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/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
/* Cairo - a vector graphics library with display and print output
 *
 * Copyright © 2007, 2008 Adrian Johnson
 *
 * 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, Fifth Floor, Boston, MA 02110-1301 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 Adrian Johnson.
 *
 * Contributor(s):
 *      Adrian Johnson <ajohnson@redneon.com>
 *      Vladimir Vukicevic <vladimir@pobox.com>
 */


#define WIN32_LEAN_AND_MEAN
/* We require Windows 2000 features such as ETO_PDY */
#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-paginated-private.h"

#include "cairo-clip-private.h"
#include "cairo-win32-private.h"
#include "cairo-meta-surface-private.h"
#include "cairo-scaled-font-subsets-private.h"
#include "cairo-image-info-private.h"
#include "cairo-surface-clipper-private.h"

#include <windows.h>

#if !defined(POSTSCRIPT_IDENTIFY)
# define POSTSCRIPT_IDENTIFY 0x1015
#endif

#if !defined(PSIDENT_GDICENTRIC)
# define PSIDENT_GDICENTRIC 0x0000
#endif

#if !defined(GET_PS_FEATURESETTING)
# define GET_PS_FEATURESETTING 0x1019
#endif

#if !defined(FEATURESETTING_PSLEVEL)
# define FEATURESETTING_PSLEVEL 0x0002
#endif

#if !defined(GRADIENT_FILL_RECT_H)
# define GRADIENT_FILL_RECT_H 0x00
#endif

#if !defined(CHECKJPEGFORMAT)
# define CHECKJPEGFORMAT 0x1017
#endif

#if !defined(CHECKPNGFORMAT)
# define CHECKPNGFORMAT 0x1018
#endif

#define PELS_72DPI  ((LONG)(72. / 0.0254))

static const cairo_surface_backend_t cairo_win32_printing_surface_backend;
static const cairo_paginated_surface_backend_t cairo_win32_surface_paginated_backend;

static void
_cairo_win32_printing_surface_init_ps_mode (cairo_win32_surface_t *surface)
{
    DWORD word;
    INT ps_feature, ps_level;

    word = PSIDENT_GDICENTRIC;
    if (ExtEscape (surface->dc, POSTSCRIPT_IDENTIFY, sizeof(DWORD), (char *)&word, 0, (char *)NULL) <= 0)
        return;

    ps_feature = FEATURESETTING_PSLEVEL;
    if (ExtEscape (surface->dc, GET_PS_FEATURESETTING, sizeof(INT),
                   (char *)&ps_feature, sizeof(INT), (char *)&ps_level) <= 0)
        return;

    if (ps_level >= 3)
        surface->flags |= CAIRO_WIN32_SURFACE_CAN_RECT_GRADIENT;
}

static void
_cairo_win32_printing_surface_init_image_support (cairo_win32_surface_t *surface)
{
    DWORD word;

    word = CHECKJPEGFORMAT;
    if (ExtEscape(surface->dc, QUERYESCSUPPORT, sizeof(word), (char *)&word, 0, (char *)NULL) > 0)
        surface->flags |= CAIRO_WIN32_SURFACE_CAN_CHECK_JPEG;

    word = CHECKPNGFORMAT;
    if (ExtEscape(surface->dc, QUERYESCSUPPORT, sizeof(word), (char *)&word, 0, (char *)NULL) > 0)
        surface->flags |= CAIRO_WIN32_SURFACE_CAN_CHECK_PNG;
}

static cairo_int_status_t
analyze_surface_pattern_transparency (cairo_surface_pattern_t *pattern)
{
    cairo_image_surface_t  *image;
    void                   *image_extra;
    cairo_int_status_t      status;
    cairo_image_transparency_t transparency;

    status = _cairo_surface_acquire_source_image (pattern->surface,
                                                  &image,
                                                  &image_extra);
    if (status)
        return status;

    transparency = _cairo_image_analyze_transparency (image);
    switch (transparency) {
    case CAIRO_IMAGE_UNKNOWN:
        ASSERT_NOT_REACHED;
    case CAIRO_IMAGE_IS_OPAQUE:
        status = CAIRO_STATUS_SUCCESS;
        break;

    case CAIRO_IMAGE_HAS_BILEVEL_ALPHA:
    case CAIRO_IMAGE_HAS_ALPHA:
        status = CAIRO_INT_STATUS_FLATTEN_TRANSPARENCY;
        break;
    }

    _cairo_surface_release_source_image (pattern->surface, image, image_extra);

    return status;
}

static cairo_bool_t
surface_pattern_supported (const cairo_surface_pattern_t *pattern)
{
    if (_cairo_surface_is_meta (pattern->surface))
        return TRUE;

    if (cairo_surface_get_type (pattern->surface) != CAIRO_SURFACE_TYPE_WIN32 &&
        pattern->surface->backend->acquire_source_image == NULL)
    {
        return FALSE;
    }

    return TRUE;
}

static cairo_bool_t
pattern_supported (cairo_win32_surface_t *surface, const cairo_pattern_t *pattern)
{
    if (pattern->type == CAIRO_PATTERN_TYPE_SOLID)
        return TRUE;

    if (pattern->type == CAIRO_PATTERN_TYPE_SURFACE)
        return surface_pattern_supported ((const cairo_surface_pattern_t *) pattern);

