forked from AuroraMiddleware/gtk
1d838f586c
There are sure regressions but basic stuff seems to be working again after all the API breakage done with comments like "Win32 and Quartz need to be ported still."
838 lines
20 KiB
C
838 lines
20 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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* Copyright (C) 1998-2002 Tor Lillqvist
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#define GDK_PIXBUF_ENABLE_BACKEND /* Ugly? */
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#include "gdkdisplay.h"
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#include "gdkscreen.h"
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#include "gdkcursor.h"
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#include "gdkprivate-win32.h"
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#include "gdkwin32cursor.h"
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#ifdef __MINGW32__
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#include <w32api.h>
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#endif
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#include "xcursors.h"
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#if (defined(__MINGW32__) && (__W32API_MAJOR_VERSION < 3 || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION < 8))) || (defined(_MSC_VER) && (WINVER < 0x0500))
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typedef struct {
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DWORD bV5Size;
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LONG bV5Width;
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LONG bV5Height;
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WORD bV5Planes;
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WORD bV5BitCount;
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DWORD bV5Compression;
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DWORD bV5SizeImage;
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LONG bV5XPelsPerMeter;
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LONG bV5YPelsPerMeter;
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DWORD bV5ClrUsed;
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DWORD bV5ClrImportant;
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DWORD bV5RedMask;
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DWORD bV5GreenMask;
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DWORD bV5BlueMask;
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DWORD bV5AlphaMask;
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DWORD bV5CSType;
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CIEXYZTRIPLE bV5Endpoints;
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DWORD bV5GammaRed;
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DWORD bV5GammaGreen;
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DWORD bV5GammaBlue;
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DWORD bV5Intent;
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DWORD bV5ProfileData;
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DWORD bV5ProfileSize;
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DWORD bV5Reserved;
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} BITMAPV5HEADER;
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#endif
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static HCURSOR
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hcursor_from_type (GdkCursorType cursor_type)
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{
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gint i, j, x, y, ofs;
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HCURSOR rv;
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gint w, h;
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guchar *and_plane, *xor_plane;
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if (cursor_type != GDK_BLANK_CURSOR)
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{
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for (i = 0; i < G_N_ELEMENTS (cursors); i++)
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if (cursors[i].type == cursor_type)
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break;
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if (i >= G_N_ELEMENTS (cursors) || !cursors[i].name)
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return NULL;
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/* Use real Win32 cursor if possible */
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if (cursors[i].builtin)
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return LoadCursor (NULL, cursors[i].builtin);
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}
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w = GetSystemMetrics (SM_CXCURSOR);
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h = GetSystemMetrics (SM_CYCURSOR);
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and_plane = g_malloc ((w/8) * h);
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memset (and_plane, 0xff, (w/8) * h);
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xor_plane = g_malloc ((w/8) * h);
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memset (xor_plane, 0, (w/8) * h);
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if (cursor_type != GDK_BLANK_CURSOR)
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{
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#define SET_BIT(v,b) (v |= (1 << b))
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#define RESET_BIT(v,b) (v &= ~(1 << b))
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for (j = 0, y = 0; y < cursors[i].height && y < h ; y++)
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{
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ofs = (y * w) / 8;
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j = y * cursors[i].width;
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for (x = 0; x < cursors[i].width && x < w ; x++, j++)
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{
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gint pofs = ofs + x / 8;
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guchar data = (cursors[i].data[j/4] & (0xc0 >> (2 * (j%4)))) >> (2 * (3 - (j%4)));
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gint bit = 7 - (j % cursors[i].width) % 8;
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if (data)
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{
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RESET_BIT (and_plane[pofs], bit);
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if (data == 1)
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SET_BIT (xor_plane[pofs], bit);
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}
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}
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}
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#undef SET_BIT
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#undef RESET_BIT
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rv = CreateCursor (_gdk_app_hmodule, cursors[i].hotx, cursors[i].hoty,
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w, h, and_plane, xor_plane);
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}
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else
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{
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rv = CreateCursor (_gdk_app_hmodule, 0, 0,
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w, h, and_plane, xor_plane);
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}
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if (rv == NULL)
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WIN32_API_FAILED ("CreateCursor");
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g_free (and_plane);
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g_free (xor_plane);
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return rv;
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}
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struct _GdkWin32CursorClass
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{
