mirror of
https://cagebreak.project-repo.co/cagebreak.git
synced 2026-08-09 07:09:11 +02:00
d19c32d7a4
Functionality: * Add configuration to anchor position of messages (#60, 71 in Bugs.md). * Add output priorisation (#38, 68 in Bugs.md). * Print whether output is active in dump. Bug Fixes: * Fix gamma control (72 in Bugs.md). * Add missing commands to example config. * Add message_config to dump output. Example Scripts: * Add screenshot script. * Make example scripts standalone. Documentation: * Escape html tags in config man page. (#68, 69 in Bugs.md) * Improve README.md (#62, 70 in Bugs.md). * Improve SECURITY.md. * Add CONTRIBUTING.md (#62, 70 in Bugs.md). * FAQ: Add Firefox screenshare instructions for wayland. * FAQ: Add wlroots downgrading instructions for workaround in case of temporary wlroots incompatibility. * Update copyright notices to 2024. Development Tooling: * Add new gpg keys (signed by the old ones). * Add PR template. * Add dev-FAQ. * Remove now-unnecessary fanalyzer pragmas.
93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
// Copyright 2020 - 2024, project-repo and the cagebreak contributors
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// SPDX-License-Identifier: MIT
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#include <cairo.h>
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#include <cairo/cairo.h>
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#include <pango/pangocairo.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <wlr/util/log.h>
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char *
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lenient_strcat(char *dest, const char *src) {
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if(dest && src) {
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return strcat(dest, src);
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}
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return dest;
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}
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PangoLayout *
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get_pango_layout(cairo_t *cairo, const char *font, const char *text,
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double scale) {
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PangoLayout *layout = pango_cairo_create_layout(cairo);
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PangoAttrList *attrs;
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attrs = pango_attr_list_new();
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pango_layout_set_text(layout, text, -1);
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pango_attr_list_insert(attrs, pango_attr_scale_new(scale));
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PangoFontDescription *desc = pango_font_description_from_string(font);
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pango_layout_set_font_description(layout, desc);
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pango_layout_set_single_paragraph_mode(layout, false);
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pango_layout_set_attributes(layout, attrs);
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pango_attr_list_unref(attrs);
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pango_font_description_free(desc);
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return layout;
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}
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void
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get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
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int *baseline, double scale, const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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// Add one since vsnprintf excludes null terminator.
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int length = vsnprintf(NULL, 0, fmt, args) + 1;
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va_end(args);
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char *buf = malloc(length);
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if(buf == NULL) {
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wlr_log(WLR_ERROR, "Failed to allocate memory");
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return;
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}
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va_start(args, fmt);
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vsnprintf(buf, length, fmt, args);
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va_end(args);
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PangoLayout *layout = get_pango_layout(cairo, font, buf, scale);
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pango_cairo_update_layout(cairo, layout);
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pango_layout_get_pixel_size(layout, width, height);
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if(baseline) {
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*baseline = pango_layout_get_baseline(layout) / PANGO_SCALE;
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}
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g_object_unref(layout);
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free(buf);
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}
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void
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pango_printf(cairo_t *cairo, const char *font, double scale, const char *fmt,
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...) {
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va_list args;
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va_start(args, fmt);
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// Add one since vsnprintf excludes null terminator.
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int length = vsnprintf(NULL, 0, fmt, args) + 1;
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va_end(args);
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char *buf = malloc(length);
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if(buf == NULL) {
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wlr_log(WLR_ERROR, "Failed to allocate memory");
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return;
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}
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va_start(args, fmt);
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vsnprintf(buf, length, fmt, args);
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va_end(args);
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PangoLayout *layout = get_pango_layout(cairo, font, buf, scale);
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cairo_font_options_t *fo = cairo_font_options_create();
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cairo_get_font_options(cairo, fo);
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pango_cairo_context_set_font_options(pango_layout_get_context(layout), fo);
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cairo_font_options_destroy(fo);
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pango_cairo_update_layout(cairo, layout);
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pango_cairo_show_layout(cairo, layout);
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g_object_unref(layout);
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free(buf);
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}
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