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-rw-r--r--src/yawa.c413
1 files changed, 214 insertions, 199 deletions
diff --git a/src/yawa.c b/src/yawa.c
index 80d3691..95eba5b 100644
--- a/src/yawa.c
+++ b/src/yawa.c
@@ -16,63 +16,178 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#define _GNU_SOURCE
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <Imlib2.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
+#include <errno.h>
#include "config.h"
+#include <argp.h>
+#include <stdbool.h>
+
+typedef struct
+{
+ int r, g, b, a;
+} Color, *PColor;
+
typedef enum
{ Full, Fill, Center, Tile } ImageMode;
-void
-usage (char *commandline)
+int setRootAtoms (Pixmap pixmap);
+int getHex (char c);
+int parse_color (char *arg, PColor c, int a);
+int load_image (ImageMode mode, const char *arg, int rootW, int rootH, int alpha,
+ Imlib_Image rootimg);
+
+const char *argp_program_version = "yawa 0.0.1";
+const char *argp_program_bug_address = "<johannes@kyriasis.com>";
+
+static int num_add_colors;
+struct arguments {
+ char *image;
+ char *color;
+ int angle;
+ int alpha_amount;
+
+ bool add: 1;
+ bool gradient: 1;
+ bool clear: 1;
+ bool solid: 1;
+ bool center: 1;
+ bool tile: 1;
+ bool full: 1;
+ bool fill: 1;
+ bool tint: 1;
+ bool blur: 1;
+ bool sharpen: 1;
+ bool contrast: 1;
+ bool brightness: 1;
+ bool gamma: 1;
+ bool flipv: 1;
+ bool fliph: 1;
+ bool flipd;
+ bool alpha;
+ bool write;
+ char add_color[9][9];
+};
+
+/* Order of fields: {NAME, KEY, ARG, FLAGS, DOC, GROUP}. */
+static struct argp_option options[] =
+{
+ {0, 0, 0, 0, "Gradients:", 1},
+ {"add", 'a', "COLOR", 0, "Add color to range using distance 1", 1},
+ // TODO: Figure out what to do about `-addd <color> <distance>
+ {"gradient", 'g', "ANGLE", 0, "Render gradient using specified angle", 1},
+ {"clear", 'c', 0, 0, "Clear the color range", 1},
+
+ {0, 0, 0, 0, "Solid:", 2},
+ {"solid", 's', "COLOR", 0, "Render a solid using the specified color", 2},
+
+ {0, 0, 0, 0, "Image files:", 3},
+ {"center", 'C', "IMAGE", 0, "Render an image centered on the screen", 3},
+ {"tile", 't', "IMAGE", 0, "Render an image tiled", 3},
+ {"full", 'f', "IMAGE", 0, "Render an image maximum aspect", 3},
+ {"fill", 'F', "IMAGE", 0, "Render an image stretched", 3},
+
+ {0, 0, 0, 0, "Manipulations:", 4},
+ {"tint", 'T', "COLOR", 0, "Tint current image", 4},
+ {"blur", 'b', "RADIUS", 0, "Blur the current image", 4}, // Not implemented
+ {"sharpen", 'S', "RADIUS", 0, "Sharpen the current image", 4}, // Not implemented
+ {"contrast", 'o', "AMOUNT", 0, "Adjust the contrast of the current image", 4}, // Not implemented
+ {"brightness", 'G', "AMOUNT", 0, "Adjust the bightness of the current image", 4}, // Not implemented
+ {"gamma", 'G', "AMOUNT", 0, "Adjust the gamma level of the current image", 4}, // Not implemented
+ {"flipv", 'v', 0, 0, "Flip the current image vertically", 4}, // Not implemented
+ {"fliph", 'h', 0, 0, "Flip the current image horizontally", 4}, // Not implemented
+ {"flipd", 'd', 0, 0, "Flip the current image diagonally", 4}, // Not implemented
+
+ {0, 0, 0, 0, "Misc:", -1},
+ {"alpha", 'A', "AMOUNT", 0, "Adjust alpha level for colors and images", -1},
+ {"write", 'w', "FILENAME", 0, "Write the current image to a file", -1}, // Not implemented
+ {0, 0, 0, 0, 0, 0}
+};
+
+/* Order of parameters: KEY, ARG, STATE. */
+static error_t
+parse_opt (int key, char *arg, struct argp_state *state)
{
- 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);
+ struct arguments *arguments = state->input;
+ char *endptr;
+ long val;
+ errno = 0;
+
+ switch (key) {
+ case 'a':
+ arguments->add = true;
+ strncpy(arguments->add_color[num_add_colors], arg, sizeof(arguments->add_color[0]));
+ num_add_colors += 1;
+ break;
+ case 'g':
+ arguments->gradient = true;
+ val = strtol(arg, &endptr, 10);
+ arguments->angle = (int)val;