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GdkCursorClass cursor_class;
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};
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G_DEFINE_TYPE (GdkWin32Cursor, gdk_win32_cursor, GDK_TYPE_CURSOR)
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static void
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_gdk_win32_cursor_finalize (GObject *object)
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{
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GdkWin32Cursor *private = GDK_WIN32_CURSOR (object);
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if (GetCursor () == private->hcursor)
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SetCursor (NULL);
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if (!DestroyCursor (private->hcursor))
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WIN32_API_FAILED ("DestroyCursor");
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G_OBJECT_CLASS (gdk_win32_cursor_parent_class)->finalize (object);
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}
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static GdkCursor*
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cursor_new_from_hcursor (HCURSOR hcursor,
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GdkCursorType cursor_type)
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{
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GdkWin32Cursor *private;
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GdkCursor *cursor;
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private = g_object_new (GDK_TYPE_WIN32_CURSOR,
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"cursor-type", cursor_type,
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"display", _gdk_display,
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NULL);
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private->hcursor = hcursor;
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cursor = (GdkCursor*) private;
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return cursor;
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}
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GdkCursor*
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_gdk_win32_display_get_cursor_for_type (GdkDisplay *display,
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GdkCursorType cursor_type)
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{
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HCURSOR hcursor;
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g_return_val_if_fail (display == _gdk_display, NULL);
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hcursor = hcursor_from_type (cursor_type);
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if (hcursor == NULL)
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g_warning ("gdk_cursor_new_for_display: no cursor %d found", cursor_type);
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else
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GDK_NOTE (CURSOR, g_print ("gdk_cursor_new_for_display: %d: %p\n",
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cursor_type, hcursor));
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return cursor_new_from_hcursor (hcursor, cursor_type);
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}
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/* FIXME: The named cursors below are presumably not really useful, as
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* the names are Win32-specific. No GTK+ application developed on Unix
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* (and most cross-platform GTK+ apps are developed on Unix) is going
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* to look for cursors under these Win32 names anyway.
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*
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* Would the following make any sense: The ms-windows theme engine
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* calls some (to-be-defined private) API here in gdk/win32 to
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* register the relevant cursors used by the currently active XP
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* visual style under the names that libgtk uses to look for them
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* ("color-picker", "dnd-ask", "dnd-copy", etc), and then when libgtk
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* asks for those we return the ones registered by the ms-windows
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* theme engine, if any.
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*/
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static struct {
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char *name;
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char *id;
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} default_cursors[] = {
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{ "appstarting", IDC_APPSTARTING },
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{ "arrow", IDC_ARROW },
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{ "cross", IDC_CROSS },
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#ifdef IDC_HAND
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{ "hand", IDC_HAND },
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#endif
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{ "help", IDC_HELP },
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{ "ibeam", IDC_IBEAM },
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{ "sizeall", IDC_SIZEALL },
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{ "sizenesw", IDC_SIZENESW },
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{ "sizens", IDC_SIZENS },
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{ "sizenwse", IDC_SIZENWSE },
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{ "sizewe", IDC_SIZEWE },
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{ "uparrow", IDC_UPARROW },
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{ "wait", IDC_WAIT }
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};
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GdkCursor*
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_gdk_win32_display_get_cursor_for_name (GdkDisplay *display,
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const gchar *name)
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{
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HCURSOR hcursor = NULL;
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int i;
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g_return_val_if_fail (display == _gdk_display, NULL);
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for (i = 0; i < G_N_ELEMENTS(default_cursors); i++)
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{
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if (0 == strcmp(default_cursors[i].name, name))
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hcursor = LoadCursor (NULL, default_cursors[i].id);
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}
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/* allow to load named cursor resources linked into the executable */
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if (!hcursor)
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hcursor = LoadCursor (_gdk_app_hmodule, name);
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if (hcursor)
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return cursor_new_from_hcursor (hcursor, GDK_X_CURSOR);
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return NULL;
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}
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GdkPixbuf *
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gdk_win32_icon_to_pixbuf_libgtk_only (HICON hicon)
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{
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GdkPixbuf *pixbuf = NULL;
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ICONINFO ii;
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struct
