// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#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
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
+#ifdef __WXGTK20__
+ #include <gdk/gdkimage.h>
+#else // GTK+ 1.2
+ #include <gdk/gdkrgb.h>
+#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
+//-----------------------------------------------------------------------------
-#include "gdk/gdk.h"
-#include "gdk/gdkprivate.h"
-#include "gdk/gdkx.h"
+extern GtkWidget *wxGetRootWindow();
//-----------------------------------------------------------------------------
// wxMask
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()
{
- if (m_bitmap) gdk_bitmap_unref( m_bitmap );
+ if (m_bitmap)
+ gdk_bitmap_unref( m_bitmap );
}
-GdkBitmap *wxMask::GetBitmap(void) const
+bool wxMask::Create( const wxBitmap& bitmap,
+ const wxColour& colour )
+{
+ 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;
}
class wxBitmapRefData: public wxObjectRefData
{
public:
- wxBitmapRefData(void);
- ~wxBitmapRefData(void);
-
- GdkPixmap *m_pixmap;
- GdkBitmap *m_bitmap;
- wxMask *m_mask;
- int m_width;
- int m_height;
- int m_bpp;
- wxPalette *m_palette;
+ wxBitmapRefData();
+ ~wxBitmapRefData();
+
+ GdkPixmap *m_pixmap;
+ GdkBitmap *m_bitmap;
+ wxMask *m_mask;
+ int m_width;
+ int m_height;
+ int m_bpp;
+ wxPalette *m_palette;
};
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;
+ delete m_palette;
}
//-----------------------------------------------------------------------------
wxBitmap::wxBitmap()
{
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}
wxBitmap::wxBitmap( int width, int height, int depth )
{
- wxCHECK_RET( (width > 0) && (height > 0), "invalid bitmap size" )
- wxCHECK_RET( (depth > 0) || (depth == -1), "invalid bitmap depth" )
+ Create( width, height, depth );
+}
- m_refData = new wxBitmapRefData();
+bool wxBitmap::Create( int width, int height, int depth )
+{
+ UnRef();
+
+ if ( width <= 0 || height <= 0 )
+ {
+ return false;
+ }
- GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
+ 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_pixmap = gdk_pixmap_new( parent, width, height, depth );
M_BMPDATA->m_width = width;
M_BMPDATA->m_height = height;
- M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
+ 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;
+ }
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ return Ok();
}
-wxBitmap::wxBitmap( const char **bits )
+bool wxBitmap::CreateFromXpm( const char **bits )
{
- wxCHECK_RET( bits != NULL, "invalid bitmap data" )
+ UnRef();
+
+ wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
m_refData = new wxBitmapRefData();
GdkBitmap *mask = (GdkBitmap*) NULL;
- GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
- M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
+ M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits );
+
+ wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );
if (mask)
{
gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
- M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; // ?
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ?
+
+ return TRUE;
}
-wxBitmap::wxBitmap( char **bits )
+bool wxBitmap::CreateFromImage( const wxImage& image, int depth )
{
- wxCHECK_RET( bits != NULL, "invalid bitmap data" )
+ 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();
- GdkBitmap *mask = (GdkBitmap*) NULL;
- GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
+ SetHeight( height );
+ SetWidth( width );
+
+ // ------
+ // conversion to mono bitmap:
+ // ------
+ if (depth == 1)
+ {
+ SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );
- M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
+ SetDepth( 1 );
- wxCHECK_RET( M_BMPDATA->m_pixmap, "couldn't create pixmap" );
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
- if (mask)
+ // 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
{
- M_BMPDATA->m_mask = new wxMask();
- M_BMPDATA->m_mask->m_bitmap = mask;
+ SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) );
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
+
+ int bpp = visual->depth;
+
+ SetDepth( bpp );
+
+ if ((bpp == 16) && (visual->red_mask != 0xf800))
+ bpp = 15;
+ else if (bpp < 8)
+ bpp = 8;
+
+ // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit
+ // visuals are not supported by GDK so we do these ourselves, too.
+ // 15-bit and 16-bit should actually work and 24-bit certainly does.
