X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7ecb8b06ade47981aa828a3f7fb4278f822456d3..5dafb071ba85e7329aa4a0ac176f3ec8e13e55dc:/src/gtk1/bitmap.cpp diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp index 1f62c2a11b..1e7534bcc2 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: $Id$ @@ -7,37 +7,38 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "bitmap.h" -#endif - -#include "wx/defs.h" +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" -#include "wx/palette.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 "wx/dcmemory.h" -#include "wx/app.h" #include #include #include -#if (GTK_MINOR_VERSION > 0) #include -#endif -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 @@ -62,11 +63,13 @@ 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 ) { @@ -89,8 +92,8 @@ bool wxMask::Create( const wxBitmap& bitmap, m_bitmap = (GdkBitmap*) NULL; } - wxImage image( bitmap ); - if (!image.Ok()) return FALSE; + wxImage image = bitmap.ConvertToImage(); + if (!image.Ok()) return false; m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 ); GdkGC *gc = gdk_gc_new( m_bitmap ); @@ -111,23 +114,29 @@ bool wxMask::Create( const wxBitmap& bitmap, unsigned char green = colour.Green(); unsigned char blue = colour.Blue(); - GdkVisual *visual = gdk_window_get_visual( wxGetRootWindow()->window ); - wxASSERT( visual ); + 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; green = green & 0xf8; blue = blue & 0xf8; } - if (bpp == 16) + 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; @@ -164,20 +173,22 @@ 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 ) { @@ -187,13 +198,13 @@ 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( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 ); - if (!m_bitmap) return FALSE; + if (!m_bitmap) return false; GdkGC *gc = gdk_gc_new( m_bitmap ); @@ -201,7 +212,7 @@ bool wxMask::Create( const wxBitmap& bitmap ) gdk_gc_unref( gc ); - return TRUE; + return true; } GdkBitmap *wxMask::GetBitmap() const @@ -217,7 +228,7 @@ class wxBitmapRefData: public wxObjectRefData { public: wxBitmapRefData(); - ~wxBitmapRefData(); + virtual ~wxBitmapRefData(); GdkPixmap *m_pixmap; GdkBitmap *m_bitmap; @@ -241,10 +252,14 @@ 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 ); + delete m_mask; +#if wxUSE_PALETTE + delete m_palette; +#endif // wxUSE_PALETTE } //----------------------------------------------------------------------------- @@ -266,15 +281,18 @@ bool wxBitmap::Create( int width, int height, int depth ) { UnRef(); - wxCHECK_MSG( (width > 0) && (height > 0), FALSE, wxT("invalid bitmap size") ) + if ( width <= 0 || height <= 0 ) + { + return false; + } - GdkVisual *visual = gdk_window_get_visual( wxGetRootWindow()->window ); - wxASSERT( visual ); + GdkVisual *visual = wxTheApp->GetGdkVisual(); - if (depth == -1) depth = visual->depth; + if (depth == -1) + depth = visual->depth; - wxCHECK_MSG( (depth == visual->depth) || - (depth == 1), FALSE, wxT("invalid bitmap depth") ) + wxCHECK_MSG( (depth == visual->depth) || (depth == 1) || (depth == 32), false, + wxT("invalid bitmap depth") ); m_refData = new wxBitmapRefData(); M_BMPDATA->m_mask = (wxMask *) NULL; @@ -294,12 +312,11 @@ bool wxBitmap::Create( int width, int height, int depth ) return Ok(); } -bool wxBitmap::CreateFromXpm( const char **bits ) +wxBitmap::wxBitmap(const char* const* bits) { - wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") ) + wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data")); - GdkVisual *visual = gdk_window_get_visual( wxGetRootWindow()->window ); - wxASSERT( visual ); + GdkVisual *visual = wxTheApp->GetGdkVisual(); m_refData = new wxBitmapRefData(); @@ -307,7 +324,7 @@ bool wxBitmap::CreateFromXpm( const char **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") ); + wxCHECK2_MSG(M_BMPDATA->m_pixmap, return, wxT("couldn't create pixmap")); if (mask) { @@ -317,314 +334,552 @@ 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; // ? - - return TRUE; + M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ? } -bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) +wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy ) { - wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") ) - wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") ) + wxCHECK_MSG( Ok(), wxNullBitmap, wxT("invalid bitmap") ); - m_refData = new wxBitmapRefData(); + if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height) + return *this; - // ------ - // convertion to mono bitmap: - // ------ - if (depth == 1) - { - int width = image.GetWidth(); - int height = image.GetHeight(); + int width = wxMax(newx, 1); + int height = wxMax(newy, 1); + width = wxMin(width, clipwidth); + height = wxMin(height, clipheight); - SetHeight( height ); - SetWidth( width ); + wxBitmap bmp; - SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) ); + 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") ); - SetDepth( 1 ); + wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") ); - GdkVisual *visual = gdk_window_get_visual( wxGetRootWindow()->window ); - wxASSERT( visual ); + int bpp = -1; - // Create picture image - unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); + GdkGC *gc = NULL; + GdkPixmap *dstpix = NULL; + if (GetPixmap()) + { + GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); + if (visual == NULL) + visual = wxTheApp->GetGdkVisual(); - GdkImage *data_image = - gdk_image_new_bitmap( visual, data_data, width, height ); + bpp = visual->depth; + bmp = wxBitmap(width,height,bpp); + dstpix = bmp.GetPixmap(); + gc = gdk_gc_new( dstpix ); + } - // Create mask image + char *dst = NULL; + long dstbyteperline = 0; - GdkImage *mask_image = (GdkImage*) NULL; + 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); + } - if (image.HasMask()) - { - unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * 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; - mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); + 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; + } - wxMask *mask = new wxMask(); - mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); + if (bpp == 1) + { + if (!pixval) + { + char bit=1; + char shift = bit << (w % 8); + outbyte |= shift; + } - SetMask( mask ); + 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); + } } - int r_mask = image.GetMaskRed(); - int g_mask = image.GetMaskGreen(); - int b_mask = image.GetMaskBlue(); + // 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 ); + } - unsigned char* data = image.GetData(); + 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() ); - int index = 0; - for (int y = 0; y < height; y++) + for (int h = 0; h < height; h++) { - for (int x = 0; x < width; x++) + char outbyte = 0; + int old_x = -1; + guint32 old_pixval = 0; + + for (int w = 0; w < width; w++) { - int r = data[index]; - index++; - int g = data[index]; - index++; - int b = data[index]; - index++; - - if (image.HasMask()) + guint32 pixval; + int x = tablex[w]; + if (x == old_x) + pixval = old_pixval; + else { - 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 ); + pixval = gdk_image_get_pixel( img, x, tabley[h] ); + old_pixval = pixval; + old_x = x; } - 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 ); + if (pixval) + { + char bit=1; + char shift = bit << (w % 8); + outbyte |= shift; + } - } // for - } // for + if ((w+1)%8 == 0) + { + dst[h*dstbyteperline+w/8] = outbyte; + outbyte = 0; + } + } - // Blit picture + // 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); - GdkGC *data_gc = gdk_gc_new( GetBitmap() ); + free( dst ); + gdk_image_destroy( img ); + } - gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); + free( tablex ); + free( tabley ); - gdk_image_destroy( data_image ); - gdk_gc_unref( data_gc ); + return bmp; +} - // Blit mask +bool wxBitmap::CreateFromImage(const wxImage& image, int depth) +{ + UnRef(); - if (image.HasMask()) - { - GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); + wxCHECK_MSG( image.Ok(), false, wxT("invalid image") ); + wxCHECK_MSG( depth == -1 || depth == 1, false, wxT("invalid bitmap depth") ); - gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); + if (image.GetWidth() <= 0 || image.GetHeight() <= 0) + return false; - gdk_image_destroy( mask_image ); - gdk_gc_unref( mask_gc ); - } - } + m_refData = new wxBitmapRefData(); - // ------ - // convertion to colour bitmap: - // ------ + if (depth == 1) + { + return CreateFromImageAsBitmap(image); + } else { - int width = image.GetWidth(); - int height = image.GetHeight(); + return CreateFromImageAsPixmap(image); + } +} - SetHeight( height ); - SetWidth( width ); +// conversion to mono bitmap: +bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img) +{ + // convert alpha channel to mask, if it is present: + wxImage image(img); + image.ConvertAlphaToMask(); - SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) ); + int width = image.GetWidth(); + int height = image.GetHeight(); - // Retrieve depth + SetHeight( height ); + SetWidth( width ); - GdkVisual *visual = gdk_window_get_visual( wxGetRootWindow()->window ); - wxASSERT( visual ); + SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) ); - int bpp = visual->depth; + SetDepth( 1 ); - SetDepth( bpp ); + GdkVisual *visual = wxTheApp->GetGdkVisual(); - if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; - if (bpp < 8) bpp = 8; + // Create picture image -#if (GTK_MINOR_VERSION > 0) + unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); - if (!image.HasMask() && (bpp > 8)) - { - static bool s_hasInitialized = FALSE; + GdkImage *data_image = + gdk_image_new_bitmap( visual, data_data, width, height ); + + // Create mask image - if (!s_hasInitialized) + 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()) { - gdk_rgb_init(); - s_hasInitialized = TRUE; + 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 ); } - GdkGC *gc = gdk_gc_new( GetPixmap() ); + 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 ); - gdk_draw_rgb_image( GetPixmap(), - gc, - 0, 0, - width, height, - GDK_RGB_DITHER_NONE, - image.GetData(), - width*3 ); + } // for + } // for - gdk_gc_unref( gc ); - return TRUE; - } + // Blit picture -#endif + GdkGC *data_gc = gdk_gc_new( GetBitmap() ); + + gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); - // Create picture image + gdk_image_destroy( data_image ); + gdk_gc_unref( data_gc ); - GdkImage *data_image = - gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height ); + // Blit mask - // Create mask image + if (image.HasMask()) + { + GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); - GdkImage *mask_image = (GdkImage*) NULL; + gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); - if (image.HasMask()) - { - unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); + gdk_image_destroy( mask_image ); + gdk_gc_unref( mask_gc ); + } - mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); + return true; +} - wxMask *mask = new wxMask(); - mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); +// conversion to colour bitmap: +bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img) +{ + // convert alpha channel to mask, if it is present: + wxImage image(img); + image.ConvertAlphaToMask(); - SetMask( mask ); - } + int width = image.GetWidth(); + int height = image.GetHeight(); - // Render + SetHeight( height ); + SetWidth( width ); - enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; - byte_order b_o = RGB; + 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 (bpp >= 24) + if (!s_hasInitialized) { - 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 = RGB; - 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; + gdk_rgb_init(); + s_hasInitialized = true; } - int r_mask = image.GetMaskRed(); - int g_mask = image.GetMaskGreen(); - int b_mask = image.GetMaskBlue(); + 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 - unsigned char* data = image.GetData(); + enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; + byte_order b_o = RGB; - int index = 0; - for (int y = 0; y < height; y++) + 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++) { - 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: + { + 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; + 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) { - guint32 pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); - 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; } + 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) { - guint32 pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); - 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; } + 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 ); } - 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 @@ -633,43 +888,51 @@ wxImage wxBitmap::ConvertToImage() const 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; + } + + // 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 (GetPixmap()) + + if (HasPixmap()) { gdk_image = gdk_image_get( GetPixmap(), - 0, 0, - GetWidth(), GetHeight() ); - } else - if (GetBitmap()) + 0, 0, + GetWidth(), GetHeight() ); + } + else if (GetBitmap()) { gdk_image = gdk_image_get( GetBitmap(), - 0, 0, - GetWidth(), GetHeight() ); - } else + 0, 0, + GetWidth(), GetHeight() ); + } + else { wxFAIL_MSG( wxT("Ill-formed bitmap") ); } 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; if (GetMask()) { gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(), - 0, 0, - GetWidth(), GetHeight() ); + 0, 0, + GetWidth(), GetHeight() ); - image.SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable + image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE ); } int bpp = -1; @@ -679,15 +942,17 @@ 