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{
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BITMAPINFOHEADER bi;
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RGBQUAD colors[2];
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} bmi;
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HDC hdc;
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guchar *pixels, *bits;
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gchar buf[32];
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gint rowstride, x, y, w, h;
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if (!GDI_CALL (GetIconInfo, (hicon, &ii)))
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return NULL;
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if (!(hdc = CreateCompatibleDC (NULL)))
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{
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WIN32_GDI_FAILED ("CreateCompatibleDC");
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goto out0;
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}
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memset (&bmi, 0, sizeof (bmi));
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bmi.bi.biSize = sizeof (bmi.bi);
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if (ii.hbmColor != NULL)
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{
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/* Colour cursor */
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gboolean no_alpha;
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if (!GDI_CALL (GetDIBits, (hdc, ii.hbmColor, 0, 1, NULL, (BITMAPINFO *)&bmi, DIB_RGB_COLORS)))
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goto out1;
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w = bmi.bi.biWidth;
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h = bmi.bi.biHeight;
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bmi.bi.biBitCount = 32;
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bmi.bi.biCompression = BI_RGB;
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bmi.bi.biHeight = -h;
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bits = g_malloc0 (4 * w * h);
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/* color data */
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if (!GDI_CALL (GetDIBits, (hdc, ii.hbmColor, 0, h, bits, (BITMAPINFO *)&bmi, DIB_RGB_COLORS)))
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goto out2;
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pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, w, h);
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pixels = gdk_pixbuf_get_pixels (pixbuf);
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rowstride = gdk_pixbuf_get_rowstride (pixbuf);
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no_alpha = TRUE;
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for (y = 0; y < h; y++)
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{
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for (x = 0; x < w; x++)
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{
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pixels[2] = bits[(x+y*w) * 4];
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pixels[1] = bits[(x+y*w) * 4 + 1];
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pixels[0] = bits[(x+y*w) * 4 + 2];
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pixels[3] = bits[(x+y*w) * 4 + 3];
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if (no_alpha && pixels[3] > 0)
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no_alpha = FALSE;
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pixels += 4;
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}
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pixels += (w * 4 - rowstride);
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}
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/* mask */
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if (no_alpha &&
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GDI_CALL (GetDIBits, (hdc, ii.hbmMask, 0, h, bits, (BITMAPINFO *)&bmi, DIB_RGB_COLORS)))
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{
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pixels = gdk_pixbuf_get_pixels (pixbuf);
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for (y = 0; y < h; y++)
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{
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for (x = 0; x < w; x++)
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{
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pixels[3] = 255 - bits[(x + y * w) * 4];
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pixels += 4;
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}
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pixels += (w * 4 - rowstride);
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}
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}
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}
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else
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{
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/* B&W cursor */
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int bpl;
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if (!GDI_CALL (GetDIBits, (hdc, ii.hbmMask, 0, 0, NULL, (BITMAPINFO *)&bmi, DIB_RGB_COLORS)))
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goto out1;
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w = bmi.bi.biWidth;
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h = ABS (bmi.bi.biHeight) / 2;
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bits = g_malloc0 (4 * w * h);
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/* masks */
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if (!GDI_CALL (GetDIBits, (hdc, ii.hbmMask, 0, h*2, bits, (BITMAPINFO *)&bmi, DIB_RGB_COLORS)))
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goto out2;
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pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, w, h);
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pixels = gdk_pixbuf_get_pixels (pixbuf);
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rowstride = gdk_pixbuf_get_rowstride (pixbuf);
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bpl = ((w-1)/32 + 1)*4;
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#if 0
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for (y = 0; y < h*2; y++)
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{
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for (x = 0; x < w; x++)
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{
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const gint bit = 7 - (x % 8);
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printf ("%c ", ((bits[bpl*y+x/8])&(1<<bit)) ? ' ' : 'X');
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}
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printf ("\n");
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}
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#endif
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for (y = 0; y < h; y++)
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{
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const guchar *andp, *xorp;
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if (bmi.bi.biHeight < 0)
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{
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andp = bits + bpl*y;
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xorp = bits + bpl*(h+y);
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}
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else
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{
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andp = bits + bpl*(h-y-1);
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xorp = bits + bpl*(h+h-y-1);
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}
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for (x = 0; x < w; x++)
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{
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const gint bit = 7 - (x % 8);
