// Name: bitmap.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "bitmap.h"
#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#include "wx/defs.h"
+
#include "wx/bitmap.h"
+#include "wx/palette.h"
#include "wx/icon.h"
-#include "gdk/gdkprivate.h"
+#include "wx/filefn.h"
+#include "wx/image.h"
+#include "wx/dcmemory.h"
+#include "wx/app.h"
+#include "wx/rawbmp.h"
-#ifdef USE_GDK_IMLIB
-#include "../gdk_imlib/gdk_imlib.h"
+#ifdef __WXGTK20__
+ // need this to get gdk_image_new_bitmap()
+ #define GDK_ENABLE_BROKEN
#endif
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
+#ifdef __WXGTK20__
+ #include <gdk/gdkimage.h>
+#else // GTK+ 1.2
+ #include <gdk/gdkrgb.h>
+#endif // GTK+ 2.0/1.2
+
+#include "wx/math.h"
+
+extern void gdk_wx_draw_bitmap (GdkDrawable *drawable,
+ GdkGC *gc,
+ GdkDrawable *src,
+ gint xsrc,
+ gint ysrc,
+ gint xdest,
+ gint ydest,
+ gint width,
+ gint height);
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern GtkWidget *wxGetRootWindow();
+
//-----------------------------------------------------------------------------
// wxMask
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
-wxMask::wxMask(void)
+wxMask::wxMask()
{
- m_bitmap = NULL;
+ m_bitmap = (GdkBitmap *) NULL;
}
-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) )
+wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
{
+ m_bitmap = (GdkBitmap *) NULL;
+ Create( bitmap, colour );
}
-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex) )
+wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
{
+ m_bitmap = (GdkBitmap *) NULL;
+ Create( bitmap, paletteIndex );
}
-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) )
+wxMask::wxMask( const wxBitmap& bitmap )
{
+ m_bitmap = (GdkBitmap *) NULL;
+ Create( bitmap );
}
-wxMask::~wxMask(void)
+wxMask::~wxMask()
{
-#ifdef USE_GDK_IMLIB
- // do not delete the mask, gdk_imlib does it for you
-#else
- if (m_bitmap) gdk_bitmap_unref( m_bitmap );
-#endif
+ if (m_bitmap)
+ gdk_bitmap_unref( m_bitmap );
+}
+
+bool wxMask::Create( const wxBitmap& bitmap,
+ const wxColour& colour )
+{
+ if (m_bitmap)
+ {
+ gdk_bitmap_unref( m_bitmap );
+ m_bitmap = (GdkBitmap*) NULL;
+ }
+
+ wxImage image = bitmap.ConvertToImage();
+ if (!image.Ok()) return FALSE;
+
+ m_bitmap = gdk_pixmap_new( wxGetRootWindow()->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 = wxTheApp->GetGdkVisual();
+
+ int bpp = visual->depth;
+ if ((bpp == 16) && (visual->red_mask != 0xf800))
+ bpp = 15;
+ if (bpp == 15)
+ {
+ red = red & 0xf8;
+ green = green & 0xf8;
+ blue = blue & 0xf8;
+ }
+ else if (bpp == 16)
+ {
+ red = red & 0xf8;
+ green = green & 0xfc;
+ blue = blue & 0xf8;
+ }
+ else if (bpp == 12)
+ {
+ red = red & 0xf0;
+ green = green & 0xf0;
+ blue = blue & 0xf0;
+ }
+
+ 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& bitmap, int paletteIndex )
+{
+ unsigned char r,g,b;
+ wxPalette *pal = bitmap.GetPalette();
+
+ wxCHECK_MSG( pal, FALSE, wxT("Cannot create mask from bitmap without palette") );
+
+ pal->GetRGB(paletteIndex, &r, &g, &b);
+
+ return Create(bitmap, wxColour(r, g, b));
+}
+
+bool wxMask::Create( const wxBitmap& bitmap )
+{
+ if (m_bitmap)
+ {
+ gdk_bitmap_unref( m_bitmap );
+ m_bitmap = (GdkBitmap*) NULL;
+ }
+
+ if (!bitmap.Ok()) return FALSE;
+
+ wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );
+
+ m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
+
+ if (!m_bitmap) return FALSE;
+
+ GdkGC *gc = gdk_gc_new( m_bitmap );
+
+ gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
+
+ gdk_gc_unref( gc );
+
+ return TRUE;
}
-GdkBitmap *wxMask::GetBitmap(void) const
+GdkBitmap *wxMask::GetBitmap() const
{
- return m_bitmap;
+ return m_bitmap;
}
-
+
//-----------------------------------------------------------------------------
// wxBitmap
//-----------------------------------------------------------------------------
-// CMB 20/5/98: added m_bitmap for GdkBitmaps
class wxBitmapRefData: public wxObjectRefData
{
- public:
-
- wxBitmapRefData(void);
- ~wxBitmapRefData(void);
-
+public:
+ wxBitmapRefData();
+ ~wxBitmapRefData();
+
GdkPixmap *m_pixmap;
GdkBitmap *m_bitmap;
+#ifdef __WXGTK20__
+ GdkPixbuf *m_pixbuf;
+#endif
wxMask *m_mask;
int m_width;
