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