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if ((*andp) & (1<<bit))
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{
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if ((*xorp) & (1<<bit))
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pixels[2] = pixels[1] = pixels[0] = 0xFF;
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else
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pixels[2] = pixels[1] = pixels[0] = 0;
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pixels[3] = 0xFF;
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}
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else
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{
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pixels[2] = pixels[1] = pixels[0] = 0;
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pixels[3] = 0;
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}
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pixels += 4;
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if (bit == 0)
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{
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andp++;
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xorp++;
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}
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}
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pixels += (w * 4 - rowstride);
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}
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}
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g_snprintf (buf, sizeof (buf), "%ld", ii.xHotspot);
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gdk_pixbuf_set_option (pixbuf, "x_hot", buf);
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g_snprintf (buf, sizeof (buf), "%ld", ii.yHotspot);
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gdk_pixbuf_set_option (pixbuf, "y_hot", buf);
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/* release temporary resources */
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out2:
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g_free (bits);
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out1:
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DeleteDC (hdc);
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out0:
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DeleteObject (ii.hbmColor);
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DeleteObject (ii.hbmMask);
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return pixbuf;
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}
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static GdkPixbuf *
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_gdk_win32_cursor_get_image (GdkCursor *cursor)
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{
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g_return_val_if_fail (cursor != NULL, NULL);
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return gdk_win32_icon_to_pixbuf_libgtk_only (((GdkWin32Cursor *) cursor)->hcursor);
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}
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GdkCursor *
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_gdk_win32_display_get_cursor_for_pixbuf (GdkDisplay *display,
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GdkPixbuf *pixbuf,
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gint x,
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gint y)
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{
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HCURSOR hcursor;
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g_return_val_if_fail (display == _gdk_display, NULL);
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g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
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g_return_val_if_fail (0 <= x && x < gdk_pixbuf_get_width (pixbuf), NULL);
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g_return_val_if_fail (0 <= y && y < gdk_pixbuf_get_height (pixbuf), NULL);
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hcursor = _gdk_win32_pixbuf_to_hcursor (pixbuf, x, y);
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if (!hcursor)
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return NULL;
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return cursor_new_from_hcursor (hcursor, GDK_CURSOR_IS_PIXMAP);
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}
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gboolean
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_gdk_win32_display_supports_cursor_alpha (GdkDisplay *display)
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{
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g_return_val_if_fail (display == _gdk_display, FALSE);
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return _gdk_win32_pixbuf_to_hicon_supports_alpha ();
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}
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gboolean
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_gdk_win32_display_supports_cursor_color (GdkDisplay *display)
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{
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g_return_val_if_fail (display == _gdk_display, FALSE);
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return TRUE;
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}
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void
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_gdk_win32_display_get_default_cursor_size (GdkDisplay *display,
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guint *width,
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guint *height)
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{
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g_return_if_fail (display == _gdk_display);
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if (width)
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*width = GetSystemMetrics (SM_CXCURSOR);
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if (height)
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*height = GetSystemMetrics (SM_CYCURSOR);
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}
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void
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_gdk_win32_display_get_maximal_cursor_size (GdkDisplay *display,
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guint *width,
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guint *height)
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{
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g_return_if_fail (display == _gdk_display);
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if (width)
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*width = GetSystemMetrics (SM_CXCURSOR);
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if (height)
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*height = GetSystemMetrics (SM_CYCURSOR);
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}
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/* Convert a pixbuf to an HICON (or HCURSOR). Supports alpha under
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* Windows XP, thresholds alpha otherwise. Also used from
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* gdkwindow-win32.c for creating application icons.
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*/
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static HBITMAP
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create_alpha_bitmap (gint size,
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guchar **outdata)
|
|
{
|
|
BITMAPV5HEADER bi;
|
|
HDC hdc;
|
|
HBITMAP hBitmap;
|
|
|
|
ZeroMemory (&bi, sizeof (BITMAPV5HEADER));
|
|
bi.bV5Size = sizeof (BITMAPV5HEADER);
|
|
bi.bV5Height = bi.bV5Width = size;
|
|
bi.bV5Planes = 1;
|
|
bi.bV5BitCount = 32;
|
|
bi.bV5Compression = BI_BITFIELDS;
|
|
/* The following mask specification specifies a supported 32 BPP
|
|
* alpha format for Windows XP (BGRA format).
