1 files changed, 135 insertions, 0 deletions
diff --git a/src/surface/linux.c b/src/surface/linux.c
new file mode 100644
index 0000000..3394f85
--- /dev/null
+++ b/src/surface/linux.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2009 Vincent Sanders <vince@simtec.co.uk>
+ *
+ * This file is part of libnsfb, http://www.netsurf-browser.org/
+ * Licenced under the MIT License,
+ *                http://www.opensource.org/licenses/mit-license.php
+ */
+
+#include <stdbool.h>
+#include <stdio.h>
+
+#include "libnsfb.h"
+#include "libnsfb_event.h"
+#include "libnsfb_plot.h"
+#include "libnsfb_plot_util.h"
+
+#include "nsfb.h"
+#include "plot.h"
+#include "frontend.h"
+#include "cursor.h"
+
+
+#define UNUSED(x) ((x) = (x))
+
+static int linux_set_geometry(nsfb_t *nsfb, int width, int height, int bpp)
+{
+    if (nsfb->frontend_priv != NULL)
+        return -1; /* if we are already initialised fail */
+
+    nsfb->width = width;
+    nsfb->height = height;
+    nsfb->bpp = bpp;
+
+    /* select default sw plotters for bpp */
+    select_plotters(nsfb);
+
+    return 0;
+}
+
+static int linux_initialise(nsfb_t *nsfb)
+{
+    if (nsfb->frontend_priv != NULL)
+        return -1;
+
+    /* sanity checked depth. */
+    if ((nsfb->bpp != 32) && (nsfb->bpp != 16) && (nsfb->bpp != 8))
+        return -1;
+
+
+    return 0;
+}
+
+static int linux_finalise(nsfb_t *nsfb)
+{
+    UNUSED(nsfb);
+    return 0;
+}
+
+static bool linux_input(nsfb_t *nsfb, nsfb_event_t *event, int timeout)
+{
+    UNUSED(nsfb);
+    UNUSED(event);
+    UNUSED(timeout);
+    return false;
+}
+
+static int linux_claim(nsfb_t *nsfb, nsfb_bbox_t *box)
+{
+    struct nsfb_cursor_s *cursor = nsfb->cursor;
+
+    if ((cursor != NULL) && 
+        (cursor->plotted == true) && 
+        (nsfb_plot_bbox_intersect(box, &cursor->loc))) {
+
+        nsfb->plotter_fns->bitmap(nsfb, 
+                                  &cursor->savloc,  
+                                  cursor->sav, 
+                                  cursor->sav_width, 
+                                  cursor->sav_height, 
+                                  cursor->sav_width, 
+                                  false);
+        cursor->plotted = false;
+    }
+    return 0;
+}
+
+static int linux_cursor(nsfb_t *nsfb, struct nsfb_cursor_s *cursor)
+{
+    nsfb_bbox_t sclip;
+
+    if ((cursor != NULL) && (cursor->plotted == true)) {
+        sclip = nsfb->clip;
+
+        nsfb->plotter_fns->set_clip(nsfb, NULL);
+
+        nsfb->plotter_fns->bitmap(nsfb, 
+                                  &cursor->savloc,  
+                                  cursor->sav, 
+                                  cursor->sav_width, 
+                                  cursor->sav_height, 
+                                  cursor->sav_width, 
+                                  false);
+
+        nsfb_cursor_plot(nsfb, cursor);
+
+        nsfb->clip = sclip;
+    }
+    return true;
+}
+
+
+static int linux_update(nsfb_t *nsfb, nsfb_bbox_t *box)
+{
+    struct nsfb_cursor_s *cursor = nsfb->cursor;
+
+    UNUSED(box);
+
+    if ((cursor != NULL) && (cursor->plotted == false)) {
+        nsfb_cursor_plot(nsfb, cursor);
+    }
+
+    return 0;
+}
+
+const nsfb_frontend_rtns_t linux_rtns = {
+    .initialise = linux_initialise,
+    .finalise = linux_finalise,
+    .input = linux_input,
+    .claim = linux_claim,
+    .update = linux_update,
+    .cursor = linux_cursor,
+    .geometry = linux_set_geometry,
+};
+
+NSFB_FRONTEND_DEF(linux, NSFB_FRONTEND_LINUX, &linux_rtns)