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authorJohannes Löthberg <johannes@kyriasis.com>2014-11-04 17:12:18 +0100
committerJohannes Löthberg <johannes@kyriasis.com>2014-11-04 17:12:18 +0100
commit8413ae92969400c687e0dac404be0359bccc9aed (patch)
treea2d1a22ac53769efc6a39297d9b7d6f414e9d285 /src/hsetroot.c
downloadyawa-8413ae92969400c687e0dac404be0359bccc9aed.tar.xz
Import hsetroot-1.0.2.tar.gz
Diffstat (limited to 'src/hsetroot.c')
-rw-r--r--src/hsetroot.c620
1 files changed, 620 insertions, 0 deletions
diff --git a/src/hsetroot.c b/src/hsetroot.c
new file mode 100644
index 0000000..9f0bdd1
--- /dev/null
+++ b/src/hsetroot.c
@@ -0,0 +1,620 @@
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include <Imlib2.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "config.h"
+
+typedef enum
+{ Full, Fill, Center, Tile } ImageMode;
+
+void
+usage (char *commandline)
+{
+ printf (PACKAGE_STRING " - " DESCRIPTION "\n"
+ "\n"
+ "Syntaxis: %s [command1 [arg1..]] [command2 [arg1..]]..."
+ "\n"
+ "Gradients:\n"
+ " -add <color> Add color to range using distance 1\n"
+ " -addd <color> <distance> Add color to range using custom distance\n"
+ " -gradient <angle> Render gradient using specified angle\n"
+ " -clear Clear the color range\n"
+ "\n"
+ "Solid:\n"
+ " -solid <color> Render a solid using the specified color\n"
+ "\n"
+ "Image files:\n"
+ " -center <image> Render an image centered on screen\n"
+ " -tile <image> Render an image tiled\n"
+ " -full <image> Render an image maximum aspect\n"
+ " -fill <image> Render an image strechted\n"
+ "\n"
+ "Manipulations:\n"
+ " -tint <color> Tint the current image\n"
+ " -blur <radius> Blur the current image\n"
+ " -sharpen <radius> Sharpen the current image\n"
+ " -contrast <amount> Adjust contrast of current image\n"
+ " -brightness <amount> Adjust brightness of current image\n"
+ " -gamma <amount> Adjust gamma level of current image\n"
+ " -flipv Flip the current image vertically\n"
+ " -fliph Flip the current image horizontally\n"
+ " -flipd Flip the current image diagonally\n"
+ "\n"
+ "Misc:\n"
+ " -alpha <amount> Adjust alpha level for colors and images\n"
+ " -write <filename> Write current image to file\n"
+ "\n"
+ "Colors are in the #rrbbgg or #rrggbbaa format.\n"
+ "\n"
+ "Send bugreports to: " PACKAGE_BUGREPORT "\n" "\n", commandline);
+}
+
+// Globals:
+Display *display;
+int screen;
+
+// Adapted from fluxbox' bsetroot
+int
+setRootAtoms (Pixmap pixmap)
+{
+ Atom atom_root, atom_eroot, type;
+ unsigned char *data_root, *data_eroot;
+ int format;
+ unsigned long length, after;
+
+ atom_root = XInternAtom (display, "_XROOTMAP_ID", True);
+ atom_eroot = XInternAtom (display, "ESETROOT_PMAP_ID", True);
+
+ // doing this to clean up after old background
+ if (atom_root != None && atom_eroot != None)
+ {
+ XGetWindowProperty (display, RootWindow (display, screen),
+ atom_root, 0L, 1L, False, AnyPropertyType,
+ &type, &format, &length, &after, &data_root);
+ if (type == XA_PIXMAP)
+ {
+ XGetWindowProperty (display, RootWindow (display, screen),
+ atom_eroot, 0L, 1L, False, AnyPropertyType,
+ &type, &format, &length, &after, &data_eroot);
+ if (data_root && data_eroot && type == XA_PIXMAP &&
+ *((Pixmap *) data_root) == *((Pixmap *) data_eroot))
+ {
+ XKillClient (display, *((Pixmap *) data_root));
+ }
+ }
+ }
+
+ atom_root = XInternAtom (display, "_XROOTPMAP_ID", False);
+ atom_eroot = XInternAtom (display, "ESETROOT_PMAP_ID", False);
+
+ if (atom_root == None || atom_eroot == None)
+ return 0;
+
+ // setting new background atoms
+ XChangeProperty (display, RootWindow (display, screen),
+ atom_root, XA_PIXMAP, 32, PropModeReplace,