|
|
*/
|
|
bi.bV5RedMask = 0x00FF0000;
|
|
bi.bV5GreenMask = 0x0000FF00;
|
|
bi.bV5BlueMask = 0x000000FF;
|
|
bi.bV5AlphaMask = 0xFF000000;
|
|
|
|
/* Create the DIB section with an alpha channel. */
|
|
hdc = GetDC (NULL);
|
|
if (!hdc)
|
|
{
|
|
WIN32_GDI_FAILED ("GetDC");
|
|
return NULL;
|
|
}
|
|
hBitmap = CreateDIBSection (hdc, (BITMAPINFO *)&bi, DIB_RGB_COLORS,
|
|
(PVOID *) outdata, NULL, (DWORD)0);
|
|
if (hBitmap == NULL)
|
|
WIN32_GDI_FAILED ("CreateDIBSection");
|
|
ReleaseDC (NULL, hdc);
|
|
|
|
return hBitmap;
|
|
}
|
|
|
|
static HBITMAP
|
|
create_color_bitmap (gint size,
|
|
guchar **outdata,
|
|
gint bits)
|
|
{
|
|
struct {
|
|
BITMAPV4HEADER bmiHeader;
|
|
RGBQUAD bmiColors[2];
|
|
} bmi;
|
|
HDC hdc;
|
|
HBITMAP hBitmap;
|
|
|
|
ZeroMemory (&bmi, sizeof (bmi));
|
|
bmi.bmiHeader.bV4Size = sizeof (BITMAPV4HEADER);
|
|
bmi.bmiHeader.bV4Height = bmi.bmiHeader.bV4Width = size;
|
|
bmi.bmiHeader.bV4Planes = 1;
|
|
bmi.bmiHeader.bV4BitCount = bits;
|
|
bmi.bmiHeader.bV4V4Compression = BI_RGB;
|
|
|
|
/* when bits is 1, these will be used.
|
|
* bmiColors[0] already zeroed from ZeroMemory()
|
|
*/
|
|
bmi.bmiColors[1].rgbBlue = 0xFF;
|
|
bmi.bmiColors[1].rgbGreen = 0xFF;
|
|
bmi.bmiColors[1].rgbRed = 0xFF;
|
|
|
|
hdc = GetDC (NULL);
|
|
if (!hdc)
|
|
{
|
|
WIN32_GDI_FAILED ("GetDC");
|
|
return NULL;
|
|
}
|
|
hBitmap = CreateDIBSection (hdc, (BITMAPINFO *)&bmi, DIB_RGB_COLORS,
|
|
(PVOID *) outdata, NULL, (DWORD)0);
|
|
if (hBitmap == NULL)
|
|
WIN32_GDI_FAILED ("CreateDIBSection");
|
|
ReleaseDC (NULL, hdc);
|
|
|
|
return hBitmap;
|
|
}
|
|
|
|
static gboolean
|
|
pixbuf_to_hbitmaps_alpha_winxp (GdkPixbuf *pixbuf,
|
|
HBITMAP *color,
|
|
HBITMAP *mask)
|
|
{
|
|
/* Based on code from
|
|
* http://www.dotnet247.com/247reference/msgs/13/66301.aspx
|
|
*/
|
|
HBITMAP hColorBitmap, hMaskBitmap;
|
|
guchar *indata, *inrow;
|
|
guchar *colordata, *colorrow, *maskdata, *maskbyte;
|
|
gint width, height, size, i, i_offset, j, j_offset, rowstride;
|
|
guint maskstride, mask_bit;
|
|
|
|
width = gdk_pixbuf_get_width (pixbuf); /* width of icon */
|
|
height = gdk_pixbuf_get_height (pixbuf); /* height of icon */
|
|
|
|
/* The bitmaps are created square */
|
|
size = MAX (width, height);
|
|
|
|
hColorBitmap = create_alpha_bitmap (size, &colordata);
|
|
if (!hColorBitmap)
|
|
return FALSE;
|
|
hMaskBitmap = create_color_bitmap (size, &maskdata, 1);
|
|
if (!hMaskBitmap)
|
|
{
|
|
DeleteObject (hColorBitmap);
|
|
return FALSE;
|
|
}
|
|
|
|
/* MSDN says mask rows are aligned to "LONG" boundaries */
|
|
maskstride = (((size + 31) & ~31) >> 3);
|
|
|
|
indata = gdk_pixbuf_get_pixels (pixbuf);
|
|
rowstride = gdk_pixbuf_get_rowstride (pixbuf);
|
|
|
|
if (width > height)