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()) { GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); + if (visual == NULL) + visual = wxTheApp->GetGdkVisual(); - if (visual == NULL) visual = gdk_window_get_visual( wxGetRootWindow()->window ); bpp = visual->depth; - if (bpp == 16) bpp = visual->red_prec + visual->green_prec + visual->blue_prec; + 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; @@ -711,27 +976,27 @@ wxImage wxBitmap::ConvertToImage() const for (int i = 0; i < GetWidth(); i++) { wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j ); - if (bpp == 1) + if (bpp == 1) + { + if (pixel == 0) { - if (pixel == 0) - { data[pos] = 0; data[pos+1] = 0; data[pos+2] = 0; - } - else - { + } + 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; @@ -748,9 +1013,15 @@ wxImage wxBitmap::ConvertToImage() const int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); if (mask_pixel == 0) { - data[pos] = 16; - data[pos+1] = 16; - data[pos+2] = 16; + 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; } } @@ -764,42 +1035,37 @@ wxImage wxBitmap::ConvertToImage() const return image; } -wxBitmap::wxBitmap( const wxBitmap& bmp ) -{ - Ref( bmp ); -} - -wxBitmap::wxBitmap( const wxString &filename, int type ) +wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type ) { LoadFile( filename, type ); } wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth)) { - m_refData = new wxBitmapRefData(); + if ( width > 0 && height > 0 ) + { + m_refData = new wxBitmapRefData(); - M_BMPDATA->m_mask = (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; + 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; - wxCHECK_RET( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") ); + wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") ); + } } 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; @@ -810,9 +1076,10 @@ bool wxBitmap::operator != ( const wxBitmap& bmp ) const return m_refData != bmp.m_refData; } -bool wxBitmap::Ok() const +bool wxBitmap::IsOk() const { - return (m_refData != NULL); + return (m_refData != NULL) && + (M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap); } int wxBitmap::GetHeight() const @@ -855,7 +1122,7 @@ void wxBitmap::SetMask( wxMask *mask ) bool wxBitmap::CopyFromIcon(const wxIcon& icon) { *this = icon; - return TRUE; + return true; } wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const @@ -877,6 +1144,11 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const 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 ); } @@ -887,7 +1159,12 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, rect.width, rect.height, 1 ); GdkGC *gc = gdk_gc_new( mask->m_bitmap ); - gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, 0, 0, rect.x, rect.y, rect.width, rect.height ); + 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 ); @@ -896,27 +1173,27 @@ 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( 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 = gdk_window_get_visual( wxGetRootWindow()->window ); - wxASSERT( visual ); + GdkVisual *visual = wxTheApp->GetGdkVisual(); if (type == wxBITMAP_TYPE_XPM) { @@ -924,7 +1201,13 @@ bool wxBitmap::LoadFile( const wxString &name, int type ) GdkBitmap *mask = (GdkBitmap*) NULL; - M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( wxGetRootWindow()->window, &mask, NULL, name.fn_str() ); + M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm + ( + wxGetRootWindow()->window, + &mask, + NULL, + name.fn_str() + ); if (mask) { @@ -939,52 +1222,66 @@ bool wxBitmap::LoadFile( const wxString &name, int type ) 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; } void wxBitmap::SetBitmap( GdkPixmap *bitmap ) { - if (!m_refData) m_refData = new wxBitmapRefData(); + if (!m_refData) + m_refData = new wxBitmapRefData(); M_BMPDATA->m_bitmap = bitmap; } @@ -996,9 +1293,45 @@ GdkPixmap *wxBitmap::GetPixmap() const 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; } + +void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp) +{ + return NULL; +} + +void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data)) +{ +} + +bool wxBitmap::HasAlpha() const +{ + return false; +} + +void wxBitmap::UseAlpha() +{ +} + +//----------------------------------------------------------------------------- +// wxBitmapHandler +//----------------------------------------------------------------------------- + +IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase) + +/* static */ void wxBitmap::InitStandardHandlers() +{ + // TODO: Insert handler based on GdkPixbufs handler later +}