add cairo

1 files changed, 2318 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/src/win32/cairo-win32-font.c b/libs/cairo-1.16.0/src/win32/cairo-win32-font.c
new file mode 100644
index 0000000..1f21757
--- /dev/null
+++ b/libs/cairo-1.16.0/src/win32/cairo-win32-font.c
@@ -0,0 +1,2318 @@
+/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2005 Red Hat, Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is the cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is Red Hat, Inc.
+ *
+ * Contributor(s):
+ */
+
+#define WIN32_LEAN_AND_MEAN
+/* We require Windows 2000 features such as GetGlyphIndices */
+#if !defined(WINVER) || (WINVER < 0x0500)
+# define WINVER 0x0500
+#endif
+#if !defined(_WIN32_WINNT) || (_WIN32_WINNT < 0x0500)
+# define _WIN32_WINNT 0x0500
+#endif
+
+#include "cairoint.h"
+
+#include "cairo-win32-private.h"
+
+#include "cairo-array-private.h"
+#include "cairo-error-private.h"
+#include "cairo-image-surface-private.h"
+#include "cairo-pattern-private.h"
+#include "cairo-scaled-font-subsets-private.h"
+
+#include <wchar.h>
+
+#ifndef SPI_GETFONTSMOOTHINGTYPE
+#define SPI_GETFONTSMOOTHINGTYPE 0x200a
+#endif
+#ifndef FE_FONTSMOOTHINGCLEARTYPE
+#define FE_FONTSMOOTHINGCLEARTYPE 2
+#endif
+#ifndef CLEARTYPE_QUALITY
+#define CLEARTYPE_QUALITY 5
+#endif
+#ifndef TT_PRIM_CSPLINE
+#define TT_PRIM_CSPLINE 3
+#endif
+
+#define CMAP_TAG 0x70616d63
+
+/**
+ * SECTION:cairo-win32-fonts
+ * @Title: Win32 Fonts
+ * @Short_Description: Font support for Microsoft Windows
+ * @See_Also: #cairo_font_face_t
+ *
+ * The Microsoft Windows font backend is primarily used to render text on
+ * Microsoft Windows systems.
+ **/
+
+/**
+ * CAIRO_HAS_WIN32_FONT:
+ *
+ * Defined if the Microsoft Windows font backend is available.
+ * This macro can be used to conditionally compile backend-specific code.
+ *
+ * Since: 1.8
+ **/
+
+const cairo_scaled_font_backend_t _cairo_win32_scaled_font_backend;
+
+typedef struct {
+    cairo_scaled_font_t base;
+
+    LOGFONTW logfont;
+
+    BYTE quality;
+
+    /* We do drawing and metrics computation in a "logical space" which
+     * is similar to font space, except that it is scaled by a factor
+     * of the (desired font size) * (WIN32_FONT_LOGICAL_SCALE). The multiplication
+     * by WIN32_FONT_LOGICAL_SCALE allows for sub-pixel precision.
+     */
+    double logical_scale;
+
+    /* The size we should actually request the font at from Windows; differs
+     * from the logical_scale because it is quantized for orthogonal
+     * transformations
+     */
+    double logical_size;
+
+    /* Transformations from device <=> logical space
+     */
+    cairo_matrix_t logical_to_device;
+    cairo_matrix_t device_to_logical;
+
+    /* We special case combinations of 90-degree-rotations, scales and
+     * flips ... that is transformations that take the axes to the
+     * axes. If preserve_axes is true, then swap_axes/swap_x/swap_y
+     * encode the 8 possibilities for orientation (4 rotation angles with
+     * and without a flip), and scale_x, scale_y the scale components.
+     */
+    cairo_bool_t preserve_axes;
+    cairo_bool_t swap_axes;
+    cairo_bool_t swap_x;
+    cairo_bool_t swap_y;
+    double x_scale;
+    double y_scale;
+
+    /* The size of the design unit of the font
+     */
+    int em_square;
+
+    HFONT scaled_hfont;
+    HFONT unscaled_hfont;
+
+    cairo_bool_t is_bitmap;
+    cairo_bool_t is_type1;
+    cairo_bool_t delete_scaled_hfont;
+    cairo_bool_t has_type1_notdef_index;
+    unsigned long type1_notdef_index;
+} cairo_win32_scaled_font_t;
+
+static cairo_status_t
+_cairo_win32_scaled_font_set_metrics (cairo_win32_scaled_font_t *scaled_font);
+
+static cairo_status_t
+_cairo_win32_scaled_font_init_glyph_metrics (cairo_win32_scaled_font_t *scaled_font,
+					     cairo_scaled_glyph_t      *scaled_glyph);
+
+static cairo_status_t
+_cairo_win32_scaled_font_init_glyph_surface (cairo_win32_scaled_font_t *scaled_font,
+                                             cairo_scaled_glyph_t      *scaled_glyph);
+
+static cairo_status_t
+_cairo_win32_scaled_font_init_glyph_path (cairo_win32_scaled_font_t *scaled_font,
+					  cairo_scaled_glyph_t      *scaled_glyph);
+
+#define NEARLY_ZERO(d) (fabs(d) < (1. / 65536.))
+
+static HDC
+_get_global_font_dc (void)
+{
+    static HDC hdc;
+
+    if (!hdc) {
+	hdc = CreateCompatibleDC (NULL);
+	if (!hdc) {
+	    _cairo_win32_print_gdi_error ("_get_global_font_dc");
+	    return NULL;
+	}
+
+	if (!SetGraphicsMode (hdc, GM_ADVANCED)) {
+	    _cairo_win32_print_gdi_error ("_get_global_font_dc");
+	    DeleteDC (hdc);
+	    return NULL;
+	}
+    }
+
+    return hdc;
+}
+
+static cairo_status_t
+_compute_transform (cairo_win32_scaled_font_t *scaled_font,
+		    cairo_matrix_t            *sc)
+{
+    cairo_status_t status;
+
+    if (NEARLY_ZERO (sc->yx) && NEARLY_ZERO (sc->xy) &&
+	    !NEARLY_ZERO(sc->xx) && !NEARLY_ZERO(sc->yy)) {
+	scaled_font->preserve_axes = TRUE;
+	scaled_font->x_scale = sc->xx;
+	scaled_font->swap_x = (sc->xx < 0);
+	scaled_font->y_scale = sc->yy;
+	scaled_font->swap_y = (sc->yy < 0);
+	scaled_font->swap_axes = FALSE;
+
+    } else if (NEARLY_ZERO (sc->xx) && NEARLY_ZERO (sc->yy) &&
+	    !NEARLY_ZERO(sc->yx) && !NEARLY_ZERO(sc->xy)) {
+	scaled_font->preserve_axes = TRUE;
+	scaled_font->x_scale = sc->yx;
+	scaled_font->swap_x = (sc->yx < 0);
+	scaled_font->y_scale = sc->xy;
+	scaled_font->swap_y = (sc->xy < 0);
+	scaled_font->swap_axes = TRUE;
+
+    } else {
+	scaled_font->preserve_axes = FALSE;
+	scaled_font->swap_x = scaled_font->swap_y = scaled_font->swap_axes = FALSE;
+    }
+
+    if (scaled_font->preserve_axes) {
+	if (scaled_font->swap_x)
+	    scaled_font->x_scale = - scaled_font->x_scale;
+	if (scaled_font->swap_y)
+	    scaled_font->y_scale = - scaled_font->y_scale;
+
+	scaled_font->logical_scale = WIN32_FONT_LOGICAL_SCALE * scaled_font->y_scale;
+	scaled_font->logical_size = WIN32_FONT_LOGICAL_SCALE *
+                                    _cairo_lround (scaled_font->y_scale);
+    }
+
+    /* The font matrix has x and y "scale" components which we extract and
+     * use as character scale values.
+     */
+    cairo_matrix_init (&scaled_font->logical_to_device,
+		       sc->xx, sc->yx, sc->xy, sc->yy, 0, 0);
+
+    if (!scaled_font->preserve_axes) {
+	status = _cairo_matrix_compute_basis_scale_factors (&scaled_font->logical_to_device,
+						      &scaled_font->x_scale, &scaled_font->y_scale,
+						      TRUE);	/* XXX: Handle vertical text */
+	if (status)
+	    return status;
+
+	scaled_font->logical_size =
+	    _cairo_lround (WIN32_FONT_LOGICAL_SCALE * scaled_font->y_scale);
+	scaled_font->logical_scale =
+	    WIN32_FONT_LOGICAL_SCALE * scaled_font->y_scale;
+    }
+
+    cairo_matrix_scale (&scaled_font->logical_to_device,
+			1.0 / scaled_font->logical_scale,
+			1.0 / scaled_font->logical_scale);
+
+    scaled_font->device_to_logical = scaled_font->logical_to_device;
+
+    status = cairo_matrix_invert (&scaled_font->device_to_logical);
+    if (status)
+	cairo_matrix_init_identity (&scaled_font->device_to_logical);
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_bool_t
+_have_cleartype_quality (void)
+{
+    OSVERSIONINFO version_info;
+
+    version_info.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
+
+    if (!GetVersionEx (&version_info)) {
+	_cairo_win32_print_gdi_error ("_have_cleartype_quality");
+	return FALSE;
+    }
+
+    return (version_info.dwMajorVersion > 5 ||
+	    (version_info.dwMajorVersion == 5 &&
+	     version_info.dwMinorVersion >= 1));	/* XP or newer */
+}
+
+static BYTE
+_get_system_quality (void)
+{
+    BOOL font_smoothing;
+    UINT smoothing_type;
+
+    if (!SystemParametersInfo (SPI_GETFONTSMOOTHING, 0, &font_smoothing, 0)) {
+	_cairo_win32_print_gdi_error ("_get_system_quality");
+	return DEFAULT_QUALITY;
+    }
+
+    if (font_smoothing) {
+	if (_have_cleartype_quality ()) {
+	    if (!SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE,
+				       0, &smoothing_type, 0)) {
+		_cairo_win32_print_gdi_error ("_get_system_quality");
+		return DEFAULT_QUALITY;
+	    }
+
+	    if (smoothing_type == FE_FONTSMOOTHINGCLEARTYPE)
+		return CLEARTYPE_QUALITY;
+	}
+
+	return ANTIALIASED_QUALITY;
+    } else {
+	return DEFAULT_QUALITY;
+    }
+}
+
+/* If face_hfont is non-%NULL then font_matrix must be a simple scale by some
+ * factor S, ctm must be the identity, logfont->lfHeight must be -S,
+ * logfont->lfWidth, logfont->lfEscapement, logfont->lfOrientation must
+ * all be 0, and face_hfont is the result of calling CreateFontIndirectW on
+ * logfont.