|
|
{
|
|
i_offset = 0;
|
|
j_offset = (width - height) / 2;
|
|
}
|
|
else
|
|
{
|
|
i_offset = (height - width) / 2;
|
|
j_offset = 0;
|
|
}
|
|
|
|
for (j = 0; j < height; j++)
|
|
{
|
|
colorrow = colordata + 4*(j+j_offset)*size + 4*i_offset;
|
|
maskbyte = maskdata + (j+j_offset)*maskstride + i_offset/8;
|
|
mask_bit = (0x80 >> (i_offset % 8));
|
|
inrow = indata + (height-j-1)*rowstride;
|
|
for (i = 0; i < width; i++)
|
|
{
|
|
colorrow[4*i+0] = inrow[4*i+2];
|
|
colorrow[4*i+1] = inrow[4*i+1];
|
|
colorrow[4*i+2] = inrow[4*i+0];
|
|
colorrow[4*i+3] = inrow[4*i+3];
|
|
if (inrow[4*i+3] == 0)
|
|
maskbyte[0] |= mask_bit; /* turn ON bit */
|
|
else
|
|
maskbyte[0] &= ~mask_bit; /* turn OFF bit */
|
|
mask_bit >>= 1;
|
|
if (mask_bit == 0)
|
|
{
|
|
mask_bit = 0x80;
|
|
maskbyte++;
|
|
}
|
|
}
|
|
}
|
|
|
|
*color = hColorBitmap;
|
|
*mask = hMaskBitmap;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
pixbuf_to_hbitmaps_normal (GdkPixbuf *pixbuf,
|
|
HBITMAP *color,
|
|
HBITMAP *mask)
|
|
{
|
|
/* Based on code from
|
|
* http://www.dotnet247.com/247reference/msgs/13/66301.aspx
|
|
*/
|
|
HBITMAP hColorBitmap, hMaskBitmap;
|
|
guchar *indata, *inrow;
|
|
guchar *colordata, *colorrow, *maskdata, *maskbyte;
|
|
gint width, height, size, i, i_offset, j, j_offset, rowstride, nc, bmstride;
|
|
gboolean has_alpha;
|
|
guint maskstride, mask_bit;
|
|
|
|
width = gdk_pixbuf_get_width (pixbuf); /* width of icon */
|
|
height = gdk_pixbuf_get_height (pixbuf); /* height of icon */
|
|
|
|
/* The bitmaps are created square */
|
|
size = MAX (width, height);
|
|
|
|
hColorBitmap = create_color_bitmap (size, &colordata, 24);
|
|
if (!hColorBitmap)
|
|
return FALSE;
|
|
hMaskBitmap = create_color_bitmap (size, &maskdata, 1);
|
|
if (!hMaskBitmap)
|
|
{
|
|
DeleteObject (hColorBitmap);
|
|
return FALSE;
|
|
}
|
|
|
|
/* rows are always aligned on 4-byte boundarys */
|
|
bmstride = size * 3;
|
|
if (bmstride % 4 != 0)
|
|
bmstride += 4 - (bmstride % 4);
|
|
|
|
/* MSDN says mask rows are aligned to "LONG" boundaries */
|
|
maskstride = (((size + 31) & ~31) >> 3);
|
|
|
|
indata = gdk_pixbuf_get_pixels (pixbuf);
|
|
rowstride = gdk_pixbuf_get_rowstride (pixbuf);
|
|
nc = gdk_pixbuf_get_n_channels (pixbuf);
|
|
has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
|
|
|
|
if (width > height)
|
|
{
|
|
i_offset = 0;
|
|
j_offset = (width - height) / 2;
|
|
}
|
|
else
|
|
{
|
|
i_offset = (height - width) / 2;
|
|
j_offset = 0;
|
|
}
|
|
|
|
for (j = 0; j < height; j++)
|
|
{
|
|
colorrow = colordata + (j+j_offset)*bmstride + 3*i_offset;
|
|
maskbyte = maskdata + (j+j_offset)*maskstride + i_offset/8;
|
|
mask_bit = (0x80 >> (i_offset % 8));
|
|
inrow = indata + (height-j-1)*rowstride;