+
+ if ((errno == ERANGE && (val == LONG_MAX || val == LONG_MIN))
+ || (errno != 0 && val == 0)) {
+ perror("strtol");
+ exit(-2);
+ }
+
+ if (endptr == arg) {
+ fprintf(stderr, "No digits were found\n");
+ exit(-2);
+ }
+
+ break;
+ case 'c':
+ arguments->clear = true;
+ break;
+ case 's':
+ arguments->solid = true;
+ arguments->color = arg;
+ break;
+ case 'C':
+ arguments->center = true;
+ arguments->image = arg;
+ break;
+ case 't':
+ arguments->tile = true;
+ arguments->image = arg;
+ break;
+ case 'f':
+ arguments->full = true;
+ arguments->image = arg;
+ break;
+ case 'F':
+ arguments->fill = true;
+ arguments->image = arg;
+ break;
+ case 'T':
+ arguments->tint = true;
+ arguments->color = arg;
+ break;
+ case 'A':
+ arguments->alpha = true;
+ arguments->alpha_amount = atoi(arg);
+ break;
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+ return 0;
}
+/* Program documentation. */
+static char doc[] = "yawa -- Yet Another Wallpaper Application";
+/* The ARGP structure itself. */
+static struct argp argp = {options, parse_opt, "", doc, NULL, NULL, 0};
+
// Globals:
-Display *display;
-int screen;
+static Display *display;
+static int screen;
// Adapted from fluxbox' bsetroot
int
@@ -98,9 +213,9 @@ setRootAtoms (Pixmap pixmap)
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))
+ *(data_root) == *(data_eroot))
{
- XKillClient (display, *((Pixmap *) data_root));
+ XKillClient (display, *(data_root));
}
}
}
@@ -122,11 +237,6 @@ setRootAtoms (Pixmap pixmap)
return 1;
}
-typedef struct
-{
- int r, g, b, a;
-} Color, *PColor;
-
int
getHex (char c)
{
@@ -262,12 +372,23 @@ load_image (ImageMode mode, const char *arg, int rootW, int rootH, int alpha,
int
main (int argc, char **argv)
{
+ struct arguments arguments = {
+ "", "", 0, 0, false,
+ false, false, false, false, false, false, false, false, false,
+ false, false, false, false, false, false, false, false, false,
+ {{0}} // add_color array
+ };
+
+ /* Where the magic happens */
+ argp_parse (&argp, argc, argv, 0, 0, &arguments);
+
Visual *vis;
Colormap cm;
Display *_display;
Imlib_Context *context;
Imlib_Image image;
- int width, height, depth, i, alpha;
+ int width, height, depth, alpha;
+ int i = 0;
Pixmap pixmap;
Imlib_Color_Modifier modifier = NULL;
_display = XOpenDisplay (NULL);
@@ -287,8 +408,8 @@ main (int argc, char **argv)
depth = DefaultDepth (display, screen);
pixmap =
- XCreatePixmap (display, RootWindow (display, screen), width, height,
- depth);
+ XCreatePixmap (display, RootWindow (display, screen), (unsigned int) width, (unsigned int) height,
+ (unsigned int) depth);
imlib_context_set_visual (vis);
imlib_context_set_colormap (cm);
@@ -306,8 +427,6 @@ main (int argc, char **argv)
alpha = 255;
- for (i = 1; i < argc; i++)
- {
if (modifier != NULL)
{
imlib_apply_color_modifier ();
@@ -316,168 +435,89 @@ main (int argc, char **argv)
modifier = imlib_create_color_modifier ();
imlib_context_set_color_modifier (modifier);
- if (strcmp (argv[i], "-alpha") == 0)
+ if (arguments.alpha)
{
- 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;
- }
-
+ alpha = arguments.alpha;
}
- else if (strcmp (argv[i], "-solid") == 0)
+ if (arguments.solid)
{
Color c;
- if ((++i) >= argc)
- {
- fprintf (stderr, "Missing color\n");
- continue;
- }
- if (parse_color (argv[i], &c, alpha) == 0)
+ if (parse_color (arguments.color, &c, alpha) == 0)
{
- fprintf (stderr, "Bad color (%s)\n", argv[i]);
+ fprintf (stderr, "Bad color (%s)\n", arguments.color);
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)
+ if (arguments.clear)
{
imlib_free_color_range ();
imlib_context_set_color_range (imlib_create_color_range ());
}
- else if (strcmp (argv[i], "-add") == 0)
+ // TODO: Add back -add and -addd
+ if (arguments.add)
{
- Color c;
- if ((++i) >= argc)
+ for (i = 0; i < num_add_colors; i++)
{
- fprintf (stderr, "Missing color\n");
