[gtk+] win32: Remove all mentions of visuals

[Benjamin Otte <otte src gnome org>]

commit ec06a717cedbfe42576f623891079143509cdaa6
Author: Benjamin Otte <otte redhat com>
Date:   Fri Nov 4 00:08:03 2016 +0100

    win32: Remove all mentions of visuals

 gdk/win32/gdkscreen-win32.c |  205 -------------------------------------------
 1 files changed, 0 insertions(+), 205 deletions(-)
---
diff --git a/gdk/win32/gdkscreen-win32.c b/gdk/win32/gdkscreen-win32.c
index b6fccae..88568cc 100644
--- a/gdk/win32/gdkscreen-win32.c
+++ b/gdk/win32/gdkscreen-win32.c
@@ -31,11 +31,6 @@ struct _GdkWin32Screen
 {
   GdkScreen parent_instance;
 
-  GdkVisual *system_visual;
-  GdkVisual *rgba_visual;
-  gint available_visual_depths[1];
-  GdkVisualType available_visual_types[1];
-
   GdkWindow *root_window;
 };
 
@@ -46,206 +41,6 @@ struct _GdkWin32ScreenClass
 
 G_DEFINE_TYPE (GdkWin32Screen, gdk_win32_screen, GDK_TYPE_SCREEN)
 