+ */
+static cairo_status_t
+_win32_scaled_font_create (LOGFONTW                   *logfont,
+			   HFONT                      face_hfont,
+			   cairo_font_face_t	      *font_face,
+			   const cairo_matrix_t       *font_matrix,
+			   const cairo_matrix_t       *ctm,
+			   const cairo_font_options_t *options,
+			   cairo_scaled_font_t       **font_out)
+{
+    HDC hdc;
+    cairo_win32_scaled_font_t *f;
+    cairo_matrix_t scale;
+    cairo_status_t status;
+
+    hdc = _get_global_font_dc ();
+    if (hdc == NULL)
+	return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+
+    f = _cairo_malloc (sizeof(cairo_win32_scaled_font_t));
+    if (f == NULL)
+	return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+
+    f->logfont = *logfont;
+
+    /* We don't have any control over the hinting style or subpixel
+     * order in the Win32 font API, so we ignore those parts of
+     * cairo_font_options_t. We use the 'antialias' field to set
+     * the 'quality'.
+     *
+     * XXX: The other option we could pay attention to, but don't
+     *      here is the hint_metrics options.
+     */
+    if (options->antialias == CAIRO_ANTIALIAS_DEFAULT)
+	f->quality = _get_system_quality ();
+    else {
+	switch (options->antialias) {
+	case CAIRO_ANTIALIAS_NONE:
+	    f->quality = NONANTIALIASED_QUALITY;
+	    break;
+	case CAIRO_ANTIALIAS_GRAY:
+	case CAIRO_ANTIALIAS_FAST:
+	case CAIRO_ANTIALIAS_GOOD:
+	    f->quality = ANTIALIASED_QUALITY;
+	    break;
+	case CAIRO_ANTIALIAS_SUBPIXEL:
+	case CAIRO_ANTIALIAS_BEST:
+	    if (_have_cleartype_quality ())
+		f->quality = CLEARTYPE_QUALITY;
+	    else
+		f->quality = ANTIALIASED_QUALITY;
+	    break;
+	case CAIRO_ANTIALIAS_DEFAULT:
+	    ASSERT_NOT_REACHED;
+	}
+    }
+
+    f->em_square = 0;
+    f->scaled_hfont = NULL;
+    f->unscaled_hfont = NULL;
+    f->has_type1_notdef_index = FALSE;
+
+    if (f->quality == logfont->lfQuality ||
+        (logfont->lfQuality == DEFAULT_QUALITY &&
+         options->antialias == CAIRO_ANTIALIAS_DEFAULT)) {
+        /* If face_hfont is non-NULL, then we can use it to avoid creating our
+         * own --- because the constraints on face_hfont mentioned above
+         * guarantee it was created in exactly the same way that
+         * _win32_scaled_font_get_scaled_hfont would create it.
+         */
+        f->scaled_hfont = face_hfont;
+    }
+    /* don't delete the hfont if we're using the one passed in to us */
+    f->delete_scaled_hfont = !f->scaled_hfont;
+
+    cairo_matrix_multiply (&scale, font_matrix, ctm);
+    status = _compute_transform (f, &scale);
+    if (status)
+	goto FAIL;
+
+    status = _cairo_scaled_font_init (&f->base, font_face,
+				      font_matrix, ctm, options,
+				      &_cairo_win32_scaled_font_backend);
+    if (status)
+	goto FAIL;
+
+    status = _cairo_win32_scaled_font_set_metrics (f);
+    if (status) {
+	_cairo_scaled_font_fini (&f->base);
+	goto FAIL;
+    }
+
+    *font_out = &f->base;
+    return CAIRO_STATUS_SUCCESS;
+
+ FAIL:
+    free (f);
+    return status;
+}
+
+static cairo_status_t
+_win32_scaled_font_set_world_transform (cairo_win32_scaled_font_t *scaled_font,
+					HDC                        hdc)
+{
+    XFORM xform;
+
+    _cairo_matrix_to_win32_xform (&scaled_font->logical_to_device, &xform);
+
+    if (!SetWorldTransform (hdc, &xform))
+	return _cairo_win32_print_gdi_error ("_win32_scaled_font_set_world_transform");
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_win32_scaled_font_set_identity_transform (HDC hdc)
+{
+    if (!ModifyWorldTransform (hdc, NULL, MWT_IDENTITY))
+	return _cairo_win32_print_gdi_error ("_win32_scaled_font_set_identity_transform");
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_win32_scaled_font_get_scaled_hfont (cairo_win32_scaled_font_t *scaled_font,
+				     HFONT *hfont_out)
+{
+    if (!scaled_font->scaled_hfont) {
+	LOGFONTW logfont = scaled_font->logfont;
+	logfont.lfHeight = -scaled_font->logical_size;
+	logfont.lfWidth = 0;
+	logfont.lfEscapement = 0;
+	logfont.lfOrientation = 0;
+	logfont.lfQuality = scaled_font->quality;
+
+	scaled_font->scaled_hfont = CreateFontIndirectW (&logfont);
+	if (!scaled_font->scaled_hfont)
+	    return _cairo_win32_print_gdi_error ("_win32_scaled_font_get_scaled_hfont");
+    }
+
+    *hfont_out = scaled_font->scaled_hfont;
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_win32_scaled_font_get_unscaled_hfont (cairo_win32_scaled_font_t *scaled_font,
+				       HDC                        hdc,
+				       HFONT			 *hfont_out)
+{
+    if (scaled_font->unscaled_hfont == NULL) {
+	OUTLINETEXTMETRIC *otm;
+	unsigned int otm_size;
+	HFONT scaled_hfont;
+	LOGFONTW logfont;
+	cairo_status_t status;
+
+	status = _win32_scaled_font_get_scaled_hfont (scaled_font,
+						      &scaled_hfont);
+	if (status)
+	    return status;
+
+	if (! SelectObject (hdc, scaled_hfont))
+	    return _cairo_win32_print_gdi_error ("_win32_scaled_font_get_unscaled_hfont:SelectObject");
+
+	otm_size = GetOutlineTextMetrics (hdc, 0, NULL);
+	if (! otm_size)
+	    return _cairo_win32_print_gdi_error ("_win32_scaled_font_get_unscaled_hfont:GetOutlineTextMetrics");
+
+	otm = _cairo_malloc (otm_size);
+	if (otm == NULL)
+	    return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+
+	if (! GetOutlineTextMetrics (hdc, otm_size, otm)) {
+	    status = _cairo_win32_print_gdi_error ("_win32_scaled_font_get_unscaled_hfont:GetOutlineTextMetrics");
+	    free (otm);
+	    return status;
+	}
+
+	scaled_font->em_square = otm->otmEMSquare;
+	free (otm);
+
+	logfont = scaled_font->logfont;
+	logfont.lfHeight = -scaled_font->em_square;
+	logfont.lfWidth = 0;
+	logfont.lfEscapement = 0;
+	logfont.lfOrientation = 0;
+	logfont.lfQuality = scaled_font->quality;
+
+	scaled_font->unscaled_hfont = CreateFontIndirectW (&logfont);
+	if (! scaled_font->unscaled_hfont)
+	    return _cairo_win32_print_gdi_error ("_win32_scaled_font_get_unscaled_hfont:CreateIndirect");
+    }
+
+    *hfont_out = scaled_font->unscaled_hfont;
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_cairo_win32_scaled_font_select_unscaled_font (cairo_scaled_font_t *scaled_font,
+					       HDC                  hdc)
+{
+    cairo_status_t status;
+    HFONT hfont;
+    HFONT old_hfont = NULL;
+
+    status = _win32_scaled_font_get_unscaled_hfont ((cairo_win32_scaled_font_t *)scaled_font, hdc, &hfont);
+    if (status)
+	return status;
+
+    old_hfont = SelectObject (hdc, hfont);
+    if (!old_hfont)
+	return _cairo_win32_print_gdi_error ("_cairo_win32_scaled_font_select_unscaled_font");
+
+    status = _win32_scaled_font_set_identity_transform (hdc);
+    if (status) {
+	SelectObject (hdc, old_hfont);
+	return status;
+    }
+
+    SetMapMode (hdc, MM_TEXT);
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+cairo_bool_t
+_cairo_win32_scaled_font_is_type1 (cairo_scaled_font_t *scaled_font)
+{
+    cairo_win32_scaled_font_t *win32_scaled_font;
+
+    win32_scaled_font = (cairo_win32_scaled_font_t *) scaled_font;
+
+    return win32_scaled_font->is_type1;
+}
+
+cairo_bool_t
+_cairo_win32_scaled_font_is_bitmap (cairo_scaled_font_t *scaled_font)
+{
+    cairo_win32_scaled_font_t *win32_scaled_font;
+
+    win32_scaled_font = (cairo_win32_scaled_font_t *) scaled_font;
+
+    return win32_scaled_font->is_bitmap;
+}
+
+static void
+_cairo_win32_scaled_font_done_unscaled_font (cairo_scaled_font_t *scaled_font)
+{
+}
+
+/* implement the font backend interface */
+
+static cairo_status_t
+_cairo_win32_font_face_create_for_toy (cairo_toy_font_face_t   *toy_face,
+				       cairo_font_face_t      **font_face)
+{
+    LOGFONTW logfont;
+    uint16_t *face_name;
+    int face_name_len;
+    cairo_status_t status;
+
+    status = _cairo_utf8_to_utf16 (toy_face->family, -1,
+				   &face_name, &face_name_len);
+    if (status)
+	return status;
+
+    if (face_name_len > LF_FACESIZE - 1)
+	face_name_len = LF_FACESIZE - 1;
+
+    memcpy (logfont.lfFaceName, face_name, sizeof (uint16_t) * face_name_len);
+    logfont.lfFaceName[face_name_len] = 0;
+    free (face_name);
+
+    logfont.lfHeight = 0;	/* filled in later */
+    logfont.lfWidth = 0;	/* filled in later */
+    logfont.lfEscapement = 0;	/* filled in later */
+    logfont.lfOrientation = 0;	/* filled in later */
+
+    switch (toy_face->weight) {
+    case CAIRO_FONT_WEIGHT_NORMAL:
+    default:
+	logfont.lfWeight = FW_NORMAL;
+	break;
+    case CAIRO_FONT_WEIGHT_BOLD:
+	logfont.lfWeight = FW_BOLD;
+	break;
+    }
+
+    switch (toy_face->slant) {
+    case CAIRO_FONT_SLANT_NORMAL:
+    default:
+	logfont.lfItalic = FALSE;
+	break;
+    case CAIRO_FONT_SLANT_ITALIC:
+    case CAIRO_FONT_SLANT_OBLIQUE:
+	logfont.lfItalic = TRUE;
+	break;
+    }
+
+    logfont.lfUnderline = FALSE;
+    logfont.lfStrikeOut = FALSE;
+    /* The docs for LOGFONT discourage using this, since the
+     * interpretation is locale-specific, but it's not clear what
+     * would be a better alternative.