int m_height;
int m_bpp;
-#ifdef USE_GDK_IMLIB
- GdkImlibImage *m_image;
-#endif
wxPalette *m_palette;
};
-wxBitmapRefData::wxBitmapRefData(void)
-{
- m_pixmap = NULL;
- m_bitmap = NULL;
- m_mask = NULL;
- m_width = 0;
- m_height = 0;
- m_bpp = 0;
- m_palette = NULL;
-#ifdef USE_GDK_IMLIB
- m_image = NULL;
+wxBitmapRefData::wxBitmapRefData()
+{
+ m_pixmap = (GdkPixmap *) NULL;
+ m_bitmap = (GdkBitmap *) NULL;
+#ifdef __WXGTK20__
+ m_pixbuf = (GdkPixbuf *) NULL;
#endif
+ m_mask = (wxMask *) NULL;
+ m_width = 0;
+ m_height = 0;
+ m_bpp = 0;
+ m_palette = (wxPalette *) NULL;
}
-wxBitmapRefData::~wxBitmapRefData(void)
+wxBitmapRefData::~wxBitmapRefData()
{
-#ifdef USE_GDK_IMLIB
- if (m_pixmap) gdk_imlib_free_pixmap( m_pixmap );
- if (m_image) gdk_imlib_kill_image( m_image );
-#else
- if (m_pixmap) gdk_pixmap_unref( m_pixmap );
+ if (m_pixmap)
+ gdk_pixmap_unref( m_pixmap );
+ if (m_bitmap)
+ gdk_bitmap_unref( m_bitmap );
+#ifdef __WXGTK20__
+ if (m_pixbuf)
+ gdk_pixbuf_unref( m_pixbuf );
#endif
- if (m_bitmap) gdk_bitmap_unref( m_bitmap );
- if (m_mask) delete m_mask;
- if (m_palette) delete m_palette;
+ delete m_mask;
+ delete m_palette;
}
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
-wxBitmap::wxBitmap(void)
+wxBitmap::wxBitmap()
{
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}
-
+
wxBitmap::wxBitmap( int width, int height, int depth )
{
- m_refData = new wxBitmapRefData();
- M_BMPDATA->m_mask = NULL;
- M_BMPDATA->m_pixmap =
- gdk_pixmap_new( (GdkWindow*) &gdk_root_parent, width, height, depth );
- M_BMPDATA->m_width = width;
- M_BMPDATA->m_height = height;
- M_BMPDATA->m_bpp = depth;
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ Create( width, height, depth );
}
-wxBitmap::wxBitmap( char **bits )
+bool wxBitmap::Create( int width, int height, int depth )
{
- m_refData = new wxBitmapRefData();
+ UnRef();
+
+ if ( width <= 0 || height <= 0 )
+ {
+ return false;
+ }
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
+
+ if (depth == -1)
+ depth = visual->depth;
+
+ wxCHECK_MSG( (depth == visual->depth) || (depth == 1) || (depth == 32), FALSE,
+ wxT("invalid bitmap depth") )
+
+ m_refData = new wxBitmapRefData();
+ M_BMPDATA->m_mask = (wxMask *) NULL;
+ M_BMPDATA->m_width = width;
+ M_BMPDATA->m_height = height;
+ if (depth == 1)
+ {
+ M_BMPDATA->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
+ M_BMPDATA->m_bpp = 1;
+ }
+#ifdef __WXGTK20__
+ else if (depth == 32)
+ {
+ M_BMPDATA->m_pixbuf = gdk_pixbuf_new( GDK_COLORSPACE_RGB, true,
+ 8, width, height);
+ M_BMPDATA->m_bpp = 32;
+ }
+#endif
+ else
+ {
+ M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth );
+ M_BMPDATA->m_bpp = visual->depth;
+ }
+
+ return Ok();
+}
+
+bool wxBitmap::CreateFromXpm( const char **bits )
+{
+ UnRef();
+
+ wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
-#ifndef USE_GDK_IMLIB
+ m_refData = new wxBitmapRefData();
- GdkBitmap *mask = NULL;
-
- M_BMPDATA->m_pixmap =
- gdk_pixmap_create_from_xpm_d( (GdkWindow*) &gdk_root_parent, &mask, NULL, (gchar **) bits );
+ GdkBitmap *mask = (GdkBitmap*) NULL;
+
+ M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits );
+
+ wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );
+
+ if (mask)
+ {
+ M_BMPDATA->m_mask = new wxMask();
+ M_BMPDATA->m_mask->m_bitmap = mask;
+ }
+
+ gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
+
+ M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ?
+
+ return TRUE;
+}
+
+wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy )
+{
+ wxCHECK_MSG( Ok(), wxNullBitmap, wxT("invalid bitmap") );
+
+ if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height)
+ return *this;
- if (mask)
- {
- M_BMPDATA->m_mask = new wxMask();
- M_BMPDATA->m_mask->m_bitmap = mask;
- }
-
- gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
-
-#else
+ int width = wxMax(newx, 1);
+ int height = wxMax(newy, 1);
+ width = wxMin(width, clipwidth);
+ height = wxMin(height, clipheight);
+
+ wxBitmap bmp;
+
+#ifdef __WXGTK20__
+ if (HasPixbuf())
+ {
+ bmp.SetWidth(width);
+ bmp.SetHeight(height);
+ bmp.SetDepth(GetDepth());
+ bmp.SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+ gdk_pixbuf_get_has_alpha(GetPixbuf()),
+ 8, width, height));
