Commit 290eefde authored by Sebastian Ramacher's avatar Sebastian Ramacher

Use a lock to lock the render thread for printing.

parent f28deccc
......@@ -93,5 +93,7 @@ cb_print_draw_page(GtkPrintOperation* UNUSED(print_operation), GtkPrintContext*
return;
}
render_lock(zathura->sync.render_thread);
zathura_page_render(page, cairo, true);
render_unlock(zathura->sync.render_thread);
}
......@@ -20,6 +20,7 @@ static gint render_thread_sort(gconstpointer a, gconstpointer b, gpointer data);
struct render_thread_s
{
GThreadPool* pool; /**< Pool of threads */
GStaticMutex mutex; /**< Render lock */
};
static void
......@@ -31,6 +32,7 @@ render_job(void* data, void* user_data)
return;
}
girara_debug("rendring page %d\n", zathura_page_get_index(page));
if (render(zathura, page) != true) {
girara_error("Rendering failed (page %d)\n", zathura_page_get_index(page));
}
......@@ -48,6 +50,7 @@ render_init(zathura_t* zathura)
}
g_thread_pool_set_sort_function(render_thread->pool, render_thread_sort, zathura);
g_static_mutex_init(&render_thread->mutex);
return render_thread;
......@@ -68,6 +71,7 @@ render_free(render_thread_t* render_thread)
g_thread_pool_free(render_thread->pool, TRUE, TRUE);
}
g_static_mutex_free(&render_thread->mutex);
g_free(render_thread);
}
......@@ -119,12 +123,15 @@ render(zathura_t* zathura, zathura_page_t* page)
cairo_scale(cairo, scale, scale);
}
render_lock(zathura->sync.render_thread);
if (zathura_page_render(page, cairo, false) != ZATHURA_ERROR_OK) {
render_unlock(zathura->sync.render_thread);
cairo_destroy(cairo);
cairo_surface_destroy(surface);
return false;
}
render_unlock(zathura->sync.render_thread);
cairo_restore(cairo);
cairo_destroy(cairo);
......@@ -221,3 +228,23 @@ render_thread_sort(gconstpointer a, gconstpointer b, gpointer data)
return 0;
}
void
render_lock(render_thread_t* render_thread)
{
if (render_thread == NULL) {
return;
}
g_static_mutex_lock(&render_thread->mutex);
}
void
render_unlock(render_thread_t* render_thread)
{
if (render_thread == NULL) {
return;
}
g_static_mutex_unlock(&render_thread->mutex);
}
......@@ -44,4 +44,19 @@ bool render_page(render_thread_t* render_thread, zathura_page_t* page);
*/
void render_all(zathura_t* zathura);
/**
* Lock the render thread. This is useful if you want to render on your own (e.g
* for printing).
*
* @param render_thread The render thread object.
*/
void render_lock(render_thread_t* render_thread);
/**
* Unlock the render thread.
*
* @param render_thread The render thread object.
*/
void render_unlock(render_thread_t* render_thread);
#endif // RENDER_H
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