+ (unsigned char *) &pixmap, 1);
+ XChangeProperty (display, RootWindow (display, screen), atom_eroot,
+ XA_PIXMAP, 32, PropModeReplace, (unsigned char *) &pixmap,
+ 1);
+
+ return 1;
+}
+
+typedef struct
+{
+ int r, g, b, a;
+} Color, *PColor;
+
+int
+getHex (char c)
+{
+ switch (c)
+ {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ return c - '0';
+ case 'A':
+ case 'B':
+ case 'C':
+ case 'D':
+ case 'E':
+ case 'F':
+ return c - 'A' + 10;
+ case 'a':
+ case 'b':
+ case 'c':
+ case 'd':
+ case 'e':
+ case 'f':
+ return c - 'a' + 10;
+ default:
+ return 0;
+ }
+}
+
+int
+parse_color (char *arg, PColor c, int a)
+{
+ if (arg[0] != '#')
+ return 0;
+
+ if ((strlen (arg) != 7) && (strlen (arg) != 9))
+ return 0;
+
+ c->r = getHex (arg[1]) * 16 + getHex (arg[2]);
+ c->g = getHex (arg[3]) * 16 + getHex (arg[4]);
+ c->b = getHex (arg[5]) * 16 + getHex (arg[6]);
+ c->a = a;
+ if (strlen (arg) == 9)
+ c->a = getHex (arg[7]) * 16 + getHex (arg[8]);
+
+ return 1;
+}
+
+int
+load_image (ImageMode mode, const char *arg, int rootW, int rootH, int alpha,
+ Imlib_Image rootimg)
+{
+ int imgW, imgH, o;
+ Imlib_Image buffer = imlib_load_image (arg);
+
+ if (!buffer)
+ return 0;
+
+ imlib_context_set_image (buffer);
+ imgW = imlib_image_get_width (), imgH = imlib_image_get_height ();
+
+ if (alpha < 255)
+ {
+ // Create alpha-override mask
+ imlib_image_set_has_alpha (1);
+ Imlib_Color_Modifier modifier = imlib_create_color_modifier ();
+ imlib_context_set_color_modifier (modifier);
+
+ DATA8 red[256], green[256], blue[256], alph[256];
+ imlib_get_color_modifier_tables (red, green, blue, alph);
+ for (o = 0; o < 256; o++)
+ alph[o] = (DATA8) alpha;
+ imlib_set_color_modifier_tables (red, green, blue, alph);
+
+ imlib_apply_color_modifier ();
+ imlib_free_color_modifier ();
+ }
+
+ imlib_context_set_image (rootimg);
+ if (mode == Fill)
+ {
+ imlib_blend_image_onto_image (buffer, 0, 0, 0, imgW, imgH,
+ 0, 0, rootW, rootH);
+ }
+ else if (mode == Full)
+ {
+ double aspect = ((double) rootW) / imgW;
+ int top, left;
+ if ((int) (imgH * aspect) > rootH)
+ aspect = (double) rootH / (double) imgH;
+ top = (rootH - (int) (imgH * aspect)) / 2;
+ left = (rootW - (int) (imgW * aspect)) / 2;
+ imlib_blend_image_onto_image (buffer, 0, 0, 0, imgW, imgH,
+ left, top, (int) (imgW * aspect),
+ (int) (imgH * aspect));
+ }
+ else
+ {
+ int left = (rootW - imgW) / 2, top = (rootH - imgH) / 2;
+
+ if (mode == Tile)
+ {
+ int x, y;
+ for (; left > 0; left -= imgW);
+ for (; top > 0; top -= imgH);
+
+ for (x = left; x < rootW; x += imgW)
+ for (y = top; y < rootH; y += imgH)
+ imlib_blend_image_onto_image (buffer, 0, 0, 0, imgW, imgH,
+ x, y, imgW, imgH);
+ }
+ else
+ {
+ imlib_blend_image_onto_image (buffer, 0, 0, 0, imgW, imgH,
+ left, top, imgW, imgH);
+ }
+ }
+
+ imlib_context_set_image (buffer);
+ imlib_free_image ();
+
+ imlib_context_set_image (rootimg);
+
+ return 1;
+}
+
+int
+main (int argc, char **argv)
+{
+ Visual *vis;
+ Colormap cm;
+ Display *_display;
+ Imlib_Context *context;
+ Imlib_Image image;
+ int width, height, depth, i, alpha;
+ Pixmap pixmap;
+ Imlib_Color_Modifier modifier = NULL;
+ _display = XOpenDisplay (NULL);
+
+ for (screen = 0; screen < ScreenCount (_display); screen++)
+ {
+ display = XOpenDisplay (NULL);
+
+ context = imlib_context_new ();
+ imlib_context_push (context);
+
+ imlib_context_set_display (display);
+ vis = DefaultVisual (display, screen);
+ cm = DefaultColormap (display, screen);
+ width = DisplayWidth (display, screen);
+ height = DisplayHeight (display, screen);
+ depth = DefaultDepth (display, screen);
+
+ pixmap =
+ XCreatePixmap (display, RootWindow (display, screen), width, height,