+ gdk_pixbuf_scale(GetPixbuf(), bmp.GetPixbuf(),
+ 0, 0, width, height,
+ clipx, clipy,
+ (double)newx/GetWidth(), (double)newy/GetHeight(),
+ GDK_INTERP_BILINEAR);
+ }
+ else
+#endif // __WXGTK20__
+ {
+ GdkImage *img = (GdkImage*) NULL;
+ if (GetPixmap())
+ img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() );
+ else if (GetBitmap())
+ img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() );
+ else
+ wxFAIL_MSG( wxT("Ill-formed bitmap") );
+
+ wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") );
+
+ int bpp = -1;
+
+
+ GdkGC *gc = NULL;
+ GdkPixmap *dstpix = NULL;
+ if (GetPixmap())
+ {
+ GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
+ if (visual == NULL)
+ visual = wxTheApp->GetGdkVisual();
+
+ bpp = visual->depth;
+ bmp = wxBitmap(width,height,bpp);
+ dstpix = bmp.GetPixmap();
+ gc = gdk_gc_new( dstpix );
+ }
+
+ char *dst = NULL;
+ long dstbyteperline = 0;
+
+ if (GetBitmap())
+ {
+ bpp = 1;
+ dstbyteperline = width/8*M_BMPDATA->m_bpp;
+ if (width*M_BMPDATA->m_bpp % 8 != 0)
+ dstbyteperline++;
+ dst = (char*) malloc(dstbyteperline*height);
+ }
+
+ // be careful to use the right scaling factor
+ float scx = (float)M_BMPDATA->m_width/(float)newx;
+ float scy = (float)M_BMPDATA->m_height/(float)newy;
+ // prepare accel-tables
+ int *tablex = (int *)calloc(width,sizeof(int));
+ int *tabley = (int *)calloc(height,sizeof(int));
+
+ // accel table filled with clipped values
+ for (int x = 0; x < width; x++)
+ tablex[x] = (int) (scx * (x+clipx));
+ for (int y = 0; y < height; y++)
+ tabley[y] = (int) (scy * (y+clipy));
- M_BMPDATA->m_image = gdk_imlib_create_image_from_xpm_data( bits );
- Render();
-
+ // Main rescaling routine starts here
+ for (int h = 0; h < height; h++)
+ {
+ char outbyte = 0;
+ int old_x = -1;
+ guint32 old_pixval = 0;
+
+ for (int w = 0; w < width; w++)
+ {
+ guint32 pixval;
+ int x = tablex[w];
+ if (x == old_x)
+ pixval = old_pixval;
+ else
+ {
+ pixval = gdk_image_get_pixel( img, x, tabley[h] );
+ old_pixval = pixval;
+ old_x = x;
+ }
+
+ if (bpp == 1)
+ {
+ if (!pixval)
+ {
+ char bit=1;
+ char shift = bit << w % 8;
+ outbyte |= shift;
+ }
+
+ if ((w+1)%8==0)
+ {
+ dst[h*dstbyteperline+w/8] = outbyte;
+ outbyte = 0;
+ }
+ }
+ else
+ {
+ GdkColor col;
+ col.pixel = pixval;
+ gdk_gc_set_foreground( gc, &col );
+ gdk_draw_point( dstpix, gc, w, h);
+ }
+ }
+
+ // do not forget the last byte
+ if ((bpp == 1) && (width % 8 != 0))
+ dst[h*dstbyteperline+width/8] = outbyte;
+ }
+
+ gdk_image_destroy( img );
+ if (gc) gdk_gc_unref( gc );
+
+ if (bpp == 1)
+ {
+ bmp = wxBitmap( (const char *)dst, width, height, 1 );
+ free( dst );
+ }
+
+ if (GetMask())
+ {
+ dstbyteperline = width/8;
+ if (width % 8 != 0)
+ dstbyteperline++;
+ dst = (char*) malloc(dstbyteperline*height);
+ img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() );
+
+ for (int h = 0; h < height; h++)
+ {
+ char outbyte = 0;
+ int old_x = -1;
+ guint32 old_pixval = 0;
+
+ for (int w = 0; w < width; w++)
+ {
+ guint32 pixval;
+ int x = tablex[w];
+ if (x == old_x)
+ pixval = old_pixval;
+ else
+ {
+ pixval = gdk_image_get_pixel( img, x, tabley[h] );
+ old_pixval = pixval;
+ old_x = x;
+ }
+
+ if (pixval)
+ {
+ char bit=1;
+ char shift = bit << w % 8;
+ outbyte |= shift;
+ }
+
+ if ((w+1)%8 == 0)
+ {
+ dst[h*dstbyteperline+w/8] = outbyte;
+ outbyte = 0;
+ }
+ }
+
+ // do not forget the last byte
+ if (width % 8 != 0)
+ dst[h*dstbyteperline+width/8] = outbyte;
+ }
+ wxMask* mask = new wxMask;
+ mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height );
+ bmp.SetMask(mask);
+
+ free( dst );
+ gdk_image_destroy( img );
+ }
+
+ free( tablex );
+ free( tabley );
+ }
+
+ return bmp;
+}
+
+bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
+{
+ UnRef();
+
+ wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )
+ wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") )
+
+ if (image.GetWidth() <= 0 || image.GetHeight() <= 0)
+ return false;
+
+ m_refData = new wxBitmapRefData();
+
+ if (depth == 1)
+ {
+ return CreateFromImageAsBitmap(image);
+ }
+ else
+ {
+#ifdef __WXGTK20__
+ if (image.HasAlpha())
+ return CreateFromImageAsPixbuf(image);
#endif
-
- M_BMPDATA->m_bpp = 24; // ?
