41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
#include <gtk/gtk.h>
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#include <cairo.h>
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#include <stdbool.h>
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static void draw_event(GtkDrawingArea *area, cairo_t *cr, int width, int height, gpointer data) {
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const double fieldSize = (double)(width < height ? width : height) / 8;
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const double xOffset = (width - fieldSize * 8) / 2;
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const double yOffset = (height - fieldSize * 8) / 2;
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for(int x = 0; x < 8; ++x) {
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for(int y = 0; y < 8; ++y) {
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cairo_rectangle(cr, xOffset + x * fieldSize, yOffset + y * fieldSize, fieldSize, fieldSize);
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if((x + y) & 1) cairo_set_source_rgb(cr, 0.46274, 0.5882, 0.3373);
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else cairo_set_source_rgb(cr, 0.9333, 0.9333, 0.8235);
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cairo_fill(cr);
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}
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}
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}
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static void app_activate(GApplication *app, gpointer user_data) {
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GtkWindow *win;
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GtkWidget *drawArea;
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win = GTK_WINDOW(gtk_window_new());
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drawArea = gtk_drawing_area_new();
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gtk_window_set_child(win, drawArea);
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gtk_drawing_area_set_draw_func(GTK_DRAWING_AREA(drawArea), draw_event, NULL, NULL);
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gtk_window_set_application(win, GTK_APPLICATION(app));
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gtk_window_present(win);
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}
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int main(int argc, char **argv) {
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GtkApplication *app;
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int stat;
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app = gtk_application_new("org.zinkel.chess", G_APPLICATION_DEFAULT_FLAGS);
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g_signal_connect(app, "activate", G_CALLBACK (app_activate), NULL);
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stat = g_application_run(G_APPLICATION(app), argc, argv);
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g_object_unref (app);
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return stat;
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}
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