    if (pattern->type == CAIRO_PATTERN_TYPE_LINEAR)
        return surface->flags & CAIRO_WIN32_SURFACE_CAN_RECT_GRADIENT;

    return FALSE;
}

static cairo_int_status_t
_cairo_win32_printing_surface_analyze_operation (cairo_win32_surface_t *surface,
                                                 cairo_operator_t       op,
                                                 const cairo_pattern_t *pattern)
{
    if (! pattern_supported (surface, pattern))
        return CAIRO_INT_STATUS_UNSUPPORTED;

    if (!(op == CAIRO_OPERATOR_SOURCE ||
          op == CAIRO_OPERATOR_OVER ||
          op == CAIRO_OPERATOR_CLEAR))
        return CAIRO_INT_STATUS_UNSUPPORTED;

    if (pattern->type == CAIRO_PATTERN_TYPE_SURFACE) {
        cairo_surface_pattern_t *surface_pattern = (cairo_surface_pattern_t *) pattern;

        if ( _cairo_surface_is_meta (surface_pattern->surface))
            return CAIRO_INT_STATUS_ANALYZE_META_SURFACE_PATTERN;
    }

    if (op == CAIRO_OPERATOR_SOURCE ||
        op == CAIRO_OPERATOR_CLEAR)
        return CAIRO_STATUS_SUCCESS;

    /* CAIRO_OPERATOR_OVER is only supported for opaque patterns. If
     * the pattern contains transparency, we return
     * CAIRO_INT_STATUS_FLATTEN_TRANSPARENCY to the analysis
     * surface. If the analysis surface determines that there is
     * anything drawn under this operation, a fallback image will be
     * used. Otherwise the operation will be replayed during the
     * render stage and we blend the transarency into the white
     * background to convert the pattern to opaque.
     */


    if (pattern->type == CAIRO_PATTERN_TYPE_SURFACE) {
        cairo_surface_pattern_t *surface_pattern = (cairo_surface_pattern_t *) pattern;

        return analyze_surface_pattern_transparency (surface_pattern);
    }

    if (_cairo_pattern_is_opaque (pattern))
        return CAIRO_STATUS_SUCCESS;
    else
        return CAIRO_INT_STATUS_FLATTEN_TRANSPARENCY;
}

static cairo_bool_t
_cairo_win32_printing_surface_operation_supported (cairo_win32_surface_t *surface,
                                                   cairo_operator_t       op,
                                                   const cairo_pattern_t *pattern)
{
    if (_cairo_win32_printing_surface_analyze_operation (surface, op, pattern) != CAIRO_INT_STATUS_UNSUPPORTED)
        return TRUE;
    else
        return FALSE;
}

static void
_cairo_win32_printing_surface_init_clear_color (cairo_win32_surface_t *surface,
                                                cairo_solid_pattern_t *color)
{
    if (surface->content == CAIRO_CONTENT_COLOR_ALPHA)
        _cairo_pattern_init_solid (color, CAIRO_COLOR_WHITE, CAIRO_CONTENT_COLOR);
    else
        _cairo_pattern_init_solid (color, CAIRO_COLOR_BLACK, CAIRO_CONTENT_COLOR);
}

static COLORREF
_cairo_win32_printing_surface_flatten_transparency (cairo_win32_surface_t *surface,
                                                    const cairo_color_t   *color)
{
    COLORREF c;
    BYTE red, green, blue;

    red   = color->red_short   >> 8;
    green = color->green_short >> 8;
    blue  = color->blue_short  >> 8;

    if (!CAIRO_COLOR_IS_OPAQUE(color)) {
        if (surface->content == CAIRO_CONTENT_COLOR_ALPHA) {
            /* Blend into white */
            uint8_t one_minus_alpha = 255 - (color->alpha_short >> 8);

            red   = (color->red_short   >> 8) + one_minus_alpha;
            green = (color->green_short >> 8) + one_minus_alpha;
            blue  = (color->blue_short  >> 8) + one_minus_alpha;
        } else {
            /* Blend into black */
            red   = (color->red_short   >> 8);
            green = (color->green_short >> 8);
            blue  = (color->blue_short  >> 8);
        }
    }
    c = RGB (red, green, blue);

    return c;
}

static cairo_status_t
_cairo_win32_printing_surface_select_solid_brush (cairo_win32_surface_t *surface,
                                                  const cairo_pattern_t *source)
{
    cairo_solid_pattern_t *pattern = (cairo_solid_pattern_t *) source;
    COLORREF color;

    color = _cairo_win32_printing_surface_flatten_transparency (surface,
                                                                &pattern->color);
    surface->brush = CreateSolidBrush (color);
    if (!surface->brush)
        return _cairo_win32_print_gdi_error ("_cairo_win32_surface_select_solid_brush(CreateSolidBrush)");
    surface->old_brush = SelectObject (surface->dc, surface->brush);

    return CAIRO_STATUS_SUCCESS;
}

static void
_cairo_win32_printing_surface_done_solid_brush (cairo_win32_surface_t *surface)
{
    if (surface->old_brush) {
        SelectObject (surface->dc, surface->old_brush);
        DeleteObject (surface->brush);
        surface->old_brush = NULL;
    }
}

static cairo_status_t
_cairo_win32_printing_surface_get_ctm_clip_box (cairo_win32_surface_t *surface,
                                                RECT                  *clip)
{
    XFORM xform;