+     */
+    logfont.lfCharSet = DEFAULT_CHARSET;
+    logfont.lfOutPrecision = OUT_DEFAULT_PRECIS;
+    logfont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
+    logfont.lfQuality = DEFAULT_QUALITY; /* filled in later */
+    logfont.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
+
+    *font_face = cairo_win32_font_face_create_for_logfontw (&logfont);
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static void
+_cairo_win32_scaled_font_fini (void *abstract_font)
+{
+    cairo_win32_scaled_font_t *scaled_font = abstract_font;
+
+    if (scaled_font == NULL)
+	return;
+
+    if (scaled_font->scaled_hfont && scaled_font->delete_scaled_hfont)
+	DeleteObject (scaled_font->scaled_hfont);
+
+    if (scaled_font->unscaled_hfont)
+	DeleteObject (scaled_font->unscaled_hfont);
+}
+
+static cairo_int_status_t
+_cairo_win32_scaled_font_type1_text_to_glyphs (cairo_win32_scaled_font_t *scaled_font,
+					       double		          x,
+					       double		          y,
+					       const char	         *utf8,
+					       cairo_glyph_t            **glyphs,
+					       int		         *num_glyphs)
+{
+    uint16_t *utf16;
+    int n16;
+    int i;
+    WORD *glyph_indices = NULL;
+    cairo_status_t status;
+    double x_pos, y_pos;
+    HDC hdc = NULL;
+    cairo_matrix_t mat;
+
+    status = _cairo_utf8_to_utf16 (utf8, -1, &utf16, &n16);
+    if (status)
+	return status;
+
+    glyph_indices = _cairo_malloc_ab (n16 + 1, sizeof (WORD));
+    if (!glyph_indices) {
+	status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
+	goto FAIL1;
+    }
+
+    hdc = _get_global_font_dc ();
+    assert (hdc != NULL);
+
+    status = cairo_win32_scaled_font_select_font (&scaled_font->base, hdc);
+    if (status)
+	goto FAIL2;
+
+    if (GetGlyphIndicesW (hdc, utf16, n16, glyph_indices, 0) == GDI_ERROR) {
+	status = _cairo_win32_print_gdi_error ("_cairo_win32_scaled_font_type1_text_to_glyphs:GetGlyphIndicesW");
+	goto FAIL3;
+    }
+
+    *num_glyphs = n16;
+    *glyphs = _cairo_malloc_ab (n16, sizeof (cairo_glyph_t));
+    if (!*glyphs) {
+	status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
+	goto FAIL3;
+    }
+
+    x_pos = x;
+    y_pos = y;
+
+    mat = scaled_font->base.ctm;
+    status = cairo_matrix_invert (&mat);
+    assert (status == CAIRO_STATUS_SUCCESS);
+
+    _cairo_scaled_font_freeze_cache (&scaled_font->base);
+
+    for (i = 0; i < n16; i++) {
+	cairo_scaled_glyph_t *scaled_glyph;
+
+	(*glyphs)[i].index = glyph_indices[i];
+	(*glyphs)[i].x = x_pos;
+	(*glyphs)[i].y = y_pos;
+
+	status = _cairo_scaled_glyph_lookup (&scaled_font->base,
+					     glyph_indices[i],
+					     CAIRO_SCALED_GLYPH_INFO_METRICS,
+					     &scaled_glyph);
+	if (status) {
+	    free (*glyphs);
+	    *glyphs = NULL;
+	    break;
+	}
+
+	x = scaled_glyph->x_advance;
+	y = scaled_glyph->y_advance;
+	cairo_matrix_transform_distance (&mat, &x, &y);
+	x_pos += x;
+	y_pos += y;
+    }
+
+    _cairo_scaled_font_thaw_cache (&scaled_font->base);
+
+FAIL3:
+    cairo_win32_scaled_font_done_font (&scaled_font->base);
+FAIL2:
+    free (glyph_indices);
+FAIL1:
+    free (utf16);
+
+    return status;
+}
+
+static cairo_int_status_t
+_cairo_win32_scaled_font_text_to_glyphs (void		*abstract_font,
+					 double		x,
+					 double		y,
+					 const char	*utf8,
+					 cairo_glyph_t **glyphs,
+					 int		*num_glyphs)
+{
+    cairo_win32_scaled_font_t *scaled_font = abstract_font;
+    uint16_t *utf16;
+    int n16;
+    GCP_RESULTSW gcp_results;
+    unsigned int buffer_size, i;
+    WCHAR *glyph_indices = NULL;
+    int *dx = NULL;
+    cairo_status_t status;
+    double x_pos, y_pos;
+    double x_incr, y_incr;
+    HDC hdc = NULL;
+
+    /* GetCharacterPlacement() returns utf16 instead of glyph indices
+     * for Type 1 fonts. Use GetGlyphIndices for Type 1 fonts. */
+    if (scaled_font->is_type1)
+	 return _cairo_win32_scaled_font_type1_text_to_glyphs (scaled_font,
+							       x,
+							       y,
+							       utf8,
+							       glyphs,
+							       num_glyphs);
+
+    /* Compute a vector in user space along the baseline of length one logical space unit */
+    x_incr = 1;
+    y_incr = 0;
+    cairo_matrix_transform_distance (&scaled_font->base.font_matrix, &x_incr, &y_incr);
+    x_incr /= scaled_font->logical_scale;
+    y_incr /= scaled_font->logical_scale;
+
+    status = _cairo_utf8_to_utf16 (utf8, -1, &utf16, &n16);
+    if (status)
+	return status;
+
+    gcp_results.lStructSize = sizeof (GCP_RESULTS);
+    gcp_results.lpOutString = NULL;
+    gcp_results.lpOrder = NULL;
+    gcp_results.lpCaretPos = NULL;
+    gcp_results.lpClass = NULL;
+
+    buffer_size = MAX (n16 * 1.2, 16);		/* Initially guess number of chars plus a few */
+    if (buffer_size > INT_MAX) {
+	status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
+	goto FAIL1;
+    }
+
+    hdc = _get_global_font_dc ();
+    assert (hdc != NULL);
+
+    status = cairo_win32_scaled_font_select_font (&scaled_font->base, hdc);
+    if (status)
+	goto FAIL1;
+
+    while (TRUE) {
+	free (glyph_indices);
+	glyph_indices = NULL;
+
+	free (dx);
+	dx = NULL;
+
+	glyph_indices = _cairo_malloc_ab (buffer_size, sizeof (WCHAR));
+	dx = _cairo_malloc_ab (buffer_size, sizeof (int));
+	if (!glyph_indices || !dx) {
+	    status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
+	    goto FAIL2;
+	}
+
+	gcp_results.nGlyphs = buffer_size;
+	gcp_results.lpDx = dx;
+	gcp_results.lpGlyphs = glyph_indices;
+
+	if (!GetCharacterPlacementW (hdc, utf16, n16,
+				     0,
+				     &gcp_results,
+				     GCP_DIACRITIC | GCP_LIGATE | GCP_GLYPHSHAPE | GCP_REORDER)) {
+	    status = _cairo_win32_print_gdi_error ("_cairo_win32_scaled_font_text_to_glyphs");
+	    goto FAIL2;
+	}
+
+	if (gcp_results.lpDx && gcp_results.lpGlyphs)
+	    break;
+
+	/* Too small a buffer, try again */
+
+	buffer_size += buffer_size / 2;
+	if (buffer_size > INT_MAX) {
+	    status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
+	    goto FAIL2;
+	}
+    }
+
+    *num_glyphs = gcp_results.nGlyphs;
+    *glyphs = _cairo_malloc_ab (gcp_results.nGlyphs, sizeof (cairo_glyph_t));
+    if (!*glyphs) {
+	status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
+	goto FAIL2;
+    }
+
+    x_pos = x;
+    y_pos = y;
+
+    for (i = 0; i < gcp_results.nGlyphs; i++) {
+	(*glyphs)[i].index = glyph_indices[i];
+	(*glyphs)[i].x = x_pos ;
+	(*glyphs)[i].y = y_pos;
+
+	x_pos += x_incr * dx[i];
+	y_pos += y_incr * dx[i];
+    }
+
+ FAIL2:
+    free (glyph_indices);
+    free (dx);
+
+    cairo_win32_scaled_font_done_font (&scaled_font->base);
+
+ FAIL1:
+    free (utf16);
+
+    return status;
+}
+
+static unsigned long
+_cairo_win32_scaled_font_ucs4_to_index (void		*abstract_font,
+					uint32_t	 ucs4)
+{
+    cairo_win32_scaled_font_t *scaled_font = abstract_font;
+    wchar_t unicode[2];
+    WORD glyph_index;
+    HDC hdc = NULL;
+    cairo_status_t status;
+
+    hdc = _get_global_font_dc ();
+    assert (hdc != NULL);
+
+    status = cairo_win32_scaled_font_select_font (&scaled_font->base, hdc);
+    if (status)
+	return 0;
+
+    unicode[0] = ucs4;
+    unicode[1] = 0;
+    if (GetGlyphIndicesW (hdc, unicode, 1, &glyph_index, 0) == GDI_ERROR) {
+	_cairo_win32_print_gdi_error ("_cairo_win32_scaled_font_ucs4_to_index:GetGlyphIndicesW");
+	glyph_index = 0;
+    }
+
+    cairo_win32_scaled_font_done_font (&scaled_font->base);
+
+    return glyph_index;
+}
+
+static cairo_status_t
+_cairo_win32_scaled_font_set_metrics (cairo_win32_scaled_font_t *scaled_font)
+{
+    cairo_status_t status;
+    cairo_font_extents_t extents;
+
+    TEXTMETRIC metrics = {0};
+    HDC hdc;
+
+    hdc = _get_global_font_dc ();
+    assert (hdc != NULL);
+
+    if (scaled_font->preserve_axes || scaled_font->base.options.hint_metrics == CAIRO_HINT_METRICS_OFF) {
+	/* For 90-degree rotations (including 0), we get the metrics
+	 * from the GDI in logical space, then convert back to font space
+	 */
+	status = cairo_win32_scaled_font_select_font (&scaled_font->base, hdc);
+	if (status)
+	    return status;
+
+	if (!GetTextMetrics (hdc, &metrics)) {
+	    status = _cairo_win32_print_gdi_error ("_cairo_win32_scaled_font_set_metrics:GetTextMetrics");
+	}
+
+	cairo_win32_scaled_font_done_font (&scaled_font->base);
+	if (status)
+	    return status;
+
+	extents.ascent = metrics.tmAscent / scaled_font->logical_scale;
+	extents.descent = metrics.tmDescent / scaled_font->logical_scale;
+
+	extents.height = (metrics.tmHeight + metrics.tmExternalLeading) / scaled_font->logical_scale;
+	extents.max_x_advance = metrics.tmMaxCharWidth / scaled_font->logical_scale;
+	extents.max_y_advance = 0;
+
+    } else {
+	/* For all other transformations, we use the design metrics
+	 * of the font. The GDI results from GetTextMetrics() on a
+	 * transformed font are inexplicably large and we want to
+	 * avoid them.
+	 */
+	status = _cairo_win32_scaled_font_select_unscaled_font (&scaled_font->base, hdc);
+	if (status)
+	    return status;
+	GetTextMetrics (hdc, &metrics);
+	_cairo_win32_scaled_font_done_unscaled_font (&scaled_font->base);
+
+	extents.ascent = (double)metrics.tmAscent / scaled_font->em_square;
+	extents.descent = (double)metrics.tmDescent / scaled_font->em_square;
+	extents.height = (double)(metrics.tmHeight + metrics.tmExternalLeading) / scaled_font->em_square;
+	extents.max_x_advance = (double)(metrics.tmMaxCharWidth) / scaled_font->em_square;
+	extents.max_y_advance = 0;
+
+    }
+
+    scaled_font->is_bitmap = !(metrics.tmPitchAndFamily & TMPF_VECTOR);
+
+    /* Need to determine if this is a Type 1 font for the special
+     * handling in _text_to_glyphs.  Unlike TrueType or OpenType,
+     * Type1 fonts do not have a "cmap" table (or any other table).
