_red, fg_green, fg_blue); + } + /* Make a ragged left border */ + if (left >= 0) { + int const left_c1 = left; + int const left_c2 = left; + int const left_r1 = 0; + int const left_r2 = rows - 1; + + unsigned int col; + + for (col = 0; col < left_c1; ++col) + PPM_ASSIGN(PIX[left_r1][col], BG_RED, BG_GREEN, BG_BLUE); + for (col = 0; col < left_c2; ++col) + PPM_ASSIGN(PIX[left_r2][col], BG_RED, BG_GREEN, BG_BLUE); + + procLeft(left_r1, left_r2, left_c1, left_c2, cmdline.var); + } + + /* Make a ragged right border */ + if (right >= 0) { + int const right_c1 = cols - right - 1; + int const right_c2 = cols - right - 1; + int const right_r1 = 0; + int const right_r2 = rows - 1; + + unsigned int col; + + for (col = right_c1; col < cols; col++) + PPM_ASSIGN(PIX[right_r1][col], BG_RED, BG_GREEN, BG_BLUE); + for (col = right_c2; col < cols; col++) + PPM_ASSIGN(PIX[right_r2][col], BG_RED, BG_GREEN, BG_BLUE); + + procRight(right_r1, right_r2, right_c1, right_c2, + cmdline.width, cmdline.var); + } + + /* Make a ragged top border */ + if (top >= 0) { + int const top_r1 = top; + int const top_r2 = top; + int const top_c1 = 0; + int const top_c2 = cols - 1; + + unsigned int row; + + for (row = 0; row < top_r1; ++row) + PPM_ASSIGN(PIX[row][top_c1], BG_RED, BG_GREEN, BG_BLUE); + for (row = 0; row < top_r2; ++row) + PPM_ASSIGN(PIX[row][top_c2], BG_RED, BG_GREEN, BG_BLUE); + + procTop(top_c1, top_c2, top_r1, top_r2, cmdline.var); + } + + /* Make a ragged bottom border */ + if (bottom >= 0) { + int const bottom_r1 = rows - bottom - 1; + int const bottom_r2 = rows - bottom - 1; + int const bottom_c1 = 0; + int const bottom_c2 = cols - 1; + + unsigned int row; + + for (row = bottom_r1; row < rows; ++row) + PPM_ASSIGN(PIX[row][bottom_c1], BG_RED, BG_GREEN, BG_BLUE); + for (row = bottom_r2; row < rows; ++row) + PPM_ASSIGN(PIX[row][bottom_c2], BG_RED, BG_GREEN, BG_BLUE); + + procBottom(bottom_c1, bottom_c2, bottom_r1, bottom_r2, + cmdline.height, cmdline.var); + } + + /* Write pixmap */ + ppm_writeppm(stdout, PIX, cols, rows, PPM_MAXMAXVAL, 0); + + ppm_freearray(PIX, rows); + + pm_close(stdout); + + return 0; } + + + |