/////////////////////////////////////////////////////////////////////////////
-// Name: bitmap.cpp
+// Name: src/gtk/bitmap.cpp
// Purpose:
// Author: Robert Roebling
// RCS-ID: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "bitmap.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#include "wx/bitmap.h"
-#include "wx/icon.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/app.h"
+ #include "wx/dcmemory.h"
+ #include "wx/palette.h"
+ #include "wx/icon.h"
+ #include "wx/math.h"
+#endif
+
#include "wx/filefn.h"
#include "wx/image.h"
-#include "wx/dcmemory.h"
+
+#include "wx/rawbmp.h"
+ // need this to get gdk_image_new_bitmap()
+ #define GDK_ENABLE_BROKEN
#include <gdk/gdk.h>
#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
+#include <gdk/gdkimage.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 *wxRootWindow;
+extern GtkWidget *wxGetRootWindow();
//-----------------------------------------------------------------------------
// wxMask
Create( bitmap, colour );
}
+#if wxUSE_PALETTE
wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
{
m_bitmap = (GdkBitmap *) NULL;
Create( bitmap, paletteIndex );
}
+#endif // wxUSE_PALETTE
wxMask::wxMask( const wxBitmap& bitmap )
{
wxMask::~wxMask()
{
if (m_bitmap)
- gdk_bitmap_unref( m_bitmap );
+ g_object_unref (m_bitmap);
}
bool wxMask::Create( const wxBitmap& bitmap,
{
if (m_bitmap)
{
- gdk_bitmap_unref( m_bitmap );
+ g_object_unref (m_bitmap);
m_bitmap = (GdkBitmap*) NULL;
}
- wxImage image( bitmap );
- if (!image.Ok()) return FALSE;
+ wxImage image = bitmap.ConvertToImage();
+ if (!image.Ok()) return false;
- m_bitmap = gdk_pixmap_new( wxRootWindow->window, image.GetWidth(), image.GetHeight(), 1 );
+ m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 );
GdkGC *gc = gdk_gc_new( m_bitmap );
GdkColor color;
unsigned char green = colour.Green();
unsigned char blue = colour.Blue();
- GdkVisual *visual = gdk_visual_get_system();
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
+
int bpp = visual->depth;
- if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
+ if ((bpp == 16) && (visual->red_mask != 0xf800))
+ bpp = 15;
if (bpp == 15)
{
red = red & 0xf8;
- blue = blue & 0xf8;
green = green & 0xf8;
+ blue = blue & 0xf8;
}
- if (bpp == 16)
+ else if (bpp == 16)
{
red = red & 0xf8;
- blue = blue & 0xfc;
- green = green & 0xf8;
+ green = green & 0xfc;
+ blue = blue & 0xf8;
+ }
+ else if (bpp == 12)
+ {
+ red = red & 0xf0;
+ green = green & 0xf0;
+ blue = blue & 0xf0;
}
color.red = 0;
gdk_draw_line( m_bitmap, gc, start_x, j, i, j );
}
- gdk_gc_unref( gc );
+ g_object_unref (gc);
- return TRUE;
+ return true;
}
-bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),
- int WXUNUSED(paletteIndex) )
+#if wxUSE_PALETTE
+bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex )
{
- if (m_bitmap)
- {
- gdk_bitmap_unref( m_bitmap );
- m_bitmap = (GdkBitmap*) NULL;
- }
+ unsigned char r,g,b;
+ wxPalette *pal = bitmap.GetPalette();
+
+ wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") );
- wxFAIL_MSG( wxT("not implemented") );
+ pal->GetRGB(paletteIndex, &r, &g, &b);
- return FALSE;
+ return Create(bitmap, wxColour(r, g, b));
}
+#endif // wxUSE_PALETTE
bool wxMask::Create( const wxBitmap& bitmap )
{
if (m_bitmap)
{
- gdk_bitmap_unref( m_bitmap );
+ g_object_unref (m_bitmap);
m_bitmap = (GdkBitmap*) NULL;
}
- if (!bitmap.Ok()) return FALSE;
+ if (!bitmap.Ok()) return false;
- wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );
+ wxCHECK_MSG( bitmap.GetDepth() == 1, false, wxT("Cannot create mask from colour bitmap") );