+     * However GetFontData() will retrieve a Type1 font when
+     * requesting that GetFontData() retrieve data from the start of
+     * the file. This is to distinguish Type1 from stroke fonts such
+     * as "Script" and "Modern". The TMPF_TRUETYPE test is redundant
+     * but improves performance for the most common fonts.
+     */
+    scaled_font->is_type1 = FALSE;
+    if (!(metrics.tmPitchAndFamily & TMPF_TRUETYPE) &&
+	(metrics.tmPitchAndFamily & TMPF_VECTOR))
+    {
+	 if ((GetFontData (hdc, CMAP_TAG, 0, NULL, 0) == GDI_ERROR) &&
+	     (GetFontData (hdc, 0, 0, NULL, 0) != GDI_ERROR))
+	 {
+	      scaled_font->is_type1 = TRUE;
+	 }
+    }
+
+    return _cairo_scaled_font_set_metrics (&scaled_font->base, &extents);
+}
+
+static cairo_status_t
+_cairo_win32_scaled_font_init_glyph_metrics (cairo_win32_scaled_font_t *scaled_font,
+					     cairo_scaled_glyph_t      *scaled_glyph)
+{
+    static const MAT2 matrix = { { 0, 1 }, { 0, 0 }, { 0, 0 }, { 0, 1 } };
+    GLYPHMETRICS metrics;
+    cairo_status_t status;
+    cairo_text_extents_t extents;
+    HDC hdc;
+
+    hdc = _get_global_font_dc ();
+    assert (hdc != NULL);
+
+    if (scaled_font->is_bitmap) {
+	/* GetGlyphOutline will not work. Assume that the glyph does not extend outside the font box. */
+	cairo_font_extents_t font_extents;
+	INT width = 0;
+	UINT charIndex = _cairo_scaled_glyph_index (scaled_glyph);
+
+	cairo_scaled_font_extents (&scaled_font->base, &font_extents);
+
+	status = cairo_win32_scaled_font_select_font (&scaled_font->base, hdc);
+	if (status)
+	    return status;
+
+	if (!GetCharWidth32(hdc, charIndex, charIndex, &width)) {
+	    status = _cairo_win32_print_gdi_error ("_cairo_win32_scaled_font_init_glyph_metrics:GetCharWidth32");
+	    width = 0;
+	}
+	cairo_win32_scaled_font_done_font (&scaled_font->base);
+	if (status)
+	    return status;
+
+	extents.x_bearing = 0;
+	extents.y_bearing = scaled_font->base.ctm.yy * (-font_extents.ascent / scaled_font->y_scale);
+	extents.width = width / (WIN32_FONT_LOGICAL_SCALE * scaled_font->x_scale);
+	extents.height = scaled_font->base.ctm.yy * (font_extents.ascent + font_extents.descent) / scaled_font->y_scale;
+	extents.x_advance = extents.width;
+	extents.y_advance = 0;
+    } else if (scaled_font->preserve_axes && scaled_font->base.options.hint_metrics != CAIRO_HINT_METRICS_OFF) {
+	/* If we aren't rotating / skewing the axes, then we get the metrics
+	 * from the GDI in device space and convert to font space.
+	 */
+	status = cairo_win32_scaled_font_select_font (&scaled_font->base, hdc);
+	if (status)
+	    return status;
+
+	if (GetGlyphOutlineW (hdc, _cairo_scaled_glyph_index (scaled_glyph),
+			      GGO_METRICS | GGO_GLYPH_INDEX,
+			      &metrics, 0, NULL, &matrix) == GDI_ERROR) {
+	    memset (&metrics, 0, sizeof (GLYPHMETRICS));
+	} else {
+	    if (metrics.gmBlackBoxX > 0 && scaled_font->base.options.antialias != CAIRO_ANTIALIAS_NONE) {
+		/* The bounding box reported by Windows supposedly contains the glyph's "black" area;
+		 * however, antialiasing (especially with ClearType) means that the actual image that
+		 * needs to be rendered may "bleed" into the adjacent pixels, mainly on the right side.
+		 * To avoid clipping the glyphs when drawn by _cairo_surface_fallback_show_glyphs,
+		 * for example, or other code that uses glyph extents to determine the area to update,
+		 * we add a pixel of "slop" to left side of the nominal "black" area returned by GDI,
+		 * and two pixels to the right (as tests show some glyphs bleed into this column).
+		 */
+		metrics.gmptGlyphOrigin.x -= 1;
+		metrics.gmBlackBoxX += 3;
+	    }
+	}
+	cairo_win32_scaled_font_done_font (&scaled_font->base);
+
+	if (scaled_font->swap_axes) {
+	    extents.x_bearing = - metrics.gmptGlyphOrigin.y / scaled_font->y_scale;
+	    extents.y_bearing = metrics.gmptGlyphOrigin.x / scaled_font->x_scale;
+	    extents.width = metrics.gmBlackBoxY / scaled_font->y_scale;
+	    extents.height = metrics.gmBlackBoxX / scaled_font->x_scale;
+	    extents.x_advance = metrics.gmCellIncY / scaled_font->x_scale;
+	    extents.y_advance = metrics.gmCellIncX / scaled_font->y_scale;
+	} else {
+	    extents.x_bearing = metrics.gmptGlyphOrigin.x / scaled_font->x_scale;
+	    extents.y_bearing = - metrics.gmptGlyphOrigin.y / scaled_font->y_scale;
+	    extents.width = metrics.gmBlackBoxX / scaled_font->x_scale;
+	    extents.height = metrics.gmBlackBoxY / scaled_font->y_scale;
+	    extents.x_advance = metrics.gmCellIncX / scaled_font->x_scale;
+	    extents.y_advance = metrics.gmCellIncY / scaled_font->y_scale;
+	}
+
+	if (scaled_font->swap_x) {
+	    extents.x_bearing = (- extents.x_bearing - extents.width);
+	    extents.x_advance = - extents.x_advance;
+	}
+
+	if (scaled_font->swap_y) {
+	    extents.y_bearing = (- extents.y_bearing - extents.height);
+	    extents.y_advance = - extents.y_advance;
+	}
+    } else {
+	/* For all other transformations, we use the design metrics
+	 * of the font.
+	 */
+	status = _cairo_win32_scaled_font_select_unscaled_font (&scaled_font->base, hdc);
+	if (status)
+	    return status;
+
+	if (GetGlyphOutlineW (hdc, _cairo_scaled_glyph_index (scaled_glyph),
+	                      GGO_METRICS | GGO_GLYPH_INDEX,
+			      &metrics, 0, NULL, &matrix) == GDI_ERROR) {
+	    memset (&metrics, 0, sizeof (GLYPHMETRICS));
+	}
+	_cairo_win32_scaled_font_done_unscaled_font (&scaled_font->base);
+
+	extents.x_bearing = (double)metrics.gmptGlyphOrigin.x / scaled_font->em_square;
+	extents.y_bearing = - (double)metrics.gmptGlyphOrigin.y / scaled_font->em_square;
+	extents.width = (double)metrics.gmBlackBoxX / scaled_font->em_square;
+	extents.height = (double)metrics.gmBlackBoxY / scaled_font->em_square;
+	extents.x_advance = (double)metrics.gmCellIncX / scaled_font->em_square;
+	extents.y_advance = (double)metrics.gmCellIncY / scaled_font->em_square;
+    }
+
+    _cairo_scaled_glyph_set_metrics (scaled_glyph,
+				     &scaled_font->base,
+				     &extents);
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+/* Not currently used code, but may be useful in the future if we add
+ * back the capability to the scaled font backend interface to get the
+ * actual device space bbox rather than computing it from the
+ * font-space metrics.