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ return CreateFromImageAsPixmap(image);
+ }
}
-
-wxBitmap::wxBitmap( const wxBitmap& bmp )
+
+// conversion to mono bitmap:
+bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img)
{
- Ref( bmp );
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ // convert alpha channel to mask, if it is present:
+ wxImage image(img);
+ image.ConvertAlphaToMask();
+
+ int width = image.GetWidth();
+ int height = image.GetHeight();
+
+ SetHeight( height );
+ SetWidth( width );
+
+ SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );
+
+ SetDepth( 1 );
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
+
+ // Create picture image
+
+ unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
+
+ GdkImage *data_image =
+ gdk_image_new_bitmap( visual, data_data, width, height );
+
+ // Create mask image
+
+ GdkImage *mask_image = (GdkImage*) NULL;
+
+ if (image.HasMask())
+ {
+ unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
+
+ mask_image = gdk_image_new_bitmap( visual, mask_data, width, height );
+
+ wxMask *mask = new wxMask();
+ mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
+
+ SetMask( mask );
+ }
+
+ int r_mask = image.GetMaskRed();
+ int g_mask = image.GetMaskGreen();
+ int b_mask = image.GetMaskBlue();
+
+ unsigned char* data = image.GetData();
+
+ int index = 0;
+ for (int y = 0; y < height; y++)
+ {
+ for (int x = 0; x < width; x++)
+ {
+ int r = data[index];
+ index++;
+ int g = data[index];
+ index++;
+ int b = data[index];
+ index++;
+
+ if (image.HasMask())
+ {
+ if ((r == r_mask) && (b == b_mask) && (g == g_mask))
+ gdk_image_put_pixel( mask_image, x, y, 1 );
+ else
+ gdk_image_put_pixel( mask_image, x, y, 0 );
+ }
+
+ if ((r == 255) && (b == 255) && (g == 255))
+ gdk_image_put_pixel( data_image, x, y, 1 );
+ else
+ gdk_image_put_pixel( data_image, x, y, 0 );
+
+ } // for
+ } // for
+
+ // Blit picture
+
+ GdkGC *data_gc = gdk_gc_new( GetBitmap() );
+
+ gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
+
+ gdk_image_destroy( data_image );
+ gdk_gc_unref( data_gc );
+
+ // Blit mask
+
+ if (image.HasMask())
+ {
+ GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
+
+ gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
+
+ gdk_image_destroy( mask_image );
+ gdk_gc_unref( mask_gc );
+ }
+
+ return true;
}
-
-wxBitmap::wxBitmap( const wxBitmap* bmp )
+
+// conversion to colour bitmap:
+bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img)
{
- if (bmp) Ref( *bmp );
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ // convert alpha channel to mask, if it is present:
+ wxImage image(img);
+ image.ConvertAlphaToMask();
+
+ int width = image.GetWidth();
+ int height = image.GetHeight();
+
+ SetHeight( height );
+ SetWidth( width );
+
+ SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) );
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
+
+ int bpp = visual->depth;
+
+ SetDepth( bpp );
+
+ if ((bpp == 16) && (visual->red_mask != 0xf800))
+ bpp = 15;
+ else if (bpp < 8)
+ bpp = 8;
+
+ // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit
+ // visuals are not supported by GDK so we do these ourselves, too.
+ // 15-bit and 16-bit should actually work and 24-bit certainly does.
+#ifdef __sgi
+ if (!image.HasMask() && (bpp > 16))
+#else
+ if (!image.HasMask() && (bpp > 12))
+#endif
+ {
+ static bool s_hasInitialized = FALSE;
+
+ if (!s_hasInitialized)
+ {
+ gdk_rgb_init();
+ s_hasInitialized = TRUE;
+ }
+
+ GdkGC *gc = gdk_gc_new( GetPixmap() );
+
+ gdk_draw_rgb_image( GetPixmap(),
+ gc,
+ 0, 0,
+ width, height,
+ GDK_RGB_DITHER_NONE,
+ image.GetData(),
+ width*3 );
+
+ gdk_gc_unref( gc );
+ return TRUE;
+ }
+
+ // Create picture image
+
+ GdkImage *data_image =
+ gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height );
+
+ // Create mask image
+
+ GdkImage *mask_image = (GdkImage*) NULL;
+
+ if (image.HasMask())
+ {
+ unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
+
+ mask_image = gdk_image_new_bitmap( visual, mask_data, width, height );
+
+ wxMask *mask = new wxMask();
+ mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
+
+ SetMask( mask );
+ }
+
+ // Render
+
+ enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
+ byte_order b_o = RGB;
+
+ if (bpp > 8)
+ {
+ if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB;
+ else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RBG;
+ else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG;
+ else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
+ else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB;
+ else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR;
+ }
+
+ int r_mask = image.GetMaskRed();
+ int g_mask = image.GetMaskGreen();
+ int b_mask = image.GetMaskBlue();
+
+ unsigned char* data = image.GetData();
+
+ int index = 0;
+ for (int y = 0; y < height; y++)
+ {
+ for (int x = 0; x < width; x++)
+ {
+ int r = data[index];
+ index++;
+ int g = data[index];
+ index++;
+ int b = data[index];
+ index++;
+
+ if (image.HasMask())
+ {
+ if ((r == r_mask) && (b == b_mask) && (g == g_mask))
+ gdk_image_put_pixel( mask_image, x, y, 1 );
+ else
+ gdk_image_put_pixel( mask_image, x, y, 0 );
+ }
+
+ switch (bpp)
+ {
+ case 8:
+ {
+ int pixel = -1;
+ if (wxTheApp->m_colorCube)
+ {
+ pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
+ }
+ else
+ {
+ GdkColormap *cmap = gtk_widget_get_default_colormap();
+ GdkColor *colors = cmap->colors;
+ int max = 3 * (65536);
+
+ for (int i = 0; i < cmap->size; i++)
+ {
+ int rdiff = (r << 8) - colors[i].red;
+ int gdiff = (g << 8) - colors[i].green;
+ int bdiff = (b << 8) - colors[i].blue;
+ int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
+ if (sum < max) { pixel = i; max = sum; }
+ }
+ }
+
+ gdk_image_put_pixel( data_image, x, y, pixel );
+
+ break;
+ }
+ case 12: // SGI only
+ {
+ guint32 pixel = 0;
+ switch (b_o)
+ {
+ case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
+ case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
+ case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
+ case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
+ case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
+ case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;
+ }
+ gdk_image_put_pixel( data_image, x, y, pixel );
+ break;
+ }
+ case 15:
+ {
+ guint32 pixel = 0;
+ switch (b_o)
+ {
+ case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
+ case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
+ case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
+ case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
+ case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
+ case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
+ }
+ gdk_image_put_pixel( data_image, x, y, pixel );
+ break;
+ }
+ case 16:
+ {
+ // I actually don't know if for 16-bit displays, it is alway the green
+ // component or the second component which has 6 bits.
