X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e90c1d2a19361551eb07778280f22be3e759cf64..236a9de39afa090fdee3cf91cb5364ceca69e3f8:/src/gtk/bitmap.cpp?ds=sidebyside

diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp
index 707e07e951..38d20c606c 100644
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -15,10 +15,16 @@
 #include "wx/icon.h"
 #include "wx/filefn.h"
 #include "wx/image.h"
+#include "wx/dcmemory.h"
 
-#include "gdk/gdk.h"
-#include "gdk/gdkprivate.h"
-#include "gdk/gdkx.h"
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern GtkWidget *wxRootWindow;
 
 //-----------------------------------------------------------------------------
 // wxMask
@@ -33,26 +39,30 @@ wxMask::wxMask()
 
 wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
 {
+    m_bitmap = (GdkBitmap *) NULL;
     Create( bitmap, colour );
 }
 
 wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
 {
+    m_bitmap = (GdkBitmap *) NULL;
     Create( bitmap, paletteIndex );
 }
 
 wxMask::wxMask( const wxBitmap& bitmap )
 {
+    m_bitmap = (GdkBitmap *) NULL;
     Create( bitmap );
 }
 
 wxMask::~wxMask()
 {
-    if (m_bitmap) gdk_bitmap_unref( m_bitmap );
+    if (m_bitmap)
+        gdk_bitmap_unref( m_bitmap );
 }
 
-bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),
-                     const wxColour& WXUNUSED(colour) )
+bool wxMask::Create( const wxBitmap& bitmap,
+                     const wxColour& colour )
 {
     if (m_bitmap)
     {
@@ -60,9 +70,82 @@ bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),
         m_bitmap = (GdkBitmap*) NULL;
     }
 
-    wxFAIL_MSG( T("TODO") );
+    wxImage image( bitmap );
+    if (!image.Ok()) return FALSE;
 
-    return FALSE;
+    m_bitmap = gdk_pixmap_new( wxRootWindow->window, image.GetWidth(), image.GetHeight(), 1 );
+    GdkGC *gc = gdk_gc_new( m_bitmap );
+
+    GdkColor color;
+    color.red = 65000;
+    color.green = 65000;
+    color.blue = 65000;
+    color.pixel = 1;
+    gdk_gc_set_foreground( gc, &color );
+    gdk_gc_set_fill( gc, GDK_SOLID );
+    gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() );
+
+    unsigned char *data = image.GetData();
+    int index = 0;
+
+    unsigned char red = colour.Red();
+    unsigned char green = colour.Green();
+    unsigned char blue = colour.Blue();
+
+    GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+    wxASSERT( visual );
+    
+    int bpp = visual->depth;
+    if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
+    if (bpp == 15)
+    {
+        red = red & 0xf8;
+        blue = blue & 0xf8;
+        green = green & 0xf8;
+    }
+    if (bpp == 16)
+    {
+        red = red & 0xf8;
+        blue = blue & 0xfc;
+        green = green & 0xf8;
+    }
+
+    color.red = 0;
+    color.green = 0;
+    color.blue = 0;
+    color.pixel = 0;
+    gdk_gc_set_foreground( gc, &color );
+
+    for (int j = 0; j < image.GetHeight(); j++)
+    {
+        int start_x = -1;
+        int i;
+        for (i = 0; i < image.GetWidth(); i++)
+        {
+            if ((data[index] == red) &&
+                (data[index+1] == green) &&
+                (data[index+2] == blue))
+            {
+                if (start_x == -1)
+                start_x = i;
+            }
+            else
+            {
+                if (start_x != -1)
+                {
+                    gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j );
+                    start_x = -1;
+                }
+            }
+            index += 3;
+        }
+        if (start_x != -1)
+            gdk_draw_line( m_bitmap, gc, start_x, j, i, j );
+    }
+
+    gdk_gc_unref( gc );
+
+    return TRUE;
 }
 
 bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),
@@ -74,7 +157,7 @@ bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),
         m_bitmap = (GdkBitmap*) NULL;
     }
 
-    wxFAIL_MSG( T("not implemented") );
+    wxFAIL_MSG( wxT("not implemented") );
 
     return FALSE;
 }
@@ -89,9 +172,9 @@ bool wxMask::Create( const wxBitmap& bitmap )
 
     if (!bitmap.Ok()) return FALSE;
 
-    wxCHECK_MSG( bitmap.GetBitmap(), FALSE, T("Cannot create mask from colour bitmap") );
+    wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );
 
-    m_bitmap = gdk_pixmap_new( (GdkWindow*) &gdk_root_parent, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
+    m_bitmap = gdk_pixmap_new( wxRootWindow->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
 
     if (!m_bitmap) return FALSE;
 
