start of new render code

1 files changed, 64 insertions, 0 deletions

diff --git a/otk/truerendercontrol.cc b/otk/truerendercontrol.cc
new file mode 100644
index 00000000..a99b1997
--- /dev/null
+++ b/otk/truerendercontrol.cc
@@ -0,0 +1,64 @@
+// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
+
+#ifdef    HAVE_CONFIG_H
+#  include "../config.h"
+#endif // HAVE_CONFIG_H
+
+#include "truerendercontrol.hh"
+#include "display.hh"
+#include "screeninfo.hh"
+
+extern "C" {
+#ifdef    HAVE_STDLIB_H
+#  include <stdlib.h>
+#endif // HAVE_STDLIB_H
+
+#include "gettext.h"
+#define _(str) gettext(str)
+}
+
+namespace otk {
+
+TrueRenderControl::TrueRenderControl(const ScreenInfo *screen)
+  : RenderControl(screen)
+{
+  printf("Initializing TrueColor RenderControl\n");
+
+  unsigned long red_mask, green_mask, blue_mask;
+
+  // find the offsets for each color in the visual's masks
+  red_mask = screen->visual()->red_mask;
+  green_mask = screen->visual()->green_mask;
+  blue_mask = screen->visual()->blue_mask;
+
+  while (! (red_mask & 1)) { _red_offset++; red_mask >>= 1; }
+  while (! (green_mask & 1)) { _green_offset++; green_mask >>= 1; }
+  while (! (blue_mask & 1)) { _blue_offset++; blue_mask >>= 1; }
+
+  // use the mask to determine the number of bits for each shade of color
+  // so, best case, red_mask == 0xff (255), with each bit as a different
+  // shade!
+  _red_bits = 255 / red_mask;
+  _green_bits = 255 / green_mask;
+  _blue_bits = 255 / blue_mask;
+
+  // compute color tables, based on the number of bits for each shade
+  for (int i = 0; i < 256; i++) {
+    _red_color_table[i] = i / _red_bits;
+    _green_color_table[i] = i / _green_bits;
+    _blue_color_table[i] = i / _blue_bits;
+  }
+}
+
+TrueRenderControl::~TrueRenderControl()
+{
+  printf("Destroying TrueColor RenderControl\n");
+
+
+}
+
+void TrueRenderControl::render(::Drawable d)
+{
+}
+
+}