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#include "config.h"
#include <X11/Xlib.h>
#include <X11/extensions/XShm.h>
#include <X11/Xutil.h>
#include <X11/extensions/shape.h>
#include <X11/Xatom.h>
#include <X11/Xos.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <math.h>
#include "Imlib2.h"
Display *disp;
Window win;
Visual *vis;
Colormap cm;
int depth;
int
main(int argc, char **argv)
{
int w, h, tw, th;
Imlib_Image im_bg = NULL;
XEvent ev;
KeySym keysym;
static char kbuf[20];
Imlib_Font font;
Imlib_Color_Range range;
const char *display_name = getenv("DISPLAY");
/**
* First tests to determine which rendering task to perform
*/
if (display_name == NULL)
display_name = ":0";
disp = XOpenDisplay(display_name);
if (disp == NULL)
{
fprintf(stderr, "Can't open display %s\n", display_name);
return 1;
}
vis = DefaultVisual(disp, DefaultScreen(disp));
depth = DefaultDepth(disp, DefaultScreen(disp));
cm = DefaultColormap(disp, DefaultScreen(disp));
win =
XCreateSimpleWindow(disp, DefaultRootWindow(disp), 0, 0, 100, 100, 0, 0,
0);
XSelectInput(disp, win,
ButtonPressMask | ButtonReleaseMask | ButtonMotionMask |
PointerMotionMask | ExposureMask | KeyPressMask);
/**
* Start rendering
*/
imlib_set_font_cache_size(512 * 1024);
imlib_add_path_to_font_path(PACKAGE_DATA_DIR"/data/fonts");
imlib_context_set_display(disp);
imlib_context_set_visual(vis);
imlib_context_set_colormap(cm);
imlib_context_set_drawable(win);
imlib_context_set_blend(0);
imlib_context_set_color_modifier(NULL);
imlib_context_set_blend(0);
im_bg = imlib_create_image(600, 400);
imlib_context_set_image(im_bg);
w = imlib_image_get_width();
h = imlib_image_get_height();
imlib_context_set_color(128, 128, 255, 255);
imlib_image_fill_rectangle(0, 0, w, h);
XResizeWindow(disp, win, w, h);
XMapWindow(disp, win);
XSync(disp, False);
while (1)
{
do
{
XNextEvent(disp, &ev);
switch (ev.type)
{
case ButtonRelease:
exit(0);
break;
case KeyPress:
XLookupString(&ev.xkey, (char *)kbuf, sizeof(kbuf), &keysym,
NULL);
switch (*kbuf)
{
case 'q':
exit(0);
default:
break;
}
break;
default:
break;
}
}
while (XPending(disp));
imlib_context_set_image(im_bg);
imlib_context_set_color(128, 128, 255, 255);
imlib_image_fill_rectangle(0, 0, w, h);
imlib_context_set_color(0, 0, 0, 255);
imlib_image_draw_rectangle(20, 20, 560, 140);
imlib_image_draw_rectangle(20, 220, 560, 140);
font = imlib_load_font("notepad/15");
if (font)
{
char text[4096];
imlib_context_set_font(font);
imlib_context_set_color(0, 0, 0, 255);
sprintf(text, "RGBA range, 2 points, from red to magenta");
imlib_get_text_size(text, &tw, &th);
imlib_text_draw(300 - tw / 2, 180 - th / 2, text);
sprintf(text, "HSVA range, 2 points, from red to magenta");
imlib_get_text_size(text, &tw, &th);
imlib_text_draw(300 - tw / 2, 380 - th / 2, text);
imlib_free_font();
}
/* Draw rectangle w/ RGBA gradient */
range = imlib_create_color_range();
imlib_context_set_color_range(range);
imlib_context_set_color(255, 0, 0, 255);
imlib_add_color_to_color_range(0);
imlib_context_set_color(255, 0, 255, 255);
imlib_add_color_to_color_range(20);
imlib_image_fill_color_range_rectangle(21, 21, 558, 138, -90.0);
imlib_free_color_range();
/* Draw rectangle w/ HSVA gradient */
range = imlib_create_color_range();
imlib_context_set_color_range(range);
imlib_context_set_color_hsva(0, 1, 1, 255);
imlib_add_color_to_color_range(0);
imlib_context_set_color_hsva(300, 1, 1, 255);
imlib_add_color_to_color_range(20);
imlib_image_fill_hsva_color_range_rectangle(21, 221, 558, 138, -90.0);
imlib_free_color_range();
imlib_render_image_on_drawable(0, 0);
}
return 0;
}
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