X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b63b07a809f9a3d22596d4971ef5c8971153823a..cb6b81bc94108bcb0a702ac5fdaf4944fa7706a0:/src/gtk1/bitmap.cpp diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp index de3d7c1f67..4622f1a9ed 100644 --- a/src/gtk1/bitmap.cpp +++ b/src/gtk1/bitmap.cpp @@ -1,55 +1,43 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: bitmap.cpp +// Name: src/gtk1/bitmap.cpp // Purpose: // Author: Robert Roebling -// RCS-ID: $Id$ // Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "bitmap.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" -#include "wx/defs.h" - -#include "wx/palette.h" #include "wx/bitmap.h" -#include "wx/icon.h" -#include "wx/filefn.h" -#include "wx/image.h" -#include "wx/dcmemory.h" -#include "wx/app.h" -#ifdef __WXGTK20__ - // need this to get gdk_image_new_bitmap() - #define GDK_ENABLE_BROKEN -#endif +#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 #include #include -#ifdef __WXGTK20__ - #include -#else // GTK+ 1.2 - #include -#endif // GTK+ 2.0/1.2 +#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); +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 @@ -65,24 +53,26 @@ IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject) wxMask::wxMask() { - m_bitmap = (GdkBitmap *) NULL; + m_bitmap = NULL; } wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) { - m_bitmap = (GdkBitmap *) NULL; + m_bitmap = NULL; Create( bitmap, colour ); } +#if wxUSE_PALETTE wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex ) { - m_bitmap = (GdkBitmap *) NULL; + m_bitmap = NULL; Create( bitmap, paletteIndex ); } +#endif // wxUSE_PALETTE wxMask::wxMask( const wxBitmap& bitmap ) { - m_bitmap = (GdkBitmap *) NULL; + m_bitmap = NULL; Create( bitmap ); } @@ -98,11 +88,11 @@ bool wxMask::Create( const wxBitmap& bitmap, if (m_bitmap) { gdk_bitmap_unref( m_bitmap ); - m_bitmap = (GdkBitmap*) NULL; + m_bitmap = NULL; } wxImage image = bitmap.ConvertToImage(); - if (!image.Ok()) return FALSE; + if (!image.IsOk()) return false; m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 ); GdkGC *gc = gdk_gc_new( m_bitmap ); @@ -182,36 +172,38 @@ bool wxMask::Create( const wxBitmap& bitmap, gdk_gc_unref( gc ); - return TRUE; + 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") ); + 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 = (GdkBitmap*) NULL; + m_bitmap = NULL; } - if (!bitmap.Ok()) return FALSE; + if (!bitmap.IsOk()) 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( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 ); - if (!m_bitmap) return FALSE; + if (!m_bitmap) return false; GdkGC *gc = gdk_gc_new( m_bitmap ); @@ -219,7 +211,7 @@ bool wxMask::Create( const wxBitmap& bitmap ) gdk_gc_unref( gc ); - return TRUE; + return true; } GdkBitmap *wxMask::GetBitmap() const @@ -227,15 +219,20 @@ GdkBitmap *wxMask::GetBitmap() const return m_bitmap; } + //----------------------------------------------------------------------------- -// wxBitmap +// wxBitmapRefData //----------------------------------------------------------------------------- -class wxBitmapRefData: public wxObjectRefData +class wxBitmapRefData : public wxGDIRefData { public: wxBitmapRefData(); - ~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; @@ -243,18 +240,99 @@ public: 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() @@ -264,22 +342,28 @@ wxBitmapRefData::~wxBitmapRefData() 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 { + return new wxBitmapRefData; } -wxBitmap::wxBitmap( int width, int height, int depth ) +wxGDIRefData *wxBitmap::CloneGDIRefData(const wxGDIRefData *data) const { - Create( width, height, depth ); + return new wxBitmapRefData(*static_cast(data)); } bool wxBitmap::Create( int width, int height, int depth ) @@ -291,47 +375,23 @@ bool wxBitmap::Create( int width, int height, int depth ) return false; } - GdkVisual *visual = wxTheApp->GetGdkVisual(); - - if (depth == -1) - depth = visual->depth; - - wxCHECK_MSG( (depth == visual->depth) || (depth == 1), FALSE, - wxT("invalid bitmap depth") ) - m_refData = new wxBitmapRefData(); - M_BMPDATA->m_mask = (wxMask *) NULL; - M_BMPDATA->m_width = width; - M_BMPDATA->m_height = height; - if (depth == 1) - { - M_BMPDATA->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); - M_BMPDATA->m_bpp = 1; - } - else - { - M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth ); - M_BMPDATA->m_bpp = visual->depth; - } - - return Ok(); + return M_BMPDATA->Create(width, height, depth); } -bool wxBitmap::CreateFromXpm( const char **bits ) +wxBitmap::wxBitmap(const char* const* bits) { - UnRef(); - - wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") ) + wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data")); GdkVisual *visual = wxTheApp->GetGdkVisual(); m_refData = new wxBitmapRefData(); - GdkBitmap *mask = (GdkBitmap*) NULL; + GdkBitmap *mask = NULL; M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits ); - wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") ); + wxCHECK2_MSG(M_BMPDATA->m_pixmap, return, wxT("couldn't create pixmap")); if (mask) { @@ -342,18 +402,23 @@ 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 = 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") ); + wxCHECK_MSG( IsOk(), wxNullBitmap, wxT("invalid bitmap") ); if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height) return *this; - - GdkImage *img = (GdkImage*) NULL; + + int width = wxMax(newx, 1); + int height = wxMax(newy, 1); + width = wxMin(width, clipwidth); + height = wxMin(height, clipheight); + + wxBitmap bmp; + + GdkImage *img = NULL; if (GetPixmap()) img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() ); else if (GetBitmap()) @@ -363,14 +428,9 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") ); - wxBitmap bmp; int bpp = -1; - int width = wxMax(newx, 1); - int height = wxMax(newy, 1); - width = wxMin(width, clipwidth); - height = wxMin(height, clipheight); - + GdkGC *gc = NULL; GdkPixmap *dstpix = NULL; if (GetPixmap()) @@ -387,7 +447,7 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, char *dst = NULL; long dstbyteperline = 0; - + if (GetBitmap()) { bpp = 1; @@ -396,7 +456,7 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, 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; @@ -429,16 +489,16 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, old_pixval = pixval; old_x = x; } - + if (bpp == 1) { if (!pixval) { char bit=1; - char shift = bit << w % 8; + char shift = bit << (w % 8); outbyte |= shift; } - + if ((w+1)%8==0) { dst[h*dstbyteperline+w/8] = outbyte; @@ -453,12 +513,12 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, 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 ); @@ -467,7 +527,7 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, bmp = wxBitmap( (const char *)dst, width, height, 1 ); free( dst ); } - + if (GetMask()) { dstbyteperline = width/8; @@ -481,7 +541,7 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, char outbyte = 0; int old_x = -1; guint32 old_pixval = 0; - + for (int w = 0; w < width; w++) { guint32 pixval; @@ -494,21 +554,21 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, old_pixval = pixval; old_x = x; } - + if (pixval) { char bit=1; - char shift = bit << w % 8; + 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; @@ -523,377 +583,407 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, free( tablex ); free( tabley ); - - return bmp; + + return bmp; } -bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) +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") ) + wxCHECK_MSG( image.IsOk(), false, wxT("invalid image") ); + wxCHECK_MSG( depth == -1 || depth == 1, false, wxT("invalid bitmap depth") ); - int width = image.GetWidth(); - int height = image.GetHeight(); + if (image.GetWidth() <= 0 || image.GetHeight() <= 0) + return false; - if ( width <= 0 || height <= 0 ) + m_refData = new wxBitmapRefData(); + + if (depth == 1) { - return false; + return CreateFromImageAsBitmap(image); } + else + { + return CreateFromImageAsPixmap(image); + } +} - m_refData = new wxBitmapRefData(); +// 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 ); - // ------ - // conversion to mono bitmap: - // ------ - if (depth == 1) - { - SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) ); + SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) ); - SetDepth( 1 ); + SetDepth( 1 ); - GdkVisual *visual = wxTheApp->GetGdkVisual(); + GdkVisual *visual = wxTheApp->GetGdkVisual(); - // Create picture image + // Create picture image - unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); + unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); - GdkImage *data_image = - gdk_image_new_bitmap( visual, data_data, width, height ); + GdkImage *data_image = + gdk_image_new_bitmap( visual, data_data, width, height ); - // Create mask image + // Create mask image - GdkImage *mask_image = (GdkImage*) NULL; + GdkImage *mask_image = NULL; - if (image.HasMask()) - { - unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); + 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 ); + 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 ); + wxMask *mask = new wxMask(); + mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); - SetMask( mask ); - } + SetMask( mask ); + } - int r_mask = image.GetMaskRed(); - int g_mask = image.GetMaskGreen(); - int b_mask = image.GetMaskBlue(); + int r_mask = image.GetMaskRed(); + int g_mask = image.GetMaskGreen(); + int b_mask = image.GetMaskBlue(); - unsigned char* data = image.GetData(); + unsigned char* data = image.GetData(); - int index = 0; - for (int y = 0; y < height; y++) + int index = 0; + for (int y = 0; y < height; y++) + { + for (int x = 0; x < width; x++) { - 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()) { - 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 ); + if ((r == r_mask) && (b == b_mask) && (g == g_mask)) + gdk_image_put_pixel( mask_image, x, y, 1 ); else - gdk_image_put_pixel( data_image, x, y, 0 ); + gdk_image_put_pixel( mask_image, x, y, 0 ); + } - } // for - } // for + 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 ); - // Blit picture + } // for + } // for - GdkGC *data_gc = gdk_gc_new( GetBitmap() ); + // Blit picture - gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); + GdkGC *data_gc = gdk_gc_new( GetBitmap() ); - gdk_image_destroy( data_image ); - gdk_gc_unref( data_gc ); + gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); - // Blit mask + gdk_image_destroy( data_image ); + gdk_gc_unref( data_gc ); - if (image.HasMask()) - { - GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); + // Blit mask - gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); + if (image.HasMask()) + { + GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); - gdk_image_destroy( mask_image ); - gdk_gc_unref( mask_gc ); - } + 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 ); } - // ------ - // conversion to colour bitmap: - // ------ - else - { - SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) ); + return true; +} - GdkVisual *visual = wxTheApp->GetGdkVisual(); +// 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 bpp = visual->depth; + int width = image.GetWidth(); + int height = image.GetHeight(); - SetDepth( bpp ); + SetHeight( height ); + SetWidth( width ); - if ((bpp == 16) && (visual->red_mask != 0xf800)) - bpp = 15; - else if (bpp < 8) - bpp = 8; + SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) ); + + GdkVisual *visual = wxTheApp->GetGdkVisual(); + + int bpp = visual->depth; - // 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. + 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)) + if (!image.HasMask() && (bpp > 16)) #else - if (!image.HasMask() && (bpp > 12)) + if (!image.HasMask() && (bpp > 12)) #endif - { - static bool s_hasInitialized = FALSE; + { + static bool s_hasInitialized = false; - if (!s_hasInitialized) - { - gdk_rgb_init(); - s_hasInitialized = TRUE; - } + if (!s_hasInitialized) + { + gdk_rgb_init(); + s_hasInitialized = true; + } - GdkGC *gc = gdk_gc_new( GetPixmap() ); + 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_draw_rgb_image( GetPixmap(), + gc, + 0, 0, + width, height, + GDK_RGB_DITHER_NONE, + image.GetData(), + width*3 ); - gdk_gc_unref( gc ); - return TRUE; - } + gdk_gc_unref( gc ); + return true; + } - // Create picture image + // Create picture image - GdkImage *data_image = - gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height ); + GdkImage *data_image = + gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height ); - // Create mask image + // Create mask image - GdkImage *mask_image = (GdkImage*) NULL; + GdkImage *mask_image = NULL; - if (image.HasMask()) - { - unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); + 