X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ae3c17b4013e80b99976c750c19fca47729517f6..bf06fbce415a5b923de735aae3fe306619268594:/interface/wx/colour.h

diff --git a/interface/wx/colour.h b/interface/wx/colour.h
index 52bc2f28d1..82134dd1fb 100644
--- a/interface/wx/colour.h
+++ b/interface/wx/colour.h
@@ -6,9 +6,22 @@
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
+
+
+/**
+    Flags for wxColour -> wxString conversion (see wxColour::GetAsString).
+
+    @{
+*/
+#define wxC2S_NAME              1   //!< Return colour name, when possible.
+#define wxC2S_CSS_SYNTAX        2   //!< Return colour in "rgb(r,g,b)" syntax.
+#define wxC2S_HTML_SYNTAX       4   //!< Return colour in "#rrggbb" syntax.
+
+//@}
+
+
 /**
     @class wxColour
-    @wxheader{colour.h}
 
     A colour is an object representing a combination of Red, Green, and Blue
     (RGB) intensity values, and is used to determine drawing colours. See the
@@ -28,6 +41,7 @@
     - ::wxBLUE
     - ::wxCYAN
     - ::wxGREEN
+    - ::wxYELLOW
     - ::wxLIGHT_GREY
     - ::wxRED
     - ::wxWHITE
@@ -72,55 +86,91 @@ public:
         Returns the alpha value, on platforms where alpha is not yet supported, this
         always returns wxALPHA_OPAQUE.
     */
-    unsigned char Alpha() const;
+    virtual unsigned char Alpha() const;
 
     /**
         Returns the blue intensity.
     */
-    unsigned char Blue() const;
+    virtual unsigned char Blue() const;
 
     /**
         Converts this colour to a wxString using the given flags.
 
-        The supported flags are wxC2S_NAME, to obtain the colour name (e.g.
-        wxColour(255,0,0) == "red"), wxC2S_CSS_SYNTAX, to obtain the colour in
-        the "rgb(r,g,b)" or "rgba(r,g,b,a)" syntax (e.g.
-        wxColour(255,0,0,85) == "rgba(255,0,0,0.333)"), and wxC2S_HTML_SYNTAX,
-        to obtain the colour as "#" followed by 6 hexadecimal digits (e.g.
-        wxColour(255,0,0) == "#FF0000").
+        The supported flags are @c wxC2S_NAME, to obtain the colour name
+        (e.g. wxColour(255,0,0) == "red"), @c wxC2S_CSS_SYNTAX, to obtain
+        the colour in the "rgb(r,g,b)" or "rgba(r,g,b,a)" syntax
+        (e.g. wxColour(255,0,0,85) == "rgba(255,0,0,0.333)"), and
+        @c wxC2S_HTML_SYNTAX, to obtain the colour as "#" followed by 6
+        hexadecimal digits (e.g. wxColour(255,0,0) == "#FF0000").
 
         This function never fails and always returns a non-empty string but
         asserts if the colour has alpha channel (i.e. is non opaque) but
-        wxC2S_CSS_SYNTAX (which is the only one supporting alpha) is not
+        @c wxC2S_CSS_SYNTAX (which is the only one supporting alpha) is not
         specified in flags.
 
         @since 2.7.0
     */
-    wxString GetAsString(long flags);
+    virtual wxString GetAsString(long flags = wxC2S_NAME | wxC2S_CSS_SYNTAX) const;
 
+    //@{
     /**
-        Returns a pixel value which is platform-dependent. On Windows, a COLORREF is
-        returned.
+        Sets the RGB or RGBA colour values from a single 32 bit value.
+
+        The arguments @a colRGB and @a colRGBA should be of the form 0x00BBGGRR
+        and 0xAABBGGRR respectively where @c 0xRR, @c 0xGG, @c 0xBB and @c 0xAA
+        are the values of the red, blue, green and alpha components.
+
+        Notice the right-to-left order of components!
+
+        @see GetRGB(), GetRGBA()
+
+        @since 2.9.1
+    */
+    void SetRGB(wxUint32 colRGB);
+    void SetRGBA(wxUint32 colRGBA);
+    //@}
+
+    //@{
+    /**
+        Gets the RGB or RGBA colour values as a single 32 bit value.
+
+        The returned value is of the same form as expected by SetRGB() and
+        SetRGBA().
+
+        Notice that GetRGB() returns the value with 0 as its highest byte
+        independently of the value actually returned by Alpha(). So for a fully
+        opaque colour, the return value of GetRGBA() is @c 0xFFBBGGRR while
+        that of GetRGB() is @c 0x00BBGGRR.
+
+        @since 2.9.1
+    */
+    wxUint32 GetRGB() const;
+    wxUint32 GetRGBA() const;
+    //@}
+
+    /**
+        Returns a pixel value which is platform-dependent.
+        On Windows, a COLORREF is returned.
         On X, an allocated pixel value is returned.
-        -1 is returned if the pixel is invalid (on X, unallocated).
+        If the pixel is invalid (on X, unallocated), @c -1 is returned.
     */
-    long GetPixel() const;
+    int GetPixel() const;
 
