X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/eefa26bed1ef371bf618b48ea1d21096e71ea465..12bb29f5432174ecbd65549bda832d70d34a98ae:/src/gtk1/bitmap.cpp diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp index 80ecdcddac..a16c5d4a5c 100644 --- a/src/gtk1/bitmap.cpp +++ b/src/gtk1/bitmap.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: bitmap.cpp +// Name: src/gtk1/bitmap.cpp // Purpose: // Author: Robert Roebling // RCS-ID: $Id$ @@ -7,18 +7,44 @@ // 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" + #include "wx/image.h" +#endif // WX_PRECOMP + #include "wx/filefn.h" -#include "wx/image.h" -#include "gdk/gdk.h" -#include "gdk/gdkprivate.h" -#include "gdk/gdkx.h" +#include +#include +#include + +#include + +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 @@ -28,118 +54,345 @@ IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject) wxMask::wxMask() { - m_bitmap = (GdkBitmap *) NULL; + m_bitmap = NULL; } -wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) ) +wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) { + m_bitmap = NULL; + Create( bitmap, colour ); } -wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex) ) +#if wxUSE_PALETTE +wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex ) { + m_bitmap = NULL; + Create( bitmap, paletteIndex ); } +#endif // wxUSE_PALETTE -wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) ) +wxMask::wxMask( const wxBitmap& bitmap ) { + m_bitmap = NULL; + Create( bitmap ); } wxMask::~wxMask() { - if (m_bitmap) gdk_bitmap_unref( m_bitmap ); + if (m_bitmap) + gdk_bitmap_unref( m_bitmap ); +} + +bool wxMask::Create( const wxBitmap& bitmap, + const wxColour& colour ) +{ + if (m_bitmap) + { + gdk_bitmap_unref( m_bitmap ); + m_bitmap = NULL; + } + + wxImage image = bitmap.ConvertToImage(); + if (!image.IsOk()) 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; +} + +#if wxUSE_PALETTE +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)); +} +#endif // wxUSE_PALETTE + +bool wxMask::Create( const wxBitmap& bitmap ) +{ + if (m_bitmap) + { + gdk_bitmap_unref( m_bitmap ); + m_bitmap = NULL; + } + + if (!bitmap.IsOk()) 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; } + //----------------------------------------------------------------------------- -// wxBitmap +// wxBitmapRefData //----------------------------------------------------------------------------- -class wxBitmapRefData: public wxObjectRefData +class wxBitmapRefData : public wxGDIRefData { public: - wxBitmapRefData(void); - ~wxBitmapRefData(void); - - GdkPixmap *m_pixmap; - GdkBitmap *m_bitmap; - wxMask *m_mask; - int m_width; - int m_height; - int m_bpp; - wxPalette *m_palette; + wxBitmapRefData(); + wxBitmapRefData(const wxBitmapRefData& data); + bool Create(int width, int height, int bpp); + virtual ~wxBitmapRefData(); + + virtual bool IsOk() const { return m_pixmap || m_bitmap; } + + GdkPixmap *m_pixmap; + GdkBitmap *m_bitmap; + wxMask *m_mask; + int m_width; + int m_height; + int m_bpp; +#if wxUSE_PALETTE + wxPalette *m_palette; +#endif // wxUSE_PALETTE }; wxBitmapRefData::wxBitmapRefData() { - m_pixmap = (GdkPixmap *) NULL; - m_bitmap = (GdkBitmap *) NULL; - m_mask = (wxMask *) NULL; + m_pixmap = NULL; + m_bitmap = NULL; + m_mask = NULL; m_width = 0; m_height = 0; m_bpp = 0; - m_palette = (wxPalette *) NULL; +#if wxUSE_PALETTE + m_palette = NULL; +#endif // wxUSE_PALETTE +} + +wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData& data) +{ + Create(data.m_width, data.m_height, data.m_bpp); + + m_mask = data.m_mask ? new wxMask(*data.m_mask) : NULL; + +#if wxUSE_PALETTE + wxASSERT_MSG( !data.m_palette, + wxT("copying bitmaps palette not implemented") ); +#endif // wxUSE_PALETTE + + + // copy the bitmap data by simply drawing the source bitmap on this one + GdkPixmap **dst; + if ( data.m_pixmap ) + { + dst = &m_pixmap; + } + else if ( data.m_bitmap ) + { + dst = &m_bitmap; + } + else // invalid bitmap? + { + return; + } + + GdkGC *gc = gdk_gc_new(*dst); + if ( m_bpp == 1 ) + { + gdk_wx_draw_bitmap(m_bitmap, gc, data.m_bitmap, 0, 0, 0, 0, -1, -1); + } + else // colour pixmap + { + gdk_draw_pixmap(m_pixmap, gc, data.m_pixmap, 0, 0, 0, 0, -1, -1); + } + + gdk_gc_unref(gc); +} + +bool wxBitmapRefData::Create(int width, int height, int bpp) +{ + m_width = width; + m_height = height; + m_bpp = bpp; + + m_mask = NULL; +#if wxUSE_PALETTE + m_palette = NULL; +#endif + + // to understand how this compiles you should know that GdkPixmap and + // GdkBitmap are one and the same type in GTK+ 1 + GdkPixmap **ppix; + if ( m_bpp != 1 ) + { + const GdkVisual * const visual = wxTheApp->GetGdkVisual(); + + wxCHECK_MSG( (bpp == -1) || (bpp == visual->depth) || (bpp == 32), false, + wxT("invalid bitmap depth") ); + + m_bpp = visual->depth; + + ppix = &m_pixmap; + m_bitmap = NULL; + } + else // mono bitmap + { + ppix = &m_bitmap; + m_pixmap = NULL; + } + + *ppix = gdk_pixmap_new( wxGetRootWindow()->window, width, height, m_bpp ); + + return *ppix != NULL; } 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 ); + delete m_mask; +#if wxUSE_PALETTE + delete m_palette; +#endif // wxUSE_PALETTE } + +//----------------------------------------------------------------------------- +// wxBitmap //----------------------------------------------------------------------------- #define M_BMPDATA ((wxBitmapRefData *)m_refData) IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject) -wxBitmap::wxBitmap() +wxGDIRefData *wxBitmap::CreateGDIRefData() const { - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + return new wxBitmapRefData; } -wxBitmap::wxBitmap( int width, int height, int depth ) +wxGDIRefData *wxBitmap::CloneGDIRefData(const wxGDIRefData *data) const { - wxCHECK_RET( (width > 0) && (height > 0), _T("invalid bitmap size") ) - - GdkWindow *parent = (GdkWindow*) &gdk_root_parent; - if (depth == -1) depth = gdk_window_get_visual( parent )->depth; - - wxCHECK_RET( (depth == gdk_window_get_visual( parent )->depth) || - (depth == 1), _T("invalid bitmap depth") ) + return new wxBitmapRefData(*static_cast(data)); +} - 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( parent, width, height, 1 ); - M_BMPDATA->m_bpp = 1; - } - else +bool wxBitmap::Create( int width, int height, int depth ) +{ + UnRef(); + + if ( width <= 0 || height <= 0 ) { - M_BMPDATA->m_pixmap = gdk_pixmap_new( parent, width, height, depth ); - M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; + return false; } - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + m_refData = new wxBitmapRefData(); + return M_BMPDATA->Create(width, height, depth); } -wxBitmap::wxBitmap( const char **bits ) +wxBitmap::wxBitmap(const char* const* bits) { - wxCHECK_RET( bits != NULL, _T("invalid bitmap data") ) + wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data")); + + GdkVisual *visual = wxTheApp->GetGdkVisual(); m_refData = new wxBitmapRefData(); - GdkBitmap *mask = (GdkBitmap*) NULL; - GdkWindow *parent = (GdkWindow*) &gdk_root_parent; + GdkBitmap *mask = NULL; + + M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits ); - M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits ); + wxCHECK2_MSG(M_BMPDATA->m_pixmap, return, wxT("couldn't create pixmap")); if (mask) { @@ -149,156 +402,865 @@ wxBitmap::wxBitmap( 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() ? } -wxBitmap::wxBitmap( char **bits ) +wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy ) { - wxCHECK_RET( bits != NULL, _T("invalid bitmap data") ) + wxCHECK_MSG( IsOk(), wxNullBitmap, wxT("invalid bitmap") ); - m_refData = new wxBitmapRefData(); + if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height) + return *this; - GdkBitmap *mask = (GdkBitmap*) NULL; - GdkWindow *parent = (GdkWindow*) &gdk_root_parent; + int width = wxMax(newx, 1); + int height = wxMax(newy, 1); + width = wxMin(width, clipwidth); + height = wxMin(height, clipheight); - M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits ); + wxBitmap bmp; - wxCHECK_RET( M_BMPDATA->m_pixmap, _T("couldn't create pixmap") ); + GdkImage *img = 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") ); - if (mask) + wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") ); + + int bpp = -1; + + + GdkGC *gc = NULL; + GdkPixmap *dstpix = NULL; + if (GetPixmap()) { - M_BMPDATA->m_mask = new wxMask(); - M_BMPDATA->m_mask->m_bitmap = mask; + 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 ); } - gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); + char *dst = NULL; + long dstbyteperline = 0; - M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; // ? - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); -} + 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); + } -wxBitmap::wxBitmap( const wxBitmap& bmp ) -{ - Ref( bmp ); + // 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; - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + 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; } -wxBitmap::wxBitmap( const wxString &filename, int type ) +bool wxBitmap::CreateFromImage(const wxImage& image, int depth) { - LoadFile( filename, type ); + UnRef(); + + wxCHECK_MSG( image.IsOk(), 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 + { + 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( (GdkWindow*) &gdk_root_parent, (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 ); + + 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 - wxCHECK_RET( M_BMPDATA->m_bitmap, _T("couldn't create bitmap") ); + GdkImage *mask_image = NULL; - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + 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() +// 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 ); + + 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 = 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; } -wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp ) +wxImage wxBitmap::ConvertToImage() const { - if (*this == bmp) return (*this); - Ref( bmp ); - return *this; + wxImage image; + + wxCHECK_MSG( IsOk(), wxNullImage, wxT("invalid bitmap") ); + + image.Create(GetWidth(), GetHeight()); + unsigned char *data = image.GetData(); + + if (!data) + { + wxFAIL_MSG( wxT("couldn't create image") ); + return wxNullImage; + } + + // 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 = 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 = 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; } -bool wxBitmap::operator == ( const wxBitmap& bmp ) +wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type ) { - return m_refData == bmp.m_refData; + LoadFile( filename, type ); } -bool wxBitmap::operator != ( const wxBitmap& bmp ) +wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth)) { - return m_refData != bmp.m_refData; + if ( width > 0 && height > 0 ) + { + m_refData = new wxBitmapRefData(); + + M_BMPDATA->m_mask = 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; + + wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") ); + } } -bool wxBitmap::Ok(void) const +wxBitmap::~wxBitmap() { - return (m_refData != NULL); } -int wxBitmap::GetHeight(void) const +int wxBitmap::GetHeight() const { - wxCHECK_MSG( Ok(), -1, _T("invalid bitmap") ); + wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") ); return M_BMPDATA->m_height; } -int wxBitmap::GetWidth(void) const +int wxBitmap::GetWidth() const { - wxCHECK_MSG( Ok(), -1, _T("invalid bitmap") ); + wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") ); return M_BMPDATA->m_width; } -int wxBitmap::GetDepth(void) const +int wxBitmap::GetDepth() const { - wxCHECK_MSG( Ok(), -1, _T("invalid bitmap") ); + wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") ); return M_BMPDATA->m_bpp; } -wxMask *wxBitmap::GetMask(void) const +wxMask *wxBitmap::GetMask() const { - wxCHECK_MSG( Ok(), (wxMask *) NULL, _T("invalid bitmap") ); + wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") ); return M_BMPDATA->m_mask; } void wxBitmap::SetMask( wxMask *mask ) { - wxCHECK_RET( Ok(), _T("invalid bitmap") ); + wxCHECK_RET( IsOk(), wxT("invalid