g_main_context_set_poll_func( NULL, wxapp_poll_func );
#endif
- m_colorCube = (unsigned char*) NULL;
-
// this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
m_glVisualInfo = (void *) NULL;
m_glFBCInfo = (void *) NULL;
{
if (m_idleTag)
g_source_remove( m_idleTag );
-
- if (m_colorCube)
- free(m_colorCube);
}
bool wxApp::OnInitGui()
if ( !wxAppBase::OnInitGui() )
return false;
- GdkVisual *visual = gdk_visual_get_system();
-
// if this is a wxGLApp (derived from wxApp), and we've already
// chosen a specific visual, then derive the GdkVisual from that
if (m_glVisualInfo != NULL)
GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
gtk_widget_set_default_colormap( colormap );
-
- visual = vis;
}
// On some machines, the default visual is just 256 colours, so
GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
gtk_widget_set_default_colormap( colormap );
-
- visual = vis;
- }
-
- // Nothing to do for 15, 16, 24, 32 bit displays
- if (visual->depth > 8) return true;
-
- // initialize color cube for 8-bit color reduction dithering
-
- GdkColormap *cmap = gtk_widget_get_default_colormap();
-
- m_colorCube = (unsigned char*)malloc(32 * 32 * 32);
-
- for (int r = 0; r < 32; r++)
- {
- for (int g = 0; g < 32; g++)
- {
- for (int b = 0; b < 32; b++)
- {
- int rr = (r << 3) | (r >> 2);
- int gg = (g << 3) | (g >> 2);
- int bb = (b << 3) | (b >> 2);
-
- int index = -1;
-
- GdkColor *colors = cmap->colors;
- if (colors)
- {
- int max = 3 * 65536;
-
- for (int i = 0; i < cmap->size; i++)
- {
- int rdiff = ((rr << 8) - colors[i].red);
- int gdiff = ((gg << 8) - colors[i].green);
- int bdiff = ((bb << 8) - colors[i].blue);
- int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
- if (sum < max)
- {
- index = i; max = sum;
- }
- }
- }
- else
- {
- // assume 8-bit true or static colors. this really exists
- GdkVisual* vis = gdk_colormap_get_visual( cmap );
- index = (r >> (5 - vis->red_prec)) << vis->red_shift;
- index |= (g >> (5 - vis->green_prec)) << vis->green_shift;
- index |= (b >> (5 - vis->blue_prec)) << vis->blue_shift;
- }
- m_colorCube[ (r*1024) + (g*32) + b ] = index;
- }
- }
}
return true;
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 );
-
- g_object_unref (gc);
- return true;
- }
+ GdkGC *gc = gdk_gc_new( GetPixmap() );
- // Create picture image
+ gdk_draw_rgb_image( GetPixmap(),
+ gc,
+ 0, 0,
+ width, height,
+ GDK_RGB_DITHER_NONE,
+ image.GetData(),
+ width*3 );
- GdkImage *data_image =
- gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height );
+ g_object_unref (gc);
// 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 );
+ if (!image.HasMask())
+ return true;
- SetMask( mask );
- }
+ unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
- // Render
+ mask_image = gdk_image_new_bitmap( visual, mask_data, width, height );
- enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
- byte_order b_o = RGB;
+ wxMask *mask = new wxMask();
+ mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
- 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;
- }
+ SetMask( mask );
int r_mask = image.GetMaskRed();
int g_mask = image.GetMaskGreen();
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 );
- break;
- }
- default: break;
- }
+ 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 );
} // 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 );
-
- g_object_unref (data_image);
- g_object_unref (data_gc);
-
// Blit mask
- if (image.HasMask())
- {
- GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
+ 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 );
- g_object_unref (mask_image);
- g_object_unref (mask_gc);
- }
+ g_object_unref (mask_image);
+ g_object_unref (mask_gc);
return true;
}
projects / wxWidgets.git / commitdiff