+ depth);
+
+ imlib_context_set_visual (vis);
+ imlib_context_set_colormap (cm);
+ imlib_context_set_drawable (pixmap);
+ imlib_context_set_color_range (imlib_create_color_range ());
+
+ image = imlib_create_image (width, height);
+ imlib_context_set_image (image);
+
+ imlib_context_set_color (0, 0, 0, 255);
+ imlib_image_fill_rectangle (0, 0, width, height);
+
+ imlib_context_set_dither (1);
+ imlib_context_set_blend (1);
+
+ alpha = 255;
+
+ for (i = 1; i < argc; i++)
+ {
+ if (modifier != NULL)
+ {
+ imlib_apply_color_modifier ();
+ imlib_free_color_modifier ();
+ }
+ modifier = imlib_create_color_modifier ();
+ imlib_context_set_color_modifier (modifier);
+
+ if (strcmp (argv[i], "-alpha") == 0)
+ {
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing alpha\n");
+ continue;
+ }
+ if (sscanf (argv[i], "%i", &alpha) == 0)
+ {
+ fprintf (stderr, "Bad alpha (%s)\n", argv[i]);
+ continue;
+ }
+
+ }
+ else if (strcmp (argv[i], "-solid") == 0)
+ {
+ Color c;
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing color\n");
+ continue;
+ }
+ if (parse_color (argv[i], &c, alpha) == 0)
+ {
+ fprintf (stderr, "Bad color (%s)\n", argv[i]);
+ continue;
+ }
+ imlib_context_set_color (c.r, c.g, c.b, c.a);
+ imlib_image_fill_rectangle (0, 0, width, height);
+ }
+ else if (strcmp (argv[i], "-clear") == 0)
+ {
+ imlib_free_color_range ();
+ imlib_context_set_color_range (imlib_create_color_range ());
+ }
+ else if (strcmp (argv[i], "-add") == 0)
+ {
+ Color c;
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing color\n");
+ continue;
+ }
+ if (parse_color (argv[i], &c, alpha) == 0)
+ {
+ fprintf (stderr, "Bad color (%s)\n", argv[i - 1]);
+ continue;
+ }
+ imlib_context_set_color (c.r, c.g, c.b, c.a);
+ imlib_add_color_to_color_range (1);
+ }
+ else if (strcmp (argv[i], "-addd") == 0)
+ {
+ Color c;
+ int distance;
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing color\n");
+ continue;
+ }
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing distance\n");
+ continue;
+ }
+ if (parse_color (argv[i - 1], &c, alpha) == 0)
+ {
+ fprintf (stderr, "Bad color (%s)\n", argv[i - 1]);
+ continue;
+ }
+ if (sscanf (argv[i], "%i", &distance) == 0)
+ {
+ fprintf (stderr, "Bad distance (%s)\n", argv[i]);
+ continue;
+ }
+ imlib_context_set_color (c.r, c.g, c.b, c.a);
+ imlib_add_color_to_color_range (distance);
+ }
+ else if (strcmp (argv[i], "-gradient") == 0)
+ {
+ int angle;
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing angle\n");
+ continue;
+ }
+ if (sscanf (argv[i], "%i", &angle) == 0)
+ {
+ fprintf (stderr, "Bad angle (%s)\n", argv[i]);
+ continue;
+ }
+ imlib_image_fill_color_range_rectangle (0, 0, width, height,
+ angle);
+ }
+ else if (strcmp (argv[i], "-fill") == 0)
+ {
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing image\n");
+ continue;
+ }
+ if (load_image (Fill, argv[i], width, height, alpha, image) ==
+ 0)
+ {
+ fprintf (stderr, "Bad image (%s)\n", argv[i]);
+ continue;
+ }
+ }
+ else if (strcmp (argv[i], "-full") == 0)
+ {
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing image\n");
+ continue;
+ }
+ if (load_image (Full, argv[i], width, height, alpha, image) ==
+ 0)
+ {
+ fprintf (stderr, "Bad image (%s)\n", argv[i]);
+ continue;
+ }
+ }
+ else if (strcmp (argv[i], "-tile") == 0)
+ {
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing image\n");
+ continue;
+ }
+ if (load_image (Tile, argv[i], width, height, alpha, image) ==
+ 0)
+ {
+ fprintf (stderr, "Bad image (%s)\n", argv[i]);
+ continue;
+ }
+ }
+ else if (strcmp (argv[i], "-center") == 0)
+ {
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing image\n");
+ continue;
+ }