    _cairo_matrix_to_win32_xform (&surface->ctm, &xform);
    if (!SetWorldTransform (surface->dc, &xform))
        return _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_get_clip_box:SetWorldTransform");
    GetClipBox (surface->dc, clip);
    if (!ModifyWorldTransform (surface->dc, &xform, MWT_IDENTITY))
        return _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_get_clip_box:ModifyWorldTransform");

    return CAIRO_STATUS_SUCCESS;
}

static cairo_status_t
_cairo_win32_printing_surface_paint_solid_pattern (cairo_win32_surface_t *surface,
                                                   const cairo_pattern_t *pattern)
{
    RECT clip;
    cairo_status_t status;

    GetClipBox (surface->dc, &clip);
    status = _cairo_win32_printing_surface_select_solid_brush (surface, pattern);
    if (status)
        return status;

    FillRect (surface->dc, &clip, surface->brush);
    _cairo_win32_printing_surface_done_solid_brush (surface);

    return CAIRO_STATUS_SUCCESS;
}

static cairo_status_t
_cairo_win32_printing_surface_paint_meta_pattern (cairo_win32_surface_t   *surface,
                                                  cairo_surface_pattern_t *pattern)
{
    cairo_content_t old_content;
    cairo_matrix_t old_ctm;
    cairo_bool_t old_has_ctm;
    cairo_rectangle_int_t meta_extents;
    cairo_status_t status;
    cairo_extend_t extend;
    cairo_matrix_t p2d;
    XFORM xform;
    int x_tile, y_tile, left, right, top, bottom;
    RECT clip;
    cairo_meta_surface_t *meta_surface = (cairo_meta_surface_t *) pattern->surface;
    cairo_box_t bbox;

    extend = cairo_pattern_get_extend (&pattern->base);

    p2d = pattern->base.matrix;
    status = cairo_matrix_invert (&p2d);
    /* _cairo_pattern_set_matrix guarantees invertibility */
    assert (status == CAIRO_STATUS_SUCCESS);

    old_ctm = surface->ctm;
    old_has_ctm = surface->has_ctm;
    cairo_matrix_multiply (&p2d, &p2d, &surface->ctm);
    surface->ctm = p2d;
    SaveDC (surface->dc);
    _cairo_matrix_to_win32_xform (&p2d, &xform);

    status = _cairo_meta_surface_get_bbox (meta_surface, &bbox, NULL);
    if (status)
        return status;

    status = _cairo_win32_printing_surface_get_ctm_clip_box (surface, &clip);
    if (status)
        return status;

    if (extend == CAIRO_EXTEND_REPEAT || extend == CAIRO_EXTEND_REFLECT) {
        left = floor (clip.left / _cairo_fixed_to_double (bbox.p2.x - bbox.p1.x));
        right = ceil (clip.right / _cairo_fixed_to_double (bbox.p2.x - bbox.p1.x));
        top = floor (clip.top / _cairo_fixed_to_double (bbox.p2.y - bbox.p1.y));
        bottom = ceil (clip.bottom / _cairo_fixed_to_double (bbox.p2.y - bbox.p1.y));
    } else {
        left = 0;
        right = 1;
        top = 0;
        bottom = 1;
    }

    old_content = surface->content;
    if (meta_surface->base.content == CAIRO_CONTENT_COLOR) {
        cairo_pattern_t  *source;
        cairo_solid_pattern_t black;

        surface->content = CAIRO_CONTENT_COLOR;
        _cairo_pattern_init_solid (&black, CAIRO_COLOR_BLACK, CAIRO_CONTENT_COLOR);
        source = (cairo_pattern_t*) &black;
        status = _cairo_win32_printing_surface_paint_solid_pattern (surface, source);
        if (status)
            return status;
    }

    for (y_tile = top; y_tile < bottom; y_tile++) {
        for (x_tile = left; x_tile < right; x_tile++) {
            cairo_matrix_t m;
            double x, y;

            SaveDC (surface->dc);
            m = p2d;
            cairo_matrix_translate (&m,
                                    x_tile*meta_extents.width,
                                    y_tile*meta_extents.height);
            if (extend == CAIRO_EXTEND_REFLECT) {
                if (x_tile % 2) {
                    cairo_matrix_translate (&m, meta_extents.width, 0);
                    cairo_matrix_scale (&m, -1, 1);
                }
                if (y_tile % 2) {
                    cairo_matrix_translate (&m, 0, meta_extents.height);
                    cairo_matrix_scale (&m, 1, -1);
                }
            }
            surface->ctm = m;
            surface->has_ctm = !_cairo_matrix_is_identity (&surface->ctm);

            /* Set clip path around bbox of the pattern. */
            BeginPath (surface->dc);

            x = 0;
            y = 0;
            cairo_matrix_transform_point (&surface->ctm, &x, &y);
            MoveToEx (surface->dc, (int) x, (int) y, NULL);

            x = meta_extents.width;
            y = 0;
            cairo_matrix_transform_point (&surface->ctm, &x, &y);
            LineTo (surface->dc, (int) x, (int) y);

            x = meta_extents.width;
            y = meta_extents.height;
            cairo_matrix_transform_point (&surface->ctm, &x, &y);
            LineTo (surface->dc, (int) x, (int) y);

            x = 0;
            y = meta_extents.height;
            cairo_matrix_transform_point (&surface->ctm, &x, &y);
            LineTo (surface->dc, (int) x, (int) y);

