X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f3d7473941a193fe1aed18b86a432b1600d55750..a51e601e17bb23bd4e4df68358a4b2741be2ff60:/src/gtk/bitmap.cpp

diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp
index 88d5a0d6d8..9076d3c0ac 100644
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -228,7 +228,7 @@ wxBitmapRefData::~wxBitmapRefData()
 
 //-----------------------------------------------------------------------------
 
-#define M_BMPDATA wx_static_cast(wxBitmapRefData*, m_refData)
+#define M_BMPDATA static_cast<wxBitmapRefData*>(m_refData)
 
 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
 
@@ -258,7 +258,7 @@ wxBitmap::wxBitmap(const char* const* bits)
     wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data"));
 
     GdkBitmap* mask = NULL;
-    SetPixmap(gdk_pixmap_create_from_xpm_d(wxGetRootWindow()->window, &mask, NULL, wx_const_cast(char**, bits)));
+    SetPixmap(gdk_pixmap_create_from_xpm_d(wxGetRootWindow()->window, &mask, NULL, const_cast<char**>(bits)));
 
     if (M_BMPDATA->m_pixmap != NULL && mask != NULL)
     {
@@ -280,91 +280,35 @@ bool wxBitmap::Create( int width, int height, int depth )
         return false;
     }
 
+    const GdkVisual* visual = wxTheApp->GetGdkVisual();
+    
     if (depth == 32)
     {
         SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, width, height), 32);
+        // must initialize alpha, otherwise GetPixmap()
+        // will create a mask out of garbage
+        gdk_pixbuf_fill(M_BMPDATA->m_pixbuf, 0x000000ff);
+    } else
+    if (depth == 24)
+    {
+        if (visual->depth == depth)
+            SetPixmap(gdk_pixmap_new(wxGetRootWindow()->window, width, height, depth));
+        else
+            SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, false, 8, width, height), 24);
     }
     else
     {
         if (depth != 1)
         {
-            const GdkVisual* visual = wxTheApp->GetGdkVisual();
             if (depth == -1)
                 depth = visual->depth;
-
-            wxCHECK_MSG(depth == visual->depth, false, wxT("invalid bitmap depth"));
         }
-
         SetPixmap(gdk_pixmap_new(wxGetRootWindow()->window, width, height, depth));
     }
 
     return Ok();
 }
 
-wxBitmap wxBitmap::Rescale(int clipx, int clipy, int clipwidth, int clipheight,
-                           int width, int height) const
-{
-    wxBitmap bmp;
-
-    wxCHECK_MSG(Ok(), bmp, wxT("invalid bitmap"));
-
-    width = wxMax(width, 1);
-    height = wxMax(height, 1);
-
-    const double scale_x = double(width) / clipwidth;
-    const double scale_y = double(height) / clipheight;
-
-    // Converting to pixbuf, scaling with gdk_pixbuf_scale, and converting
-    // back, is faster than scaling pixmap ourselves.
-
-    // use pixbuf if already available,
-    // otherwise create temporary pixbuf from pixmap
-    GdkPixbuf* pixbuf = M_BMPDATA->m_pixbuf;
-    if (pixbuf)
-        g_object_ref(pixbuf);
-    else
-        pixbuf = gdk_pixbuf_get_from_drawable(
-            NULL, M_BMPDATA->m_pixmap, NULL,
-            0, 0, 0, 0, M_BMPDATA->m_width, M_BMPDATA->m_height);
-
-    // new pixbuf for scaled wxBitmap
-    GdkPixbuf* pixbuf_scaled = gdk_pixbuf_new(
-        GDK_COLORSPACE_RGB, gdk_pixbuf_get_has_alpha(pixbuf), 8, width, height);
-
-    // GDK_INTERP_NEAREST is the lowest-quality method for continuous-tone
-    // images, but the only one which preserves sharp edges
-    gdk_pixbuf_scale(
-        pixbuf, pixbuf_scaled,
-        0, 0, width, height, -clipx*scale_x, -clipy*scale_y, scale_x, scale_y,
-        GDK_INTERP_NEAREST);
-
-    g_object_unref(pixbuf);
-    bmp.SetPixbuf(pixbuf_scaled, M_BMPDATA->m_bpp);
-
-    if (M_BMPDATA->m_mask)
-    {
-        pixbuf = gdk_pixbuf_get_from_drawable(
-            NULL, M_BMPDATA->m_mask->m_bitmap, NULL,
-            0, 0, 0, 0, M_BMPDATA->m_width, M_BMPDATA->m_height);
-
-        pixbuf_scaled = gdk_pixbuf_new(
-            GDK_COLORSPACE_RGB, false, 8, width, height);
-
-        gdk_pixbuf_scale(
-            pixbuf, pixbuf_scaled,
-            0, 0, width, height, -clipx, -clipy, scale_x, scale_y,
-            GDK_INTERP_NEAREST);
-
-        g_object_unref(pixbuf);
-
-        // use existing functionality to create mask from scaled pixbuf
-        wxBitmap maskbmp;
-        maskbmp.SetPixbuf(pixbuf_scaled);
-        bmp.SetMask(new wxMask(maskbmp, *wxBLACK));
-    }
-    return bmp;
-}
-
 #if wxUSE_IMAGE
 
 bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
@@ -807,6 +751,7 @@ GdkPixbuf *wxBitmap::GetPixbuf() const
 
     if (M_BMPDATA->m_pixbuf == NULL)
     {
+     
         int width = GetWidth();
         int height = GetHeight();
 
@@ -816,7 +761,6 @@ GdkPixbuf *wxBitmap::GetPixbuf() const
         M_BMPDATA->m_pixbuf = pixbuf;
         gdk_pixbuf_get_from_drawable(pixbuf, M_BMPDATA->m_pixmap, NULL,
                                      0, 0, 0, 0, width, height);
-
         // apply the mask to created pixbuf:
         if (M_BMPDATA->m_pixbuf && M_BMPDATA->m_mask)
         {
@@ -896,6 +840,7 @@ void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
     void* bits = NULL;
     GdkPixbuf *pixbuf = GetPixbuf();
     const bool hasAlpha = HasAlpha();
+    
     // allow access if bpp is valid and matches existence of alpha
     if ( pixbuf && ((bpp == 24 && !hasAlpha) || (bpp == 32 && hasAlpha)) )
     {
@@ -924,7 +869,7 @@ wxGDIRefData* wxBitmap::CreateGDIRefData() const
 
 wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const
 {
-    const wxBitmapRefData* oldRef = wx_static_cast(const wxBitmapRefData*, data);
+    const wxBitmapRefData* oldRef = static_cast<const wxBitmapRefData*>(data);
     wxBitmapRefData* newRef = new wxBitmapRefData;
     newRef->m_width = oldRef->m_width;
     newRef->m_height = oldRef->m_height;