+ guint32 pixel = 0;
+ switch (b_o)
+ {
+ case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
+ case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
+ case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
+ case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
+ case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
+ case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
+ }
+ gdk_image_put_pixel( data_image, x, y, pixel );
+ break;
+ }
+ case 32:
+ case 24:
+ {
+ guint32 pixel = 0;
+ switch (b_o)
+ {
+ case RGB: pixel = (r << 16) | (g << 8) | b; break;
+ case RBG: pixel = (r << 16) | (b << 8) | g; break;
+ case BRG: pixel = (b << 16) | (r << 8) | g; break;
+ case BGR: pixel = (b << 16) | (g << 8) | r; break;
+ case GRB: pixel = (g << 16) | (r << 8) | b; break;
+ case GBR: pixel = (g << 16) | (b << 8) | r; break;
+ }
+ gdk_image_put_pixel( data_image, x, y, pixel );
+ }
+ default: break;
+ }
+ } // for
+ } // for
+
+ // Blit picture
+
+ GdkGC *data_gc = gdk_gc_new( GetPixmap() );
+
+ gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
+
+ gdk_image_destroy( data_image );
+ gdk_gc_unref( data_gc );
+
+ // Blit mask
+
+ if (image.HasMask())
+ {
+ GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
+
+ gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
+
+ gdk_image_destroy( mask_image );
+ gdk_gc_unref( mask_gc );
+ }
+
+ return true;
+}
+
+#ifdef __WXGTK20__
+bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image)
+{
+ int width = image.GetWidth();
+ int height = image.GetHeight();
+
+ GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+ image.HasAlpha(),
+ 8 /* bits per sample */,
+ width, height);
+ if (!pixbuf)
+ return false;
+
+ wxASSERT( image.HasAlpha() ); // for now
+ wxASSERT( gdk_pixbuf_get_n_channels(pixbuf) == 4 );
+ wxASSERT( gdk_pixbuf_get_width(pixbuf) == width );
+ wxASSERT( gdk_pixbuf_get_height(pixbuf) == height );
+
+ M_BMPDATA->m_pixbuf = pixbuf;
+ SetHeight(height);
+ SetWidth(width);
+ SetDepth(wxTheApp->GetGdkVisual()->depth);
+
+ // Copy the data:
+ unsigned char *in = image.GetData();
+ unsigned char *out = gdk_pixbuf_get_pixels(pixbuf);
+ unsigned char *alpha = image.GetAlpha();
+
+ int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width;
+
+ for (int y = 0; y < height; y++, out += rowinc)
+ {
+ for (int x = 0; x < width; x++, alpha++, out += 4, in += 3)
+ {
+ out[0] = in[0];
+ out[1] = in[1];
+ out[2] = in[2];
+ out[3] = *alpha;
+ }
+ }
+
+ return true;
+}
+#endif // __WXGTK20__
+
+wxImage wxBitmap::ConvertToImage() const
+{
+ wxImage image;
+
+ wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+
+ image.Create(GetWidth(), GetHeight());
+ unsigned char *data = image.GetData();
+
+ if (!data)
+ {
+ wxFAIL_MSG( wxT("couldn't create image") );
+ return wxNullImage;
+ }
+
+#ifdef __WXGTK20__
+ if (HasPixbuf())
+ {
+ GdkPixbuf *pixbuf = GetPixbuf();
+ wxASSERT( gdk_pixbuf_get_has_alpha(pixbuf) );
+
+ int w = GetWidth();
+ int h = GetHeight();
+
+ image.SetAlpha();
+
+ unsigned char *alpha = image.GetAlpha();
+ unsigned char *in = gdk_pixbuf_get_pixels(pixbuf);
+ unsigned char *out = data;
+ int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * w;
+
+ for (int y = 0; y < h; y++, in += rowinc)
+ {
+ for (int x = 0; x < w; x++, in += 4, out += 3, alpha++)
+ {
+ out[0] = in[0];
+ out[1] = in[1];
+ out[2] = in[2];
+ *alpha = in[3];
+ }
+ }
+ }
+ else
+#endif // __WXGTK20__
+ {
+ // the colour used as transparent one in wxImage and the one it is
+ // replaced with when it really occurs in the bitmap
+ static const int MASK_RED = 1;
+ static const int MASK_GREEN = 2;
+ static const int MASK_BLUE = 3;
+ static const int MASK_BLUE_REPLACEMENT = 2;
+
+ GdkImage *gdk_image = (GdkImage*) NULL;
+
+ if (HasPixmap())
+ {
+ gdk_image = gdk_image_get( GetPixmap(),
+ 0, 0,
+ GetWidth(), GetHeight() );
+ }
+ else if (GetBitmap())
+ {
+ gdk_image = gdk_image_get( GetBitmap(),
+ 0, 0,
+ GetWidth(), GetHeight() );
+ }
+ else
+ {
+ wxFAIL_MSG( wxT("Ill-formed bitmap") );
+ }
+
+ wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") );
+
+ GdkImage *gdk_image_mask = (GdkImage*) NULL;
+ if (GetMask())
+ {
+ gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(),
+ 0, 0,
+ GetWidth(), GetHeight() );
+
+ image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
+ }
+
+ int bpp = -1;
+ int red_shift_right = 0;
+ int green_shift_right = 0;
+ int blue_shift_right = 0;
+ int red_shift_left = 0;
+ int green_shift_left = 0;
+ int blue_shift_left = 0;
+ bool use_shift = FALSE;
+
+ if (GetPixmap())
+ {
+ GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
+ if (visual == NULL)
+ visual = wxTheApp->GetGdkVisual();
+
+ bpp = visual->depth;
+ if (bpp == 16)
+ bpp = visual->red_prec + visual->green_prec + visual->blue_prec;
+ red_shift_right = visual->red_shift;
+ red_shift_left = 8-visual->red_prec;
+ green_shift_right = visual->green_shift;
+ green_shift_left = 8-visual->green_prec;
+ blue_shift_right = visual->blue_shift;
