From 959a7a202da2ba8a077e6c19b7237bbaed5d7421 Mon Sep 17 00:00:00 2001
From: Michael Jumper <mike.jumper@guac-dev.org>
Date: Fri, 23 Jan 2015 15:08:00 -0800
Subject: [PATCH] GUAC-994: Add support for interleaved_decompress() and
 planar_decompress() variants in FreeRDP 1.2.0-beta1+android9. Use working
 color conversion function (old one is present but will not work in 1.2.0).

---
 configure.ac                   | 43 +++++++++++++++++++++++++++++++++-
 src/protocols/rdp/rdp_bitmap.c | 22 +++++++++++++----
 src/protocols/rdp/rdp_color.c  |  8 +++++++
 3 files changed, 67 insertions(+), 6 deletions(-)

diff --git a/configure.ac b/configure.ac
index 289b0688..ff69e303 100644
--- a/configure.ac
+++ b/configure.ac
@@ -429,7 +429,12 @@ if test "x${have_freerdp}" = "xyes"
 then
     AC_CHECK_DECL([freerdp_convert_gdi_order_color],
         [AC_DEFINE([HAVE_FREERDP_CONVERT_GDI_ORDER_COLOR],,
-                   [Whether freerdp_convert_gdi_order_color() id defined])],,
+                   [Whether freerdp_convert_gdi_order_color() is defined])],,
+        [#include <freerdp/codec/color.h>])
+
+    AC_CHECK_DECL([freerdp_color_convert_drawing_order_color_to_gdi_color],
+        [AC_DEFINE([HAVE_FREERDP_COLOR_CONVERT_DRAWING_ORDER_COLOR_TO_GDI_COLOR],,
+                   [Whether freerdp_color_convert_drawing_order_color_to_gdi_color() is defined])],,
         [#include <freerdp/codec/color.h>])
 fi
 
@@ -684,6 +689,42 @@ then
                                  [Whether the legacy rdpBitmap API was found])])
 fi
 
+#
+# FreeRDP: Decompression function variants
+#
+
+# Check whether interleaved_decompress() can handle the palette
+if test "x${have_freerdp}" = "xyes"
+then
+    AC_MSG_CHECKING([whether interleaved_decompress() accepts an additional palette parameter])
+    AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <freerdp/codec/interleaved.h>
+
+                                        int main() {
+                                            BYTE* palette = NULL;
+                                            interleaved_decompress(NULL, NULL, 0, 0, NULL, 0, 0, 0, 0, 0, 0, palette);
+                                        }]])],
+                      [AC_MSG_RESULT([yes])
+                       AC_DEFINE([INTERLEAVED_DECOMPRESS_TAKES_PALETTE],,
+                                 [Whether interleaved_decompress() accepts an additional palette parameter])],
+                      [AC_MSG_RESULT([no])])
+fi
+
+# Check whether planar_decompress() will handle flipping
+if test "x${have_freerdp}" = "xyes"
+then
+    AC_MSG_CHECKING([whether planar_decompress() can flip])
+    AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <freerdp/codec/planar.h>
+
+                                        int main() {
+                                            BOOL* flip = TRUE;
+                                            planar_decompress(NULL, NULL, 0, NULL, 0, 0, 0, 0, 0, 0, flip);
+                                        }]])],
+                      [AC_MSG_RESULT([yes])
+                       AC_DEFINE([PLANAR_DECOMPRESS_CAN_FLIP],,
+                                 [Whether planar_decompress() can flip])],
+                      [AC_MSG_RESULT([no])])
+fi
+
 #
 # FreeRDP: rdpContext
 #
diff --git a/src/protocols/rdp/rdp_bitmap.c b/src/protocols/rdp/rdp_bitmap.c
index 66e1d482..ee64c3f7 100644
--- a/src/protocols/rdp/rdp_bitmap.c
+++ b/src/protocols/rdp/rdp_bitmap.c
@@ -210,24 +210,36 @@ void guac_rdp_bitmap_decompress(rdpContext* context, rdpBitmap* bitmap, UINT8* d
 
 #ifdef HAVE_RDPCONTEXT_CODECS 
         rdpCodecs* codecs = context->codecs;
-        UINT32* palette = ((rdp_freerdp_context*) context)->palette;
 
         /* Decode as interleaved if less than 32 bits per pixel */
         if (bpp < 32) {
             freerdp_client_codecs_prepare(codecs, FREERDP_CODEC_INTERLEAVED);
+#ifdef INTERLEAVED_DECOMPRESS_TAKES_PALETTE
             interleaved_decompress(codecs->interleaved, data, length, bpp,
                 &(bitmap->data), PIXEL_FORMAT_XRGB32, -1, 0, 0, width, height,
-                (BYTE*) palette);
+                (BYTE*) ((rdp_freerdp_context*) context)->palette);
+            bitmap->bpp = 32;
+#else
+            interleaved_decompress(codecs->interleaved, data, length, bpp,
+                &(bitmap->data), PIXEL_FORMAT_XRGB32, -1, 0, 0, width, height);
+            bitmap->bpp = bpp;
+#endif
         }
 
         /* Otherwise, decode as planar */
         else {
             freerdp_client_codecs_prepare(codecs, FREERDP_CODEC_PLANAR);
+#ifdef PLANAR_DECOMPRESS_CAN_FLIP
             planar_decompress(codecs->planar, data, length,
-                &(bitmap->data), PIXEL_FORMAT_XRGB32, -1, 0, 0, width, height, TRUE);
+                &(bitmap->data), PIXEL_FORMAT_XRGB32, -1, 0, 0, width, height,
+                TRUE);
+            bitmap->bpp = 32;
+#else
+            planar_decompress(codecs->planar, data, length,
+                &(bitmap->data), PIXEL_FORMAT_XRGB32, -1, 0, 0, width, height);
+            bitmap->bpp = bpp;
+#endif
         }
-
-        bitmap->bpp = 32;
 #else
         bitmap_decompress(data, bitmap->data, width, height, length, bpp, bpp);
         bitmap->bpp = bpp;
diff --git a/src/protocols/rdp/rdp_color.c b/src/protocols/rdp/rdp_color.c
index 5344a4a9..9828d3b1 100644
--- a/src/protocols/rdp/rdp_color.c
+++ b/src/protocols/rdp/rdp_color.c
@@ -43,6 +43,14 @@ UINT32 guac_rdp_convert_color(rdpContext* context, UINT32 color) {
     return freerdp_convert_gdi_order_color(color,
             guac_rdp_get_depth(context->instance), PIXEL_FORMAT_ARGB32,
             (BYTE*) palette);
+
+#elif defined(HAVE_FREERDP_COLOR_CONVERT_DRAWING_ORDER_COLOR_TO_GDI_COLOR)
+    CLRCONV* clrconv = ((rdp_freerdp_context*) context)->clrconv;
+
+    /* Convert given color to ARGB32 */
+    return freerdp_color_convert_drawing_order_color_to_gdi_color(color,
+            guac_rdp_get_depth(context->instance), clrconv);
+
 #else
     CLRCONV* clrconv = ((rdp_freerdp_context*) context)->clrconv;