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 ); + 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 ); + wxMask *mask = new wxMask(); + mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); - SetMask( mask ); - } + SetMask( mask ); + } - // Render + // Render - enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; - byte_order b_o = RGB; + 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; - } + 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(); + int r_mask = image.GetMaskRed(); + int g_mask = image.GetMaskGreen(); + int b_mask = image.GetMaskBlue(); - unsigned char* data = image.GetData(); + unsigned char* data = image.GetData(); - int index = 0; - for (int y = 0; y < height; y++) + int index = 0; + for (int y = 0; y < height; y++) + { + for (int x = 0; x < width; x++) { - 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()) { - 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 == 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) + switch (bpp) + { + case 8: { - case 8: + int pixel = -1; + if (wxTheApp->m_colorCube) { - int pixel = -1; - if (wxTheApp->m_colorCube) - { - pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; - } - else + 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++) { - 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; } - } + 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 ); + gdk_image_put_pixel( data_image, x, y, pixel ); - break; - } - case 12: // SGI only + break; + } + case 12: // SGI only + { + guint32 pixel = 0; + switch (b_o) { - 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 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; } - case 15: + gdk_image_put_pixel( data_image, x, y, pixel ); + break; + } + case 15: + { + guint32 pixel = 0; + switch (b_o) { - 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 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; } - case 16: + 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) { - // 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 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; } - case 32: - case 24: + gdk_image_put_pixel( data_image, x, y, pixel ); + break; + } + case 32: + case 24: + { + guint32 pixel = 0; + switch (b_o) { - 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 ); + 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; } - default: break; + gdk_image_put_pixel( data_image, x, y, pixel ); + break; } - } // for - } // for + default: break; + } + } // for + } // for - // Blit picture + // Blit picture - GdkGC *data_gc = gdk_gc_new( GetPixmap() ); + GdkGC *data_gc = gdk_gc_new( GetPixmap() ); - gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); + gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); - gdk_image_destroy( data_image ); - gdk_gc_unref( data_gc ); + gdk_image_destroy( data_image ); + gdk_gc_unref( data_gc ); - // Blit mask + // Blit mask - if (image.HasMask()) - { - GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); + 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_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); - gdk_image_destroy( mask_image ); - gdk_gc_unref( mask_gc ); - } + gdk_image_destroy( mask_image ); + gdk_gc_unref( mask_gc ); } - return TRUE; + return true; } wxImage wxBitmap::ConvertToImage() const { - // the colour used as transparent one in wxImage and the one it is replaced - // with when it really occurs in the bitmap + 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; - wxImage image; - - wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); + GdkImage *gdk_image = NULL; - GdkImage *gdk_image = (GdkImage*) NULL; - if (GetPixmap()) + if (HasPixmap()) { gdk_image = gdk_image_get( GetPixmap(), - 0, 0, - GetWidth(), GetHeight() ); + 0, 0, + GetWidth(), GetHeight() ); } else if (GetBitmap()) { gdk_image = gdk_image_get( GetBitmap(), - 0, 0, - GetWidth(), GetHeight() ); + 0, 0, + GetWidth(), GetHeight() ); } else { @@ -902,17 +992,7 @@ wxImage wxBitmap::ConvertToImage() const wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") ); - image.Create( GetWidth(), GetHeight() ); - char unsigned *data = image.GetData(); - - if (!data) - { - gdk_image_destroy( gdk_image ); - wxFAIL_MSG( wxT("couldn't create image") ); - return