/*
* Test app for _NET_WM_ICON formatting.
- * Copyright © 2022 Nick Bowler
+ * Copyright © 2022-2023 Nick Bowler
*
* Use a fake colour scheme to generate an icon of the chosen size (16x16,
* 24x24, 32x32 or 48x48) and display the pixels as characters.
#include "icon.h"
#include "colour.h"
#include "help.h"
+#include "xtra.h"
+
+enum {
+ SOPT_MAX = UCHAR_MAX,
+ LOPT_W32VGA,
+ LOPT_TEST_CMAP,
+ LOPT_MAX
+};
static const char *progname = "ewmhicon";
static const char sopts[] = "c:VH";
static const struct option lopts[] = {
+ { "test-cmap", 0, NULL, LOPT_TEST_CMAP },
{ "colourseq", 1, NULL, 'c' },
+ { "w32vga", 0, NULL, LOPT_W32VGA },
{ "version", 0, NULL, 'V' },
{ "help", 0, NULL, 'H' },
{ 0 }
0xff000000 | (r << 16) | (g << 8) | b, \
S8TO16(r), S8TO16(g), S8TO16(b) }
-#define COLOUR_SYS_EWMHICON(r, g, b) \
+#define COLOUR_SYS_XCOLOR(r, g, b) \
RGB8(0x ## r ## ul, 0x ## g ## ul, 0x ## b ## ul)
#undef COLOUR_SYSTEM
-#define COLOUR_SYSTEM EWMHICON
+#define COLOUR_SYSTEM XCOLOR
#define COLOURTAB_(n) { n ## _PRIMARY, n ## _DARK, n ## _LIGHT }
#define COLOURTAB(n) COLOURTAB_(COLOUR ## n)
static void print_version(void)
{
printf("ewmhicon (%s) %s\n", PACKAGE, PACKAGE_VERSION);
- printf("Copyright (C) 2022 Nick Bowler\n");
+ printf("Copyright (C) 2023 Nick Bowler\n");
puts("License GPLv3+: GNU GPL version 3 or any later version");
puts("This is free software: you are free to change and redistribute it.");
puts("There is NO WARRANTY, to the extent permitted by law.");
}
+
+#define COLOUR_SYS_HEX(r, g, b) 0x ## r ## g ## b ## ul
+
+#undef COLOUR_SYSTEM
+#define COLOUR_SYSTEM HEX
+
+/*
+ * Returns true iff this pixel is an "edge" -- that is, either there
+ * is no pixel to the right or below or those pixels are a different
+ * colour.
+ */
+static int is_edge(unsigned x, unsigned y, unsigned w, unsigned h,
+ unsigned long *p, unsigned long colour)
+{
+ return y+1 >= h || x+1 >= w
+ || (p[1] & 0xffffff) != colour
+ || (p[w] & 0xffffff) != colour;
+}
+
+static void print_xpm_w32vga(unsigned long size, unsigned long *icon_buf)
+{
+ unsigned w = size & 0xffff, h = (size >> 16) & 0xffff;
+ unsigned x, y, i, j, n;
+
+ const char colourchars[16] = "#rgybmc-+RGYBMC ";
+ unsigned long palette[16] = {
+ 0x000000, 0x800000, 0x008000, 0x808000,
+ 0x000080, 0x800080, 0x008080, 0xc0c0c0,
+ 0x808080, 0xff0000, 0x00ff00, 0xffff00,
+ 0x0000ff, 0xff00ff, 0x00ffff, 0xffffff
+ };
+
+ unsigned long prev_colour = 0;
+ unsigned used_colours, v;
+
+ size = (unsigned long) w * h;
+ for (i = 0; i < size; i++) {
+ unsigned long *p = &icon_buf[i];
+ char *c;
+
+ x = i%w, y=i/w;
+
+ switch (*p & 0xffffff) {
+ /* red */
+ case COLOUR0_PRIMARY:
+ *p = y&1 ? ( x&1 ? 'r' : 'm' ) : ( x&1 ? 'y' : 'r' );
+ break;
+ case COLOUR0_LIGHT:
+ *p = (x^y)&1 ? '+' : 'r';
+ break;
+ case COLOUR0_DARK:
+ *p = 'r';
+ break;
+ /* orange */
+ case COLOUR1_PRIMARY:
+ *p = y&1 ? 'y' : x&1 ? '+' : 'R';
+ break;
+ case COLOUR1_LIGHT:
+ *p = (x^y)&1 ? '+' : 'y';
+ break;
+ case COLOUR1_DARK:
+ *p = (x^y)&1 ? 'r' : 'y';
+ break;
+ /* yellow */
+ case COLOUR2_PRIMARY:
+ *p = (x^y)&1 ? '+' : 'Y';
+ break;
+ case COLOUR2_LIGHT:
+ *p = (x^y)&1 ? '-' : 'Y';
+ break;
+ case COLOUR2_DARK:
+ *p = (x^y)&1 ? '+' : 'Y';