            CloseFigure (surface->dc);
            EndPath (surface->dc);
            SelectClipPath (surface->dc, RGN_AND);

            SaveDC (surface->dc); /* Allow clip path to be reset during replay */
            status = _cairo_meta_surface_replay_region (&meta_surface->base,
                                                        &surface->base,
                                                        CAIRO_META_REGION_NATIVE);
            assert (status != CAIRO_INT_STATUS_UNSUPPORTED);
            /* Restore both the clip save and our earlier path SaveDC */
            RestoreDC (surface->dc, -2);

            if (status)
                return status;
        }
    }

    surface->content = old_content;
    surface->ctm = old_ctm;
    surface->has_ctm = old_has_ctm;
    RestoreDC (surface->dc, -1);

    return status;
}

static cairo_int_status_t
_cairo_win32_printing_surface_check_jpeg (cairo_win32_surface_t   *surface,
                                          cairo_surface_t         *source,
                                          const unsigned char    **data,
                                          unsigned int            *length,
                                          cairo_image_info_t      *info)
{
    const unsigned char *mime_data;
    unsigned int mime_data_length;
    cairo_int_status_t status;
    DWORD result;

    if (!(surface->flags & CAIRO_WIN32_SURFACE_CAN_CHECK_JPEG))
        return CAIRO_INT_STATUS_UNSUPPORTED;

    cairo_surface_get_mime_data (source, CAIRO_MIME_TYPE_JPEG,
                                 &mime_data, &mime_data_length);
    if (mime_data == NULL)
        return CAIRO_INT_STATUS_UNSUPPORTED;

    status = _cairo_image_info_get_jpeg_info (info, mime_data, mime_data_length);
    if (status)
        return status;

    result = 0;
    if (ExtEscape(surface->dc, CHECKJPEGFORMAT, mime_data_length, (char *) mime_data,
                  sizeof(result), (char *) &result) <= 0)
        return CAIRO_INT_STATUS_UNSUPPORTED;

    if (result != 1)
        return CAIRO_INT_STATUS_UNSUPPORTED;

    *data = mime_data;
    *length = mime_data_length;

    return CAIRO_STATUS_SUCCESS;
}

static cairo_int_status_t
_cairo_win32_printing_surface_check_png (cairo_win32_surface_t   *surface,
                                         cairo_surface_t         *source,
                                         const unsigned char    **data,
                                         unsigned int            *length,
                                         cairo_image_info_t      *info)
{
    const unsigned char *mime_data;
    unsigned int mime_data_length;

    cairo_int_status_t status;
    DWORD result;

    if (!(surface->flags & CAIRO_WIN32_SURFACE_CAN_CHECK_PNG))
        return CAIRO_INT_STATUS_UNSUPPORTED;

    cairo_surface_get_mime_data (source, CAIRO_MIME_TYPE_PNG,
                                 &mime_data, &mime_data_length);
    if (mime_data == NULL)
        return CAIRO_INT_STATUS_UNSUPPORTED;

    status = _cairo_image_info_get_png_info (info, mime_data, mime_data_length);
    if (status)
        return status;

    result = 0;
    if (ExtEscape(surface->dc, CHECKPNGFORMAT, mime_data_length, (char *) mime_data,
                  sizeof(result), (char *) &result) <= 0)
        return CAIRO_INT_STATUS_UNSUPPORTED;

    if (result != 1)
        return CAIRO_INT_STATUS_UNSUPPORTED;

    *data = mime_data;
    *length = mime_data_length;

    return CAIRO_STATUS_SUCCESS;
}

static cairo_status_t
_cairo_win32_printing_surface_paint_image_pattern (cairo_win32_surface_t   *surface,
                                                   cairo_surface_pattern_t *pattern)
{
    cairo_status_t status;
    cairo_extend_t extend;
    cairo_image_surface_t *image;
    void *image_extra;
    cairo_image_surface_t *opaque_image = NULL;
    BITMAPINFO bi;
    cairo_matrix_t m;
    int oldmode;
    XFORM xform;
    int x_tile, y_tile, left, right, top, bottom;
    RECT clip;
    const cairo_color_t *background_color;
    const unsigned char *mime_data;
    unsigned int mime_size;
    cairo_image_info_t mime_info;
    cairo_bool_t use_mime;
    DWORD mime_type;

    /* If we can't use StretchDIBits with this surface, we can't do anything
     * here.
     */

    if (!(surface->flags & CAIRO_WIN32_SURFACE_CAN_STRETCHDIB))
        return CAIRO_INT_STATUS_UNSUPPORTED;

    if (surface->content == CAIRO_CONTENT_COLOR_ALPHA)
        background_color = CAIRO_COLOR_WHITE;
    else
        background_color = CAIRO_COLOR_BLACK;

    extend = cairo_pattern_get_extend (&pattern->base);

    status = _cairo_surface_acquire_source_image (pattern->surface,
                                                  &image, &image_extra);
    if (status)
        return status;

    if (image->base.status) {
        status = image->base.status;
        goto CLEANUP_IMAGE;
    }

    if (image->width == 0 || image->height == 0) {
        status = CAIRO_STATUS_SUCCESS;
        goto CLEANUP_IMAGE;
    }

