50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*
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* Handles font loading
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*
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <xcb/xcb.h>
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#include "data.h"
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/* TODO: This is just here to be somewhere. Move it somewhere else. */
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void check_error(xcb_connection_t *connection, xcb_void_cookie_t cookie, char *errMessage) {
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xcb_generic_error_t *error = xcb_request_check (connection, cookie);
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if (error != NULL) {
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fprintf(stderr, "ERROR: %s : %d\n", errMessage , error->error_code);
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xcb_disconnect(connection);
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exit(-1);
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}
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}
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Font *load_font(xcb_connection_t *c, const char *pattern) {
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/* TODO: this function should be caching */
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Font *new = malloc(sizeof(Font));
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xcb_list_fonts_with_info_cookie_t cookie = xcb_list_fonts_with_info(c, 1, strlen(pattern), pattern);
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xcb_list_fonts_with_info_reply_t *reply = xcb_list_fonts_with_info_reply(c, cookie, NULL);
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if (!reply) {
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printf("Could not load font\n");
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exit(1);
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}
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/* Oh my, this is so ugly :-(. Why can’t they just return a null-terminated
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* string? That’s what abstraction layers are for. */
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char buffer[xcb_list_fonts_with_info_name_length(reply)+1];
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memset(buffer, 0, sizeof(buffer));
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memcpy(buffer, xcb_list_fonts_with_info_name(reply), sizeof(buffer)-1);
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new->name = strdup(buffer);
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new->pattern = strdup(pattern);
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new->height = reply->font_ascent + reply->font_descent;
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/* Actually load the font */
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new->id = xcb_generate_id(c);
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xcb_void_cookie_t font_cookie = xcb_open_font_checked(c, new->id, strlen(pattern), pattern);
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check_error(c, font_cookie, "Could not open font");
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return new;
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}
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