+ if (is_edge(x, y, w, h, p, COLOUR2_DARK))
+ *p = (x^y)&1 ? '+' : 'y';
+ break;
+ /* green */
+ case COLOUR3_PRIMARY:
+ *p = y&1 ? 'g' : x&1 ? '+' : 'g';
+ break;
+ case COLOUR3_LIGHT:
+ *p = (x^y)&1 ? '+' : 'g';
+ break;
+ case COLOUR3_DARK:
+ *p = 'g';
+ if (is_edge(x, y, w, h, p, COLOUR3_DARK))
+ *p = (x^y)&1 ? '#' : 'g';
+ break;
+ /* blue */
+ case COLOUR4_PRIMARY:
+ *p = (x^y)&1 ? 'b' : 'c';
+ break;
+ case COLOUR4_LIGHT:
+ *p = 'c';
+ if (is_edge(x, y, w, h, p, COLOUR4_LIGHT))
+ *p = (x^y)&1 ? 'b' : 'c';
+ break;
+ case COLOUR4_DARK:
+ *p = 'b';
+ if (is_edge(x, y, w, h, p, COLOUR4_DARK))
+ *p = (x^y)&1 ? '#' : 'b';
+ break;
+ /* white */
+ case COLOUR5_PRIMARY:
+ *p = (x^y)&1 ? '-' : ' ';
+ break;
+ case COLOUR5_LIGHT:
+ *p = ' ';
+ break;
+ case COLOUR5_DARK:
+ *p = (x^y)&1 ? '+' : ' ';
+ break;
+ /* dummy */
+ case 0xff0000: *p = 'R'; break;
+ case 0x00ff00: *p = 'G'; break;
+ case 0x0000ff: *p = 'B'; break;
+ }
+
+ c = strchr(colourchars, *p);
+ assert(c && c - colourchars < 16);
+ used_colours |= 1u << (c-colourchars);
+ }
+
+ for (n = 0, v = used_colours; v; n++)
+ v &= v-1;
+
+ puts("/* XPM */");
+ puts("static char *icon[] = {");
+ printf("\"%u %u %u 1\",\n", w, h, n);
+ for (i = 0; i < sizeof colourchars; i++) {
+ if (!(used_colours & (1u << i)))
+ continue;
+
+ printf("\"%c c #%.6lx\",\n", colourchars[i], palette[i]);
+ }
+
+ for (y = 0; y < h; y++) {
+ putchar('"');
+ for (x = 0; x < w; x++) {
+ putchar(icon_buf[y*h+x]);
+ }
+ printf("\"%.*s\n", y+1<h, ",");
+ }
+
+ puts("};");
+}
+
static void
print_xpm(const char *colourseq, unsigned long size, unsigned long *icon_buf)
{
}
printf("\"%.*s\n", y+1<h, ",");
}
- printf("};\n");
+ puts("};");
}
static int decode_colourseq(char *out, const char *arg)
return NULL;
}
+static int test_ewmh_icon_prepare(void)
+{
+ int ret = EXIT_SUCCESS;
+ unsigned i;
+
+ XColor *template = (void *)colours;
+ XColor newmap[sizeof colours / sizeof colours[0][0]];
+
+ printf("1..%d\n", (int)XTRA_ARRAYSIZE(newmap));
+ for (i = 0; i < XTRA_ARRAYSIZE(newmap); i++) {
+ newmap[i] = template[i];
+ newmap[i].pixel = 0;
+ }
+
+ ewmh_icon_prepare_cmap(newmap, XTRA_ARRAYSIZE(newmap));
+ for (i = 0; i < XTRA_ARRAYSIZE(newmap); i++) {
+ XColor *c = &newmap[i];
+
+ if (c->pixel != template[i].pixel) {
+ printf("not ");
+ ret = EXIT_FAILURE;
+ }
+
+ printf("ok %u (%.4hx, %.4hx, %.4hx) -> %.8lx\n",
+ i+1, c->red, c->green, c->blue, c->pixel);
+ }
+
+ return ret;
+}
+
int main(int argc, char **argv)
{
unsigned long *ewmhicon, *icon, size, buf[9];
char colourseq[10] = "000000000";
+ int w32vga = 0, test_cmap = 0;
int opt;
if (argc > 0)
if (decode_colourseq(colourseq, optarg) != 0)
return EXIT_FAILURE;
break;
+ case LOPT_W32VGA:
+ w32vga = 1;
+ break;
+ case LOPT_TEST_CMAP:
+ test_cmap = 1;
+ break;
case 'H':
print_help();
return EXIT_SUCCESS;
}
}
+ if (test_cmap) {
+ return test_ewmh_icon_prepare();
+ }
+
if (argc != optind+1) {
printf("%s: error: size not specified\n", progname);
print_usage(stderr);
if (!icon)
return EXIT_FAILURE;
- print_xpm(colourseq, size, icon);
+ if (w32vga) {
+ print_xpm_w32vga(size, icon);
+ } else {
+ print_xpm(colourseq, size, icon);
+ }
free(ewmhicon);
return 0;
projects / rrace.git / blobdiff