- m_bitmap = gdk_pixmap_new( wxRootWindow->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
+ m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
- if (!m_bitmap) return FALSE;
+ if (!m_bitmap) return false;
GdkGC *gc = gdk_gc_new( m_bitmap );
- gdk_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
+ gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetPixmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
- gdk_gc_unref( gc );
+ g_object_unref (gc);
- return TRUE;
+ return true;
}
GdkBitmap *wxMask::GetBitmap() const
~wxBitmapRefData();
GdkPixmap *m_pixmap;
- GdkBitmap *m_bitmap;
+ GdkPixbuf *m_pixbuf;
wxMask *m_mask;
int m_width;
int m_height;
wxBitmapRefData::wxBitmapRefData()
{
m_pixmap = (GdkPixmap *) NULL;
- m_bitmap = (GdkBitmap *) NULL;
+ m_pixbuf = (GdkPixbuf *) NULL;
m_mask = (wxMask *) NULL;
m_width = 0;
m_height = 0;
wxBitmapRefData::~wxBitmapRefData()
{
- if (m_pixmap) gdk_pixmap_unref( m_pixmap );
- if (m_bitmap) gdk_bitmap_unref( m_bitmap );
- if (m_mask) delete m_mask;
- if (m_palette) delete m_palette;
+ if (m_pixmap)
+ g_object_unref (m_pixmap);
+ if (m_pixbuf)
+ g_object_unref (m_pixbuf);
+ delete m_mask;
+#if wxUSE_PALETTE
+ delete m_palette;
+#endif // wxUSE_PALETTE
}
//-----------------------------------------------------------------------------
-#define M_BMPDATA ((wxBitmapRefData *)m_refData)
+#define M_BMPDATA wx_static_cast(wxBitmapRefData*, m_refData)
IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
wxBitmap::wxBitmap()
{
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}
wxBitmap::wxBitmap( int width, int height, int depth )
{
- wxCHECK_RET( (width > 0) && (height > 0), wxT("invalid bitmap size") )
+ Create( width, height, depth );
+}
+
+bool wxBitmap::Create( int width, int height, int depth )
+{
+ UnRef();
+
+ if ( width <= 0 || height <= 0 )
+ {
+ return false;
+ }
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
- if (depth == -1) depth = gdk_window_get_visual( wxRootWindow->window )->depth;
+ if (depth == -1)
+ depth = visual->depth;
- wxCHECK_RET( (depth == gdk_window_get_visual( wxRootWindow->window )->depth) ||
- (depth == 1), wxT("invalid bitmap 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_bpp = depth;
+ if (depth == 32)
{
- M_BMPDATA->m_bitmap = gdk_pixmap_new( wxRootWindow->window, width, height, 1 );
- M_BMPDATA->m_bpp = 1;
+ M_BMPDATA->m_pixbuf = gdk_pixbuf_new( GDK_COLORSPACE_RGB, true,
+ 8, width, height);
}
else
{
- M_BMPDATA->m_pixmap = gdk_pixmap_new( wxRootWindow->window, width, height, depth );
- M_BMPDATA->m_bpp = gdk_window_get_visual( wxRootWindow->window )->depth;
+ M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth );
}
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ return Ok();
}
bool wxBitmap::CreateFromXpm( const char **bits )
{
- wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
+ UnRef();
+
+ wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") );
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
m_refData = new wxBitmapRefData();
GdkBitmap *mask = (GdkBitmap*) NULL;
- M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxRootWindow->window, &mask, NULL, (gchar **) bits );
+ 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") );
+ wxCHECK_MSG( M_BMPDATA->m_pixmap, false, wxT("couldn't create pixmap") );
if (mask)
{
M_BMPDATA->m_mask->m_bitmap = mask;
}
- gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
+ gdk_drawable_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
- M_BMPDATA->m_bpp = gdk_window_get_visual( wxRootWindow->window )->depth; // ?
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ?
