margen v1.0.2

* untested release tool

* update PHONY

* show diff and fix v

Makefile

@@ -22,3 +22,14 @@ time: build
 .PHONY: valgrind
 valgrind: build
 	valgrind --leak-check=full -s ./build/$(TARGET) $(TEST_ARGS)
+
+.PHONY: release
+release: clean build time
+	@echo -n "Version (x.y.z): "
+	@read VERSION; \
+		sed -i "s/#define VERSION.*/#define VERSION \"v$$VERSION\"/g" ./src/const.h; \
+		git add ./src/const.h; \
+		git diff origin/master; \
+		git commit -m "$(TARGET) v$$VERSION"; \
+		git tag v$$VERSION -m "$(TARGET) v$$VERSION"
+	@echo updated ./src/const.h and tagged version

README.md

@@ -35,11 +35,12 @@ options:
   -s, --slope        slope [0-255] (default: random)
   -c, --color        base color [0-255,0-255,0-255] (default: random)
   -v, --variation    base variation [0-255,0-255,0-255] (default: random)
-  -m, --monochrome   black & white generation
 ```
 
 ## TODO
 
-- monochrome
+- fix monochrome
 - select corner (currently bottom left)
 - better starting parameters for convergeance
+- add range arg for variation
+- add timer

src/args.c

@@ -21,7 +21,9 @@ void print_help(int status_code) {
        "[-s=SLOPE] "
        "[-c=R,G,B] "
        "[--var=R,G,B] "
-       "[-m]\n\n"
+       "[-vr=VAR_RANGE]"
+       //  "[-m]"
+       "\n\n"
        "generate a marble-like pattern bitmap image, blazing fast.\n\n"
        "options:\n"
        "  --help             show this help message and exit\n"
@@ -33,9 +35,11 @@ void print_help(int status_code) {
        "  -p, --pixel        pixel size (default: random)\n"
        "  -s, --slope        slope [0-255] (default: random)\n"
        "  -c, --color        base color [0-255,0-255,0-255] (default: random)\n"
-       "  -v, --variation    base variation [0-255,0-255,0-255] (default: "
+       "  -va, --variation   fixed variation [0-255,0-255,0-255] (default: "
        "random)\n"
-       "  -m, --monochrome   black & white generation");
+       "  -vr, --var-range   random variation range [0-255] (default: 30)\n"
+       //  "  -m, --monochrome   black & white generation\n"
+  );
   exit(status_code);
 }
 
@@ -121,6 +125,8 @@ parameters parse_args(int argc, char **argv) {
   params.file_path = "output.bmp";
   params.monochrome = false;
 
+  unsigned char var_range = 30;
+
   bool size_set = false;
   bool slope_set = false;
   bool start_set = false;
@@ -171,11 +177,13 @@ parameters parse_args(int argc, char **argv) {
     } else if (is_arg(arg, "-c") || is_arg(arg, "--color")) {
       parse_color(arg, value, params.start);
       start_set = true;
-    } else if (is_arg(arg, "-v") || is_arg(arg, "--variation")) {
+    } else if (is_arg(arg, "-va") || is_arg(arg, "--variation")) {
       parse_color(arg, value, params.var);
       var_set = true;
-    } else if (is_arg(arg, "-m") || is_arg(arg, "--monochrome")) {
+    } else if (is_arg(arg, "-vr") || is_arg(arg, "--var-range")) {
-      params.monochrome = true;
+      var_range = parse_char(arg, value);
+      // } else if (is_arg(arg, "-m") || is_arg(arg, "--monochrome")) {
+      //   params.monochrome = true;
     } else {
       invalid_arg(arg);
     }
@@ -189,7 +197,7 @@ parameters parse_args(int argc, char **argv) {
   set_seed(params.seed);
 
   if (!size_set) {
-    params.size = rand_ushort(10) + 3;
+    params.size = rand_ushort(6) + 6;
   }
 
   if (!slope_set) {
@@ -203,9 +211,9 @@ parameters parse_args(int argc, char **argv) {
   }
 
   if (!var_set) {
-    params.var[0] = rand_uchar(20);
+    params.var[0] = rand_uchar(var_range);
-    params.var[1] = rand_uchar(20);
+    params.var[1] = rand_uchar(var_range);
-    params.var[2] = rand_uchar(20);
+    params.var[2] = rand_uchar(var_range);
   }
 
   return params;

src/const.h

@@ -2,6 +2,6 @@
 #define CONST_H
 
 #define NAME "margen"
-#define VERSION "v1.0.1"
+#define VERSION "v1.0.2"
 
 #endif

src/generator.c

@@ -5,6 +5,7 @@
 #include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <time.h>
 
 parameters global_params;
 float slope;
@@ -91,12 +92,21 @@ void clean() {
   free(current_line);
 }
 
+void print_time(parameters params, clock_t start) {
+  if (!params.quiet) {
+    clock_t now = clock();
+    printf("time: %.3fs\n", (float)(now - start) / CLOCKS_PER_SEC);
+  }
+}
+
 void generate(parameters params) {
   if (!params.quiet) {
     puts(NAME " " VERSION);
   }
+  clock_t start = clock();
   init(params);
   bmp_generate(params.width, params.height, color_depth, params.file_path,
                generate_bmp_line);
   clean();
+  print_time(params, start);
 }