- continue;
+ Color c;
+ if (parse_color (arguments.add_color[i], &c, alpha) == 0)
+ {
+ fprintf (stderr, "Bad color (%s)\n", arguments.add_color[i]);
+ continue;
+ }
+ imlib_context_set_color (c.r, c.g, c.b, c.a);
+ imlib_add_color_to_color_range (1);
}
- 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)
+ if (arguments.gradient)
{
- 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);
+ arguments.angle);
}
- else if (strcmp (argv[i], "-fill") == 0)
+ if (arguments.fill)
{
- if ((++i) >= argc)
- {
- fprintf (stderr, "Missing image\n");
- continue;
- }
- if (load_image (Fill, argv[i], width, height, alpha, image) ==
+ if (load_image (Fill, arguments.image, width, height, alpha, image) ==
0)
{
- fprintf (stderr, "Bad image (%s)\n", argv[i]);
+ fprintf (stderr, "Bad image (%s)\n", arguments.image);
continue;
}
}
- else if (strcmp (argv[i], "-full") == 0)
+ if (arguments.full)
{
- if ((++i) >= argc)
- {
- fprintf (stderr, "Missing image\n");
- continue;
- }
- if (load_image (Full, argv[i], width, height, alpha, image) ==
+ if (load_image (Full, arguments.image, width, height, alpha, image) ==
0)
{
- fprintf (stderr, "Bad image (%s)\n", argv[i]);
+ fprintf (stderr, "Bad image (%s)\n", arguments.image);
continue;
}
}
- else if (strcmp (argv[i], "-tile") == 0)
+ if (arguments.tile)
{
- if ((++i) >= argc)
- {
- fprintf (stderr, "Missing image\n");
- continue;
- }
- if (load_image (Tile, argv[i], width, height, alpha, image) ==
+ if (load_image (Tile, arguments.image, width, height, alpha, image) ==
0)
{
- fprintf (stderr, "Bad image (%s)\n", argv[i]);
+ fprintf (stderr, "Bad image (%s)\n", arguments.image);
continue;
}
}
- else if (strcmp (argv[i], "-center") == 0)
+ if (arguments.center)
{
- if ((++i) >= argc)
- {
- fprintf (stderr, "Missing image\n");
- continue;
- }
- if (load_image (Center, argv[i], width, height, alpha, image) ==
+ if (load_image (Center, arguments.image, width, height, alpha, image) ==
0)
{
- fprintf (stderr, "Bad image (%s)\n", argv[i]);
+ fprintf (stderr, "Bad image (%s)\n", arguments.image);
continue;
}
}
- else if (strcmp (argv[i], "-tint") == 0)
+ if (arguments.tint)
{
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)
+ if (parse_color (arguments.color, &c, 255) == 0)
{
fprintf (stderr, "Bad color\n");
continue;
@@ -494,14 +534,9 @@ main (int argc, char **argv)
imlib_set_color_modifier_tables (r, g, b, a);
}
- else if (strcmp (argv[i], "-blur") == 0)
+ if (arguments.blur)
{
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]);
@@ -509,7 +544,7 @@ main (int argc, char **argv)
}
imlib_image_blur (intval);
}
- else if (strcmp (argv[i], "-sharpen") == 0)
+ if (arguments.sharpen)
{
int intval;
if ((++i) >= argc)
@@ -524,7 +559,7 @@ main (int argc, char **argv)
}
imlib_image_sharpen (intval);
}
- else if (strcmp (argv[i], "-contrast") == 0)
+ if (arguments.contrast)
{
double dblval;
if ((++i) >= argc)
@@ -539,7 +574,7 @@ main (int argc, char **argv)
}
imlib_modify_color_modifier_contrast (dblval);
}
- else if (strcmp (argv[i], "-brightness") == 0)
+ if (arguments.brightness)
{
double dblval;
if ((++i) >= argc)
@@ -554,7 +589,7 @@ main (int argc, char **argv)
}
imlib_modify_color_modifier_brightness (dblval);
}
- else if (strcmp (argv[i], "-gamma") == 0)
+ if (arguments.gamma)
{
double dblval;
if ((++i) >= argc)
@@ -569,42 +604,22 @@ main (int argc, char **argv)
}
imlib_modify_color_modifier_gamma (dblval);
}
- else if (strcmp (argv[i], "-flipv") == 0)
+ if (arguments.flipv)
{
imlib_image_flip_vertical ();
}
- else if (strcmp (argv[i], "-fliph") == 0)
+ if (arguments.fliph)
{
imlib_image_flip_horizontal ();
}
- else if (strcmp (argv[i], "-flipd") == 0)
+ if (arguments.flipd)
{
imlib_image_flip_diagonal ();
}
- else if (strcmp (argv[i], "-write") == 0)
+ if (arguments.write)
{
- 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)
{