    mime_type = BI_JPEG;
    status = _cairo_win32_printing_surface_check_jpeg (surface,
                                                       pattern->surface,
                                                       &mime_data,
                                                       &mime_size,
                                                       &mime_info);
    if (status == CAIRO_INT_STATUS_UNSUPPORTED) {
        mime_type = BI_PNG;
        status = _cairo_win32_printing_surface_check_png (surface,
                                                          pattern->surface,
                                                          &mime_data,
                                                          &mime_size,
                                                          &mime_info);
    }
    if (_cairo_status_is_error (status))
        return status;

    use_mime = (status == CAIRO_STATUS_SUCCESS);

    if (!use_mime && image->format != CAIRO_FORMAT_RGB24) {
        cairo_surface_t *opaque_surface;
        cairo_surface_pattern_t image_pattern;
        cairo_solid_pattern_t background_pattern;

        opaque_surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
                                                     image->width,
                                                     image->height);
        if (opaque_surface->status) {
            status = opaque_surface->status;
            goto CLEANUP_OPAQUE_IMAGE;
        }

        _cairo_pattern_init_solid (&background_pattern,
                                   background_color,
                                   CAIRO_CONTENT_COLOR);
        status = _cairo_surface_paint (opaque_surface,
                                       CAIRO_OPERATOR_SOURCE,
                                       &background_pattern.base,
                                       NULL);
        if (status)
            goto CLEANUP_OPAQUE_IMAGE;

        _cairo_pattern_init_for_surface (&image_pattern, &image->base);
        status = _cairo_surface_paint (opaque_surface,
                                       CAIRO_OPERATOR_OVER,
                                       &image_pattern.base,
                                       NULL);
        _cairo_pattern_fini (&image_pattern.base);
        if (status)
            goto CLEANUP_OPAQUE_IMAGE;

        opaque_image = (cairo_image_surface_t *) opaque_surface;
    } else {
        opaque_image = image;
    }

    bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
    bi.bmiHeader.biWidth = use_mime ? mime_info.width : opaque_image->width;
    bi.bmiHeader.biHeight = use_mime ? - mime_info.height : -opaque_image->height;
    bi.bmiHeader.biSizeImage = use_mime ? mime_size : 0;
    bi.bmiHeader.biXPelsPerMeter = PELS_72DPI;
    bi.bmiHeader.biYPelsPerMeter = PELS_72DPI;
    bi.bmiHeader.biPlanes = 1;
    bi.bmiHeader.biBitCount = 32;
    bi.bmiHeader.biCompression = use_mime ? mime_type : BI_RGB;
    bi.bmiHeader.biClrUsed = 0;
    bi.bmiHeader.biClrImportant = 0;

    m = pattern->base.matrix;
    status = cairo_matrix_invert (&m);
    /* _cairo_pattern_set_matrix guarantees invertibility */
    assert (status == CAIRO_STATUS_SUCCESS);

    cairo_matrix_multiply (&m, &m, &surface->ctm);
    SaveDC (surface->dc);
    _cairo_matrix_to_win32_xform (&m, &xform);

    if (! SetWorldTransform (surface->dc, &xform)) {
        status = _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_paint_image_pattern");
        goto CLEANUP_OPAQUE_IMAGE;
    }

    oldmode = SetStretchBltMode(surface->dc, HALFTONE);

    GetClipBox (surface->dc, &clip);
    if (extend == CAIRO_EXTEND_REPEAT || extend == CAIRO_EXTEND_REFLECT) {
        left = floor ( clip.left / (double) opaque_image->width);
        right = ceil (clip.right / (double) opaque_image->width);
        top = floor (clip.top / (double) opaque_image->height);
        bottom = ceil (clip.bottom / (double) opaque_image->height);
    } else {
        left = 0;
        right = 1;
        top = 0;
        bottom = 1;
    }

    for (y_tile = top; y_tile < bottom; y_tile++) {
        for (x_tile = left; x_tile < right; x_tile++) {
            if (!StretchDIBits (surface->dc,
                                x_tile*opaque_image->width,
                                y_tile*opaque_image->height,
                                opaque_image->width,
                                opaque_image->height,
                                0,
                                0,
                                use_mime ? mime_info.width : opaque_image->width,
                                use_mime ? mime_info.height : opaque_image->height,
                                use_mime ? mime_data : opaque_image->data,
                                &bi,
                                DIB_RGB_COLORS,
                                SRCCOPY))
            {
                status = _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_paint(StretchDIBits)");
                goto CLEANUP_OPAQUE_IMAGE;
            }
        }
    }
    SetStretchBltMode(surface->dc, oldmode);
    RestoreDC (surface->dc, -1);