+ if (load_image (Center, argv[i], width, height, alpha, image) ==
+ 0)
+ {
+ fprintf (stderr, "Bad image (%s)\n", argv[i]);
+ continue;
+ }
+ }
+ else if (strcmp (argv[i], "-tint") == 0)
+ {
+ Color c;
+ DATA8 r[256], g[256], b[256], a[256];
+ int j;
+
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing color\n");
+ continue;
+ }
+ if (parse_color (argv[i], &c, 255) == 0)
+ {
+ fprintf (stderr, "Bad color\n");
+ continue;
+ }
+
+ imlib_get_color_modifier_tables (r, g, b, a);
+
+ for (j = 0; j < 256; j++)
+ {
+ r[j] = (DATA8) (((double) r[j] / 255.0) * (double) c.r);
+ g[j] = (DATA8) (((double) g[j] / 255.0) * (double) c.g);
+ b[j] = (DATA8) (((double) b[j] / 255.0) * (double) c.b);
+ }
+
+ imlib_set_color_modifier_tables (r, g, b, a);
+ }
+ else if (strcmp (argv[i], "-blur") == 0)
+ {
+ int intval;
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing value\n");
+ continue;
+ }
+ if (sscanf (argv[i], "%i", &intval) == 0)
+ {
+ fprintf (stderr, "Bad value (%s)\n", argv[i]);
+ continue;
+ }
+ imlib_image_blur (intval);
+ }
+ else if (strcmp (argv[i], "-sharpen") == 0)
+ {
+ int intval;
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing value\n");
+ continue;
+ }
+ if (sscanf (argv[i], "%i", &intval) == 0)
+ {
+ fprintf (stderr, "Bad value (%s)\n", argv[i]);
+ continue;
+ }
+ imlib_image_sharpen (intval);
+ }
+ else if (strcmp (argv[i], "-contrast") == 0)
+ {
+ double dblval;
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing value\n");
+ continue;
+ }
+ if (sscanf (argv[i], "%lf", &dblval) == 0)
+ {
+ fprintf (stderr, "Bad value (%s)\n", argv[i]);
+ continue;
+ }
+ imlib_modify_color_modifier_contrast (dblval);
+ }
+ else if (strcmp (argv[i], "-brightness") == 0)
+ {
+ double dblval;
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing value\n");
+ continue;
+ }
+ if (sscanf (argv[i], "%lf", &dblval) == 0)
+ {
+ fprintf (stderr, "Bad value (%s)\n", argv[i]);
+ continue;
+ }
+ imlib_modify_color_modifier_brightness (dblval);
+ }
+ else if (strcmp (argv[i], "-gamma") == 0)
+ {
+ double dblval;
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing value\n");
+ continue;
+ }
+ if (sscanf (argv[i], "%lf", &dblval) == 0)
+ {
+ fprintf (stderr, "Bad value (%s)\n", argv[i]);
+ continue;
+ }
+ imlib_modify_color_modifier_gamma (dblval);
+ }
+ else if (strcmp (argv[i], "-flipv") == 0)
+ {
+ imlib_image_flip_vertical ();
+ }
+ else if (strcmp (argv[i], "-fliph") == 0)
+ {
+ imlib_image_flip_horizontal ();
+ }
+ else if (strcmp (argv[i], "-flipd") == 0)
+ {
+ imlib_image_flip_diagonal ();
+ }
+ else if (strcmp (argv[i], "-write") == 0)
+ {
+ if ((++i) >= argc)
+ {
+ fprintf (stderr, "Missing filename\n");
+ continue;
+ }
+ imlib_save_image (argv[i]);
+ }
+ else
+ {
+ usage (argv[0]);
+ imlib_free_image ();
+ imlib_free_color_range ();
+ if (modifier != NULL)
+ {
+ imlib_context_set_color_modifier (modifier);
+ imlib_free_color_modifier ();
+ modifier = NULL;
+ }
+ XFreePixmap (display, pixmap);
+ exit (1);
+ }
+ }
+
+ if (modifier != NULL)
+ {
+ imlib_context_set_color_modifier (modifier);
+ imlib_apply_color_modifier ();
+ imlib_free_color_modifier ();
+ modifier = NULL;
+ }
+ imlib_render_image_on_drawable (0, 0);
+ imlib_free_image ();
+ imlib_free_color_range ();
+
+ if (setRootAtoms (pixmap) == 0)
+ fprintf (stderr, "Couldn't create atoms...\n");
+
+ XKillClient (display, AllTemporary);
+ XSetCloseDownMode (display, RetainTemporary);
+
+ XSetWindowBackgroundPixmap (display, RootWindow (display, screen),
+ pixmap);
+ XClearWindow (display, RootWindow (display, screen));
+
+ XFlush (display);
+ XSync (display, False);
+
+ imlib_context_pop ();
+ imlib_context_free (context);
+ }
+
+ return 0;
+}