@@ -116,16 +199,16 @@ GdkBitmap *wxMask::GetBitmap() const
 class wxBitmapRefData: public wxObjectRefData
 {
 public:
-  wxBitmapRefData();
-  ~wxBitmapRefData();
-
-  GdkPixmap      *m_pixmap;
-  GdkBitmap      *m_bitmap;
-  wxMask         *m_mask;
-  int             m_width;
-  int             m_height;
-  int             m_bpp;
-  wxPalette      *m_palette;
+    wxBitmapRefData();
+    ~wxBitmapRefData();
+
+    GdkPixmap      *m_pixmap;
+    GdkBitmap      *m_bitmap;
+    wxMask         *m_mask;
+    int             m_width;
+    int             m_height;
+    int             m_bpp;
+    wxPalette      *m_palette;
 };
 
 wxBitmapRefData::wxBitmapRefData()
@@ -160,13 +243,24 @@ wxBitmap::wxBitmap()
 
 wxBitmap::wxBitmap( int width, int height, int depth )
 {
-    wxCHECK_RET( (width > 0) && (height > 0), T("invalid bitmap size") )
+    Create( width, height, depth );
 
-    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
-    if (depth == -1) depth = gdk_window_get_visual( parent )->depth;
+    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+}
 
-    wxCHECK_RET( (depth ==  gdk_window_get_visual( parent )->depth) ||
-                 (depth == 1), T("invalid bitmap depth") )
+bool wxBitmap::Create( int width, int height, int depth )
+{
+    UnRef();
+
+    wxCHECK_MSG( (width > 0) && (height > 0), FALSE, wxT("invalid bitmap size") )
+
+    GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+    wxASSERT( visual );
+
+    if (depth == -1) depth = visual->depth;
+
+    wxCHECK_MSG( (depth == visual->depth) ||
+                 (depth == 1), FALSE, wxT("invalid bitmap depth") )
 
     m_refData = new wxBitmapRefData();
     M_BMPDATA->m_mask = (wxMask *) NULL;
@@ -174,53 +268,31 @@ wxBitmap::wxBitmap( int width, int height, int depth )
     M_BMPDATA->m_height = height;
     if (depth == 1)
     {
-        M_BMPDATA->m_bitmap = gdk_pixmap_new( parent, width, height, 1 );
+        M_BMPDATA->m_bitmap = gdk_pixmap_new( wxRootWindow->window, width, height, 1 );
         M_BMPDATA->m_bpp = 1;
     }
     else
     {
-        M_BMPDATA->m_pixmap = gdk_pixmap_new( parent, width, height, depth );
-        M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
-    }
-
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-}
-
-wxBitmap::wxBitmap( const char **bits )
-{
-    wxCHECK_RET( bits != NULL, T("invalid bitmap data") )
-
-    m_refData = new wxBitmapRefData();
-
-    GdkBitmap *mask = (GdkBitmap*) NULL;
-    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
-
-    M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
-
-    if (mask)
-    {
-        M_BMPDATA->m_mask = new wxMask();
-        M_BMPDATA->m_mask->m_bitmap = mask;
+        M_BMPDATA->m_pixmap = gdk_pixmap_new( wxRootWindow->window, width, height, depth );
+        M_BMPDATA->m_bpp = visual->depth;
     }
 
-    gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
-
-    M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;  // ?
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+    return Ok();
 }
-
-wxBitmap::wxBitmap( char **bits )
+bool wxBitmap::CreateFromXpm( const char **bits )
 {
-    wxCHECK_RET( bits != NULL, T("invalid bitmap data") )
+    wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
 
+    GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+    wxASSERT( visual );
+    
     m_refData = new wxBitmapRefData();
 
     GdkBitmap *mask = (GdkBitmap*) NULL;
-    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
 
-    M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
+    M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxRootWindow->window, &mask, NULL, (gchar **) bits );
 
-    wxCHECK_RET( M_BMPDATA->m_pixmap, T("couldn't create pixmap") );
+    wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );
 
     if (mask)
     {
@@ -230,8 +302,11 @@ wxBitmap::wxBitmap( char **bits )
 
     gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 
-    M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;  // ?
+    M_BMPDATA->m_bpp = visual->depth;  // ?
+    
     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+
+    return TRUE;
 }
 
 wxBitmap::wxBitmap( const wxBitmap& bmp )
@@ -254,12 +329,12 @@ wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth
 