+ blue_shift_left = 8-visual->blue_prec;
+
+ use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR);
+ }
+ if (GetBitmap())
+ {
+ bpp = 1;
+ }
+
+
+ GdkColormap *cmap = gtk_widget_get_default_colormap();
+
+ long pos = 0;
+ for (int j = 0; j < GetHeight(); j++)
+ {
+ for (int i = 0; i < GetWidth(); i++)
+ {
+ wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j );
+ if (bpp == 1)
+ {
+ if (pixel == 0)
+ {
+ data[pos] = 0;
+ data[pos+1] = 0;
+ data[pos+2] = 0;
+ }
+ else
+ {
+ data[pos] = 255;
+ data[pos+1] = 255;
+ data[pos+2] = 255;
+ }
+ }
+ else if (use_shift)
+ {
+ data[pos] = (pixel >> red_shift_right) << red_shift_left;
+ data[pos+1] = (pixel >> green_shift_right) << green_shift_left;
+ data[pos+2] = (pixel >> blue_shift_right) << blue_shift_left;
+ }
+ else if (cmap->colors)
+ {
+ data[pos] = cmap->colors[pixel].red >> 8;
+ data[pos+1] = cmap->colors[pixel].green >> 8;
+ data[pos+2] = cmap->colors[pixel].blue >> 8;
+ }
+ else
+ {
+ wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );
+ }
+
+ if (gdk_image_mask)
+ {
+ int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
+ if (mask_pixel == 0)
+ {
+ data[pos] = MASK_RED;
+ data[pos+1] = MASK_GREEN;
+ data[pos+2] = MASK_BLUE;
+ }
+ else if ( data[pos] == MASK_RED &&
+ data[pos+1] == MASK_GREEN &&
+ data[pos+2] == MASK_BLUE )
+ {
+ data[pos+2] = MASK_BLUE_REPLACEMENT;
+ }
+ }
+
+ pos += 3;
+ }
+ }
+
+ gdk_image_destroy( gdk_image );
+ if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
+ }
+
+ return image;
+}
+
+wxBitmap::wxBitmap( const wxBitmap& bmp )
+ : wxBitmapBase()
+{
+ Ref( bmp );
}
-wxBitmap::wxBitmap( const wxString &filename, int type )
+wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type )
{
- LoadFile( filename, type );
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ LoadFile( filename, type );
}
-// CMB 15/5/98: add constructor for xbm bitmaps
wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
{
- m_refData = new wxBitmapRefData();
+ if ( width > 0 && height > 0 )
+ {
+ m_refData = new wxBitmapRefData();
- M_BMPDATA->m_mask = NULL;
- M_BMPDATA->m_bitmap =
- gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
- M_BMPDATA->m_width = width;
- M_BMPDATA->m_height = height;
- M_BMPDATA->m_bpp = 1;
+ M_BMPDATA->m_mask = (wxMask *) NULL;
+ M_BMPDATA->m_bitmap = gdk_bitmap_create_from_data
+ (
+ wxGetRootWindow()->window,
+ (gchar *) bits,
+ width,
+ height
+ );
+ M_BMPDATA->m_width = width;
+ M_BMPDATA->m_height = height;
+ M_BMPDATA->m_bpp = 1;
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
+ }
}
-
-wxBitmap::~wxBitmap(void)
+
+wxBitmap::~wxBitmap()
{
- if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
}
-
+
wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
{
- if (*this == bmp) return (*this);
- Ref( bmp );
- return *this;
+ if ( m_refData != bmp.m_refData )
+ Ref( bmp );
+
+ return *this;
+}
+
+bool wxBitmap::operator == ( const wxBitmap& bmp ) const
+{
+ return m_refData == bmp.m_refData;
+}
+
+bool wxBitmap::operator != ( const wxBitmap& bmp ) const
+{
+ return m_refData != bmp.m_refData;
+}
+
+bool wxBitmap::Ok() const
+{
+ return (m_refData != NULL) &&
+ (
+#ifdef __WXGTK20__
+ M_BMPDATA->m_pixbuf ||
+#endif
+ M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap
+ );
+}
+
+int wxBitmap::GetHeight() const
+{
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_height;
}
-
-bool wxBitmap::operator == ( const wxBitmap& bmp )
+
+int wxBitmap::GetWidth() const
{
- return m_refData == bmp.m_refData;
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_width;
}
-
-bool wxBitmap::operator != ( const wxBitmap& bmp )
+
+int wxBitmap::GetDepth() const
{
- return m_refData != bmp.m_refData;
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_bpp;
}
-
-bool wxBitmap::Ok(void) const
+
+wxMask *wxBitmap::GetMask() const
{
- return m_refData != NULL;
+ wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_mask;
}
-
-int wxBitmap::GetHeight(void) const
+
+void wxBitmap::SetMask( wxMask *mask )
{
- if (!Ok()) return 0;
- return M_BMPDATA->m_height;
+ wxCHECK_RET( Ok(), wxT("invalid bitmap") );
+
+ if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
+
+ M_BMPDATA->m_mask = mask;
}
-int wxBitmap::GetWidth(void) const
+bool wxBitmap::CopyFromIcon(const wxIcon& icon)
{
- if (!Ok()) return 0;
- return M_BMPDATA->m_width;
+ *this = icon;
+ return TRUE;
}
-int wxBitmap::GetDepth(void) const
+wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
{
- if (!Ok()) return 0;
- return M_BMPDATA->m_bpp;
+ 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") );
+
+#ifdef __WXGTK20__
+ if (HasPixbuf())
+ {
+ GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+ gdk_pixbuf_get_has_alpha(GetPixbuf()),
+ 8, GetWidth(), GetHeight());
+ ret.SetPixbuf(pixbuf);
+ gdk_pixbuf_copy_area(GetPixbuf(),
+ rect.x, rect.y, rect.width, rect.height,
+ pixbuf, 0, 0);
+ }
+ else
+#endif // __WXGTK20__
+ {
+ 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() );
+ GdkColor col;
