78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
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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/window.h"
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#include "lib/graphics.h"
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window_t * window;
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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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}
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void resize_callback(window_t * win) {
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reinit_graphics_window(ctx, window);
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render();
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}
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int main(int argc, char * argv[]) {
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setup_windowing();
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int width = 500;
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int height = 500;
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resize_window_callback = resize_callback;
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window = window_create(100,100,500,500);
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ctx = init_graphics_window(window);
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draw_fill(ctx, rgba(0,0,0,127));
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window_enable_alpha(window);
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render();
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while (1) {
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w_keyboard_t * kbd = poll_keyboard();
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if (kbd != NULL) {
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if (kbd->key == 'q') {
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break;
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}
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free(kbd);
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}
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}
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teardown_windowing();
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return 0;
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}
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