- return TRUE;
+ return true;
}
-wxBitmap::wxBitmap( const wxBitmap& bmp )
+wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy )
{
- Ref( bmp );
+ wxCHECK_MSG( Ok(), wxNullBitmap, wxT("invalid bitmap") );
+
+ if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height)
+ return *this;
+
+ int width = wxMax(newx, 1);
+ int height = wxMax(newy, 1);
+ width = wxMin(width, clipwidth);
+ height = wxMin(height, clipheight);
+
+ wxBitmap bmp;
+
+ 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
+ {
+ GdkImage *img = (GdkImage*) NULL;
+ if (GetPixmap())
+ img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() );
+ else
+ wxFAIL_MSG( wxT("Ill-formed bitmap") );
+
+ wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") );
+
+ int bpp = -1;
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+
+ GdkGC *gc = NULL;
+ GdkPixmap *dstpix = NULL;
+ if (GetDepth() != 1)
+ {
+ GdkVisual *visual = gdk_drawable_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 (GetDepth() == 1)
+ {
+ 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));
+
+ // 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 ( dst )
+ {
+ 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 ( dst && (width % 8 != 0) )
+ dst[h*dstbyteperline+width/8] = outbyte;
+ }
+
+ g_object_unref (img);
+ if (gc) g_object_unref (gc);
+
+ if ( dst )
+ {
+ 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 );
+ g_object_unref (img);
+ }
+
+ free( tablex );
+ free( tabley );
+ }
+
+ return bmp;
}
-wxBitmap::wxBitmap( const wxString &filename, int type )
+bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
{
- LoadFile( filename, type );
+ 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;
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ m_refData = new wxBitmapRefData();
+
+ if (depth == 1)
+ {
+ return CreateFromImageAsBitmap(image);
+ }
+ else
+ {
+ if (image.HasAlpha())
+ return CreateFromImageAsPixbuf(image);
+
+ return CreateFromImageAsPixmap(image);
+ }
}
-wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
+// conversion to mono bitmap:
+bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img)
{
- m_refData = new wxBitmapRefData();
+ // convert alpha channel to mask, if it is present:
+ wxImage image(img);
+ image.ConvertAlphaToMask();
- M_BMPDATA->m_mask = (wxMask *) NULL;
- M_BMPDATA->m_bitmap =
- 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;
+ int width = image.GetWidth();
+ int height = image.GetHeight();
+
+ SetHeight( height );
+ SetWidth( width );
+
+ SetPixmap( 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( GetPixmap() );
+
+ gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
- wxCHECK_RET( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
+ g_object_unref (data_image);
+ g_object_unref (data_gc);
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ // 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 );
+
+ g_object_unref (mask_image);
+ g_object_unref (mask_gc);
+ }
+
+ return true;
}
-wxBitmap::~wxBitmap()
+// conversion to colour bitmap:
+bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img)
{
- if (wxTheBitmapList) wxTheBitmapList->DeleteObject(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 );
+
+ GdkGC *gc = gdk_gc_new( GetPixmap() );
+
+ gdk_draw_rgb_image( GetPixmap(),
+ gc,
+ 0, 0,
+ width, height,
+ GDK_RGB_DITHER_NONE,
+ image.GetData(),
+ width*3 );
+
+ g_object_unref (gc);
+
+ // Create mask image
+
+ GdkImage *mask_image = (GdkImage*) NULL;
+
+ if (!image.HasMask())
+ return true;
+
+ 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 ((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 );
+ } // for
+ } // for
+
+ // Blit mask
+
+ GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
+
+ gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
+
+ g_object_unref (mask_image);
+ g_object_unref (mask_gc);
+
+ return true;
}
-wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
+bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image)
{
- if (*this == bmp) return (*this);
- Ref( bmp );
- return *this;
+ 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;
}
-bool wxBitmap::operator == ( const wxBitmap& bmp )