+ col.pixel = 0xFFFFFF;
+ gdk_gc_set_foreground( gc, &col );
+ col.pixel = 0;
+ gdk_gc_set_background( gc, &col );
+ gdk_wx_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( wxGetRootWindow()->window, rect.width, rect.height, 1 );
+
+ GdkGC *gc = gdk_gc_new( mask->m_bitmap );
+ GdkColor col;
+ col.pixel = 0xFFFFFF;
+ gdk_gc_set_foreground( gc, &col );
+ col.pixel = 0;
+ gdk_gc_set_background( gc, &col );
+ gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, rect.x, rect.y, 0, 0, rect.width, rect.height );
+ gdk_gc_destroy( gc );
+
+ ret.SetMask( mask );
+ }
+
+ return ret;
+}
+
+bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const
+{
+ wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
+
+ // Try to save the bitmap via wxImage handlers:
+ {
+ wxImage image = ConvertToImage();
+ if (image.Ok()) return image.SaveFile( name, type );
+ }
+
+ return FALSE;
+}
+
+bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
+{
+ UnRef();
+
+ if (!wxFileExists(name))
+ return FALSE;
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
+
+ if (type == wxBITMAP_TYPE_XPM)
+ {
+ m_refData = new wxBitmapRefData();
+
+ GdkBitmap *mask = (GdkBitmap*) NULL;
+
+ M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm
+ (
+ wxGetRootWindow()->window,
+ &mask,
+ NULL,
+ name.fn_str()
+ );
+
+ if (mask)
+ {
+ M_BMPDATA->m_mask = new wxMask();
+ M_BMPDATA->m_mask->m_bitmap = mask;
+ }
+
+ gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
+
+ M_BMPDATA->m_bpp = visual->depth;
+ }
+ else // try if wxImage can load it
+ {
+ wxImage image;
+ if ( !image.LoadFile( name, type ) || !image.Ok() )
+ return FALSE;
+
+ *this = wxBitmap(image);
+ }
+
+ return TRUE;
+}
+
+wxPalette *wxBitmap::GetPalette() const
+{
+ if (!Ok())
+ return (wxPalette *) NULL;
+
+ return M_BMPDATA->m_palette;
+}
+
+void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette))
+{
+ // TODO
}
void wxBitmap::SetHeight( int height )
{
- if (!Ok()) return;
- M_BMPDATA->m_height = height;
+ if (!m_refData)
+ m_refData = new wxBitmapRefData();
+
+ M_BMPDATA->m_height = height;
}
void wxBitmap::SetWidth( int width )
{
- if (!Ok()) return;
- M_BMPDATA->m_width = width;
+ if (!m_refData)
+ m_refData = new wxBitmapRefData();
+
+ M_BMPDATA->m_width = width;
}
void wxBitmap::SetDepth( int depth )
{
- if (!Ok()) return;
- M_BMPDATA->m_bpp = depth;
+ if (!m_refData)
+ m_refData = new wxBitmapRefData();
+
+ M_BMPDATA->m_bpp = depth;
}
-wxMask *wxBitmap::GetMask(void) const
+void wxBitmap::SetPixmap( GdkPixmap *pixmap )
{
- if (!Ok()) return NULL;
-
- return M_BMPDATA->m_mask;
+ if (!m_refData)
+ m_refData = new wxBitmapRefData();
+
+ M_BMPDATA->m_pixmap = pixmap;
+#ifdef __WXGTK20__
+ PurgeOtherRepresentations(Pixmap);
+#endif
}
-void wxBitmap::SetMask( wxMask *mask )
+void wxBitmap::SetBitmap( GdkPixmap *bitmap )
{
- if (!Ok()) return;
-
- if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
- M_BMPDATA->m_mask = mask;
-}
-
-void wxBitmap::Resize( int height, int width )
-{
- if (!Ok()) return;
-
-#ifdef USE_GDK_IMLIB
-
- if (M_BMPDATA->m_bitmap) return; // not supported for bitmaps
-
- if (!M_BMPDATA->m_image) RecreateImage();
-
- if (M_BMPDATA->m_pixmap) gdk_imlib_free_pixmap( M_BMPDATA->m_pixmap );
- if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
-
- GdkImlibImage* image = gdk_imlib_clone_scaled_image( M_BMPDATA->m_image, height, width );
- gdk_imlib_destroy_image( M_BMPDATA->m_image );
- M_BMPDATA->m_image = image;
- M_BMPDATA->m_height = height;
- M_BMPDATA->m_width = width;
-
- Render();
-
+ if (!m_refData)
+ m_refData = new wxBitmapRefData();
+
+ M_BMPDATA->m_bitmap = bitmap;
+#ifdef __WXGTK20__
+ PurgeOtherRepresentations(Pixmap);
#endif
}
-bool wxBitmap::SaveFile( const wxString &name, int WXUNUSED(type),
- wxPalette *WXUNUSED(palette) )
+GdkPixmap *wxBitmap::GetPixmap() const
{
-#ifdef USE_GDK_IMLIB
+ wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
- if (!Ok()) return FALSE;
-
- if (!M_BMPDATA->m_image) RecreateImage();
-
- return gdk_imlib_save_image( M_BMPDATA->m_image, WXSTRINGCAST name, NULL );
+#ifdef __WXGTK20__
+ // create the pixmap on the fly if we use Pixbuf representation:
+ if (HasPixbuf() && !HasPixmap())
+ {
+ delete M_BMPDATA->m_mask;
+ M_BMPDATA->m_mask = new wxMask();
+ gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf,
+ &M_BMPDATA->m_pixmap,
+ &M_BMPDATA->m_mask->m_bitmap,
+ 128 /*threshold*/);
+ }
+#endif // __WXGTK20__
-#endif
-
- return FALSE;
+ return M_BMPDATA->m_pixmap;
}
-bool wxBitmap::LoadFile( const wxString &name, int WXUNUSED(type) )
+bool wxBitmap::HasPixmap() const
{
-#ifdef USE_GDK_IMLIB
+ wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
- UnRef();
- m_refData = new wxBitmapRefData();
-
- M_BMPDATA->m_image = gdk_imlib_load_image( WXSTRINGCAST name );
+ return M_BMPDATA->m_pixmap != NULL;
+}
- if (!M_BMPDATA->m_image)
- {
- UnRef();
- return FALSE;
- }
-
- Render();
-
- gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
- M_BMPDATA->m_bpp = 24; // ?
