[vlc-devel] [PATCH 2/3] win32: added helper function HtmlColor2RGB

[Sergey Radionov]

---
 common/win32_fullscreen.cpp |   59 +++++++++++++++++++++++++++++++++++++++++++
 common/win32_fullscreen.h   |    8 ++++++
 2 files changed, 67 insertions(+), 0 deletions(-)

diff --git a/common/win32_fullscreen.cpp b/common/win32_fullscreen.cpp
index 0943849..0b677cb 100644
--- a/common/win32_fullscreen.cpp
+++ b/common/win32_fullscreen.cpp
@@ -31,6 +31,65 @@
 #include "win32_fullscreen.h"
 
 ////////////////////////////////////////////////////////////////////////////////
+//helper functions
+////////////////////////////////////////////////////////////////////////////////
+inline bool IsHexChar(std::string::value_type ch)
+{
+    if( (ch >= '0' && ch <= '9') ||
+        (ch >= 'a' && ch <= 'f') ||
+        (ch >= 'A' && ch <= 'F') )
+    {
+        return true;
+    }
+    return false;
+}
+
+inline BYTE HexToBYTE(std::string::value_type ch1, std::string::value_type ch2)
+{
+    BYTE r = 0;
+
+    if ( (ch1 >= '0' && ch1 <= '9')) {
+        r = (ch1-'0');
+    }
+    else if ( (ch1 >= 'a' && ch1 <= 'f') ) {
+        r = (ch1 - 'a' + 10);
+    }
+    else if ( (ch1 >= 'A' && ch1 <= 'F') ) {
+        r = (ch1 - 'A' + 10);
+    }
+    r <<= 4;
+
+    if ( (ch2 >= '0' && ch2 <= '9') ) {
+        r |= ch2-'0';
+    }
+    else if ( (ch2 >= 'a' && ch2 <= 'f') ) {
+        r |= ch2 - 'a' + 10;
+    }
+    else if ( (ch2 >= 'A' && ch2 <= 'F') ) {
+        r |= ch2 - 'A' + 10;
+    }
+
+    return r;
+}
+
+COLORREF HtmlColor2RGB( const std::string& HtmlColor,
+                        COLORREF DefColor )
+{
+    /*#rrggbb*/
+    if(HtmlColor.size() != 7 || HtmlColor[0] != '#')
+        return DefColor;
+
+    for(int p = 1; p<7; ++p) {
+        if( !IsHexChar( HtmlColor[p] ) )
+            return DefColor;
+    }
+
+    return RGB( HexToBYTE(HtmlColor[1], HtmlColor[2]),
+                HexToBYTE(HtmlColor[3], HtmlColor[4]),
+                HexToBYTE(HtmlColor[5], HtmlColor[6]) );
+}
+
+////////////////////////////////////////////////////////////////////////////////
 //VLCControlsWnd members
 ////////////////////////////////////////////////////////////////////////////////
 VLCControlsWnd*
diff --git a/common/win32_fullscreen.h b/common/win32_fullscreen.h
index 0024d1a..b0fd1e6 100644
--- a/common/win32_fullscreen.h
+++ b/common/win32_fullscreen.h
@@ -30,7 +30,15 @@
 
 #include "win32_vlcwnd.h"
 #include "vlc_player_options.h"
+////////////////////////////////////////////////////////////////////////////////
+//helper functions
+////////////////////////////////////////////////////////////////////////////////
+COLORREF HtmlColor2RGB( const std::string& HtmlColor,
+                        COLORREF DefColor = RGB(0, 0, 0) );
 
+////////////////////////////////////////////////////////////////////////////////
+//class VLCViewResources
+////////////////////////////////////////////////////////////////////////////////
 struct VLCViewResources
 {
     VLCViewResources()
-- 
1.7.7.1.msysgit.0