+ */
+#if 0
+static cairo_status_t
+_cairo_win32_scaled_font_glyph_bbox (void		 *abstract_font,
+				     const cairo_glyph_t *glyphs,
+				     int                  num_glyphs,
+				     cairo_box_t         *bbox)
+{
+    static const MAT2 matrix = { { 0, 1 }, { 0, 0 }, { 0, 0 }, { 0, 1 } };
+    cairo_win32_scaled_font_t *scaled_font = abstract_font;
+    int x1 = 0, x2 = 0, y1 = 0, y2 = 0;
+
+    if (num_glyphs > 0) {
+	HDC hdc;
+	GLYPHMETRICS metrics;
+	cairo_status_t status;
+	int i;
+
+	hdc = _get_global_font_dc ();
+	assert (hdc != NULL);
+
+	status = cairo_win32_scaled_font_select_font (&scaled_font->base, hdc);
+	if (status)
+	    return status;
+
+	for (i = 0; i < num_glyphs; i++) {
+	    int x = _cairo_lround (glyphs[i].x);
+	    int y = _cairo_lround (glyphs[i].y);
+
+	    GetGlyphOutlineW (hdc, glyphs[i].index, GGO_METRICS | GGO_GLYPH_INDEX,
+			     &metrics, 0, NULL, &matrix);
+
+	    if (i == 0 || x1 > x + metrics.gmptGlyphOrigin.x)
+		x1 = x + metrics.gmptGlyphOrigin.x;
+	    if (i == 0 || y1 > y - metrics.gmptGlyphOrigin.y)
+		y1 = y - metrics.gmptGlyphOrigin.y;
+	    if (i == 0 || x2 < x + metrics.gmptGlyphOrigin.x + (int)metrics.gmBlackBoxX)
+		x2 = x + metrics.gmptGlyphOrigin.x + (int)metrics.gmBlackBoxX;
+	    if (i == 0 || y2 < y - metrics.gmptGlyphOrigin.y + (int)metrics.gmBlackBoxY)
+		y2 = y - metrics.gmptGlyphOrigin.y + (int)metrics.gmBlackBoxY;
+	}
+
+	cairo_win32_scaled_font_done_font (&scaled_font->base);
+    }
+
+    bbox->p1.x = _cairo_fixed_from_int (x1);
+    bbox->p1.y = _cairo_fixed_from_int (y1);
+    bbox->p2.x = _cairo_fixed_from_int (x2);
+    bbox->p2.y = _cairo_fixed_from_int (y2);
+
+    return CAIRO_STATUS_SUCCESS;
+}
+#endif
+
+typedef struct {
+    cairo_win32_scaled_font_t *scaled_font;
+    HDC hdc;
+
+    cairo_array_t glyphs;
+    cairo_array_t dx;
+
+    int start_x;
+    int last_x;
+    int last_y;
+} cairo_glyph_state_t;
+
+static void
+_start_glyphs (cairo_glyph_state_t        *state,
+	       cairo_win32_scaled_font_t  *scaled_font,
+	       HDC                         hdc)
+{
+    state->hdc = hdc;
+    state->scaled_font = scaled_font;
+
+    _cairo_array_init (&state->glyphs, sizeof (WCHAR));
+    _cairo_array_init (&state->dx, sizeof (int));
+}
+
+static cairo_status_t
+_flush_glyphs (cairo_glyph_state_t *state)
+{
+    cairo_status_t status;
+    int dx = 0;
+    WCHAR * elements;
+    int * dx_elements;
+
+    status = _cairo_array_append (&state->dx, &dx);
+    if (status)
+	return status;
+
+    elements = _cairo_array_index (&state->glyphs, 0);
+    dx_elements = _cairo_array_index (&state->dx, 0);
+    if (!ExtTextOutW (state->hdc,
+		      state->start_x, state->last_y,
+		      ETO_GLYPH_INDEX,
+		      NULL,
+		      elements,
+		      state->glyphs.num_elements,
+		      dx_elements)) {
+	return _cairo_win32_print_gdi_error ("_flush_glyphs");
+    }
+
+    _cairo_array_truncate (&state->glyphs, 0);
+    _cairo_array_truncate (&state->dx, 0);
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_add_glyph (cairo_glyph_state_t *state,
+	    unsigned long        index,
+	    double               device_x,
+	    double               device_y)
+{
+    cairo_status_t status;
+    double user_x = device_x;
+    double user_y = device_y;
+    WCHAR glyph_index = index;
+    int logical_x, logical_y;
+
+    cairo_matrix_transform_point (&state->scaled_font->device_to_logical, &user_x, &user_y);
+
+    logical_x = _cairo_lround (user_x);
+    logical_y = _cairo_lround (user_y);
+
+    if (state->glyphs.num_elements > 0) {
+	int dx;
+
+	if (logical_y != state->last_y) {
+	    status = _flush_glyphs (state);
+	    if (status)
+		return status;
+	    state->start_x = logical_x;
+	} else {
+	    dx = logical_x - state->last_x;
+	    status = _cairo_array_append (&state->dx, &dx);
+	    if (status)
+		return status;
+	}
+    } else {
+	state->start_x = logical_x;
+    }
+
+    state->last_x = logical_x;
+    state->last_y = logical_y;
+
+    status = _cairo_array_append (&state->glyphs, &glyph_index);
+    if (status)
+	return status;
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_finish_glyphs (cairo_glyph_state_t *state)
+{
+    cairo_status_t status;
+
+    status = _flush_glyphs (state);
+
+    _cairo_array_fini (&state->glyphs);
+    _cairo_array_fini (&state->dx);
+
+    return status;
+}
+
+static cairo_status_t
+_draw_glyphs_on_surface (cairo_win32_surface_t     *surface,
+			 cairo_win32_scaled_font_t *scaled_font,
+			 COLORREF                   color,
+			 int                        x_offset,
+			 int                        y_offset,
+			 const cairo_glyph_t       *glyphs,
+			 int			    num_glyphs)
+{
+    cairo_glyph_state_t state;
+    cairo_status_t status, status2;
+    int i;
+
+    if (!SaveDC (surface->dc))
+	return _cairo_win32_print_gdi_error ("_draw_glyphs_on_surface:SaveDC");
+
+    status = cairo_win32_scaled_font_select_font (&scaled_font->base, surface->dc);
+    if (status)
+	goto FAIL1;
+
+    SetTextColor (surface->dc, color);
+    SetTextAlign (surface->dc, TA_BASELINE | TA_LEFT);
+    SetBkMode (surface->dc, TRANSPARENT);
+
+    _start_glyphs (&state, scaled_font, surface->dc);
+
+    for (i = 0; i < num_glyphs; i++) {
+	status = _add_glyph (&state, glyphs[i].index,
+			     glyphs[i].x - x_offset, glyphs[i].y - y_offset);
+	if (status)
+	    goto FAIL2;
+    }
+
+ FAIL2:
+    status2 = _finish_glyphs (&state);
+    if (status == CAIRO_STATUS_SUCCESS)
+	status = status2;
+
+    cairo_win32_scaled_font_done_font (&scaled_font->base);
+ FAIL1:
+    RestoreDC (surface->dc, -1);
+
+    return status;
+}
+
+static cairo_int_status_t
+_cairo_win32_scaled_font_glyph_init (void		       *abstract_font,
+				     cairo_scaled_glyph_t      *scaled_glyph,
+				     cairo_scaled_glyph_info_t  info)
+{
+    cairo_win32_scaled_font_t *scaled_font = abstract_font;
+    cairo_status_t status;
+
+    if ((info & CAIRO_SCALED_GLYPH_INFO_METRICS) != 0) {
+	status = _cairo_win32_scaled_font_init_glyph_metrics (scaled_font, scaled_glyph);
+	if (status)
+	    return status;
+    }
+
+    if (info & CAIRO_SCALED_GLYPH_INFO_SURFACE) {
+	status = _cairo_win32_scaled_font_init_glyph_surface (scaled_font, scaled_glyph);
+	if (status)
+	    return status;
+    }
+
+    if ((info & CAIRO_SCALED_GLYPH_INFO_PATH) != 0) {
+	status = _cairo_win32_scaled_font_init_glyph_path (scaled_font, scaled_glyph);
+	if (status)
+	    return status;
+    }
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_int_status_t
+_cairo_win32_scaled_font_load_truetype_table (void	       *abstract_font,
+                                             unsigned long      tag,
+                                             long               offset,
+                                             unsigned char     *buffer,
+                                             unsigned long     *length)
+{
+    cairo_win32_scaled_font_t *scaled_font = abstract_font;
+    HDC hdc;
+    cairo_status_t status;
+    DWORD ret;
+
+    hdc = _get_global_font_dc ();
+    assert (hdc != NULL);
+
+    tag = (tag&0x000000ff)<<24 | (tag&0x0000ff00)<<8 | (tag&0x00ff0000)>>8 | (tag&0xff000000)>>24;
+    status = cairo_win32_scaled_font_select_font (&scaled_font->base, hdc);
+    if (status)
+	return status;
+
+    ret = GetFontData (hdc, tag, offset, buffer, *length);
+    if (ret == GDI_ERROR || (buffer && ret != *length))
+        status = CAIRO_INT_STATUS_UNSUPPORTED;
+    else
+	*length = ret;
+
+    cairo_win32_scaled_font_done_font (&scaled_font->base);
+
+    return status;
+}
+
+static cairo_int_status_t
+_cairo_win32_scaled_font_index_to_ucs4 (void		*abstract_font,
+					unsigned long    index,
+					uint32_t	*ucs4)
+{
+    cairo_win32_scaled_font_t *scaled_font = abstract_font;
+    GLYPHSET *glyph_set;
+    uint16_t *utf16 = NULL;
+    WORD *glyph_indices = NULL;
+    HDC hdc = NULL;
+    int res;
+    unsigned int i, j, num_glyphs;
+    cairo_status_t status;
+
+    hdc = _get_global_font_dc ();
+    assert (hdc != NULL);
+
+    status = cairo_win32_scaled_font_select_font (&scaled_font->base, hdc);
+    if (status)
+	return status;
+
+    res = GetFontUnicodeRanges(hdc, NULL);
+    if (res == 0) {
+	status = _cairo_win32_print_gdi_error (
+	    "_cairo_win32_scaled_font_index_to_ucs4:GetFontUnicodeRanges");
+	goto exit1;
+    }
+
+    glyph_set = _cairo_malloc (res);
+    if (glyph_set == NULL) {
+	status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
+	goto exit1;
+    }
+
+    res = GetFontUnicodeRanges(hdc, glyph_set);
+    if (res == 0) {
+	status = _cairo_win32_print_gdi_error (
+	    "_cairo_win32_scaled_font_index_to_ucs4:GetFontUnicodeRanges");
+	goto exit1;
+    }
+
+    *ucs4 = (uint32_t) -1;
+    for (i = 0; i < glyph_set->cRanges; i++) {
+	num_glyphs = glyph_set->ranges[i].cGlyphs;
+
+	utf16 = _cairo_malloc_ab (num_glyphs + 1, sizeof (uint16_t));
+	if (utf16 == NULL) {
+	    status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
+	    goto exit1;
+	}
+
+	glyph_indices = _cairo_malloc_ab (num_glyphs + 1, sizeof (WORD));
+	if (glyph_indices == NULL) {
+	    status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
+	    goto exit2;
+	}
+
+	for (j = 0; j < num_glyphs; j++)
+	    utf16[j] = glyph_set->ranges[i].wcLow + j;
+	utf16[j] = 0;
+
+	if (GetGlyphIndicesW (hdc, utf16, num_glyphs, glyph_indices, 0) == GDI_ERROR) {
+	    status = _cairo_win32_print_gdi_error (
+		"_cairo_win32_scaled_font_index_to_ucs4:GetGlyphIndicesW");
+	    goto exit2;
+	}
+
+	for (j = 0; j < num_glyphs; j++) {
+	    if (glyph_indices[j] == index) {
+		*ucs4 = utf16[j];
+		goto exit2;
+	    }
+	}
+
+	free (glyph_indices);
+	glyph_indices = NULL;
+	free (utf16);
+	utf16 = NULL;
+    }
+
+exit2:
+    free (glyph_indices);
+    free (utf16);
+    free (glyph_set);
+exit1:
+    cairo_win32_scaled_font_done_font (&scaled_font->base);
+
+    return status;
+}
+
+static cairo_int_status_t
+_cairo_win32_scaled_font_is_synthetic (void	        *abstract_font,
+				       cairo_bool_t    *is_synthetic)
+{
+    cairo_win32_scaled_font_t *scaled_font = abstract_font;
+    cairo_status_t status;
+    int	weight;
+    cairo_bool_t bold;
+    cairo_bool_t italic;
+
+    *is_synthetic = FALSE;
+    status = _cairo_truetype_get_style (&scaled_font->base,
+					&weight,
+					&bold,
+					&italic);
+    /* If this doesn't work assume it is not synthetic to avoid
+     * unnecessary subsetting fallbacks. */
+    if (status != CAIRO_STATUS_SUCCESS)
+	return CAIRO_STATUS_SUCCESS;
+
+    if (scaled_font->logfont.lfWeight != weight ||
+	scaled_font->logfont.lfItalic != italic)
+	*is_synthetic = TRUE;
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_int_status_t
+_cairo_win32_scaled_font_index_to_glyph_name (void		*abstract_font,
+					      char             **glyph_names,
+					      int		 num_glyph_names,
+					      unsigned long      glyph_index,
+					      unsigned long     *glyph_array_index)
+{
+    cairo_win32_scaled_font_t *scaled_font = abstract_font;
+    int i;
+
+    /* Windows puts .notdef at index 0 then numbers the remaining
+     * glyphs starting from 1 in the order they appear in the font. */
+
+    /* Find the position of .notdef in the list of glyph names. We
+     * only need to do this once per scaled font. */
+    if (! scaled_font->has_type1_notdef_index) {
+	for (i = 0; i < num_glyph_names; i++) {
+	    if (strcmp (glyph_names[i], ".notdef") == 0) {
+		scaled_font->type1_notdef_index = i;
+		scaled_font->has_type1_notdef_index = TRUE;
+		break;
+	    }
+	}
+	if (! scaled_font->has_type1_notdef_index)
+	    return CAIRO_INT_STATUS_UNSUPPORTED;
+    }
+
+    /* Once we know the position of .notdef the position of any glyph
+     * in the font can easily be obtained. */
+    if (glyph_index == 0)
+	*glyph_array_index = scaled_font->type1_notdef_index;
+    else if (glyph_index <= scaled_font->type1_notdef_index)
+	*glyph_array_index = glyph_index - 1;
+    else if (glyph_index < (unsigned long)num_glyph_names)
+	*glyph_array_index = glyph_index;
+    else
+	return CAIRO_INT_STATUS_UNSUPPORTED;
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_int_status_t
+_cairo_win32_scaled_font_load_type1_data (void	            *abstract_font,
+					  long               offset,
+					  unsigned char     *buffer,
+					  unsigned long     *length)
+{
+    cairo_win32_scaled_font_t *scaled_font = abstract_font;
+
+    if (! scaled_font->is_type1)
+	return CAIRO_INT_STATUS_UNSUPPORTED;
+
+    /* Using the tag 0 retrieves the entire font file. This works with
+     * Type 1 fonts as well as TTF/OTF fonts. */
+    return _cairo_win32_scaled_font_load_truetype_table (scaled_font,
+							 0,
+							 offset,
+							 buffer,
+							 length);
+}
+
+static cairo_surface_t *
+_compute_mask (cairo_surface_t *surface,
+	       int quality)
+{
+    cairo_image_surface_t *glyph;
+    cairo_image_surface_t *mask;
+    int i, j;
+
+    glyph = (cairo_image_surface_t *)cairo_surface_map_to_image (surface, NULL);
+    if (unlikely (glyph->base.status))
+	return &glyph->base;
+
+    if (quality == CLEARTYPE_QUALITY) {
+	/* Duplicate the green channel of a 4-channel mask into the
+	 * alpha channel, then invert the whole mask.
