// 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__
#endif
#include "wx/bitmap.h"
-#include "gdk/gdkprivate.h"
-
-#ifdef USE_GDK_IMLIB
-#include "../gdk_imlib/gdk_imlib.h"
+#include "wx/icon.h"
+#include "wx/filefn.h"
+#include "wx/image.h"
+#include "wx/dcmemory.h"
+#include "wx/app.h"
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
+#if (GTK_MINOR_VERSION > 0)
+#include <gdk/gdkrgb.h>
#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);
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern GtkWidget *wxRootWindow;
+
//-----------------------------------------------------------------------------
// 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), const 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 )
+{
+ if (m_bitmap)
+ {
+ gdk_bitmap_unref( m_bitmap );
+ m_bitmap = (GdkBitmap*) NULL;
+ }
+
+ wxImage image( bitmap );
+ if (!image.Ok()) return FALSE;
+
+ m_bitmap = gdk_pixmap_new( wxRootWindow->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 = gdk_window_get_visual( wxRootWindow->window );
+ wxASSERT( visual );
+
+ 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;
+ }
+ if (bpp == 16)
+ {
+ red = red & 0xf8;
+ green = green & 0xfc;
+ blue = blue & 0xf8;
+ }
+
+ 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 )
{
- return m_bitmap;
-};
-
+ 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( wxRootWindow->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;
wxPalette *m_palette;
};
-wxBitmapRefData::wxBitmapRefData(void)
+wxBitmapRefData::wxBitmapRefData()
{
- m_pixmap = NULL;
- m_bitmap = NULL;
- m_mask = NULL;
- m_width = 0;
- m_height = 0;
- m_bpp = 0;
- m_palette = NULL;
-};
+ 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 );
-#else
- if (m_pixmap) gdk_pixmap_unref( m_pixmap );
- if (m_bitmap) gdk_bitmap_unref( m_bitmap );
-#endif
- 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 );
+ if (m_mask) delete m_mask;
+ if (m_palette) delete m_palette;
+}
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
-wxBitmap::wxBitmap(void)
+wxBitmap::wxBitmap()
{
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-};
-
-wxBitmap::wxBitmap( const int width, const int height, const 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 );
- gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
- M_BMPDATA->m_bpp = depth;
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-};
+ if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+}
+
+wxBitmap::wxBitmap( int width, int height, int depth )
+{
+ Create( width, height, depth );
+
+ if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+}
+
+bool wxBitmap::Create( int width, int height, int depth )
+{
+ UnRef();
+
+ wxCHECK_MSG( (width > 0) && (height > 0), FALSE, wxT("invalid bitmap size") )
+
+ GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+ wxASSERT( visual );
+
+ 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( wxRootWindow->window, width, height, 1 );
+ M_BMPDATA->m_bpp = 1;
+ }
+ else
+ {
+ M_BMPDATA->m_pixmap = gdk_pixmap_new( wxRootWindow->window, width, height, depth );
+ M_BMPDATA->m_bpp = visual->depth;
+ }
+
+ return Ok();
+}
+
+bool wxBitmap::CreateFromXpm( const char **bits )
+{
+ wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
+
+ GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+ wxASSERT( visual );
+
+ m_refData = new wxBitmapRefData();
+
+ GdkBitmap *mask = (GdkBitmap*) NULL;
+
+ M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxRootWindow->window, &mask, NULL, (gchar **) bits );
-wxBitmap::wxBitmap( char **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; // ?