|
|
for (i = 0; i < width; i++)
|
|
{
|
|
if (has_alpha && inrow[nc*i+3] < 128)
|
|
{
|
|
colorrow[3*i+0] = colorrow[3*i+1] = colorrow[3*i+2] = 0;
|
|
maskbyte[0] |= mask_bit; /* turn ON bit */
|
|
}
|
|
else
|
|
{
|
|
colorrow[3*i+0] = inrow[nc*i+2];
|
|
colorrow[3*i+1] = inrow[nc*i+1];
|
|
colorrow[3*i+2] = inrow[nc*i+0];
|
|
maskbyte[0] &= ~mask_bit; /* turn OFF bit */
|
|
}
|
|
mask_bit >>= 1;
|
|
if (mask_bit == 0)
|
|
{
|
|
mask_bit = 0x80;
|
|
maskbyte++;
|
|
}
|
|
}
|
|
}
|
|
|
|
*color = hColorBitmap;
|
|
*mask = hMaskBitmap;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static HICON
|
|
pixbuf_to_hicon (GdkPixbuf *pixbuf,
|
|
gboolean is_icon,
|
|
gint x,
|
|
gint y)
|
|
{
|
|
ICONINFO ii;
|
|
HICON icon;
|
|
gboolean success;
|
|
|
|
if (pixbuf == NULL)
|
|
return NULL;
|
|
|
|
if (_gdk_win32_pixbuf_to_hicon_supports_alpha() && gdk_pixbuf_get_has_alpha (pixbuf))
|
|
success = pixbuf_to_hbitmaps_alpha_winxp (pixbuf, &ii.hbmColor, &ii.hbmMask);
|
|
else
|
|
success = pixbuf_to_hbitmaps_normal (pixbuf, &ii.hbmColor, &ii.hbmMask);
|
|
|
|
if (!success)
|
|
return NULL;
|
|
|
|
ii.fIcon = is_icon;
|
|
ii.xHotspot = x;
|
|
ii.yHotspot = y;
|
|
icon = CreateIconIndirect (&ii);
|
|
DeleteObject (ii.hbmColor);
|
|
DeleteObject (ii.hbmMask);
|
|
return icon;
|
|
}
|
|
|
|
HICON
|
|
_gdk_win32_pixbuf_to_hicon (GdkPixbuf *pixbuf)
|
|
{
|
|
return pixbuf_to_hicon (pixbuf, TRUE, 0, 0);
|
|
}
|
|
|
|
HICON
|
|
_gdk_win32_pixbuf_to_hcursor (GdkPixbuf *pixbuf,
|
|
gint x_hotspot,
|
|
gint y_hotspot)
|
|
{
|
|
return pixbuf_to_hicon (pixbuf, FALSE, x_hotspot, y_hotspot);
|
|
}
|
|
|
|
gboolean
|
|
_gdk_win32_pixbuf_to_hicon_supports_alpha (void)
|
|
{
|
|
static gboolean is_win_xp=FALSE, is_win_xp_checked=FALSE;
|
|
|
|
if (!is_win_xp_checked)
|
|
{
|
|
OSVERSIONINFO version;
|
|
|
|
is_win_xp_checked = TRUE;
|
|
|
|
memset (&version, 0, sizeof (version));
|
|
version.dwOSVersionInfoSize = sizeof (version);
|
|
is_win_xp = GetVersionEx (&version)
|
|
&& version.dwPlatformId == VER_PLATFORM_WIN32_NT
|
|
&& (version.dwMajorVersion > 5
|
|
|| (version.dwMajorVersion == 5 && version.dwMinorVersion >= 1));
|
|
}
|
|
return is_win_xp;
|
|
}
|
|
|
|
HICON
|
|
gdk_win32_pixbuf_to_hicon_libgtk_only (GdkPixbuf *pixbuf)
|
|
{
|
|
return _gdk_win32_pixbuf_to_hicon (pixbuf);
|
|
}
|
|
|
|
static void
|
|
gdk_win32_cursor_init (GdkWin32Cursor *cursor)
|
|
{
|
|
}
|
|
static void
|
|
gdk_win32_cursor_class_init(GdkWin32CursorClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
GdkCursorClass *cursor_class = GDK_CURSOR_CLASS (klass);
|
|
|
|
object_class->finalize = _gdk_win32_cursor_finalize;
|
|
|
|
cursor_class->get_image = _gdk_win32_cursor_get_image;
|
|
}
|