+	 */
+	mask = (cairo_image_surface_t *)
+	    cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
+					glyph->width, glyph->height);
+	if (likely (mask->base.status == CAIRO_STATUS_SUCCESS)) {
+	    for (i = 0; i < glyph->height; i++) {
+		uint32_t *p = (uint32_t *) (glyph->data + i * glyph->stride);
+		uint32_t *q = (uint32_t *) (mask->data + i * mask->stride);
+
+		for (j = 0; j < glyph->width; j++) {
+		    *q++ = 0xffffffff ^ (*p | ((*p & 0x0000ff00) << 16));
+		    p++;
+		}
+	    }
+	}
+    } else {
+	/* Compute an alpha-mask from a using the green channel of a
+	 * (presumed monochrome) RGB24 image.
+	 */
+	mask = (cairo_image_surface_t *)
+	    cairo_image_surface_create (CAIRO_FORMAT_A8,
+					glyph->width, glyph->height);
+	if (likely (mask->base.status == CAIRO_STATUS_SUCCESS)) {
+	    for (i = 0; i < glyph->height; i++) {
+		uint32_t *p = (uint32_t *) (glyph->data + i * glyph->stride);
+		uint8_t *q = (uint8_t *) (mask->data + i * mask->stride);
+
+		for (j = 0; j < glyph->width; j++)
+		    *q++ = 255 - ((*p++ & 0x0000ff00) >> 8);
+	    }
+	}
+    }
+
+    cairo_surface_unmap_image (surface, &glyph->base);
+    return &mask->base;
+}
+
+static cairo_status_t
+_cairo_win32_scaled_font_init_glyph_surface (cairo_win32_scaled_font_t *scaled_font,
+                                             cairo_scaled_glyph_t      *scaled_glyph)
+{
+    cairo_status_t status;
+    cairo_glyph_t glyph;
+    cairo_surface_t *surface;
+    cairo_surface_t *image;
+    int width, height;
+    int x1, y1, x2, y2;
+
+    x1 = _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.x);
+    y1 = _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.y);
+    x2 = _cairo_fixed_integer_ceil (scaled_glyph->bbox.p2.x);
+    y2 = _cairo_fixed_integer_ceil (scaled_glyph->bbox.p2.y);
+    width = x2 - x1;
+    height = y2 - y1;
+
+    surface = cairo_win32_surface_create_with_dib (CAIRO_FORMAT_RGB24,
+						   width, height);
+    status = _cairo_surface_paint (surface, CAIRO_OPERATOR_SOURCE,
+				   &_cairo_pattern_white.base, NULL);
+    if (status)
+	goto FAIL;
+
+    glyph.index = _cairo_scaled_glyph_index (scaled_glyph);
+    glyph.x = -x1;
+    glyph.y = -y1;
+    status = _draw_glyphs_on_surface (to_win32_surface (surface),
+				      scaled_font, RGB(0,0,0),
+                                      0, 0, &glyph, 1);
+    if (status)
+	goto FAIL;
+
+    image = _compute_mask (surface, scaled_font->quality);
+    status = image->status;
+    if (status)
+	goto FAIL;
+
+    cairo_surface_set_device_offset (image, -x1, -y1);
+    _cairo_scaled_glyph_set_surface (scaled_glyph,
+                                     &scaled_font->base,
+                                     (cairo_image_surface_t *) image);
+
+  FAIL:
+    cairo_surface_destroy (surface);
+
+    return status;
+}
+
+static void
+_cairo_win32_transform_FIXED_to_fixed (cairo_matrix_t *matrix,
+                                       FIXED Fx, FIXED Fy,
+                                       cairo_fixed_t *fx, cairo_fixed_t *fy)
+{
+    double x = Fx.value + Fx.fract / 65536.0;
+    double y = Fy.value + Fy.fract / 65536.0;
+    cairo_matrix_transform_point (matrix, &x, &y);
+    *fx = _cairo_fixed_from_double (x);
+    *fy = _cairo_fixed_from_double (y);
+}
+
+static cairo_status_t
+_cairo_win32_scaled_font_init_glyph_path (cairo_win32_scaled_font_t *scaled_font,
+					  cairo_scaled_glyph_t      *scaled_glyph)
+{
+    static const MAT2 matrix = { { 0, 1 }, { 0, 0 }, { 0, 0 }, { 0, -1 } };
+    cairo_status_t status;
+    GLYPHMETRICS metrics;
+    HDC hdc;
+    DWORD bytesGlyph;
+    unsigned char *buffer, *ptr;
+    cairo_path_fixed_t *path;
+    cairo_matrix_t transform;
+    cairo_fixed_t x, y;
+
+    if (scaled_font->is_bitmap)
+	return CAIRO_INT_STATUS_UNSUPPORTED;
+
+    hdc = _get_global_font_dc ();
+    assert (hdc != NULL);
+
+    path = _cairo_path_fixed_create ();
+    if (!path)
+	return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+
+    if (scaled_font->base.options.hint_style == CAIRO_HINT_STYLE_NONE) {
+        status = _cairo_win32_scaled_font_select_unscaled_font (&scaled_font->base, hdc);
+        transform = scaled_font->base.scale;
+        cairo_matrix_scale (&transform, 1.0/scaled_font->em_square, 1.0/scaled_font->em_square);
+    } else {
+        status = cairo_win32_scaled_font_select_font (&scaled_font->base, hdc);
+        cairo_matrix_init_identity(&transform);
+    }
+    if (status)
+        goto CLEANUP_PATH;
+
+    bytesGlyph = GetGlyphOutlineW (hdc, _cairo_scaled_glyph_index (scaled_glyph),
+				   GGO_NATIVE | GGO_GLYPH_INDEX,
+				   &metrics, 0, NULL, &matrix);
+
+    if (bytesGlyph == GDI_ERROR) {
+	status = _cairo_win32_print_gdi_error ("_cairo_win32_scaled_font_glyph_path");
+	goto CLEANUP_FONT;
+    }
+
+    ptr = buffer = _cairo_malloc (bytesGlyph);
+    if (!buffer && bytesGlyph != 0) {
+	status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
+	goto CLEANUP_FONT;
+    }
+
+    if (GetGlyphOutlineW (hdc, _cairo_scaled_glyph_index (scaled_glyph),
+			  GGO_NATIVE | GGO_GLYPH_INDEX,
+			  &metrics, bytesGlyph, buffer, &matrix) == GDI_ERROR) {
+	status = _cairo_win32_print_gdi_error ("_cairo_win32_scaled_font_glyph_path");
+	goto CLEANUP_BUFFER;
+    }
+
+    while (ptr < buffer + bytesGlyph) {
+	TTPOLYGONHEADER *header = (TTPOLYGONHEADER *)ptr;
+	unsigned char *endPoly = ptr + header->cb;
+
+	ptr += sizeof (TTPOLYGONHEADER);
+
+        _cairo_win32_transform_FIXED_to_fixed (&transform,
+                                               header->pfxStart.x,
+                                               header->pfxStart.y,
+                                               &x, &y);
+        status = _cairo_path_fixed_move_to (path, x, y);
+	if (status)
+	    goto CLEANUP_BUFFER;
+
+	while (ptr < endPoly) {
+	    TTPOLYCURVE *curve = (TTPOLYCURVE *)ptr;
+	    POINTFX *points = curve->apfx;
+	    int i;
+	    switch (curve->wType) {
+	    case TT_PRIM_LINE:
+		for (i = 0; i < curve->cpfx; i++) {
+                    _cairo_win32_transform_FIXED_to_fixed (&transform,
+                                                           points[i].x,
+                                                           points[i].y,
+                                                           &x, &y);
+		    status = _cairo_path_fixed_line_to (path, x, y);
+		    if (status)
+			goto CLEANUP_BUFFER;
+		}
+		break;
+	    case TT_PRIM_QSPLINE:
+		for (i = 0; i < curve->cpfx - 1; i++) {
+		    cairo_fixed_t p1x, p1y, p2x, p2y, cx, cy, c1x, c1y, c2x, c2y;
+		    if (! _cairo_path_fixed_get_current_point (path, &p1x, &p1y))
+			goto CLEANUP_BUFFER;
+                    _cairo_win32_transform_FIXED_to_fixed (&transform,
+                                                           points[i].x,
+                                                           points[i].y,
+                                                           &cx, &cy);
+
+		    if (i + 1 == curve->cpfx - 1) {
+                        _cairo_win32_transform_FIXED_to_fixed (&transform,
+                                                               points[i + 1].x,
+                                                               points[i + 1].y,
+                                                               &p2x, &p2y);
+		    } else {
+			/* records with more than one curve use interpolation for
+			   control points, per http://support.microsoft.com/kb/q87115/ */
+                        _cairo_win32_transform_FIXED_to_fixed (&transform,
+                                                               points[i + 1].x,
+                                                               points[i + 1].y,
+                                                               &x, &y);
+                        p2x = (cx + x) / 2;
+			p2y = (cy + y) / 2;
+		    }
+
+		    c1x = 2 * cx / 3 + p1x / 3;
+		    c1y = 2 * cy / 3 + p1y / 3;
+		    c2x = 2 * cx / 3 + p2x / 3;
+		    c2y = 2 * cy / 3 + p2y / 3;
+
+		    status = _cairo_path_fixed_curve_to (path, c1x, c1y, c2x, c2y, p2x, p2y);
+		    if (status)
+			goto CLEANUP_BUFFER;
+		}
+		break;
+	    case TT_PRIM_CSPLINE:
+		for (i = 0; i < curve->cpfx - 2; i += 2) {
+		    cairo_fixed_t x1, y1, x2, y2;
+                    _cairo_win32_transform_FIXED_to_fixed (&transform,
+                                                           points[i].x,
+                                                           points[i].y,
+                                                           &x, &y);
+                    _cairo_win32_transform_FIXED_to_fixed (&transform,
+                                                           points[i + 1].x,
+                                                           points[i + 1].y,
+                                                           &x1, &y1);
+                    _cairo_win32_transform_FIXED_to_fixed (&transform,
+                                                           points[i + 2].x,
+                                                           points[i + 2].y,
+                                                           &x2, &y2);
+		    status = _cairo_path_fixed_curve_to (path, x, y, x1, y1, x2, y2);
+		    if (status)
+			goto CLEANUP_BUFFER;
+		}
+		break;
+	    }
+	    ptr += sizeof(TTPOLYCURVE) + sizeof (POINTFX) * (curve->cpfx - 1);
+	}
+	status = _cairo_path_fixed_close_path (path);
+	if (status)
+	    goto CLEANUP_BUFFER;
+    }
+
+    _cairo_scaled_glyph_set_path (scaled_glyph,
+				  &scaled_font->base,
+				  path);
+
+ CLEANUP_BUFFER:
+    free (buffer);
+
+ CLEANUP_FONT:
+    if (scaled_font->base.options.hint_style == CAIRO_HINT_STYLE_NONE)
+	_cairo_win32_scaled_font_done_unscaled_font (&scaled_font->base);
+    else
+	cairo_win32_scaled_font_done_font (&scaled_font->base);
+
+ CLEANUP_PATH:
+    if (status != CAIRO_STATUS_SUCCESS)
+	_cairo_path_fixed_destroy (path);
+
+    return status;
+}
+
+const cairo_scaled_font_backend_t _cairo_win32_scaled_font_backend = {
+    CAIRO_FONT_TYPE_WIN32,
+    _cairo_win32_scaled_font_fini,
+    _cairo_win32_scaled_font_glyph_init,
+    NULL, /* _cairo_win32_scaled_font_text_to_glyphs, FIXME */
+    _cairo_win32_scaled_font_ucs4_to_index,
+    _cairo_win32_scaled_font_load_truetype_table,
+    _cairo_win32_scaled_font_index_to_ucs4,
+    _cairo_win32_scaled_font_is_synthetic,
+    _cairo_win32_scaled_font_index_to_glyph_name,
+    _cairo_win32_scaled_font_load_type1_data
+};
+
+/* #cairo_win32_font_face_t */
+
+typedef struct _cairo_win32_font_face cairo_win32_font_face_t;
+
+/* If hfont is non-%NULL then logfont->lfHeight must be -S for some S,
+ * logfont->lfWidth, logfont->lfEscapement, logfont->lfOrientation must
+ * all be 0, and hfont is the result of calling CreateFontIndirectW on
+ * logfont.
