X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f2593d0ddae43a3e9054d2e9bb59646e19dffe73..63a3cd7a8c737eb4571f27e5f2af37eda0f1c5cc:/src/gtk/bitmap.cpp diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp index 4e8e6a7ca4..7f0b385f9b 100644 --- a/src/gtk/bitmap.cpp +++ b/src/gtk/bitmap.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: bitmap.cpp +// Name: src/gtk/bitmap.cpp // Purpose: // Author: Robert Roebling // RCS-ID: $Id$ @@ -7,20 +7,47 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#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 "wx/filefn.h" #include "wx/image.h" #include "wx/dcmemory.h" +#include "wx/app.h" + +#include "wx/rawbmp.h" + // need this to get gdk_image_new_bitmap() + #define GDK_ENABLE_BROKEN #include -#include +#include #include +#include + +#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 //----------------------------------------------------------------------------- @@ -38,11 +65,13 @@ wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) 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 ) { @@ -52,7 +81,7 @@ wxMask::wxMask( const wxBitmap& bitmap ) wxMask::~wxMask() { - if (m_bitmap) + if (m_bitmap) gdk_bitmap_unref( m_bitmap ); } @@ -64,14 +93,13 @@ bool wxMask::Create( const wxBitmap& bitmap, gdk_bitmap_unref( m_bitmap ); m_bitmap = (GdkBitmap*) NULL; } - - wxImage image( bitmap ); - if (!image.Ok()) return FALSE; - - GdkWindow *parent = (GdkWindow*) &gdk_root_parent; - m_bitmap = gdk_pixmap_new( parent, image.GetWidth(), image.GetHeight(), 1 ); + + 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; @@ -80,56 +108,64 @@ bool wxMask::Create( const wxBitmap& bitmap, 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_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; 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; - } + 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; } @@ -139,22 +175,22 @@ bool wxMask::Create( const wxBitmap& bitmap, gdk_gc_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 ) { @@ -164,21 +200,21 @@ bool wxMask::Create( const wxBitmap& 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.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( 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.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() ); gdk_gc_unref( gc ); - return TRUE; + return true; } GdkBitmap *wxMask::GetBitmap() const @@ -198,6 +234,7 @@ public: GdkPixmap *m_pixmap; GdkBitmap *m_bitmap; + GdkPixbuf *m_pixbuf; wxMask *m_mask; int m_width; int m_height; @@ -209,6 +246,7 @@ wxBitmapRefData::wxBitmapRefData() { m_pixmap = (GdkPixmap *) NULL; m_bitmap = (GdkBitmap *) NULL; + m_pixbuf = (GdkPixbuf *) NULL; m_mask = (wxMask *) NULL; m_width = 0; m_height = 0; @@ -218,10 +256,16 @@ wxBitmapRefData::wxBitmapRefData() 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) + gdk_pixmap_unref( m_pixmap ); + if (m_bitmap) + gdk_bitmap_unref( m_bitmap ); + if (m_pixbuf) + gdk_pixbuf_unref( m_pixbuf ); + delete m_mask; +#if wxUSE_PALETTE + delete m_palette; +#endif // wxUSE_PALETTE } //----------------------------------------------------------------------------- @@ -232,18 +276,29 @@ 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 ); +} - GdkWindow *parent = (GdkWindow*) &gdk_root_parent; - if (depth == -1) depth = gdk_window_get_visual( parent )->depth; +bool wxBitmap::Create( int width, int height, int depth ) +{ + UnRef(); + + if ( width <= 0 || height <= 0 ) + { + return false; + } + + GdkVisual *visual = wxTheApp->GetGdkVisual(); - wxCHECK_RET( (depth == gdk_window_get_visual( parent )->depth) || - (depth == 1), wxT("invalid bitmap depth") ) + 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; @@ -251,30 +306,39 @@ 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( wxGetRootWindow()->window, width, height, 1 ); M_BMPDATA->m_bpp = 1; } + else if (depth == 32) + { + M_BMPDATA->m_pixbuf = gdk_pixbuf_new( GDK_COLORSPACE_RGB, true, + 8, width, height); + M_BMPDATA->m_bpp = 32; + } else { - M_BMPDATA->m_pixmap = gdk_pixmap_new( parent, width, height, depth ); - M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; + M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth ); + M_BMPDATA->m_bpp = visual->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; - 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( 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) { @@ -284,67 +348,863 @@ bool wxBitmap::CreateFromXpm( const 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; // ? - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + 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; + + 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 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)); + + // 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); - return TRUE; + 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 + { + if (image.HasAlpha()) + return CreateFromImageAsPixbuf(image); + + return CreateFromImageAsPixmap(image); + } +} + +// conversion to mono bitmap: +bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img) +{ + // 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; +} + +// conversion to colour bitmap: +bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img) +{ + // 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 ); + break; + } + 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; +} + +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; +} + +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 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 ); - - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); } -wxBitmap::wxBitmap( const wxString &filename, int type ) +wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type ) { LoadFile( filename, type ); - - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); } wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth)) { - m_refData = new wxBitmapRefData(); - - M_BMPDATA->m_mask = (wxMask *) 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; + if ( width > 0 && height > 0 ) + { + m_refData = new wxBitmapRefData(); - wxCHECK_RET( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") ); + 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() { - if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this); } wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp ) { - if (*this == bmp) return (*this); - Ref( bmp ); + if ( m_refData != bmp.m_refData ) + Ref( bmp ); + return *this; } -bool wxBitmap::operator == ( const wxBitmap& bmp ) +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_bitmap || M_BMPDATA->m_pixmap + ); } int wxBitmap::GetHeight() const @@ -384,72 +1244,108 @@ void wxBitmap::SetMask( wxMask *mask ) 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() && - (rect.x >= 0) && (rect.y >= 0) && - (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height), + (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()) + + 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.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; - GdkWindow *parent = (GdkWindow*) &gdk_root_parent; - mask->m_bitmap = gdk_pixmap_new( parent, 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 ); - - ret.SetMask( mask ); + 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, 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) { 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 + ( + wxGetRootWindow()->window, + &mask, + NULL, + name.fn_str() + ); if (mask) { @@ -458,64 +1354,271 @@ 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 // 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); +} + +void wxBitmap::SetBitmap( GdkPixmap *bitmap ) +{ + if (!m_refData) + m_refData = new wxBitmapRefData(); + + M_BMPDATA->m_bitmap = bitmap; + 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; } +bool wxBitmap::HasPixmap() const +{ + wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); + + return M_BMPDATA->m_pixmap != NULL; +} + GdkBitmap *wxBitmap::GetBitmap() const { wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") ); return M_BMPDATA->m_bitmap; } + +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); + + // 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 +{ + 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()) + { + 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::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 ); +} + +void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data)) +{ +} + + +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 +}