CLEANUP_OPAQUE_IMAGE:
    if (opaque_image != image)
        cairo_surface_destroy (&opaque_image->base);
CLEANUP_IMAGE:
    _cairo_surface_release_source_image (pattern->surface, image, image_extra);

    return status;
}

static cairo_status_t
_cairo_win32_printing_surface_paint_surface_pattern (cairo_win32_surface_t   *surface,
                                                     cairo_surface_pattern_t *pattern)
{
    if (_cairo_surface_is_meta (pattern->surface)) {
        return _cairo_win32_printing_surface_paint_meta_pattern (surface,
                                                                 pattern);
    } else {
        return _cairo_win32_printing_surface_paint_image_pattern (surface,
                                                                  pattern);
    }
}

static void
vertex_set_color (TRIVERTEX *vert, cairo_color_t *color)
{
    /* MSDN says that the range here is 0x0000 .. 0xff00;
     * that may well be a typo, but just chop the low bits
     * here. */

    vert->Alpha = 0xff00;
    vert->Red   = color->red_short & 0xff00;
    vert->Green = color->green_short & 0xff00;
    vert->Blue  = color->blue_short & 0xff00;
}

static cairo_int_status_t
_cairo_win32_printing_surface_paint_linear_pattern (cairo_win32_surface_t *surface,
                                                    cairo_linear_pattern_t *pattern)
{
    TRIVERTEX *vert;
    GRADIENT_RECT *rect;
    RECT clip;
    XFORM xform;
    int i, num_stops;
    cairo_matrix_t mat, rot;
    double p1x, p1y, p2x, p2y, xd, yd, d, sn, cs;
    cairo_extend_t extend;
    int range_start, range_stop, num_ranges, num_rects, stop;
    int total_verts, total_rects;
    cairo_status_t status;

    extend = cairo_pattern_get_extend (&pattern->base.base);
    SaveDC (surface->dc);

    mat = pattern->base.base.matrix;
    status = cairo_matrix_invert (&mat);
    /* _cairo_pattern_set_matrix guarantees invertibility */
    assert (status == CAIRO_STATUS_SUCCESS);

    cairo_matrix_multiply (&mat, &surface->ctm, &mat);

    p1x = _cairo_fixed_to_double (pattern->p1.x);
    p1y = _cairo_fixed_to_double (pattern->p1.y);
    p2x = _cairo_fixed_to_double (pattern->p2.x);
    p2y = _cairo_fixed_to_double (pattern->p2.y);
    cairo_matrix_translate (&mat, p1x, p1y);

    xd = p2x - p1x;
    yd = p2y - p1y;
    d = sqrt (xd*xd + yd*yd);
    sn = yd/d;
    cs = xd/d;
    cairo_matrix_init (&rot,
                       cs, sn,
                       -sn, cs,
                        0, 0);
    cairo_matrix_multiply (&mat, &rot, &mat);

    _cairo_matrix_to_win32_xform (&mat, &xform);

    if (!SetWorldTransform (surface->dc, &xform))
        return _cairo_win32_print_gdi_error ("_win32_printing_surface_paint_linear_pattern:SetWorldTransform2");

    GetClipBox (surface->dc, &clip);

    if (extend == CAIRO_EXTEND_REPEAT || extend == CAIRO_EXTEND_REFLECT) {
        range_start = floor (clip.left / d);
        range_stop = ceil (clip.right / d);
    } else {
        range_start = 0;
        range_stop = 1;
    }
    num_ranges = range_stop - range_start;
    num_stops = pattern->base.n_stops;
    num_rects = num_stops - 1;

    /* Add an extra four points and two rectangles for EXTEND_PAD */
    vert = malloc (sizeof (TRIVERTEX) * (num_rects*2*num_ranges + 4));
    rect = malloc (sizeof (GRADIENT_RECT) * (num_rects*num_ranges + 2));

    for (i = 0; i < num_ranges*num_rects; i++) {
        vert[i*2].y = (LONG) clip.top;
        if (i%num_rects == 0) {
            stop = 0;
            if (extend == CAIRO_EXTEND_REFLECT && (range_start+(i/num_rects))%2)
                stop = num_rects;
            vert[i*2].x = (LONG)(d*(range_start + i/num_rects));
            vertex_set_color (&vert[i*2], &pattern->base.stops[stop].color);
        } else {
            vert[i*2].x = vert[i*2-1].x;
            vert[i*2].Red = vert[i*2-1].Red;
            vert[i*2].Green = vert[i*2-1].Green;
            vert[i*2].Blue = vert[i*2-1].Blue;
            vert[i*2].Alpha = vert[i*2-1].Alpha;
        }

        stop = i%num_rects + 1;
        vert[i*2+1].x = (LONG)(d*(range_start + i/num_rects + pattern->base.stops[stop].offset));
        vert[i*2+1].y = (LONG) clip.bottom;
        if (extend == CAIRO_EXTEND_REFLECT && (range_start+(i/num_rects))%2)
            stop = num_rects - stop;
        vertex_set_color (&vert[i*2+1], &pattern->base.stops[stop].color);

        rect[i].UpperLeft = i*2;
        rect[i].LowerRight = i*2 + 1;
    }
    total_verts = 2*num_ranges*num_rects;
    total_rects = num_ranges*num_rects;

    if (extend == CAIRO_EXTEND_PAD) {
        vert[i*2].x = vert[i*2-1].x;
        vert[i*2].y = (LONG) clip.top;
        vert[i*2].Red = vert[i*2-1].Red;
        vert[i*2].Green = vert[i*2-1].Green;
        vert[i*2].Blue = vert[i*2-1].Blue;
        vert[i*2].Alpha = 0xff00;
        vert[i*2+1].x = clip.right;
        vert[i*2+1].y = (LONG) clip.bottom;
        vert[i*2+1].Red = vert[i*2-1].Red;
        vert[i*2+1].Green = vert[i*2-1].Green;
        vert[i*2+1].Blue = vert[i*2-1].Blue;
        vert[i*2+1].Alpha = 0xff00;
        rect[i].UpperLeft = i*2;
        rect[i].LowerRight = i*2 + 1;