+ */
+struct _cairo_win32_font_face {
+    cairo_font_face_t base;
+    LOGFONTW logfont;
+    HFONT hfont;
+};
+
+/* We maintain a hash table from LOGFONT,HFONT => #cairo_font_face_t.
+ * The primary purpose of this mapping is to provide unique
+ * #cairo_font_face_t values so that our cache and mapping from
+ * #cairo_font_face_t => #cairo_scaled_font_t works. Once the
+ * corresponding #cairo_font_face_t objects fall out of downstream
+ * caches, we don't need them in this hash table anymore.
+ *
+ * Modifications to this hash table are protected by
+ * _cairo_win32_font_face_mutex.
+ */
+
+static cairo_hash_table_t *cairo_win32_font_face_hash_table = NULL;
+
+static int
+_cairo_win32_font_face_keys_equal (const void *key_a,
+				   const void *key_b);
+
+static void
+_cairo_win32_font_face_hash_table_destroy (void)
+{
+    cairo_hash_table_t *hash_table;
+
+    /* We manually acquire the lock rather than calling
+     * _cairo_win32_font_face_hash_table_lock simply to avoid creating
+     * the table only to destroy it again. */
+    CAIRO_MUTEX_LOCK (_cairo_win32_font_face_mutex);
+    hash_table = cairo_win32_font_face_hash_table;
+    cairo_win32_font_face_hash_table = NULL;
+    CAIRO_MUTEX_UNLOCK (_cairo_win32_font_face_mutex);
+
+    if (hash_table != NULL)
+	_cairo_hash_table_destroy (hash_table);
+}
+
+static cairo_hash_table_t *
+_cairo_win32_font_face_hash_table_lock (void)
+{
+    CAIRO_MUTEX_LOCK (_cairo_win32_font_face_mutex);
+
+    if (unlikely (cairo_win32_font_face_hash_table == NULL))
+    {
+	cairo_win32_font_face_hash_table =
+	_cairo_hash_table_create (_cairo_win32_font_face_keys_equal);
+
+	if (unlikely (cairo_win32_font_face_hash_table == NULL)) {
+	    CAIRO_MUTEX_UNLOCK (_cairo_win32_font_face_mutex);
+	    _cairo_error_throw (CAIRO_STATUS_NO_MEMORY);
+	    return NULL;
+	}
+    }
+
+    return cairo_win32_font_face_hash_table;
+}
+
+static void
+_cairo_win32_font_face_hash_table_unlock (void)
+{
+    CAIRO_MUTEX_UNLOCK (_cairo_win32_font_face_mutex);
+}
+
+static cairo_bool_t
+_cairo_win32_font_face_destroy (void *abstract_face)
+{
+    cairo_win32_font_face_t *font_face = abstract_face;
+    cairo_hash_table_t *hash_table;
+
+    hash_table = _cairo_win32_font_face_hash_table_lock ();
+    /* All created objects must have been mapped in the hash table. */
+    assert (hash_table != NULL);
+
+    if (! _cairo_reference_count_dec_and_test (&font_face->base.ref_count)) {
+	/* somebody recreated the font whilst we waited for the lock */
+	_cairo_win32_font_face_hash_table_unlock ();
+	return FALSE;
+    }
+
+    /* Font faces in SUCCESS status are guaranteed to be in the
+     * hashtable. Font faces in an error status are removed from the
+     * hashtable if they are found during a lookup, thus they should
+     * only be removed if they are in the hashtable. */
+    if (likely (font_face->base.status == CAIRO_STATUS_SUCCESS) ||
+	_cairo_hash_table_lookup (hash_table, &font_face->base.hash_entry) == font_face)
+	_cairo_hash_table_remove (hash_table, &font_face->base.hash_entry);
+
+    _cairo_win32_font_face_hash_table_unlock ();
+    return TRUE;
+}
+
+static void
+_cairo_win32_font_face_init_key (cairo_win32_font_face_t *key,
+				 LOGFONTW                *logfont,
+				 HFONT                    font)
+{
+    unsigned long hash = _CAIRO_HASH_INIT_VALUE;
+
+    key->logfont = *logfont;
+    key->hfont = font;
+
+    hash = _cairo_hash_bytes (0, logfont->lfFaceName, 2*wcslen(logfont->lfFaceName));
+    hash = _cairo_hash_bytes (hash, &logfont->lfWeight, sizeof(logfont->lfWeight));
+    hash = _cairo_hash_bytes (hash, &logfont->lfItalic, sizeof(logfont->lfItalic));
+
+    key->base.hash_entry.hash = hash;
+}
+
+static int
+_cairo_win32_font_face_keys_equal (const void *key_a,
+				   const void *key_b)
+{
+    const cairo_win32_font_face_t *face_a = key_a;
+    const cairo_win32_font_face_t *face_b = key_b;
+
+    if (face_a->logfont.lfWeight         == face_b->logfont.lfWeight &&
+	face_a->logfont.lfItalic         == face_b->logfont.lfItalic &&
+	face_a->logfont.lfUnderline      == face_b->logfont.lfUnderline &&
+	face_a->logfont.lfStrikeOut      == face_b->logfont.lfStrikeOut &&
+	face_a->logfont.lfCharSet        == face_b->logfont.lfCharSet &&
+	face_a->logfont.lfOutPrecision   == face_b->logfont.lfOutPrecision &&
+	face_a->logfont.lfClipPrecision  == face_b->logfont.lfClipPrecision &&
+	face_a->logfont.lfPitchAndFamily == face_b->logfont.lfPitchAndFamily &&
+	(wcscmp (face_a->logfont.lfFaceName, face_b->logfont.lfFaceName) == 0))
+	return TRUE;
+    else
+	return FALSE;
+}
+
+/* implement the platform-specific interface */
+
+static cairo_bool_t
+_is_scale (const cairo_matrix_t *matrix, double scale)
+{
+    return matrix->xx == scale && matrix->yy == scale &&
+           matrix->xy == 0. && matrix->yx == 0. &&
+           matrix->x0 == 0. && matrix->y0 == 0.;
+}
+
+static cairo_status_t
+_cairo_win32_font_face_scaled_font_create (void			*abstract_face,
+					   const cairo_matrix_t	*font_matrix,
+					   const cairo_matrix_t	*ctm,
+					   const cairo_font_options_t *options,
+					   cairo_scaled_font_t **font)
+{
+    HFONT hfont = NULL;
+
+    cairo_win32_font_face_t *font_face = abstract_face;
+
+    if (font_face->hfont) {
+        /* Check whether it's OK to go ahead and use the font-face's HFONT. */
+        if (_is_scale (ctm, 1.) &&
+            _is_scale (font_matrix, -font_face->logfont.lfHeight)) {
+            hfont = font_face->hfont;
+        }
+    }
+
+    return _win32_scaled_font_create (&font_face->logfont,
+				      hfont,
+				      &font_face->base,
+				      font_matrix, ctm, options,
+				      font);
+}
+
+const cairo_font_face_backend_t _cairo_win32_font_face_backend = {
+    CAIRO_FONT_TYPE_WIN32,
+    _cairo_win32_font_face_create_for_toy,
+    _cairo_win32_font_face_destroy,
+    _cairo_win32_font_face_scaled_font_create
+};
+
+/**
+ * cairo_win32_font_face_create_for_logfontw_hfont:
+ * @logfont: A #LOGFONTW structure specifying the font to use.
+ *   If @font is %NULL then the lfHeight, lfWidth, lfOrientation and lfEscapement
+ *   fields of this structure are ignored. Otherwise lfWidth, lfOrientation and
+ *   lfEscapement must be zero.
+ * @font: An #HFONT that can be used when the font matrix is a scale by
+ *   -lfHeight and the CTM is identity.
+ *
+ * Creates a new font for the Win32 font backend based on a
+ * #LOGFONT. This font can then be used with
+ * cairo_set_font_face() or cairo_scaled_font_create().