+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;
+ }
+
+ 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
+ {
+ // 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
+ {
+ 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 (GetDepth() != 1)
+ {
+ GdkVisual *visual = gdk_drawable_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);
+ }
+ else
+ {
+ 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;
+ }
+ }
+
+ g_object_unref (gdk_image);
+ if (gdk_image_mask) g_object_unref (gdk_image_mask);
+ }
+
+ return image;
+}
+
+wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type )
+{
+ LoadFile( filename, type );
+}
+
+wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
+{
+ if ( width > 0 && height > 0 )
+ {
+ m_refData = new wxBitmapRefData();
+
+ M_BMPDATA->m_mask = (wxMask *) NULL;
+ M_BMPDATA->m_pixmap = 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;
+
+ wxASSERT_MSG( M_BMPDATA->m_pixmap, wxT("couldn't create bitmap") );
+ }
+}
+
+wxBitmap::~wxBitmap()
+{
+}
+
+bool wxBitmap::operator == ( const wxBitmap& bmp ) const
{
return m_refData == bmp.m_refData;
}
-bool wxBitmap::operator != ( const wxBitmap& bmp )
+bool wxBitmap::operator != ( const wxBitmap& bmp ) const
{
return m_refData != bmp.m_refData;
}
bool wxBitmap::Ok() const
{
- return (m_refData != NULL);
+ return (m_refData != NULL) &&
+ (
+ M_BMPDATA->m_pixbuf ||
+ M_BMPDATA->m_pixmap
+ );
}
int wxBitmap::GetHeight() const
M_BMPDATA->m_mask = mask;
}
+bool wxBitmap::CopyFromIcon(const wxIcon& icon)
+{
+ *this = icon;
+ return true;
+}
+
wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
{
wxCHECK_MSG( Ok() &&
wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
- if (ret.GetPixmap())
+ if (HasPixbuf())
{
- 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 );
+ GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+ gdk_pixbuf_get_has_alpha(GetPixbuf()),
+ 8, rect.width, rect.height);
+ ret.SetPixbuf(pixbuf);
+ gdk_pixbuf_copy_area(GetPixbuf(),
+ rect.x, rect.y, rect.width, rect.height,
+ pixbuf, 0, 0);
}
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 (ret.GetDepth() != 1)
+ {
+ GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
+ gdk_draw_drawable( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
+ g_object_unref (gc);
+ }
+ else
+ {
+ GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
+ 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.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
+ g_object_unref (gc);
+ }
}
if (GetMask())
{
wxMask *mask = new wxMask;
- mask->m_bitmap = gdk_pixmap_new( wxRootWindow->window, rect.width, rect.height, 1 );
+ mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->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 );
+ 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 );
+ g_object_unref (gc);
ret.SetMask( mask );
}
return ret;
}
-bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
+bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const
{
- wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
+ wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
// Try to save the bitmap via wxImage handlers:
{
- wxImage image( *this );
+ wxImage image = ConvertToImage();
if (image.Ok()) return image.SaveFile( name, type );
}
- return FALSE;
+ return false;
}
-bool wxBitmap::LoadFile( const wxString &name, int type )
+bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
{
UnRef();
- if (!wxFileExists(name)) return FALSE;
+ if (!wxFileExists(name))
+ return false;
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
if (type == wxBITMAP_TYPE_XPM)
{
GdkBitmap *mask = (GdkBitmap*) NULL;
- M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( wxRootWindow->window, &mask, NULL, name.fn_str() );
+ M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm
+ (
+ wxGetRootWindow()->window,
+ &mask,
+ NULL,
+ name.fn_str()
+ );
if (mask)
{
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 = gdk_window_get_visual( wxRootWindow->window )->depth;
+ gdk_drawable_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 )) return FALSE;
- if (image.Ok()) *this = image.ConvertToBitmap();
- else return FALSE;
+ if ( !image.LoadFile( name, type ) || !image.Ok() )
