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#include <cairo/cairo.h>
#include <pango/pangocairo.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "client/window.h"
#include "client/buffer.h"
#include "log.h"
PangoLayout *get_pango_layout(struct window *window, const char *text) {
PangoLayout *layout = pango_cairo_create_layout(window->cairo);
pango_layout_set_text(layout, text, -1);
PangoFontDescription *desc = pango_font_description_from_string(window->font);
pango_layout_set_font_description(layout, desc);
pango_layout_set_single_paragraph_mode(layout, 1);
pango_font_description_free(desc);
return layout;
}
void get_text_size(struct window *window, int *width, int *height, const char *fmt, ...) {
char *buf = malloc(2048);
va_list args;
va_start(args, fmt);
if (vsnprintf(buf, 2048, fmt, args) >= 2048) {
strcpy(buf, "[buffer overflow]");
}
va_end(args);
PangoLayout *layout = get_pango_layout(window, buf);
pango_cairo_update_layout(window->cairo, layout);
pango_layout_get_pixel_size(layout, width, height);
g_object_unref(layout);
free(buf);
}
void pango_printf(struct window *window, const char *fmt, ...) {
char *buf = malloc(2048);
va_list args;
va_start(args, fmt);
if (vsnprintf(buf, 2048, fmt, args) >= 2048) {
strcpy(buf, "[buffer overflow]");
}
va_end(args);
PangoLayout *layout = get_pango_layout(window, buf);
pango_cairo_update_layout(window->cairo, layout);
pango_cairo_show_layout(window->cairo, layout);
g_object_unref(layout);
free(buf);
}
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