100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/* This file is part of ToaruOS and is released under the terms
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* of the NCSA / University of Illinois License - see LICENSE.md
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* Copyright (C) 2013-2014 Kevin Lange
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*/
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#include <math.h>
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#include <stdio.h>
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#include <cairo.h>
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#include "lib/yutani.h"
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#include "lib/graphics.h"
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static yutani_t * yctx;
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static yutani_window_t * window;
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static gfx_context_t * ctx;
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void render() {
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draw_fill(ctx, rgba(0,0,0,127));
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int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, window->width);
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cairo_surface_t * surface = cairo_image_surface_create_for_data(ctx->buffer, CAIRO_FORMAT_ARGB32, window->width, window->height, stride);
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cairo_t * cr = cairo_create(surface);
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cairo_set_line_width (cr, 6);
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cairo_rectangle (cr, 12, 12, 232, 70);
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cairo_new_sub_path (cr); cairo_arc (cr, 64, 64, 40, 0, 2*M_PI);
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cairo_new_sub_path (cr); cairo_arc_negative (cr, 192, 64, 40, 0, -2*M_PI);
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cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
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cairo_set_source_rgb (cr, 0, 0.7, 0); cairo_fill_preserve (cr);
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cairo_set_source_rgb (cr, 0, 0, 0); cairo_stroke (cr);
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cairo_translate (cr, 0, 128);
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cairo_rectangle (cr, 12, 12, 232, 70);
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cairo_new_sub_path (cr); cairo_arc (cr, 64, 64, 40, 0, 2*M_PI);
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cairo_new_sub_path (cr); cairo_arc_negative (cr, 192, 64, 40, 0, -2*M_PI);
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cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);
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cairo_set_source_rgb (cr, 0, 0, 0.9); cairo_fill_preserve (cr);
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cairo_set_source_rgb (cr, 0, 0, 0); cairo_stroke (cr);
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cairo_surface_flush(surface);
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cairo_destroy(cr);
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cairo_surface_flush(surface);
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cairo_surface_destroy(surface);
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yutani_flip(yctx, window);
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}
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int main(int argc, char * argv[]) {
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int width = 500;
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int height = 500;
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yctx = yutani_init();
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window = yutani_window_create(yctx,500,500);
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yutani_window_move(yctx, window, 100, 100);
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ctx = init_graphics_yutani(window);
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draw_fill(ctx, rgba(0,0,0,127));
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yutani_window_advertise_icon(yctx, window, "Cairo Demo", "cairo-demo");
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render();
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while (1) {
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yutani_msg_t * m = yutani_poll(yctx);
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if (m) {
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switch (m->type) {
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case YUTANI_MSG_KEY_EVENT:
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{
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struct yutani_msg_key_event * ke = (void*)m->data;
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if (ke->event.action == KEY_ACTION_DOWN && ke->event.keycode == 'q') {
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free(m);
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goto done;
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}
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}
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break;
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case YUTANI_MSG_WINDOW_MOUSE_EVENT:
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{
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struct yutani_msg_window_mouse_event * me = (void*)m->data;
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if (me->command == YUTANI_MOUSE_EVENT_DOWN && me->buttons & YUTANI_MOUSE_BUTTON_LEFT) {
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yutani_window_drag_start(yctx, window);
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}
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}
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break;
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case YUTANI_MSG_SESSION_END:
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goto done;
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default:
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break;
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}
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}
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free(m);
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}
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done:
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yutani_close(yctx, window);
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return 0;
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}
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