+ return false;
+
+ *this = wxBitmap(image);
}
- return TRUE;
+ return true;
}
+#if wxUSE_PALETTE
wxPalette *wxBitmap::GetPalette() const
{
- if (!Ok()) return (wxPalette *) NULL;
+ if (!Ok())
+ return (wxPalette *) NULL;
return M_BMPDATA->m_palette;
}
+void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette))
+{
+ // TODO
+}
+#endif // wxUSE_PALETTE
+
void wxBitmap::SetHeight( int height )
{
- if (!m_refData) m_refData = new wxBitmapRefData();
+ if (!m_refData)
+ m_refData = new wxBitmapRefData();
M_BMPDATA->m_height = height;
}
void wxBitmap::SetWidth( int width )
{
- if (!m_refData) m_refData = new wxBitmapRefData();
+ if (!m_refData)
+ m_refData = new wxBitmapRefData();
M_BMPDATA->m_width = width;
}
void wxBitmap::SetDepth( int depth )
{
- if (!m_refData) m_refData = new wxBitmapRefData();
+ if (!m_refData)
+ m_refData = new wxBitmapRefData();
M_BMPDATA->m_bpp = depth;
}
void wxBitmap::SetPixmap( GdkPixmap *pixmap )
{
- if (!m_refData) m_refData = new wxBitmapRefData();
+ if (!m_refData)
+ m_refData = new wxBitmapRefData();
M_BMPDATA->m_pixmap = pixmap;
+ PurgeOtherRepresentations(Pixmap);
+}
+
+GdkPixmap *wxBitmap::GetPixmap() const
+{
+ wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
+
+ // 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*/);
+ }
+
+ return M_BMPDATA->m_pixmap;
}
-void wxBitmap::SetBitmap( GdkPixmap *bitmap )
+bool wxBitmap::HasPixmap() const
{
- if (!m_refData) m_refData = new wxBitmapRefData();
+ wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
- M_BMPDATA->m_bitmap = bitmap;
+ return M_BMPDATA->m_pixmap != NULL;
}
-GdkPixmap *wxBitmap::GetPixmap() const
+GdkPixbuf *wxBitmap::GetPixbuf() const
{
- wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
+ wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
- return M_BMPDATA->m_pixmap;
+ 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);
+
+ // 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;
+ }
+ }
+
+ g_object_unref (pmask);
+ }
+ }
+ }
+
+ return M_BMPDATA->m_pixbuf;
+}
+
+bool wxBitmap::HasPixbuf() const
+{
+ wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_pixbuf != NULL;
+}
+
+void wxBitmap::SetPixbuf( GdkPixbuf *pixbuf )
+{
+ if (!m_refData)
+ m_refData = new wxBitmapRefData();
+
+ M_BMPDATA->m_pixbuf = pixbuf;
+ PurgeOtherRepresentations(Pixbuf);
+}
+
+void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep)
+{
+ if (keep == Pixmap && HasPixbuf())
+ {
+ g_object_unref (M_BMPDATA->m_pixbuf);
+ M_BMPDATA->m_pixbuf = NULL;
+ }
+ if (keep == Pixbuf && HasPixmap())
+ {
+ g_object_unref (M_BMPDATA->m_pixmap);
+ M_BMPDATA->m_pixmap = NULL;
+ }
+}
+
+void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
+{
+ 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 );
}
-GdkBitmap *wxBitmap::GetBitmap() const
+void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data))
{
- wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
+}
+
- return M_BMPDATA->m_bitmap;
+bool wxBitmap::HasAlpha() const
+{
+ return HasPixbuf();
+}
+
+void wxBitmap::UseAlpha()
+{
+ GetPixbuf();
+}
+
+//-----------------------------------------------------------------------------
+// wxBitmapHandler
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler,wxBitmapHandlerBase)
+
+wxBitmapHandler::~wxBitmapHandler()
+{
+}
+
+bool wxBitmapHandler::Create(wxBitmap * WXUNUSED(bitmap),
+ void * WXUNUSED(data),
+ long WXUNUSED(type),
+ int WXUNUSED(width),
+ int WXUNUSED(height),
+ int WXUNUSED(depth))
+{
+ wxFAIL_MSG( _T("not implemented") );
+
+ return false;
+}
+
+bool wxBitmapHandler::LoadFile(wxBitmap * WXUNUSED(bitmap),
+ const wxString& WXUNUSED(name),
+ long WXUNUSED(flags),
+ int WXUNUSED(desiredWidth),
+ int WXUNUSED(desiredHeight))
+{
+ wxFAIL_MSG( _T("not implemented") );
+
+ return false;
+}
+
+bool wxBitmapHandler::SaveFile(const wxBitmap * WXUNUSED(bitmap),
+ const wxString& WXUNUSED(name),
+ int WXUNUSED(type),
+ const wxPalette * WXUNUSED(palette))
+{
+ wxFAIL_MSG( _T("not implemented") );
+
+ return false;
+}
+
+/* static */ void wxBitmap::InitStandardHandlers()
+{
+ // TODO: Insert handler based on GdkPixbufs handler later
}
projects / wxWidgets.git / blobdiff