X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/33d0b396b23cc198d6966d2ae4bd03762821e56c..06305c29bd49e4e34b60fad44302b3bdc4d2a9d6:/src/gtk1/bitmap.cpp diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp index d2241e591d..4074770d26 100644 --- a/src/gtk1/bitmap.cpp +++ b/src/gtk1/bitmap.cpp @@ -2,110 +2,265 @@ // Name: bitmap.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Copyright: (c) 1998 Robert Roebling +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ #pragma implementation "bitmap.h" #endif +#include "wx/defs.h" + +#include "wx/palette.h" #include "wx/bitmap.h" -#include "gdk/gdkprivate.h" +#include "wx/icon.h" +#include "wx/filefn.h" +#include "wx/image.h" +#include "wx/dcmemory.h" +#include "wx/app.h" -#ifdef USE_GDK_IMLIB -#include "../gdk_imlib/gdk_imlib.h" +#ifdef __WXGTK20__ + // need this to get gdk_image_new_bitmap() + #define GDK_ENABLE_BROKEN #endif +#include +#include +#include + +#ifdef __WXGTK20__ + #include +#else // GTK+ 1.2 + #include +#endif // GTK+ 2.0/1.2 + +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 //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject) -wxMask::wxMask(void) +wxMask::wxMask() { - m_bitmap = NULL; -}; + m_bitmap = (GdkBitmap *) NULL; +} -wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) ) +wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) { -}; + m_bitmap = (GdkBitmap *) NULL; + Create( bitmap, colour ); +} -wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex) ) +wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex ) { -}; + m_bitmap = (GdkBitmap *) NULL; + Create( bitmap, paletteIndex ); +} -wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) ) +wxMask::wxMask( const wxBitmap& bitmap ) { -}; + m_bitmap = (GdkBitmap *) NULL; + Create( bitmap ); +} -wxMask::~wxMask(void) +wxMask::~wxMask() { -#ifdef USE_GDK_IMLIB - // do not delete the mask, gdk_imlib does it for you -#else - if (m_bitmap) gdk_bitmap_unref( m_bitmap ); -#endif -}; + if (m_bitmap) + gdk_bitmap_unref( m_bitmap ); +} -GdkBitmap *wxMask::GetBitmap(void) const +bool wxMask::Create( const wxBitmap& bitmap, + const wxColour& colour ) { - return m_bitmap; -}; - + if (m_bitmap) + { + gdk_bitmap_unref( m_bitmap ); + m_bitmap = (GdkBitmap*) NULL; + } + + wxImage image = bitmap.ConvertToImage(); + if (!image.Ok()) return FALSE; + + m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 ); + GdkGC *gc = gdk_gc_new( m_bitmap ); + + GdkColor color; + color.red = 65000; + color.green = 65000; + 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; +} + +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)); +} + +bool wxMask::Create( const wxBitmap& bitmap ) +{ + if (m_bitmap) + { + gdk_bitmap_unref( m_bitmap ); + m_bitmap = (GdkBitmap*) NULL; + } + + if (!bitmap.Ok()) 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() const +{ + return m_bitmap; +} + //----------------------------------------------------------------------------- // wxBitmap //----------------------------------------------------------------------------- -// CMB 20/5/98: added m_bitmap for GdkBitmaps class wxBitmapRefData: public wxObjectRefData { - public: - - wxBitmapRefData(void); - ~wxBitmapRefData(void); - +public: + wxBitmapRefData(); + ~wxBitmapRefData(); + GdkPixmap *m_pixmap; GdkBitmap *m_bitmap; wxMask *m_mask; int m_width; int m_height; int m_bpp; -#ifdef USE_GDK_IMLIB - GdkImlibImage *m_image; -#endif wxPalette *m_palette; }; -wxBitmapRefData::wxBitmapRefData(void) -{ - m_pixmap = NULL; - m_bitmap = NULL; - m_mask = NULL; - m_width = 0; - m_height = 0; - m_bpp = 0; - m_palette = NULL; -#ifdef USE_GDK_IMLIB - m_image = NULL; -#endif -}; +wxBitmapRefData::wxBitmapRefData() +{ + m_pixmap = (GdkPixmap *) NULL; + m_bitmap = (GdkBitmap *) NULL; + m_mask = (wxMask *) NULL; + m_width = 0; + m_height = 0; + m_bpp = 0; + m_palette = (wxPalette *) NULL; +} -wxBitmapRefData::~wxBitmapRefData(void) +wxBitmapRefData::~wxBitmapRefData() { -#ifdef USE_GDK_IMLIB - if (m_pixmap) gdk_imlib_free_pixmap( m_pixmap ); - if (m_image) gdk_imlib_destroy_image( m_image ); -#else - if (m_pixmap) gdk_pixmap_unref( m_pixmap ); -#endif - 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; + delete m_palette; +} //----------------------------------------------------------------------------- @@ -113,285 +268,831 @@ wxBitmapRefData::~wxBitmapRefData(void) IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject) -wxBitmap::wxBitmap(void) +wxBitmap::wxBitmap() { - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); -}; - +} + wxBitmap::wxBitmap( int width, int height, int depth ) { - m_refData = new wxBitmapRefData(); - M_BMPDATA->m_mask = NULL; - M_BMPDATA->m_pixmap = - gdk_pixmap_new( (GdkWindow*) &gdk_root_parent, width, height, depth ); - M_BMPDATA->m_width = width; - M_BMPDATA->m_height = height; - M_BMPDATA->m_bpp = depth; - - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); -}; + Create( width, height, depth ); +} -wxBitmap::wxBitmap( char **bits ) -{ - m_refData = new wxBitmapRefData(); - -#ifndef USE_GDK_IMLIB - - GdkBitmap *mask = NULL; - - M_BMPDATA->m_pixmap = - gdk_pixmap_create_from_xpm_d( (GdkWindow*) &gdk_root_parent, &mask, NULL, (gchar **) bits ); - - if (mask) - { - M_BMPDATA->m_mask = new wxMask(); - M_BMPDATA->m_mask->m_bitmap = mask; - }; - - gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); - -#else +bool wxBitmap::Create( int width, int height, int depth ) +{ + UnRef(); + + if ( width <= 0 || height <= 0 ) + { + return false; + } + + GdkVisual *visual = wxTheApp->GetGdkVisual(); - M_BMPDATA->m_image = gdk_imlib_create_image_from_xpm_data( bits ); - Render(); - + 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(); +} + +bool wxBitmap::CreateFromXpm( const char **bits ) +{ + UnRef(); + + wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") ) + + GdkVisual *visual = wxTheApp->GetGdkVisual(); + + m_refData = new wxBitmapRefData(); + + GdkBitmap *mask = (GdkBitmap*) NULL; + + M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits ); + + wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") ); + + if (mask) + { + M_BMPDATA->m_mask = new wxMask(); + M_BMPDATA->m_mask->m_bitmap = mask; + } + + gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); + + M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ? + + return TRUE; +} + +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") ) + + int width = image.GetWidth(); + int height = image.GetHeight(); + + if ( width <= 0 || height <= 0 ) + { + return false; + } + + m_refData = new wxBitmapRefData(); + + SetHeight( height ); + SetWidth( width ); + + // ------ + // conversion to mono bitmap: + // ------ + if (depth == 1) + { + SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) ); + + SetDepth( 1 ); + + GdkVisual *visual = wxTheApp->GetGdkVisual(); + + // Create picture image + + unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); + + GdkImage *data_image = + gdk_image_new_bitmap( visual, data_data, width, height ); + + // Create mask image + + GdkImage *mask_image = (GdkImage*) NULL; + + if (image.HasMask()) + { + unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); + + mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); + + wxMask *mask = new wxMask(); + mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); + + SetMask( mask ); + } + + int r_mask = image.GetMaskRed(); + int g_mask = image.GetMaskGreen(); + int b_mask = image.GetMaskBlue(); + + unsigned char* data = image.GetData(); + + int index = 0; + for (int y = 0; y < height; y++) + { + for (int x = 0; x < width; x++) + { + int r = data[index]; + index++; + int g = data[index]; + index++; + int b = data[index]; + index++; + + if (image.HasMask()) + { + if ((r == r_mask) && (b == b_mask) && (g == g_mask)) + gdk_image_put_pixel( mask_image, x, y, 1 ); + else + gdk_image_put_pixel( mask_image, x, y, 0 ); + } + + if ((r == 255) && (b == 255) && (g == 255)) + gdk_image_put_pixel( data_image, x, y, 1 ); + else + gdk_image_put_pixel( data_image, x, y, 0 ); + + } // for + } // for + + // Blit picture + + GdkGC *data_gc = gdk_gc_new( GetBitmap() ); + + gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); + + gdk_image_destroy( data_image ); + gdk_gc_unref( data_gc ); + + // Blit mask + + if (image.HasMask()) + { + GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); + + gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); + + gdk_image_destroy( mask_image ); + gdk_gc_unref( mask_gc ); + } + } + + // ------ + // conversion to colour bitmap: + // ------ + else + { + 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 - - M_BMPDATA->m_bpp = 24; // ? - - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); -}; - -wxBitmap::wxBitmap( const wxBitmap& bmp ) + { + static bool s_hasInitialized = FALSE; + + if (!s_hasInitialized) + { + gdk_rgb_init(); + s_hasInitialized = TRUE; + } + + GdkGC *gc = gdk_gc_new( GetPixmap() ); + + gdk_draw_rgb_image( GetPixmap(), + gc, + 0, 0, + width, height, + GDK_RGB_DITHER_NONE, + image.GetData(), + width*3 ); + + gdk_gc_unref( gc ); + return TRUE; + } + + // Create picture image + + GdkImage *data_image = + gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height ); + + // Create mask image + + GdkImage *mask_image = (GdkImage*) NULL; + + if (image.HasMask()) + { + unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); + + mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); + + wxMask *mask = new wxMask(); + mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); + + SetMask( mask ); + } + + // Render + + enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; + byte_order b_o = RGB; + + if (bpp > 8) + { + if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB; + else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RBG; + else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG; + else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR; + else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB; + else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR; + } + + int r_mask = image.GetMaskRed(); + int g_mask = image.GetMaskGreen(); + int b_mask = image.GetMaskBlue(); + + unsigned char* data = image.GetData(); + + int index = 0; + for (int y = 0; y < height; y++) + { + for (int x = 0; x < width; x++) + { + int r = data[index]; + index++; + int g = data[index]; + index++; + int b = data[index]; + index++; + + if (image.HasMask()) + { + if ((r == r_mask) && (b == b_mask) && (g == g_mask)) + gdk_image_put_pixel( mask_image, x, y, 1 ); + else + gdk_image_put_pixel( mask_image, x, y, 0 ); + } + + switch (bpp) + { + case 8: + { + int pixel = -1; + if (wxTheApp->m_colorCube) + { + pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; + } + else + { + GdkColormap *cmap = gtk_widget_get_default_colormap(); + GdkColor *colors = cmap->colors; + int max = 3 * (65536); + + for (int i = 0; i < cmap->size; i++) + { + int rdiff = (r << 8) - colors[i].red; + int gdiff = (g << 8) - colors[i].green; + int bdiff = (b << 8) - colors[i].blue; + int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff); + if (sum < max) { pixel = i; max = sum; } + } + } + + gdk_image_put_pixel( data_image, x, y, pixel ); + + break; + } + case 12: // SGI only + { + guint32 pixel = 0; + switch (b_o) + { + case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break; + case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break; + case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break; + case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break; + case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break; + case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break; + } + gdk_image_put_pixel( data_image, x, y, pixel ); + break; + } + case 15: + { + guint32 pixel = 0; + switch (b_o) + { + case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break; + case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break; + case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break; + case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break; + case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break; + case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break; + } + gdk_image_put_pixel( data_image, x, y, pixel ); + break; + } + case 16: + { + // I actually don't know if for 16-bit displays, it is alway the green + // component or the second component which has 6 bits. + guint32 pixel = 0; + switch (b_o) + { + case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break; + case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break; + case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break; + case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break; + case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break; + case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break; + } + gdk_image_put_pixel( data_image, x, y, pixel ); + break; + } + case 32: + case 24: + { + guint32 pixel = 0; + switch (b_o) + { + case RGB: pixel = (r << 16) | (g << 8) | b; break; + case RBG: pixel = (r << 16) | (b << 8) | g; break; + case BRG: pixel = (b << 16) | (r << 8) | g; break; + case BGR: pixel = (b << 16) | (g << 8) | r; break; + case GRB: pixel = (g << 16) | (r << 8) | b; break; + case GBR: pixel = (g << 16) | (b << 8) | r; break; + } + gdk_image_put_pixel( data_image, x, y, pixel ); + } + 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; +} + +wxImage wxBitmap::ConvertToImage() const { - Ref( bmp ); - - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); -}; - -wxBitmap::wxBitmap( const wxBitmap* bmp ) + // 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 = (GdkImage*) NULL; + if (GetPixmap()) + { + 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") ); + + 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() ); + + image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE ); + } + + int bpp = -1; + int red_shift_right = 0; + int green_shift_right = 0; + int blue_shift_right = 0; + int red_shift_left = 0; + int green_shift_left = 0; + int blue_shift_left = 0; + bool use_shift = FALSE; + + if (GetPixmap()) + { + GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); + if (visual == NULL) + visual = wxTheApp->GetGdkVisual(); + + bpp = visual->depth; + if (bpp == 16) + bpp = visual->red_prec + visual->green_prec + visual->blue_prec; + red_shift_right = visual->red_shift; + red_shift_left = 8-visual->red_prec; + green_shift_right = visual->green_shift; + green_shift_left = 8-visual->green_prec; + blue_shift_right = visual->blue_shift; + blue_shift_left = 8-visual->blue_prec; + + use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR); + } + if (GetBitmap()) + { + bpp = 1; + } + + + GdkColormap *cmap = gtk_widget_get_default_colormap(); + + long pos = 0; + for (int j = 0; j < GetHeight(); j++) + { + for (int i = 0; i < GetWidth(); i++) + { + wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j ); + if (bpp == 1) + { + if (pixel == 0) + { + data[pos] = 0; + data[pos+1] = 0; + data[pos+2] = 0; + } + else + { + data[pos] = 255; + data[pos+1] = 255; + data[pos+2] = 255; + } + } + else if (use_shift) + { + data[pos] = (pixel >> red_shift_right) << red_shift_left; + data[pos+1] = (pixel >> green_shift_right) << green_shift_left; + data[pos+2] = (pixel >> blue_shift_right) << blue_shift_left; + } + else if (cmap->colors) + { + data[pos] = cmap->colors[pixel].red >> 8; + data[pos+1] = cmap->colors[pixel].green >> 8; + data[pos+2] = cmap->colors[pixel].blue >> 8; + } + else + { + wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") ); + } + + if (gdk_image_mask) + { + int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); + if (mask_pixel == 0) + { + data[pos] = MASK_RED; + data[pos+1] = MASK_GREEN; + data[pos+2] = MASK_BLUE; + } + else if ( data[pos] == MASK_RED && + data[pos+1] == MASK_GREEN && + data[pos+2] == MASK_BLUE ) + { + data[pos+2] = MASK_BLUE_REPLACEMENT; + } + } + + pos += 3; + } + } + + gdk_image_destroy( gdk_image ); + if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); + + return image; +} + +wxBitmap::wxBitmap( const wxBitmap& bmp ) + : wxGDIObject() { - if (bmp) Ref( *bmp ); - - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); -}; + Ref( bmp ); +} wxBitmap::wxBitmap( const wxString &filename, int type ) { - LoadFile( filename, type ); -}; + LoadFile( filename, type ); +} -// CMB 15/5/98: add constructor for xbm bitmaps 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 = 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; + M_BMPDATA->m_mask = (wxMask *) NULL; + M_BMPDATA->m_bitmap = gdk_bitmap_create_from_data + ( + wxGetRootWindow()->window, + (gchar *) bits, + width, + height + ); + M_BMPDATA->m_width = width; + M_BMPDATA->m_height = height; + M_BMPDATA->m_bpp = 1; - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") ); + } } - -wxBitmap::~wxBitmap(void) + +wxBitmap::~wxBitmap() { - if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this); -}; - +} + wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp ) { - if (*this == bmp) return (*this); - Ref( bmp ); - return *this; -}; - -bool 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 ) + return m_refData == bmp.m_refData; +} + +bool wxBitmap::operator != ( const wxBitmap& bmp ) const { - return m_refData != bmp.m_refData; -}; - -bool wxBitmap::Ok(void) const + return m_refData != bmp.m_refData; +} + +bool wxBitmap::Ok() const { - return m_refData != NULL; -}; - -int wxBitmap::GetHeight(void) const + return (m_refData != NULL); +} + +int wxBitmap::GetHeight() const { - if (!Ok()) return 0; - return M_BMPDATA->m_height; -}; + wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); + + return M_BMPDATA->m_height; +} -int wxBitmap::GetWidth(void) const +int wxBitmap::GetWidth() const { - if (!Ok()) return 0; - return M_BMPDATA->m_width; -}; + wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); + + return M_BMPDATA->m_width; +} -int wxBitmap::GetDepth(void) const +int wxBitmap::GetDepth() const { - if (!Ok()) return 0; - return M_BMPDATA->m_bpp; -}; + wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); -void wxBitmap::SetHeight( int height ) + return M_BMPDATA->m_bpp; +} + +wxMask *wxBitmap::GetMask() const { - if (!Ok()) return; - M_BMPDATA->m_height = height; -}; + wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") ); -void wxBitmap::SetWidth( int width ) + return M_BMPDATA->m_mask; +} + +void wxBitmap::SetMask( wxMask *mask ) { - if (!Ok()) return; - M_BMPDATA->m_width = width; -}; + wxCHECK_RET( Ok(), wxT("invalid bitmap") ); -void wxBitmap::SetDepth( int depth ) + if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; + + M_BMPDATA->m_mask = mask; +} + +bool wxBitmap::CopyFromIcon(const wxIcon& icon) { - if (!Ok()) return; - M_BMPDATA->m_bpp = depth; -}; + *this = icon; + return TRUE; +} -wxMask *wxBitmap::GetMask(void) const +wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const { - if (!Ok()) return NULL; - - return M_BMPDATA->m_mask; -}; + wxCHECK_MSG( Ok() && + (rect.x >= 0) && (rect.y >= 0) && + (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height), + wxNullBitmap, wxT("invalid bitmap or bitmap region") ); -void wxBitmap::SetMask( wxMask *mask ) + wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp ); + wxASSERT_MSG( ret.Ok(), 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() ); + gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); + gdk_gc_destroy( gc ); + } + + if (GetMask()) + { + wxMask *mask = new wxMask; + 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 ); + gdk_gc_destroy( gc ); + + ret.SetMask( mask ); + } + + return ret; +} + +bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) ) { - if (!Ok()) return; - - if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; - M_BMPDATA->m_mask = mask; -}; + wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") ); -void wxBitmap::Resize( int height, int width ) -{ - if (!Ok()) return; - -#ifdef USE_GDK_IMLIB - - if (M_BMPDATA->m_bitmap) return; // not supported for bitmaps - - if (!M_BMPDATA->m_image) RecreateImage(); - - if (M_BMPDATA->m_pixmap) gdk_imlib_free_pixmap( M_BMPDATA->m_pixmap ); - if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; - - GdkImlibImage* image = gdk_imlib_clone_scaled_image( M_BMPDATA->m_image, height, width ); - gdk_imlib_destroy_image( M_BMPDATA->m_image ); - M_BMPDATA->m_image = image; - M_BMPDATA->m_height = height; - M_BMPDATA->m_width = width; - - Render(); - -#endif -}; + // Try to save the bitmap via wxImage handlers: + { + wxImage image = ConvertToImage(); + if (image.Ok()) return image.SaveFile( name, type ); + } + + return FALSE; +} -bool wxBitmap::SaveFile( const wxString &name, int WXUNUSED(type), - wxPalette *WXUNUSED(palette) ) +bool wxBitmap::LoadFile( const wxString &name, int type ) { -#ifdef USE_GDK_IMLIB + UnRef(); - if (!Ok()) return FALSE; - - if (!M_BMPDATA->m_image) RecreateImage(); - - return gdk_imlib_save_image( M_BMPDATA->m_image, WXSTRINGCAST name, NULL ); + if (!wxFileExists(name)) + return FALSE; -#endif + GdkVisual *visual = wxTheApp->GetGdkVisual(); - return FALSE; -}; + if (type == wxBITMAP_TYPE_XPM) + { + m_refData = new wxBitmapRefData(); + + GdkBitmap *mask = (GdkBitmap*) NULL; + + M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm + ( + wxGetRootWindow()->window, + &mask, + NULL, + name.fn_str() + ); + + if (mask) + { + M_BMPDATA->m_mask = new wxMask(); + M_BMPDATA->m_mask->m_bitmap = mask; + } + + gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); -bool wxBitmap::LoadFile( const wxString &name, int WXUNUSED(type) ) + M_BMPDATA->m_bpp = visual->depth; + } + else // try if wxImage can load it + { + wxImage image; + if ( !image.LoadFile( name, type ) || !image.Ok() ) + return FALSE; + + *this = wxBitmap(image); + } + + return TRUE; +} + +wxPalette *wxBitmap::GetPalette() const { -#ifdef USE_GDK_IMLIB + if (!Ok()) + return (wxPalette *) NULL; - UnRef(); - m_refData = new wxBitmapRefData(); - - M_BMPDATA->m_image = gdk_imlib_load_image( WXSTRINGCAST name ); + return M_BMPDATA->m_palette; +} - if (!M_BMPDATA->m_image) - { - UnRef(); - return FALSE; - }; - - Render(); - - gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); - M_BMPDATA->m_bpp = 24; // ? - - return TRUE; -#endif +void wxBitmap::SetHeight( int height ) +{ + if (!m_refData) + m_refData = new wxBitmapRefData(); - return FALSE; -}; - -wxPalette *wxBitmap::GetPalette(void) const + M_BMPDATA->m_height = height; +} + +void wxBitmap::SetWidth( int width ) { - if (!Ok()) return NULL; - return M_BMPDATA->m_palette; -}; + if (!m_refData) + m_refData = new wxBitmapRefData(); + + M_BMPDATA->m_width = width; +} + +void wxBitmap::SetDepth( int depth ) +{ + if (!m_refData) + m_refData = new wxBitmapRefData(); -GdkPixmap *wxBitmap::GetPixmap(void) const + M_BMPDATA->m_bpp = depth; +} + +void wxBitmap::SetPixmap( GdkPixmap *pixmap ) { - if (!Ok()) return NULL; - return M_BMPDATA->m_pixmap; -}; - -GdkBitmap *wxBitmap::GetBitmap(void) const + if (!m_refData) + m_refData = new wxBitmapRefData(); + + M_BMPDATA->m_pixmap = pixmap; +} + +void wxBitmap::SetBitmap( GdkPixmap *bitmap ) { - if (!Ok()) return NULL; - - return M_BMPDATA->m_bitmap; -}; - -void wxBitmap::DestroyImage(void) -{ - if (!Ok()) return; - - if (M_BMPDATA->m_image) - { - gdk_imlib_destroy_image( M_BMPDATA->m_image ); - M_BMPDATA->m_image = NULL; - }; -}; + if (!m_refData) + m_refData = new wxBitmapRefData(); + + M_BMPDATA->m_bitmap = bitmap; +} -void wxBitmap::RecreateImage(void) +GdkPixmap *wxBitmap::GetPixmap() const { -}; + wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") ); -void wxBitmap::Render(void) -{ - if (!Ok()) return; - -#ifdef USE_GDK_IMLIB - - gdk_imlib_render( M_BMPDATA->m_image, M_BMPDATA->m_image->rgb_width, M_BMPDATA->m_image->rgb_height ); - M_BMPDATA->m_width = M_BMPDATA->m_image->rgb_width; - M_BMPDATA->m_height = M_BMPDATA->m_image->rgb_height; - M_BMPDATA->m_pixmap = gdk_imlib_move_image( M_BMPDATA->m_image ); - GdkBitmap *mask = gdk_imlib_move_mask( M_BMPDATA->m_image ); - if (mask) - { - M_BMPDATA->m_mask = new wxMask(); - M_BMPDATA->m_mask->m_bitmap = mask; - }; - -#endif -}; + return M_BMPDATA->m_pixmap; +} +GdkBitmap *wxBitmap::GetBitmap() const +{ + wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") ); + return M_BMPDATA->m_bitmap; +}