+
+ if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+
+ return TRUE;
+}
+
+extern GtkWidget *wxRootWindow;
+
+bool wxBitmap::CreateFromImage( const wxImage& image, int depth )
{
- m_refData = new wxBitmapRefData();
-
- GdkBitmap *mask = NULL;
+ wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )
+ wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") )
+
+ m_refData = new wxBitmapRefData();
+
+ if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+
+ // ------
+ // convertion to mono bitmap:
+ // ------
+ if (depth == 1)
+ {
+ int width = image.GetWidth();
+ int height = image.GetHeight();
+
+ SetHeight( height );
+ SetWidth( width );
+
+ SetBitmap( gdk_pixmap_new( wxRootWindow->window, width, height, 1 ) );
+
+ SetDepth( 1 );
+
+ GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+ wxASSERT( visual );
+
+ // 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( wxRootWindow->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 );
+ }
+ }
+
+ // ------
+ // convertion to colour bitmap:
+ // ------
+ else
+ {
+ int width = image.GetWidth();
+ int height = image.GetHeight();
+
+ SetHeight( height );
+ SetWidth( width );
+
+ SetPixmap( gdk_pixmap_new( wxRootWindow->window, width, height, -1 ) );
+
+ // Retrieve depth
+
+ GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+ wxASSERT( visual );
+
+ int bpp = visual->depth;
+
+ SetDepth( bpp );
+
+ if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
+ if (bpp < 8) bpp = 8;
+
+#if (GTK_MINOR_VERSION > 0)
+
+ if (!image.HasMask() && (bpp > 8))
+ {
+ 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;
+ }
-#ifndef USE_GDK_IMLIB
- M_BMPDATA->m_pixmap =
- gdk_pixmap_create_from_xpm_d( (GdkWindow*) &gdk_root_parent, &mask, NULL, (gchar **) bits );
-#else
- M_BMPDATA->m_pixmap = NULL;
- int res = gdk_imlib_data_to_pixmap( bits, &M_BMPDATA->m_pixmap, &mask );
#endif
-
- 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 = 24; // ?
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-};
-
+
+ // 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( wxRootWindow->window, width, height, 1 );
+
+ SetMask( mask );
+ }
+
+ // Render
+
+ enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
+ byte_order b_o = RGB;
+
+ if (bpp >= 24)
+ {
+ 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;
+ }
+
+ 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 15:
+ {
+ guint32 pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3);
+ gdk_image_put_pixel( data_image, x, y, pixel );
+ break;
+ }
+ case 16:
+ {
+ guint32 pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3);
+ 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
+{
+ 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( 16, 16, 16 ); // anything unlikely and dividable
+ }
+
+ 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 = gdk_window_get_visual( wxRootWindow->window );
+ 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] = 16;
+ data[pos+1] = 16;
+ data[pos+2] = 16;
+ }
+ }
+
+ pos += 3;
+ }
+ }
+
+ gdk_image_destroy( gdk_image );
+ if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
+
+ return image;
+}
+
wxBitmap::wxBitmap( const wxBitmap& bmp )
{
- Ref( bmp );
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-};
-
-wxBitmap::wxBitmap( const wxBitmap* bmp )
-{
- if (bmp) Ref( *bmp );
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-};
+ Ref( bmp );
-wxBitmap::wxBitmap( const wxString &filename, const int type )
+ if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+}
+
+wxBitmap::wxBitmap( const wxString &filename, int type )
{
- LoadFile( filename, type );
-};
+ LoadFile( filename, type );
+
+ if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+}
-// CMB 15/5/98: add constructor for xbm bitmaps
-wxBitmap::wxBitmap( const char bits[], const int width, const int height, const int WXUNUSED(depth))
+wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
{
- m_refData = new wxBitmapRefData();
+ m_refData = new wxBitmapRefData();
+
+ M_BMPDATA->m_mask = (wxMask *) NULL;
+ M_BMPDATA->m_bitmap =
+ gdk_bitmap_create_from_data( wxRootWindow->window, (gchar *) bits, width, height );
+ M_BMPDATA->m_width = width;
+ M_BMPDATA->m_height = height;
+ M_BMPDATA->m_bpp = 1;
- M_BMPDATA->m_mask = NULL;
- M_BMPDATA->m_bitmap =
- gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
- gdk_window_get_size( M_BMPDATA->m_bitmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