-
- return TRUE;
-#endif
+GdkBitmap *wxBitmap::GetBitmap() const
+{
+ wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
- return FALSE;
+ return M_BMPDATA->m_bitmap;
}
+
+#ifdef __WXGTK20__
+GdkPixbuf *wxBitmap::GetPixbuf() const
+{
+ wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
+
+ if (HasPixmap() && !HasPixbuf())
+ {
+ int width = GetWidth();
+ int height = GetHeight();
+
+ GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+ GetMask() != NULL,
+ 8, width, height);
+ M_BMPDATA->m_pixbuf =
+ gdk_pixbuf_get_from_drawable(pixbuf, M_BMPDATA->m_pixmap, NULL,
+ 0, 0, 0, 0, width, height);
-wxPalette *wxBitmap::GetPalette(void) const
+ // apply the mask to created pixbuf:
+ if (M_BMPDATA->m_pixbuf && M_BMPDATA->m_mask)
+ {
+ GdkPixbuf *pmask =
+ gdk_pixbuf_get_from_drawable(NULL,
+ M_BMPDATA->m_mask->GetBitmap(),
+ NULL,
+ 0, 0, 0, 0, width, height);
+ if (pmask)
+ {
+ guchar *bmp = gdk_pixbuf_get_pixels(pixbuf);
+ guchar *mask = gdk_pixbuf_get_pixels(pmask);
+ int bmprowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width;
+ int maskrowinc = gdk_pixbuf_get_rowstride(pmask) - 3 * width;
+
+ for (int y = 0; y < height;
+ y++, bmp += bmprowinc, mask += maskrowinc)
+ {
+ for (int x = 0; x < width; x++, bmp += 4, mask += 3)
+ {
+ if (mask[0] == 0 /*black pixel*/)
+ bmp[3] = 0;
+ }
+ }
+
+ gdk_pixbuf_unref(pmask);
+ }
+ }
+ }
+
+ return M_BMPDATA->m_pixbuf;
+}
+
+bool wxBitmap::HasPixbuf() const
{
- if (!Ok()) return NULL;
- return M_BMPDATA->m_palette;
+ wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_pixbuf != NULL;
}
-GdkPixmap *wxBitmap::GetPixmap(void) const
+void wxBitmap::SetPixbuf( GdkPixbuf *pixbuf )
{
- if (!Ok()) return NULL;
- return M_BMPDATA->m_pixmap;
+ if (!m_refData)
+ m_refData = new wxBitmapRefData();
+
+ M_BMPDATA->m_pixbuf = pixbuf;
+ PurgeOtherRepresentations(Pixbuf);
}
-
-GdkBitmap *wxBitmap::GetBitmap(void) const
+
+void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep)
{
- if (!Ok()) return NULL;
-
- return M_BMPDATA->m_bitmap;
+ if (keep == Pixmap && HasPixbuf())
+ {
+ gdk_pixbuf_unref( M_BMPDATA->m_pixbuf );
+ M_BMPDATA->m_pixbuf = NULL;
+ }
+ if (keep == Pixbuf && HasPixmap())
+ {
+ gdk_pixmap_unref( M_BMPDATA->m_pixmap );
+ M_BMPDATA->m_pixmap = NULL;
+ }
}
-
-void wxBitmap::DestroyImage(void)
+
+#endif // __WXGTK20__
+
+void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
{
- if (!Ok()) return;
-
- if (M_BMPDATA->m_image)
- {
- gdk_imlib_destroy_image( M_BMPDATA->m_image );
- M_BMPDATA->m_image = NULL;
- }
+#ifdef __WXGTK20__
+ if (bpp != 32)
+ return NULL;
+
+ GdkPixbuf *pixbuf = GetPixbuf();
+ if (!pixbuf)
+ return NULL;
+
+#if 0
+ if (gdk_pixbuf_get_has_alpha( pixbuf ))
+ wxPrintf( wxT("Has alpha\n") );
+ else
+ wxPrintf( wxT("No alpha.\n") );
+#endif
+
+ data.m_height = gdk_pixbuf_get_height( pixbuf );
+ data.m_width = gdk_pixbuf_get_width( pixbuf );
+ data.m_stride = gdk_pixbuf_get_rowstride( pixbuf );
+
+ return gdk_pixbuf_get_pixels( pixbuf );
+#else
+ return NULL;
+#endif
}
-void wxBitmap::RecreateImage(void)
+void wxBitmap::UngetRawData(wxPixelDataBase& data)
{
}
-void wxBitmap::Render(void)
+
+bool wxBitmap::HasAlpha() const
{
- if (!Ok()) return;
-
-#ifdef USE_GDK_IMLIB
+#ifdef __WXGTK20__
+ return HasPixbuf();
+#else
+ return false;
+#endif
+}
- gdk_imlib_render( M_BMPDATA->m_image, M_BMPDATA->m_image->rgb_width, M_BMPDATA->m_image->rgb_height );
- M_BMPDATA->m_width = M_BMPDATA->m_image->rgb_width;
- M_BMPDATA->m_height = M_BMPDATA->m_image->rgb_height;
- M_BMPDATA->m_pixmap = gdk_imlib_move_image( M_BMPDATA->m_image );
- GdkBitmap *mask = gdk_imlib_move_mask( M_BMPDATA->m_image );
- if (mask)
- {
- M_BMPDATA->m_mask = new wxMask();
- M_BMPDATA->m_mask->m_bitmap = mask;
- }
-
+void wxBitmap::UseAlpha()
+{
+#ifdef __WXGTK20__
+ GetPixbuf();
#endif
}
+//-----------------------------------------------------------------------------
+// wxBitmapHandler
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler,wxBitmapHandlerBase)
+
+wxBitmapHandler::~wxBitmapHandler()
+{
+}
+
+bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
+{
+ return FALSE;
+}
+
+bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
+ int desiredWidth, int desiredHeight)
+{
+ return FALSE;
+}
+
+bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette)
+{
+ return FALSE;
+}
+
+/* static */ void wxBitmap::InitStandardHandlers()
+{
+ // TODO: Insert handler based on GdkPixbufs handler later
+}
+
projects / wxWidgets.git / blobdiff