bitmap") ); + AllocExclusive(); if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; M_BMPDATA->m_mask = mask; } -bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) ) +bool wxBitmap::CopyFromIcon(const wxIcon& icon) +{ + *this = icon; + return true; +} + +wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const { - wxCHECK_MSG( Ok(), FALSE, _T("invalid bitmap") ); + wxCHECK_MSG( IsOk() && + (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.IsOk(), wxT("GetSubBitmap error") ); + + if (ret.GetPixmap()) + { + GdkGC *gc = gdk_gc_new( ret.GetPixmap() ); + gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); + gdk_gc_destroy( gc ); + } + else + { + GdkGC *gc = gdk_gc_new( ret.GetBitmap() ); + 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 (type == wxBITMAP_TYPE_PNG) + if (GetMask()) { - wxImage image( *this ); - if (image.Ok()) return image.SaveFile( name, type ); + 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 FALSE; + return ret; } -bool wxBitmap::LoadFile( const wxString &name, int type ) +bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const +{ + wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") ); + + // Try to save the bitmap via wxImage handlers: + { + wxImage image = ConvertToImage(); + if (image.IsOk()) return image.SaveFile( name, type ); + } + + return false; +} + +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; + GdkBitmap *mask = NULL; - 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) { @@ -307,71 +1269,106 @@ 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; - } - else if (type == wxBITMAP_TYPE_PNG) - { - wxImage image; - image.LoadFile( name, type ); - if (image.Ok()) *this = image.ConvertToBitmap(); + + M_BMPDATA->m_bpp = visual->depth; } - else if (type == wxBITMAP_TYPE_BMP) + else // try if wxImage can load it { wxImage image; - image.LoadFile( name, type ); - if (image.Ok()) *this = image.ConvertToBitmap(); + if ( !image.LoadFile( name, type ) || !image.IsOk() ) + return false; + + *this = wxBitmap(image); } - else - return FALSE; - return TRUE; + return true; } -wxPalette *wxBitmap::GetPalette(void) const +#if wxUSE_PALETTE +wxPalette *wxBitmap::GetPalette() const { - if (!Ok()) return (wxPalette *) NULL; + if (!IsOk()) + return NULL; return M_BMPDATA->m_palette; } -void wxBitmap::SetHeight( int height ) +void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette)) { - if (!m_refData) m_refData = new wxBitmapRefData(); + // TODO +} +#endif // wxUSE_PALETTE +void wxBitmap::SetHeight( int height ) +{ + AllocExclusive(); M_BMPDATA->m_height = height; } void wxBitmap::SetWidth( int width ) { - if (!m_refData) m_refData = new wxBitmapRefData(); - + AllocExclusive(); M_BMPDATA->m_width = width; } void wxBitmap::SetDepth( int depth ) { - if (!m_refData) m_refData = new wxBitmapRefData(); - + AllocExclusive(); 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; } -GdkPixmap *wxBitmap::GetPixmap(void) const +void wxBitmap::SetBitmap( GdkPixmap *bitmap ) +{ + if (!m_refData) + m_refData = new wxBitmapRefData(); + + M_BMPDATA->m_bitmap = bitmap; +} + +GdkPixmap *wxBitmap::GetPixmap() const { - wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, _T("invalid bitmap") ); + wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") ); return M_BMPDATA->m_pixmap; } -GdkBitmap *wxBitmap::GetBitmap(void) const +bool wxBitmap::HasPixmap() const +{ + wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") ); + + return M_BMPDATA->m_pixmap != NULL; +} + +GdkBitmap *wxBitmap::GetBitmap() const { - wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, _T("invalid bitmap") ); + wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") ); return M_BMPDATA->m_bitmap; } + +void *wxBitmap::GetRawData(wxPixelDataBase& WXUNUSED(data), int WXUNUSED(bpp)) +{ + return NULL; +} + +void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data)) +{ +} + +bool wxBitmap::HasAlpha() const +{ + return false; +} + +/* static */ void wxBitmap::InitStandardHandlers() +{ + // TODO: Insert handler based on GdkPixbufs handler later +}