- M_BMPDATA->m_bpp = 1;
+ wxCHECK_RET( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}
-
-wxBitmap::~wxBitmap(void)
+
+wxBitmap::~wxBitmap()
{
- if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
-};
-
+ 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 (*this == bmp) return (*this);
+ 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") );
-int wxBitmap::GetWidth(void) const
+ return M_BMPDATA->m_height;
+}
+
+int wxBitmap::GetWidth() const
{
- if (!Ok()) return 0;
- return M_BMPDATA->m_width;
-};
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
-int wxBitmap::GetDepth(void) const
+ return M_BMPDATA->m_width;
+}
+
+int wxBitmap::GetDepth() const
{
- if (!Ok()) return 0;
- return M_BMPDATA->m_bpp;
-};
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_bpp;
+}
-void wxBitmap::SetHeight( const int height )
+wxMask *wxBitmap::GetMask() const
{
- if (!Ok()) return;
- M_BMPDATA->m_height = height;
-};
+ wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_mask;
+}
-void wxBitmap::SetWidth( const int width )
+void wxBitmap::SetMask( wxMask *mask )
{
- if (!Ok()) return;
- M_BMPDATA->m_width = width;
-};
+ wxCHECK_RET( Ok(), wxT("invalid bitmap") );
+
+ if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
-void wxBitmap::SetDepth( const int depth )
+ M_BMPDATA->m_mask = mask;
+}
+
+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( wxRootWindow->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;
- M_BMPDATA->m_bpp = depth;
-};
+ wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
+
+ // Try to save the bitmap via wxImage handlers:
+ {
+ wxImage image( *this );
+ if (image.Ok()) return image.SaveFile( name, type );
+ }
+
+ return FALSE;
+}
-wxMask *wxBitmap::GetMask(void) const
+bool wxBitmap::LoadFile( const wxString &name, int type )
{
- if (!Ok()) return NULL;
- return M_BMPDATA->m_mask;
-};
+ UnRef();
-void wxBitmap::SetMask( wxMask *mask )
+ if (!wxFileExists(name)) return FALSE;
+
+ GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+ wxASSERT( visual );
+
+ if (type == wxBITMAP_TYPE_XPM)
+ {
+ m_refData = new wxBitmapRefData();
+
+ GdkBitmap *mask = (GdkBitmap*) NULL;
+
+ M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( wxRootWindow->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) );
+
+ M_BMPDATA->m_bpp = visual->depth;
+ }
+ 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;
+ }
+
+ return TRUE;
+}
+
+wxPalette *wxBitmap::GetPalette() const
{
- if (!Ok()) return;
- if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
- M_BMPDATA->m_mask = mask;
-};
+ if (!Ok()) return (wxPalette *) NULL;
+
+ return M_BMPDATA->m_palette;
+}
-bool wxBitmap::SaveFile( const wxString &WXUNUSED(name), const int WXUNUSED(type),
- wxPalette *WXUNUSED(palette) )
+void wxBitmap::SetHeight( int height )
{
- return FALSE;
-};
+ if (!m_refData) m_refData = new wxBitmapRefData();
+
+ M_BMPDATA->m_height = height;
+}
-bool wxBitmap::LoadFile( const wxString &name, const int WXUNUSED(type) )
+void wxBitmap::SetWidth( int width )
{
-#ifdef USE_GDK_IMLIB
+ if (!m_refData) m_refData = new wxBitmapRefData();
- UnRef();
- m_refData = new wxBitmapRefData();
- M_BMPDATA->m_mask = NULL;
+ M_BMPDATA->m_width = width;
+}
- GdkBitmap *mask = NULL;
-
- int res = gdk_imlib_load_file_to_pixmap( WXSTRINGCAST name, &M_BMPDATA->m_pixmap, &mask );
+void wxBitmap::SetDepth( int depth )
+{
+ if (!m_refData) m_refData = new wxBitmapRefData();
- if (res != 1)
- {
- UnRef();
- return FALSE;
- };
-
- 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 = 24; // ?
-
- return TRUE;
-#endif
+ M_BMPDATA->m_bpp = depth;
+}
- return FALSE;
-};
-
-wxPalette *wxBitmap::GetPalette(void) const
+void wxBitmap::SetPixmap( GdkPixmap *pixmap )
{
- if (!Ok()) return NULL;
- return M_BMPDATA->m_palette;
-};
+ if (!m_refData) m_refData = new wxBitmapRefData();
-GdkPixmap *wxBitmap::GetPixmap(void) const
+ M_BMPDATA->m_pixmap = pixmap;
+}
+
+void wxBitmap::SetBitmap( GdkPixmap *bitmap )
{
- if (!Ok()) return NULL;
- return M_BMPDATA->m_pixmap;
-};
-
-GdkBitmap *wxBitmap::GetBitmap(void) const
+ if (!m_refData) m_refData = new wxBitmapRefData();
+
+ M_BMPDATA->m_bitmap = bitmap;
+}
+
+GdkPixmap *wxBitmap::GetPixmap() const
{
- if (!Ok()) return NULL;
- return M_BMPDATA->m_bitmap;
-};
-
+ wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid 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