     M_BMPDATA->m_mask = (wxMask *) NULL;
     M_BMPDATA->m_bitmap =
-      gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
+      gdk_bitmap_create_from_data( wxRootWindow->window, (gchar *) bits, width, height );
     M_BMPDATA->m_width = width;
     M_BMPDATA->m_height = height;
     M_BMPDATA->m_bpp = 1;
 
-    wxCHECK_RET( M_BMPDATA->m_bitmap, T("couldn't create bitmap") );
+    wxCHECK_RET( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
 
     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 }
@@ -293,46 +368,84 @@ bool wxBitmap::Ok() const
 
 int wxBitmap::GetHeight() const
 {
-    wxCHECK_MSG( Ok(), -1, T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_height;
 }
 
 int wxBitmap::GetWidth() const
 {
-    wxCHECK_MSG( Ok(), -1, T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_width;
 }
 
 int wxBitmap::GetDepth() const
 {
-    wxCHECK_MSG( Ok(), -1, T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_bpp;
 }
 
 wxMask *wxBitmap::GetMask() const
 {
-    wxCHECK_MSG( Ok(), (wxMask *) NULL, T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_mask;
 }
 
 void wxBitmap::SetMask( wxMask *mask )
 {
-    wxCHECK_RET( Ok(), T("invalid bitmap") );
+    wxCHECK_RET( Ok(), wxT("invalid bitmap") );
 
     if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
 
     M_BMPDATA->m_mask = mask;
 }
 
+wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
+{
+    wxCHECK_MSG( Ok() &&
+                 (rect.x >= 0) && (rect.y >= 0) &&
+                 (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
+                 wxNullBitmap, wxT("invalid bitmap or bitmap region") );
+
+    wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
+    wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
+
+    if (ret.GetPixmap())
+    {
+        GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
+        gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
+        gdk_gc_destroy( gc );
+    }
+    else
+    {
+        GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
+        gdk_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
+        gdk_gc_destroy( gc );
+    }
+
+    if (GetMask())
+    {
+        wxMask *mask = new wxMask;
+        mask->m_bitmap = gdk_pixmap_new( wxRootWindow->window, rect.width, rect.height, 1 );
+
+        GdkGC *gc = gdk_gc_new( mask->m_bitmap );
+        gdk_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, 0, 0, rect.x, rect.y, rect.width, rect.height );
+        gdk_gc_destroy( gc );
+
+        ret.SetMask( mask );
+    }
+
+    return ret;
+}
+
 bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
 {
-    wxCHECK_MSG( Ok(), FALSE, T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
 
-    if (type == wxBITMAP_TYPE_PNG)
+    // Try to save the bitmap via wxImage handlers:
     {
         wxImage image( *this );
         if (image.Ok()) return image.SaveFile( name, type );
@@ -347,14 +460,16 @@ bool wxBitmap::LoadFile( const wxString &name, int type )
 
     if (!wxFileExists(name)) return FALSE;
 
+    GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+    wxASSERT( visual );
+    
     if (type == wxBITMAP_TYPE_XPM)
     {
         m_refData = new wxBitmapRefData();
 
         GdkBitmap *mask = (GdkBitmap*) NULL;
-        GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
 
-        M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( parent, &mask, NULL, name.fn_str() );
+        M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( wxRootWindow->window, &mask, NULL, name.fn_str() );
 
         if (mask)
         {
@@ -363,22 +478,16 @@ bool wxBitmap::LoadFile( const wxString &name, int type )
         }
 
         gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
-        M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
+        
+        M_BMPDATA->m_bpp = visual->depth;
     }
-    else if (type == wxBITMAP_TYPE_PNG)
+    else // try if wxImage can load it
     {
         wxImage image;
-        image.LoadFile( name, type );
+        if (!image.LoadFile( name, type )) return FALSE;
         if (image.Ok()) *this = image.ConvertToBitmap();
+        else return FALSE;
     }
-    else if (type == wxBITMAP_TYPE_BMP)
-    {
-        wxImage image;
-        image.LoadFile( name, type );
-        if (image.Ok()) *this = image.ConvertToBitmap();
-    }
-    else
-        return FALSE;
 
     return TRUE;
 }
@@ -418,16 +527,23 @@ void wxBitmap::SetPixmap( GdkPixmap *pixmap )
     M_BMPDATA->m_pixmap = pixmap;
 }
 
+void wxBitmap::SetBitmap( GdkPixmap *bitmap )
+{
+    if (!m_refData) m_refData = new wxBitmapRefData();
+
+    M_BMPDATA->m_bitmap = bitmap;
+}
+
 GdkPixmap *wxBitmap::GetPixmap() const
 {
-    wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_pixmap;
 }
 
 GdkBitmap *wxBitmap::GetBitmap() const
 {
-    wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_bitmap;
 }