Initial commit

2020-09-20 12:16:44 +00:00
parent 09a4460ddb
commit 408c005d3e
839 changed files with 190481 additions and 0 deletions
--- a/common/rfb/PixelFormat.inl
+++ b/common/rfb/PixelFormat.inl
@@ -0,0 +1,135 @@
+/* Copyright 2009-2014 Pierre Ossman for Cendio AB
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+namespace rfb {
+
+
+inline Pixel PixelFormat::pixelFromBuffer(const rdr::U8* buffer) const
+{
+  Pixel p;
+
+  p = 0;
+
+  if (bigEndian) {
+    switch (bpp) {
+    case 32:
+      p |= ((Pixel)*(buffer++)) << 24;
+      p |= ((Pixel)*(buffer++)) << 16;
+    case 16:
+      p |= ((Pixel)*(buffer++)) << 8;
+    case 8:
+      p |= *buffer;
+    }
+  } else {
+    p |= buffer[0];
+    if (bpp >= 16) {
+      p |= ((Pixel)buffer[1]) << 8;
+      if (bpp == 32) {
+        p |= ((Pixel)buffer[2]) << 16;
+        p |= ((Pixel)buffer[3]) << 24;
+      }
+    }
+  }
+
+  return p;
+}
+
+
+inline void PixelFormat::bufferFromPixel(rdr::U8* buffer, Pixel p) const
+{
+  if (bigEndian) {
+    switch (bpp) {
+    case 32:
+      *(buffer++) = (p >> 24) & 0xff;
+      *(buffer++) = (p >> 16) & 0xff;
+    case 16:
+      *(buffer++) = (p >>  8) & 0xff;
+    case 8:
+      *(buffer++) = (p >>  0) & 0xff;
+    }
+  } else {
+    buffer[0] = (p >>  0) & 0xff;
+    if (bpp >= 16) {
+      buffer[1] = (p >>  8) & 0xff;
+      if (bpp == 32) {
+        buffer[2] = (p >> 16) & 0xff;
+        buffer[3] = (p >> 24) & 0xff;
+      }
+    }
+  }
+}
+
+
+inline Pixel PixelFormat::pixelFromRGB(rdr::U16 red, rdr::U16 green, rdr::U16 blue) const
+{
+  Pixel p;
+
+  p = (Pixel)downconvTable[(redBits-1)*256 + (red >> 8)] << redShift;
+  p |= (Pixel)downconvTable[(greenBits-1)*256 + (green >> 8)] << greenShift;
+  p |= (Pixel)downconvTable[(blueBits-1)*256 + (blue >> 8)] << blueShift;
+
+  return p;
+}
+
+
+inline Pixel PixelFormat::pixelFromRGB(rdr::U8 red, rdr::U8 green, rdr::U8 blue) const
+{
+  Pixel p;
+
+  p = (Pixel)downconvTable[(redBits-1)*256 + red] << redShift;
+  p |= (Pixel)downconvTable[(greenBits-1)*256 + green] << greenShift;
+  p |= (Pixel)downconvTable[(blueBits-1)*256 + blue] << blueShift;
+
+  return p;
+}
+
+
+inline void PixelFormat::rgbFromPixel(Pixel p, rdr::U16 *r, rdr::U16 *g, rdr::U16 *b) const
+{
+  rdr::U8 _r, _g, _b;
+
+  _r = p >> redShift;
+  _g = p >> greenShift;
+  _b = p >> blueShift;
+
+  _r = upconvTable[(redBits-1)*256 + _r];
+  _g = upconvTable[(greenBits-1)*256 + _g];
+  _b = upconvTable[(blueBits-1)*256 + _b];
+
+  *r = _r << 8 | _r;
+  *g = _g << 8 | _g;
+  *b = _b << 8 | _b;
+}
+
+
+inline void PixelFormat::rgbFromPixel(Pixel p, rdr::U8 *r, rdr::U8 *g, rdr::U8 *b) const
+{
+  rdr::U8 _r, _g, _b;
+
+  _r = p >> redShift;
+  _g = p >> greenShift;
+  _b = p >> blueShift;
+
+  *r = upconvTable[(redBits-1)*256 + _r];
+  *g = upconvTable[(greenBits-1)*256 + _g];
+  *b = upconvTable[(blueBits-1)*256 + _b];
+}
+
+
+}
+