        i++;

        vert[i*2].x = clip.left;
        vert[i*2].y = (LONG) clip.top;
        vert[i*2].Red = vert[0].Red;
        vert[i*2].Green = vert[0].Green;
        vert[i*2].Blue = vert[0].Blue;
        vert[i*2].Alpha = 0xff00;
        vert[i*2+1].x = vert[0].x;
        vert[i*2+1].y = (LONG) clip.bottom;
        vert[i*2+1].Red = vert[0].Red;
        vert[i*2+1].Green = vert[0].Green;
        vert[i*2+1].Blue = vert[0].Blue;
        vert[i*2+1].Alpha = 0xff00;
        rect[i].UpperLeft = i*2;
        rect[i].LowerRight = i*2 + 1;

        total_verts += 4;
        total_rects += 2;
    }

    if (!GradientFill (surface->dc,
                       vert, total_verts,
                       rect, total_rects,
                       GRADIENT_FILL_RECT_H))
        return _cairo_win32_print_gdi_error ("_win32_printing_surface_paint_linear_pattern:GradientFill");

    free (rect);
    free (vert);
    RestoreDC (surface->dc, -1);

    return 0;
}

static cairo_int_status_t
_cairo_win32_printing_surface_paint_pattern (cairo_win32_surface_t *surface,
                                             const cairo_pattern_t *pattern)
{
    cairo_status_t status;

    switch (pattern->type) {
    case CAIRO_PATTERN_TYPE_SOLID:
        status = _cairo_win32_printing_surface_paint_solid_pattern (surface, pattern);
        if (status)
            return status;
        break;

    case CAIRO_PATTERN_TYPE_SURFACE:
        status = _cairo_win32_printing_surface_paint_surface_pattern (surface,
                                                                      (cairo_surface_pattern_t *) pattern);
        if (status)
            return status;
        break;

    case CAIRO_PATTERN_TYPE_LINEAR:
        status = _cairo_win32_printing_surface_paint_linear_pattern (surface, (cairo_linear_pattern_t *) pattern);
        if (status)
            return status;
        break;

    case CAIRO_PATTERN_TYPE_RADIAL:
        return CAIRO_INT_STATUS_UNSUPPORTED;
        break;

    case CAIRO_PATTERN_TYPE_MESH:
        ASSERT_NOT_REACHED;
    }

    return CAIRO_STATUS_SUCCESS;
}

typedef struct _win32_print_path_info {
    cairo_win32_surface_t *surface;
} win32_path_info_t;

static cairo_status_t
_cairo_win32_printing_surface_path_move_to (void *closure,
                                            const cairo_point_t *point)
{
    win32_path_info_t *path_info = closure;

    if (path_info->surface->has_ctm) {
        double x, y;

        x = _cairo_fixed_to_double (point->x);
        y = _cairo_fixed_to_double (point->y);
        cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y);
        MoveToEx (path_info->surface->dc, (int) x, (int) y, NULL);
    } else {
        MoveToEx (path_info->surface->dc,
                  _cairo_fixed_integer_part (point->x),
                  _cairo_fixed_integer_part (point->y),
                  NULL);
    }

    return CAIRO_STATUS_SUCCESS;
}

static cairo_status_t
_cairo_win32_printing_surface_path_line_to (void *closure,
                                            const cairo_point_t *point)
{
    win32_path_info_t *path_info = closure;

    path_info->surface->path_empty = FALSE;
    if (path_info->surface->has_ctm) {
        double x, y;

        x = _cairo_fixed_to_double (point->x);
        y = _cairo_fixed_to_double (point->y);
        cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y);
        LineTo (path_info->surface->dc, (int) x, (int) y);
    } else {
        LineTo (path_info->surface->dc,
                _cairo_fixed_integer_part (point->x),
                _cairo_fixed_integer_part (point->y));
    }

    return CAIRO_STATUS_SUCCESS;
}

static cairo_status_t
_cairo_win32_printing_surface_path_curve_to (void          *closure,
                                             const cairo_point_t *b,
                                             const cairo_point_t *c,
                                             const cairo_point_t *d)
{
    win32_path_info_t *path_info = closure;
    POINT points[3];

    path_info->surface->path_empty = FALSE;
    if (path_info->surface->has_ctm) {
        double x, y;

        x = _cairo_fixed_to_double (b->x);
        y = _cairo_fixed_to_double (b->y);
        cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y);
        points[0].x = (LONG) x;
        points[0].y = (LONG) y;

        x = _cairo_fixed_to_double (c->x);
        y = _cairo_fixed_to_double (c->y);
        cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y);
        points[1].x = (LONG) x;
        points[1].y = (LONG) y;

        x = _cairo_fixed_to_double (d->x);
        y = _cairo_fixed_to_double (d->y);
        cairo_matrix_transform_point (&path_info->surface->ctm, &x, &y);
        points[2].x = (LONG) x;
        points[2].y = (LONG) y;
    } else {
        points[0].x = _cairo_fixed_integer_part (b->x);
        points[0].y = _cairo_fixed_integer_part (b->y);
        points[1].x = _cairo_fixed_integer_part (c->x);
        points[1].y = _cairo_fixed_integer_part (c->y);
        points[2].x = _cairo_fixed_integer_part (d->x);
        points[2].y = _cairo_fixed_integer_part (d->y);
    }
    PolyBezierTo (path_info->surface->dc, points, 3);

    return CAIRO_STATUS_SUCCESS;
}

static cairo_status_t
_cairo_win32_printing_surface_path_close_path (void *closure)
{
    win32_path_info_t *path_info = closure;