-static gint
-get_color_precision (gulong mask)
-{
-  gint p = 0;
-
-  while (mask & 0x1)
-    {
-      p++;
-      mask >>= 1;
-    }
-
-  return p;
-}
-
-static GdkVisual *
-init_visual (GdkScreen *screen,
-             gboolean is_rgba)
-{
-  GdkVisual *visual;
-  struct
-  {
-    BITMAPINFOHEADER bi;
-    union
-    {
-      RGBQUAD colors[256];
-      DWORD fields[256];
-    } u;
-  } bmi;
-  HBITMAP hbm;
-
-  const gint rastercaps = GetDeviceCaps (_gdk_display_hdc, RASTERCAPS);
-  const int numcolors = GetDeviceCaps (_gdk_display_hdc, NUMCOLORS);
-  gint bitspixel = GetDeviceCaps (_gdk_display_hdc, BITSPIXEL);
-  gint map_entries = 0;
-
-  visual = g_object_new (GDK_TYPE_VISUAL, NULL);
-  visual->screen = screen;
-
-  if (rastercaps & RC_PALETTE)
-    {
-      const int sizepalette = GetDeviceCaps (_gdk_display_hdc, SIZEPALETTE);
-      gchar *max_colors = getenv ("GDK_WIN32_MAX_COLORS");
-      visual->type = GDK_VISUAL_PSEUDO_COLOR;
-
-      g_assert (sizepalette == 256);
-
-      if (max_colors != NULL)
-        _gdk_max_colors = atoi (max_colors);
-
-      map_entries = _gdk_max_colors;
-
-      if (map_entries >= 16 && map_entries < sizepalette)
-        {
-          if (map_entries < 32)
-            {
-              map_entries = 16;
-              visual->type = GDK_VISUAL_STATIC_COLOR;
-              bitspixel = 4;
-            }
-          else if (map_entries < 64)
-            {
-              map_entries = 32;
-              bitspixel = 5;
-            }
-          else if (map_entries < 128)
-            {
-              map_entries = 64;
-              bitspixel = 6;
-            }
-          else if (map_entries < 256)
-            {
-              map_entries = 128;
-              bitspixel = 7;
-            }
-          else
-            g_assert_not_reached ();
-        }
-      else
-        map_entries = sizepalette;
-    }
-  else if (bitspixel == 1 && numcolors == 16)
-    {
-      bitspixel = 4;
-      visual->type = GDK_VISUAL_STATIC_COLOR;
-      map_entries = 16;
-    }
-  else if (bitspixel == 1)
-    {
-      visual->type = GDK_VISUAL_STATIC_GRAY;
-      map_entries = 2;
-    }
-  else if (bitspixel == 4)
-    {
-      visual->type = GDK_VISUAL_STATIC_COLOR;
-      map_entries = 16;
-    }
-  else if (bitspixel == 8)
-    {
-      visual->type = GDK_VISUAL_STATIC_COLOR;
-      map_entries = 256;
-    }
-  else if (bitspixel == 16)
-    {
-      visual->type = GDK_VISUAL_TRUE_COLOR;
-#if 1
-      /* This code by Mike Enright,
-       * see http://www.users.cts.com/sd/m/menright/display.html
-       */
-      memset (&bmi, 0, sizeof (bmi));
-      bmi.bi.biSize = sizeof (bmi.bi);
-
-      hbm = CreateCompatibleBitmap (_gdk_display_hdc, 1, 1);
-      GetDIBits (_gdk_display_hdc, hbm, 0, 1, NULL,
-                 (BITMAPINFO *) &bmi, DIB_RGB_COLORS);
-      GetDIBits (_gdk_display_hdc, hbm, 0, 1, NULL,
-                 (BITMAPINFO *) &bmi, DIB_RGB_COLORS);
-      DeleteObject (hbm);
-
-      if (bmi.bi.biCompression != BI_BITFIELDS)
-        {
-          /* Either BI_RGB or BI_RLE_something
-           * .... or perhaps (!!) something else.
-           * Theoretically biCompression might be
-           * mmioFourCC('c','v','i','d') but I doubt it.
-           */
-          if (bmi.bi.biCompression == BI_RGB)
-            {
-              /* It's 555 */
-              bitspixel = 15;
-              visual->red_mask   = 0x00007C00;
-              visual->green_mask = 0x000003E0;
-              visual->blue_mask  = 0x0000001F;
-            }
-          else
-            {
-              g_assert_not_reached ();
-            }
-        }
-      else
-        {
-          DWORD allmasks =
-            bmi.u.fields[0] | bmi.u.fields[1] | bmi.u.fields[2];
-          int k = 0;
-          while (allmasks)
-            {
-              if (allmasks&1)
-                k++;
-              allmasks/=2;
-            }
-          bitspixel = k;
-          visual->red_mask = bmi.u.fields[0];
-          visual->green_mask = bmi.u.fields[1];
-          visual->blue_mask  = bmi.u.fields[2];
-        }
-#else
-      /* Old, incorrect (but still working) code. */
-#if 0
-      visual->red_mask   = 0x0000F800;
-      visual->green_mask = 0x000007E0;
-      visual->blue_mask  = 0x0000001F;
-#else
-      visual->red_mask   = 0x00007C00;
-      visual->green_mask = 0x000003E0;
-      visual->blue_mask  = 0x0000001F;
-#endif
-#endif
-    }
-  else if (bitspixel == 24 || bitspixel == 32)
-    {
-      if (!is_rgba)
-        bitspixel = 24;
-      visual->type = GDK_VISUAL_TRUE_COLOR;
-      visual->red_mask   = 0x00FF0000;
-      visual->green_mask = 0x0000FF00;
-      visual->blue_mask  = 0x000000FF;
-    }
-  else
-    g_error ("_gdk_visual_init: unsupported BITSPIXEL: %d\n", bitspixel);
-
-  visual->depth = bitspixel;
-  visual->byte_order = GDK_LSB_FIRST;
-  visual->bits_per_rgb = 42; /* Not used? */
-
-  if ((visual->type != GDK_VISUAL_TRUE_COLOR) &&
-      (visual->type != GDK_VISUAL_DIRECT_COLOR))
-    {
-      visual->red_mask = 0;
-      visual->green_mask = 0;
-      visual->blue_mask = 0;
-    }
-  else
-    map_entries = 1 << (MAX (get_color_precision (visual->red_mask),
-                             MAX (get_color_precision (visual->green_mask),
-                                  get_color_precision (visual->blue_mask))));
-
-  visual->colormap_size = map_entries;
-
-  return visual;
-}
-
 static gboolean
 init_root_window_size (GdkWin32Screen *screen)
 {