+ * The #cairo_scaled_font_t
+ * returned from cairo_scaled_font_create() is also for the Win32 backend
+ * and can be used with functions such as cairo_win32_scaled_font_select_font().
+ *
+ * Return value: a newly created #cairo_font_face_t. Free with
+ *  cairo_font_face_destroy() when you are done using it.
+ *
+ * Since: 1.6
+ **/
+cairo_font_face_t *
+cairo_win32_font_face_create_for_logfontw_hfont (LOGFONTW *logfont, HFONT font)
+{
+    cairo_win32_font_face_t *font_face, key;
+    cairo_hash_table_t *hash_table;
+    cairo_status_t status;
+
+    hash_table = _cairo_win32_font_face_hash_table_lock ();
+    if (unlikely (hash_table == NULL)) {
+        _cairo_error_throw (CAIRO_STATUS_NO_MEMORY);
+	return (cairo_font_face_t *)&_cairo_font_face_nil;
+    }
+
+    _cairo_win32_font_face_init_key (&key, logfont, font);
+
+    /* Return existing unscaled font if it exists in the hash table. */
+    font_face = _cairo_hash_table_lookup (hash_table,
+					 &key.base.hash_entry);
+    if (font_face != NULL) {
+	if (font_face->base.status == CAIRO_STATUS_SUCCESS) {
+	    cairo_font_face_reference (&font_face->base);
+	    _cairo_win32_font_face_hash_table_unlock ();
+	    return &font_face->base;
+	}
+
+	/* remove the bad font from the hash table */
+	_cairo_hash_table_remove (hash_table, &font_face->base.hash_entry);
+    }
+
+    /* Otherwise create it and insert into hash table. */
+    font_face = _cairo_malloc (sizeof (cairo_win32_font_face_t));
+    if (!font_face) {
+        _cairo_error_throw (CAIRO_STATUS_NO_MEMORY);
+	goto FAIL;
+    }
+
+    _cairo_win32_font_face_init_key (font_face, logfont, font);
+    _cairo_font_face_init (&font_face->base, &_cairo_win32_font_face_backend);
+
+    assert (font_face->base.hash_entry.hash == key.base.hash_entry.hash);
+    status = _cairo_hash_table_insert (hash_table,
+				       &font_face->base.hash_entry);
+    if (unlikely (status))
+	goto FAIL;
+
+    _cairo_win32_font_face_hash_table_unlock ();
+    return &font_face->base;
+
+FAIL:
+    _cairo_win32_font_face_hash_table_unlock ();
+    return (cairo_font_face_t *)&_cairo_font_face_nil;
+}
+
+/**
+ * cairo_win32_font_face_create_for_logfontw:
+ * @logfont: A #LOGFONTW structure specifying the font to use.
+ *   The lfHeight, lfWidth, lfOrientation and lfEscapement
+ *   fields of this structure are ignored.
+ *
+ * Creates a new font for the Win32 font backend based on a
+ * #LOGFONT. This font can then be used with
+ * cairo_set_font_face() or cairo_scaled_font_create().
+ * The #cairo_scaled_font_t
+ * returned from cairo_scaled_font_create() is also for the Win32 backend
+ * and can be used with functions such as cairo_win32_scaled_font_select_font().
+ *
+ * Return value: a newly created #cairo_font_face_t. Free with
+ *  cairo_font_face_destroy() when you are done using it.
+ *
+ * Since: 1.0
+ **/
+cairo_font_face_t *
+cairo_win32_font_face_create_for_logfontw (LOGFONTW *logfont)
+{
+    return cairo_win32_font_face_create_for_logfontw_hfont (logfont, NULL);
+}
+
+/**
+ * cairo_win32_font_face_create_for_hfont:
+ * @font: An #HFONT structure specifying the font to use.
+ *
+ * Creates a new font for the Win32 font backend based on a
+ * #HFONT. This font can then be used with
+ * cairo_set_font_face() or cairo_scaled_font_create().
+ * The #cairo_scaled_font_t
+ * returned from cairo_scaled_font_create() is also for the Win32 backend
+ * and can be used with functions such as cairo_win32_scaled_font_select_font().
+ *
+ * Return value: a newly created #cairo_font_face_t. Free with
+ *  cairo_font_face_destroy() when you are done using it.
+ *
+ * Since: 1.2
+ **/
+cairo_font_face_t *
+cairo_win32_font_face_create_for_hfont (HFONT font)
+{
+    LOGFONTW logfont;
+    GetObjectW (font, sizeof(logfont), &logfont);
+
+    if (logfont.lfEscapement != 0 || logfont.lfOrientation != 0 ||
+        logfont.lfWidth != 0) {
+        /* We can't use this font because that optimization requires that
+         * lfEscapement, lfOrientation and lfWidth be zero. */
+        font = NULL;
+    }
+
+    return cairo_win32_font_face_create_for_logfontw_hfont (&logfont, font);
+}
+
+static cairo_bool_t
+_cairo_scaled_font_is_win32 (cairo_scaled_font_t *scaled_font)
+{
+    return scaled_font->backend == &_cairo_win32_scaled_font_backend;
+}
+
+/**
+ * cairo_win32_scaled_font_select_font:
+ * @scaled_font: A #cairo_scaled_font_t from the Win32 font backend. Such an
+ *   object can be created with cairo_win32_font_face_create_for_logfontw().
+ * @hdc: a device context
+ *
+ * Selects the font into the given device context and changes the
+ * map mode and world transformation of the device context to match
+ * that of the font. This function is intended for use when using
+ * layout APIs such as Uniscribe to do text layout with the
+ * cairo font. After finishing using the device context, you must call
+ * cairo_win32_scaled_font_done_font() to release any resources allocated
+ * by this function.
+ *
+ * See cairo_win32_scaled_font_get_metrics_factor() for converting logical
+ * coordinates from the device context to font space.
+ *
+ * Normally, calls to SaveDC() and RestoreDC() would be made around
+ * the use of this function to preserve the original graphics state.
+ *
+ * Return value: %CAIRO_STATUS_SUCCESS if the operation succeeded.
+ *   otherwise an error such as %CAIRO_STATUS_NO_MEMORY and
+ *   the device context is unchanged.
+ *
+ * Since: 1.0
+ **/
+cairo_status_t
+cairo_win32_scaled_font_select_font (cairo_scaled_font_t *scaled_font,
+				     HDC                  hdc)
+{
+    cairo_status_t status;
+    HFONT hfont;
+    HFONT old_hfont = NULL;
+    int old_mode;
+
+    if (! _cairo_scaled_font_is_win32 (scaled_font)) {
+	return _cairo_error (CAIRO_STATUS_FONT_TYPE_MISMATCH);
+    }
+
+    if (scaled_font->status)
+	return scaled_font->status;
+
+    status = _win32_scaled_font_get_scaled_hfont ((cairo_win32_scaled_font_t *)scaled_font, &hfont);
+    if (status)
+	return status;
+
+    old_hfont = SelectObject (hdc, hfont);
+    if (!old_hfont)
+	return _cairo_win32_print_gdi_error ("cairo_win32_scaled_font_select_font:SelectObject");
+
+    old_mode = SetGraphicsMode (hdc, GM_ADVANCED);
+    if (!old_mode) {
+	status = _cairo_win32_print_gdi_error ("cairo_win32_scaled_font_select_font:SetGraphicsMode");
+	SelectObject (hdc, old_hfont);
+	return status;
+    }
+
+    status = _win32_scaled_font_set_world_transform ((cairo_win32_scaled_font_t *)scaled_font, hdc);
+    if (status) {
+	SetGraphicsMode (hdc, old_mode);
+	SelectObject (hdc, old_hfont);
+	return status;
+    }
+
+    SetMapMode (hdc, MM_TEXT);
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+/**
+ * cairo_win32_scaled_font_done_font:
+ * @scaled_font: A scaled font from the Win32 font backend.
+ *
+ * Releases any resources allocated by cairo_win32_scaled_font_select_font()
+ *
+ * Since: 1.0
+ **/
+void
+cairo_win32_scaled_font_done_font (cairo_scaled_font_t *scaled_font)
+{
+    if (! _cairo_scaled_font_is_win32 (scaled_font)) {
+	_cairo_error_throw (CAIRO_STATUS_FONT_TYPE_MISMATCH);
+    }
+}
+
+/**
+ * cairo_win32_scaled_font_get_metrics_factor:
+ * @scaled_font: a scaled font from the Win32 font backend
+ *
+ * Gets a scale factor between logical coordinates in the coordinate
+ * space used by cairo_win32_scaled_font_select_font() (that is, the
+ * coordinate system used by the Windows functions to return metrics) and
+ * font space coordinates.
+ *
+ * Return value: factor to multiply logical units by to get font space
+ *               coordinates.
+ *
+ * Since: 1.0
+ **/
+double
+cairo_win32_scaled_font_get_metrics_factor (cairo_scaled_font_t *scaled_font)
+{
+    if (! _cairo_scaled_font_is_win32 (scaled_font)) {
+	_cairo_error_throw (CAIRO_STATUS_FONT_TYPE_MISMATCH);
+	return 1.;
+    }
+    return 1. / ((cairo_win32_scaled_font_t *)scaled_font)->logical_scale;
+}
+
+/**
+ * cairo_win32_scaled_font_get_logical_to_device:
+ * @scaled_font: a scaled font from the Win32 font backend
+ * @logical_to_device: matrix to return
+ *
+ * Gets the transformation mapping the logical space used by @scaled_font
+ * to device space.
+ *
+ * Since: 1.4
+ **/
+void
+cairo_win32_scaled_font_get_logical_to_device (cairo_scaled_font_t *scaled_font,
+					       cairo_matrix_t *logical_to_device)
+{
+    cairo_win32_scaled_font_t *win_font = (cairo_win32_scaled_font_t *)scaled_font;
+    if (! _cairo_scaled_font_is_win32 (scaled_font)) {
+	_cairo_error_throw (CAIRO_STATUS_FONT_TYPE_MISMATCH);
+	cairo_matrix_init_identity (logical_to_device);
+	return;
+    }
+    *logical_to_device = win_font->logical_to_device;
+}
+
+/**
+ * cairo_win32_scaled_font_get_device_to_logical:
+ * @scaled_font: a scaled font from the Win32 font backend
+ * @device_to_logical: matrix to return
+ *
+ * Gets the transformation mapping device space to the logical space
+ * used by @scaled_font.
+ *
+ * Since: 1.4
+ **/
+void
+cairo_win32_scaled_font_get_device_to_logical (cairo_scaled_font_t *scaled_font,
+					       cairo_matrix_t *device_to_logical)
+{
+    cairo_win32_scaled_font_t *win_font = (cairo_win32_scaled_font_t *)scaled_font;
+    if (! _cairo_scaled_font_is_win32 (scaled_font)) {
+	_cairo_error_throw (CAIRO_STATUS_FONT_TYPE_MISMATCH);
+	cairo_matrix_init_identity (device_to_logical);
+	return;
+    }
+    *device_to_logical = win_font->device_to_logical;
+}
+
+void
+_cairo_win32_font_reset_static_data (void)
+{
+    _cairo_win32_font_face_hash_table_destroy ();
+}