wxNullImage; - } - - GdkImage *gdk_image_mask = (GdkImage*) NULL; + GdkImage *gdk_image_mask = NULL; if (GetMask()) { gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(), @@ -929,7 +1009,7 @@ wxImage wxBitmap::ConvertToImage() const int red_shift_left = 0; int green_shift_left = 0; int blue_shift_left = 0; - bool use_shift = FALSE; + bool use_shift = false; if (GetPixmap()) { @@ -1022,13 +1102,7 @@ wxImage wxBitmap::ConvertToImage() const return image; } -wxBitmap::wxBitmap( const wxBitmap& bmp ) - : wxGDIObject() -{ - Ref( bmp ); -} - -wxBitmap::wxBitmap( const wxString &filename, int type ) +wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type ) { LoadFile( filename, type ); } @@ -1039,7 +1113,7 @@ 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_mask = NULL; M_BMPDATA->m_bitmap = gdk_bitmap_create_from_data ( wxGetRootWindow()->window, @@ -1059,61 +1133,39 @@ wxBitmap::~wxBitmap() { } -wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp ) -{ - if ( m_refData != bmp.m_refData ) - Ref( bmp ); - - return *this; -} - -bool wxBitmap::operator == ( const wxBitmap& bmp ) const -{ - return m_refData == bmp.m_refData; -} - -bool wxBitmap::operator != ( const wxBitmap& bmp ) const -{ - return m_refData != bmp.m_refData; -} - -bool wxBitmap::Ok() const -{ - return (m_refData != NULL) && (M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap); -} - int wxBitmap::GetHeight() const { - wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); + wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") ); return M_BMPDATA->m_height; } int wxBitmap::GetWidth() const { - wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); + wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") ); return M_BMPDATA->m_width; } int wxBitmap::GetDepth() const { - wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); + wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") ); return M_BMPDATA->m_bpp; } wxMask *wxBitmap::GetMask() const { - wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") ); + wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") ); return M_BMPDATA->m_mask; } void wxBitmap::SetMask( wxMask *mask ) { - wxCHECK_RET( Ok(), wxT("invalid bitmap") ); + wxCHECK_RET( IsOk(), wxT("invalid bitmap") ); + AllocExclusive(); if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; M_BMPDATA->m_mask = mask; @@ -1122,18 +1174,18 @@ void wxBitmap::SetMask( wxMask *mask ) bool wxBitmap::CopyFromIcon(const wxIcon& icon) { *this = icon; - return TRUE; + return true; } wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const { - wxCHECK_MSG( Ok() && + 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.Ok(), wxT("GetSubBitmap error") ); + wxASSERT_MSG( ret.IsOk(), wxT("GetSubBitmap error") ); if (ret.GetPixmap()) { @@ -1173,25 +1225,25 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const 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( IsOk(), false, wxT("invalid bitmap") ); // Try to save the bitmap via wxImage handlers: { wxImage image = ConvertToImage(); - if (image.Ok()) return image.SaveFile( name, type ); + if (image.IsOk()) 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; + return false; GdkVisual *visual = wxTheApp->GetGdkVisual(); @@ -1199,7 +1251,7 @@ bool wxBitmap::LoadFile( const wxString &name, int type ) { m_refData = new wxBitmapRefData(); - GdkBitmap *mask = (GdkBitmap*) NULL; + GdkBitmap *mask = NULL; M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm ( @@ -1222,44 +1274,45 @@ bool wxBitmap::LoadFile( const wxString &name, int type ) else // try if wxImage can load it { wxImage image; - if ( !image.LoadFile( name, type ) || !image.Ok() ) - return FALSE; + if ( !image.LoadFile( name, type ) || !image.IsOk() ) + return false; *this = wxBitmap(image); } - return TRUE; + return true; } +#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; } @@ -1281,14 +1334,40 @@ void wxBitmap::SetBitmap( GdkPixmap *bitmap ) GdkPixmap *wxBitmap::GetPixmap() const { - wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") ); + wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") ); return M_BMPDATA->m_pixmap; } +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, wxT("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 +}