+#ifdef __sgi
+ if (!image.HasMask() && (bpp > 16))
+#else
+ if (!image.HasMask() && (bpp > 12))
+#endif
+ {
+ static bool s_hasInitialized = FALSE;
+
+ if (!s_hasInitialized)
+ {
+ gdk_rgb_init();
+ s_hasInitialized = TRUE;
+ }
+
+ GdkGC *gc = gdk_gc_new( GetPixmap() );
+
+ gdk_draw_rgb_image( GetPixmap(),
+ gc,
+ 0, 0,
+ width, height,
+ GDK_RGB_DITHER_NONE,
+ image.GetData(),
+ width*3 );
+
+ gdk_gc_unref( gc );
+ return TRUE;
+ }
+
+ // Create picture image
+
+ GdkImage *data_image =
+ gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height );
+
+ // Create mask image
+
+ GdkImage *mask_image = (GdkImage*) NULL;
+
+ if (image.HasMask())
+ {
+ unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
+
+ mask_image = gdk_image_new_bitmap( visual, mask_data, width, height );
+
+ wxMask *mask = new wxMask();
+ mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
+
+ SetMask( mask );
+ }
+
+ // Render
+
+ enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
+ byte_order b_o = RGB;
+
+ if (bpp > 8)
+ {
+ if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB;
+ else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RBG;
+ else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG;
+ else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
+ else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB;
+ else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR;
+ }
+
+ int r_mask = image.GetMaskRed();
+ int g_mask = image.GetMaskGreen();
+ int b_mask = image.GetMaskBlue();
+
+ unsigned char* data = image.GetData();
+
+ int index = 0;
+ for (int y = 0; y < height; y++)
+ {
+ for (int x = 0; x < width; x++)
+ {
+ int r = data[index];
+ index++;
+ int g = data[index];
+ index++;
+ int b = data[index];
+ index++;
+
+ if (image.HasMask())
+ {
+ if ((r == r_mask) && (b == b_mask) && (g == g_mask))
+ gdk_image_put_pixel( mask_image, x, y, 1 );
+ else
+ gdk_image_put_pixel( mask_image, x, y, 0 );
+ }
+
+ switch (bpp)
+ {
+ case 8:
+ {
+ int pixel = -1;
+ if (wxTheApp->m_colorCube)
+ {
+ pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
+ }
+ else
+ {
+ GdkColormap *cmap = gtk_widget_get_default_colormap();
+ GdkColor *colors = cmap->colors;
+ int max = 3 * (65536);
+
+ for (int i = 0; i < cmap->size; i++)
+ {
+ int rdiff = (r << 8) - colors[i].red;
+ int gdiff = (g << 8) - colors[i].green;
+ int bdiff = (b << 8) - colors[i].blue;
+ int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
+ if (sum < max) { pixel = i; max = sum; }
+ }
+ }
+
+ gdk_image_put_pixel( data_image, x, y, pixel );
+
+ break;
+ }
+ case 12: // SGI only
+ {
+ guint32 pixel = 0;
+ switch (b_o)
+ {
+ case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
+ case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
+ case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
+ case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
+ case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
+ case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;
+ }
+ gdk_image_put_pixel( data_image, x, y, pixel );
+ break;
+ }
+ case 15:
+ {
+ guint32 pixel = 0;
+ switch (b_o)
+ {
+ case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
+ case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
+ case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
+ case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
+ case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
+ case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
+ }
+ gdk_image_put_pixel( data_image, x, y, pixel );
+ break;
+ }
+ case 16:
+ {
+ // I actually don't know if for 16-bit displays, it is alway the green
+ // component or the second component which has 6 bits.
+ guint32 pixel = 0;
+ switch (b_o)
+ {
+ case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
+ case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
+ case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
+ case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
+ case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
+ case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
+ }
+ gdk_image_put_pixel( data_image, x, y, pixel );
+ break;
+ }
+ case 32:
+ case 24:
+ {
+ guint32 pixel = 0;
+ switch (b_o)
+ {
+ case RGB: pixel = (r << 16) | (g << 8) | b; break;
+ case RBG: pixel = (r << 16) | (b << 8) | g; break;
+ case BRG: pixel = (b << 16) | (r << 8) | g; break;
+ case BGR: pixel = (b << 16) | (g << 8) | r; break;
+ case GRB: pixel = (g << 16) | (r << 8) | b; break;
+ case GBR: pixel = (g << 16) | (b << 8) | r; break;
+ }
+ gdk_image_put_pixel( data_image, x, y, pixel );
+ }
+ 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
+{
+ // 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;
}
- gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
- M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; // ?
