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Save surface temporary in page_t

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This commit is contained in:
Moritz Lipp 2011-04-18 22:59:59 +02:00
parent 8bcb79ea94
commit fdf0bd5649
3 changed files with 18 additions and 11 deletions
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1
document.c
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@ -386,6 +386,7 @@ zathura_page_get(zathura_document_t* document, unsigned int page_id)
page->rendered = false;
page->event_box = gtk_event_box_new();
page->drawing_area = gtk_drawing_area_new();
page->surface = NULL;
g_signal_connect(page->drawing_area, "expose-event", G_CALLBACK(page_expose_event), page);
gtk_container_add(GTK_CONTAINER(page->event_box), page->drawing_area);

1
document.h
View file

@ -150,6 +150,7 @@ struct zathura_page_s
GtkWidget* event_box; /**> Widget wrapper for mouse events */
GtkWidget* drawing_area; /**> Drawing area */
GStaticMutex lock; /**> Lock */
cairo_surface_t* surface; /** Cairo surface */
};
/**

27
render.c
View file

@ -176,10 +176,7 @@ render(zathura_t* zathura, zathura_page_t* page)
}
/* draw to gtk widget */
cairo_t* cairo = gdk_cairo_create(page->drawing_area->window);
cairo_set_source_surface(cairo, surface, 0, 0);
cairo_paint(cairo);
cairo_destroy(cairo);
page->surface = surface;
zathura_image_buffer_free(image_buffer);
g_static_mutex_unlock(&(page->lock));
@ -209,22 +206,30 @@ gboolean
page_expose_event(GtkWidget* widget, GdkEventExpose* event, gpointer data)
{
zathura_page_t* page = data;
if (page == NULL) {
return FALSE;
}
g_static_mutex_lock(&(page->lock));
cairo_t* cairo = gdk_cairo_create(page->drawing_area->window);
if (cairo == NULL) {
girara_error("Could not create blank page");
girara_error("Could not retreive cairo object");
g_static_mutex_unlock(&(page->lock));
return false;
return FALSE;
}
cairo_set_source_rgb(cairo, 0, 0, 0);
cairo_rectangle(cairo, 0, 0, page->width, page->height);
cairo_fill(cairo);
cairo_destroy(cairo);
if (page->surface == NULL) {
cairo_set_source_surface(cairo, page->surface, 0, 0);
cairo_paint(cairo);
cairo_destroy(cairo);
cairo_surface_destroy(page->surface);
page->surface = NULL;
}
g_static_mutex_unlock(&(page->lock));
return true;
return TRUE;
}