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// Imlib2 stuff which I think I copied from somewhere.
#include <Imlib2.h>
#include <X11/Xlib.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
Display *disp;
Window win;
Visual *vis;
Colormap cm;
int depth;
int main(int argc, char **argv)
{
XEvent ev;
Imlib_Updates updates, current_update;
Imlib_Image buffer;
Imlib_Font font;
Imlib_Color_Range range;
int mouse_x = 0, mouse_y = 0;
disp = XOpenDisplay(NULL);
vis = DefaultVisual(disp, DefaultScreen(disp));
depth = DefaultDepth(disp, DefaultScreen(disp));
cm = DefaultColormap(disp, DefaultScreen(disp));
win = XCreateSimpleWindow(disp, DefaultRootWindow(disp),
0, 0, 640, 480, 0, 0, 0);
XSelectInput(disp, win, ButtonPressMask | ButtonReleaseMask |
PointerMotionMask | ExposureMask);
XMapWindow(disp, win);
imlib_set_cache_size(2048 * 1024);
imlib_set_font_cache_size(512 * 1024);
imlib_add_path_to_font_path("./ttfonts");
imlib_set_color_usage(128);
imlib_context_set_dither(1);
imlib_context_set_display(disp);
imlib_context_set_visual(vis);
imlib_context_set_colormap(cm);
imlib_context_set_drawable(win);
while(true) {
Imlib_Image image;
int w, h, text_w, text_h;
updates = imlib_updates_init();
do {
XNextEvent(disp, &ev);
switch (ev.type) {
case Expose:
updates = imlib_update_append_rect(updates,
ev.xexpose.x, ev.xexpose.y,
ev.xexpose.width, ev.xexpose.height);
break;
case ButtonPress:
exit(0);
break;
case MotionNotify:
image = imlib_load_image("./test_images/mush.png");
imlib_context_set_image(image);
w = imlib_image_get_width();
h = imlib_image_get_height();
imlib_context_set_image(image);
imlib_free_image();
updates = imlib_update_append_rect(updates,
mouse_x - (w / 2), mouse_y - (h / 2),
w, h);
font = imlib_load_font("notepad/30");
if (font) {
char text[4096];
imlib_context_set_font(font);
sprintf(text, "Mouse is at %i, %i", mouse_x, mouse_y);
imlib_get_text_size(text, &text_w, &text_h);
imlib_free_font();
updates = imlib_update_append_rect(updates,
320 - text_w / 2, 240 - text_h / 2,
text_w, text_h);
}
mouse_x = ev.xmotion.x;
mouse_y = ev.xmotion.y;
updates = imlib_update_append_rect(updates,
mouse_x - w / 2, mouse_y - h / 2,
w, h);
font = imlib_load_font("notepad/30");
if (font) {
char text[4096];
imlib_context_set_font(font);
sprintf(text, "Mouse is at %i, %i", mouse_x, mouse_y);
imlib_get_text_size(text, &text_w, &text_h);
imlib_free_font();
updates = imlib_update_append_rect(updates,
320 - text_w / 2, 240 - text_h / 2,
text_w, text_h);
}
default:
break;
}
} while (XPending(disp));
updates = imlib_updates_merge_for_rendering(updates, 640, 480);
for (current_update = updates;
current_update;
current_update = imlib_updates_get_next(current_update)) {
int up_x, up_y, up_w, up_h;
imlib_updates_get_coordinates(current_update, &up_x, &up_y, &up_w, &up_h);
buffer = imlib_create_image(up_w, up_h);
imlib_context_set_blend(1);
image = imlib_load_image("./test_images/bg.png");
imlib_context_set_image(image);
w = imlib_image_get_width();
h = imlib_image_get_height();
imlib_context_set_image(buffer);
if (image) {
imlib_blend_image_onto_image(image, 0, 0, 0,
w, h, -up_x, -up_y, 640, 480);
imlib_context_set_image(image);
imlib_free_image();
}
image = imlib_load_image("./test_images/mush.png");
imlib_context_set_image(image);
w = imlib_image_get_width();
h = imlib_image_get_height();
imlib_context_set_image(image);
if (image) {
imlib_blend_image_onto_image(image, 0, 0, 0, w, h,
mouse_x - w / 2 - up_x,
mouse_y - h / 2 - up_y,
w, h);
imlib_context_set_image(image);
imlib_free_image();
}
range = imlib_create_color_range();
imlib_context_set_color_range(range);
imlib_context_set_color(255, 255, 255, 255);
imlib_add_color_to_color_range(0);
imlib_context_set_color(255, 200, 10, 100);
imlib_add_color_to_color_range(10);
imlib_context_set_color(0, 0, 0, 0);
imlib_add_color_to_color_range(20);
imlib_context_set_image(buffer);
imlib_image_fill_color_range_rectangle(-up_x, -up_y, 128, 128, -45);
imlib_free_color_range();
font = imlib_load_font("notepad/30");
if (font) {
char text[4096];
imlib_context_set_font(font);
imlib_context_set_image(buffer);
imlib_context_set_color(0, 0, 0, 255);
sprintf(text, "Mouse is at %i, %i", mouse_x, mouse_y);
imlib_get_text_size(text, &text_w, &text_h);
imlib_text_draw(320 - text_w / 2 - up_x,
240 - text_h / 2 - up_y,
text);
imlib_free_font();
}
imlib_context_set_blend(0);
imlib_context_set_image(buffer);
imlib_render_image_on_drawable(up_x, up_y);
imlib_free_image();
}
if (updates)
imlib_updates_free(updates);
}
return 0;
}
/*Imlib_Image image = imlib_create_image(640, 480);*/
/*imlib_context_set_image(image);*/
/*imlib_context_set_color(255, 255, 255, 255);*/
/*imlib_image_fill_rectangle(0, 0, 640, 480);*/
/*imlib_context_set_color(255, 128, 0, 255);*/
/*ImlibPolygon poly = imlib_polygon_new();*/
/*imlib_polygon_add_point(poly, 0, 0);*/
/*imlib_polygon_add_point(poly, 10, 440);*/
/*imlib_polygon_add_point(poly, 600, 10);*/
/*imlib_image_fill_polygon(poly);*/
/*imlib_polygon_free(poly);*/
/*imlib_save_image("imlibtest.png");*/
/*imlib_free_image();*/
/*return 0;*/
/*}*/
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