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ 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()
{
Ref( bmp );
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}
wxBitmap::wxBitmap( const wxString &filename, int type )
{
LoadFile( filename, type );
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}
wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
{
- m_refData = new wxBitmapRefData();
-
- M_BMPDATA->m_mask = (wxMask *) NULL;
- M_BMPDATA->m_bitmap =
- gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
- M_BMPDATA->m_width = width;
- M_BMPDATA->m_height = height;
- M_BMPDATA->m_bpp = 1;
-
- wxCHECK_RET( M_BMPDATA->m_bitmap, "couldn't create bitmap" );
+ if ( width > 0 && height > 0 )
+ {
+ m_refData = new wxBitmapRefData();
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ 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;
+
+ wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
+ }
}
wxBitmap::~wxBitmap()
{
- if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
}
wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
{
- if (*this == bmp) return (*this);
- Ref( bmp );
+ if ( m_refData != bmp.m_refData )
+ Ref( bmp );
+
return *this;
}
-bool wxBitmap::operator == ( const wxBitmap& bmp )
+bool wxBitmap::operator == ( const wxBitmap& bmp ) const
{
return m_refData == bmp.m_refData;
}
-bool wxBitmap::operator != ( const wxBitmap& bmp )
+bool wxBitmap::operator != ( const wxBitmap& bmp ) const
{
return m_refData != bmp.m_refData;
}
-bool wxBitmap::Ok(void) const
+bool wxBitmap::Ok() const
{
return (m_refData != NULL);
}
-int wxBitmap::GetHeight(void) const
+int wxBitmap::GetHeight() const
{
- wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
return M_BMPDATA->m_height;
}
-int wxBitmap::GetWidth(void) const
+int wxBitmap::GetWidth() const
{
- wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
return M_BMPDATA->m_width;
}
-int wxBitmap::GetDepth(void) const
+int wxBitmap::GetDepth() const
{
- wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
return M_BMPDATA->m_bpp;
}
-wxMask *wxBitmap::GetMask(void) const
+wxMask *wxBitmap::GetMask() const
{
- wxCHECK_MSG( Ok(), (wxMask *) NULL, "invalid bitmap" );
+ wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
return M_BMPDATA->m_mask;
}
void wxBitmap::SetMask( wxMask *mask )
{
- wxCHECK_RET( Ok(), "invalid bitmap" );
+ wxCHECK_RET( Ok(), wxT("invalid bitmap") );
if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
M_BMPDATA->m_mask = mask;
}
+bool wxBitmap::CopyFromIcon(const wxIcon& icon)
+{
+ *this = icon;
+ return TRUE;
+}
+
+wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
+{
+ wxCHECK_MSG( Ok() &&
+ (rect.x >= 0) && (rect.y >= 0) &&
+ (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
+ wxNullBitmap, wxT("invalid bitmap or bitmap region") );
+
+ wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
+ wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
+
+ if (ret.GetPixmap())
+ {
+ 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) )
{
- wxCHECK_MSG( Ok(), FALSE, "invalid bitmap" );
+ wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
- if (type == wxBITMAP_TYPE_PNG)
+ // Try to save the bitmap via wxImage handlers:
{
- wxImage image( *this );
- if (image.Ok()) return image.SaveFile( name, type );
+ wxImage image = ConvertToImage();
+ if (image.Ok()) return image.SaveFile( name, type );
}
return FALSE;
{
UnRef();
- if (!wxFileExists(name)) return FALSE;
+ if (!wxFileExists(name))
+ return FALSE;
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
if (type == wxBITMAP_TYPE_XPM)
{
m_refData = new wxBitmapRefData();
GdkBitmap *mask = (GdkBitmap*) NULL;
- GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
- M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( parent, &mask, NULL, name );
+ M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm
+ (
+ wxGetRootWindow()->window,
+ &mask,
+ NULL,
+ name.fn_str()
+ );
if (mask)
{
}
gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
- M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
- }
- else if (type == wxBITMAP_TYPE_PNG)
- {
- wxImage image;
- image.LoadFile( name, type );
- if (image.Ok()) *this = image.ConvertToBitmap();
+
+ M_BMPDATA->m_bpp = visual->depth;
}
- else if (type == wxBITMAP_TYPE_BMP)
+ else // try if wxImage can load it
{
wxImage image;
- image.LoadFile( name, type );
- if (image.Ok()) *this = image.ConvertToBitmap();
+ if ( !image.LoadFile( name, type ) || !image.Ok() )
+ return FALSE;
+
+ *this = wxBitmap(image);
}
- else
- return FALSE;
return TRUE;
}
-wxPalette *wxBitmap::GetPalette(void) const
+wxPalette *wxBitmap::GetPalette() const
{
- if (!Ok()) return (wxPalette *) NULL;
+ if (!Ok())
+ return (wxPalette *) NULL;
return M_BMPDATA->m_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;
}
-GdkPixmap *wxBitmap::GetPixmap(void) const
+void wxBitmap::SetBitmap( GdkPixmap *bitmap )
{
- wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, "invalid bitmap" );
+ if (!m_refData)
+ m_refData = new wxBitmapRefData();
- return M_BMPDATA->m_pixmap;
+ M_BMPDATA->m_bitmap = bitmap;
}
-GdkBitmap *wxBitmap::GetBitmap(void) const
+GdkPixmap *wxBitmap::GetPixmap() const
{
- wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, "invalid bitmap" );
+ wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
- return M_BMPDATA->m_bitmap;
+ return M_BMPDATA->m_pixmap;
}
+GdkBitmap *wxBitmap::GetBitmap() const
+{
+ wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
+ return M_BMPDATA->m_bitmap;
+}
projects / wxWidgets.git / blobdiff