     /**
         Returns the green intensity.
     */
-    unsigned char Green() const;
+    virtual unsigned char Green() const;
 
     /**
         Returns @true if the colour object is valid (the colour has been initialised
         with RGB values).
     */
-    bool IsOk() const;
+    virtual bool IsOk() const;
 
     /**
         Returns the red intensity.
     */
-    unsigned char Red() const;
+    virtual unsigned char Red() const;
 
     //@{
     /**
@@ -149,23 +199,68 @@ public:
         Tests the inequality of two colours by comparing individual red, green, blue
         colours and alpha values.
     */
-    bool operator !=(const wxColour& colour);
+    bool operator !=(const wxColour& colour) const;
 
-    //@{
     /**
         Assignment operator, using a colour name to be found in the colour database.
 
         @see wxColourDatabase
     */
-    wxColour operator =(const wxColour& colour);
-    wxColour operator =(const wxString& colourName);
-    //@}
+    wxColour& operator=(const wxColour& colour);
 
     /**
         Tests the equality of two colours by comparing individual red, green, blue
         colours and alpha values.
     */
-    bool operator ==(const wxColour& colour);
+    bool operator ==(const wxColour& colour) const;
+
+    /**
+        Assign 0 or 255 to rgb out parameters.
+        @since 2.9.0
+    */
+    static void MakeMono(unsigned char* r, unsigned char* g, unsigned char* b, bool on);
+    
+    /**
+        Create a disabled (dimmed) colour from (in/out) rgb parameters.
+        @since 2.9.0
+    */
+    static void MakeDisabled(unsigned char* r, unsigned char* g, unsigned char* b, unsigned char brightness = 255);
+    
+    /**
+        Create a grey colour from (in/out) rgb parameters using integer arithmetic.
+        @since 2.9.0
+    */
+    static void MakeGrey(unsigned char* r, unsigned char* g, unsigned char* b);
+    
+    /**
+        Create a grey colour from (in/out) rgb parameters using floating point arithmetic.
+        Defaults to using the standard ITU-T BT.601 when converting to YUV, where every pixel equals
+        (R * @a weight_r) + (G * @a weight_g) + (B * @a weight_b).
+        @since 2.9.0
+    */
+    static void MakeGrey(unsigned char* r, unsigned char* g, unsigned char* b,
+                         double weight_r, double weight_g, double weight_b);
+
+    /**
+        Blend colour, taking alpha into account.
+        @since 2.9.0
+    */
+    static unsigned char AlphaBlend(unsigned char fg, unsigned char bg, double alpha);
+    
+    /**
+        ChangeLightness() is a utility function that simply darkens
+        or lightens a color, based on the specified percentage
+        ialpha of 0 would be completely black, 200 completely white
+        an ialpha of 100 returns the same colour
+        @since 2.9.0
+    */
+    static void ChangeLightness(unsigned char* r, unsigned char* g, unsigned char* b, int ialpha);
+
+    /**
+        wxColour wrapper for ChangeLightness(r,g,b,ialpha).
+        @since 2.9.0
+    */
+    wxColour ChangeLightness(int ialpha) const;
 };
 
 
@@ -176,6 +271,7 @@ wxColour* wxBLACK;
 wxColour* wxBLUE;
 wxColour* wxCYAN;
 wxColour* wxGREEN;
+wxColour* wxYELLOW;
 wxColour* wxLIGHT_GREY;
 wxColour* wxRED;
 wxColour* wxWHITE;
@@ -187,7 +283,7 @@ wxColour* wxWHITE;
 // Global functions/macros
 // ============================================================================
 
-/** @ingroup group_funcmacro_misc */
+/** @addtogroup group_funcmacro_misc */
 //@{
 
 /**