From e93c14fac78242396ca46ec8885bf7a51820e753 Mon Sep 17 00:00:00 2001
From: Jeremy White <jwhite@winehq.org>
Date: Wed, 28 Jan 2009 08:52:56 -0600
Subject: [PATCH] sane.ds: Implement CAP_SUPPORTEDCAPS.

---
 dlls/sane.ds/capability.c | 35 ++++++++++++++++++++++++++++++++++-
 dlls/twain_32/tests/dsm.c |  3 ---
 2 files changed, 34 insertions(+), 4 deletions(-)

diff --git a/dlls/sane.ds/capability.c b/dlls/sane.ds/capability.c
index 615e4cb0b5..1c71b7d891 100644
--- a/dlls/sane.ds/capability.c
+++ b/dlls/sane.ds/capability.c
@@ -32,6 +32,7 @@
 WINE_DEFAULT_DEBUG_CHANNEL(twain);
 
 static TW_UINT16 SANE_ICAPXferMech (pTW_CAPABILITY pCapability, TW_UINT16 action);
+static TW_UINT16 TWAIN_GetSupportedCaps(pTW_CAPABILITY pCapability);
 
 TW_UINT16 SANE_SaneCapability (pTW_CAPABILITY pCapability, TW_UINT16 action)
 {
@@ -41,6 +42,13 @@ TW_UINT16 SANE_SaneCapability (pTW_CAPABILITY pCapability, TW_UINT16 action)
 
     switch (pCapability->Cap)
     {
+        case CAP_SUPPORTEDCAPS:
+            if (action == MSG_GET)
+                twCC = TWAIN_GetSupportedCaps(pCapability);
+            else
+                twCC = TWCC_BADVALUE;
+            break;
+
         case CAP_DEVICEEVENT:
         case CAP_ALARMS:
         case CAP_ALARMVOLUME:
@@ -65,7 +73,6 @@ TW_UINT16 SANE_SaneCapability (pTW_CAPABILITY pCapability, TW_UINT16 action)
         case ICAP_BARCODEMAXRETRIES:
         case ICAP_BARCODETIMEOUT:
         case CAP_EXTENDEDCAPS:
-        case CAP_SUPPORTEDCAPS:
         case ICAP_FILTER:
         case ICAP_GAMMA:
         case ICAP_PLANARCHUNKY:
@@ -176,6 +183,32 @@ TW_UINT16 SANE_SaneCapability (pTW_CAPABILITY pCapability, TW_UINT16 action)
     return twCC;
 }
 
+static TW_UINT16 TWAIN_GetSupportedCaps(pTW_CAPABILITY pCapability)
+{
+    TW_ARRAY *a;
+    static const UINT16 supported_caps[] = { CAP_SUPPORTEDCAPS, ICAP_XFERMECH };
+
+    pCapability->hContainer = GlobalAlloc (0, FIELD_OFFSET( TW_ARRAY, ItemList[sizeof(supported_caps)] ));
+    pCapability->ConType = TWON_ARRAY;
+
+    if (pCapability->hContainer)
+    {
+        UINT16 *u;
+        int i;
+        a = GlobalLock (pCapability->hContainer);
+        a->ItemType = TWTY_UINT16;
+        a->NumItems = sizeof(supported_caps) / sizeof(supported_caps[0]);
+        u = (UINT16 *) a->ItemList;
+        for (i = 0; i < a->NumItems; i++)
+            u[i] = supported_caps[i];
+        GlobalUnlock (pCapability->hContainer);
+        return TWCC_SUCCESS;
+    }
+    else
+        return TWCC_LOWMEMORY;
+}
+
+
 static TW_BOOL TWAIN_OneValueSet (pTW_CAPABILITY pCapability, TW_UINT32 value)
 {
     pCapability->hContainer = GlobalAlloc (0, sizeof(TW_ONEVALUE));
diff --git a/dlls/twain_32/tests/dsm.c b/dlls/twain_32/tests/dsm.c
index 0b365499ae..7ac37392f8 100644
--- a/dlls/twain_32/tests/dsm.c
+++ b/dlls/twain_32/tests/dsm.c
@@ -70,7 +70,6 @@ static void test_single_source(TW_IDENTITY *appid, TW_IDENTITY *source)
 
     rc = pDSM_Entry(appid, source, DG_CONTROL, DAT_CAPABILITY, MSG_GET, &cap);
     get_condition_code(appid, source, &status);
-    todo_wine
     ok(rc == TWRC_SUCCESS || status.ConditionCode == TWCC_SUCCESS,
             "Error obtaining CAP_SUPPORTEDCAPS\n");
 
@@ -98,7 +97,6 @@ static void test_single_source(TW_IDENTITY *appid, TW_IDENTITY *source)
     }
 
     /* For Twain 1.6, all sources must support: */
-    todo_wine
     ok(capabilities[CAP_SUPPORTEDCAPS], "CAP_SUPPORTEDCAPS not supported\n");
     todo_wine
     ok(capabilities[CAP_XFERCOUNT], "CAP_XFERCOUNT not supported\n");
@@ -134,7 +132,6 @@ static void test_single_source(TW_IDENTITY *appid, TW_IDENTITY *source)
         ok(capabilities[ICAP_PIXELTYPE], "ICAP_PIXELTYPE not supported\n");
         todo_wine
         ok(capabilities[ICAP_UNITS], "ICAP_UNITS not supported\n");
-        todo_wine
         ok(capabilities[ICAP_XFERMECH], "ICAP_XFERMECH not supported\n");
         todo_wine
         ok(capabilities[ICAP_XRESOLUTION], "ICAP_XRESOLUTION not supported\n");