    CloseFigure (path_info->surface->dc);

    return CAIRO_STATUS_SUCCESS;
}

static cairo_status_t
_cairo_win32_printing_surface_emit_path (cairo_win32_surface_t *surface,
                                         cairo_path_fixed_t    *path)
{
    win32_path_info_t path_info;

    path_info.surface = surface;
    return _cairo_path_fixed_interpret (path,
                                        CAIRO_DIRECTION_FORWARD,
                                        _cairo_win32_printing_surface_path_move_to,
                                        _cairo_win32_printing_surface_path_line_to,
                                        _cairo_win32_printing_surface_path_curve_to,
                                        _cairo_win32_printing_surface_path_close_path,
                                        &path_info);
}

static cairo_int_status_t
_cairo_win32_printing_surface_show_page (void *abstract_surface)
{
    cairo_win32_surface_t *surface = abstract_surface;

    /* Undo both SaveDC's that we did in start_page */
    RestoreDC (surface->dc, -2);

    return CAIRO_STATUS_SUCCESS;
}

static cairo_status_t
_cairo_win32_printing_surface_clipper_intersect_clip_path (cairo_surface_clipper_t *clipper,
                                                   cairo_path_fixed_t *path,
                                                   cairo_fill_rule_t   fill_rule,
                                                   double              tolerance,
                                                   cairo_antialias_t   antialias)
{
    cairo_win32_surface_t *surface = cairo_container_of (clipper,
                                                         cairo_win32_surface_t,
                                                         clipper);
    cairo_status_t status;

    if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
        return CAIRO_STATUS_SUCCESS;

    if (path == NULL) {
        RestoreDC (surface->dc, -1);
        SaveDC (surface->dc);

        return CAIRO_STATUS_SUCCESS;
    }

    BeginPath (surface->dc);
    status = _cairo_win32_printing_surface_emit_path (surface, path);
    EndPath (surface->dc);

    switch (fill_rule) {
    case CAIRO_FILL_RULE_WINDING:
        SetPolyFillMode (surface->dc, WINDING);
        break;
    case CAIRO_FILL_RULE_EVEN_ODD:
        SetPolyFillMode (surface->dc, ALTERNATE);
        break;
    default:
        ASSERT_NOT_REACHED;
    }

    SelectClipPath (surface->dc, RGN_AND);

    return status;
}

static void
_cairo_win32_printing_surface_get_font_options (void                  *abstract_surface,
                                                cairo_font_options_t  *options)
{
    _cairo_font_options_init_default (options);

    cairo_font_options_set_hint_style (options, CAIRO_HINT_STYLE_NONE);
    cairo_font_options_set_hint_metrics (options, CAIRO_HINT_METRICS_OFF);
    cairo_font_options_set_antialias (options, CAIRO_ANTIALIAS_GRAY);
}

static cairo_int_status_t
_cairo_win32_printing_surface_paint (void                       *abstract_surface,
                                     cairo_operator_t            op,
                                     const cairo_pattern_t      *source,
                                     cairo_clip_t      *clip)
{
    cairo_win32_surface_t *surface = abstract_surface;
    cairo_solid_pattern_t clear;
    cairo_status_t status;

    status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
    if (status)
        return status;

    if (op == CAIRO_OPERATOR_CLEAR) {
        _cairo_win32_printing_surface_init_clear_color (surface, &clear);
        source = (cairo_pattern_t*) &clear;
        op = CAIRO_OPERATOR_SOURCE;
    }

    if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
        return _cairo_win32_printing_surface_analyze_operation (surface, op, source);

    assert (_cairo_win32_printing_surface_operation_supported (surface, op, source));

    return _cairo_win32_printing_surface_paint_pattern (surface, source);
}

static int
_cairo_win32_line_cap (cairo_line_cap_t cap)
{
    switch (cap) {
    case CAIRO_LINE_CAP_BUTT:
        return PS_ENDCAP_FLAT;
    case CAIRO_LINE_CAP_ROUND:
        return PS_ENDCAP_ROUND;
    case CAIRO_LINE_CAP_SQUARE:
        return PS_ENDCAP_SQUARE;
    default:
        ASSERT_NOT_REACHED;
        return 0;
    }
}

static int
_cairo_win32_line_join (cairo_line_join_t join)
{
    switch (join) {
    case CAIRO_LINE_JOIN_MITER:
        return PS_JOIN_MITER;
    case CAIRO_LINE_JOIN_ROUND:
        return PS_JOIN_ROUND;
    case CAIRO_LINE_JOIN_BEVEL:
        return PS_JOIN_BEVEL;
    default:
        ASSERT_NOT_REACHED;
        return 0;
    }
}

static void
_cairo_matrix_factor_out_scale (cairo_matrix_t *m, double *scale)
{
    double s;

    s = fabs (m->xx);
    if (fabs (m->xy) > s)
        s = fabs (m->xy);
    if (fabs (m->yx) > s)
        s = fabs (m->yx);
    if (fabs (m->yy) > s)
        s = fabs (m->yy);
    *scale = s;
    s = 1.0/s;
    cairo_matrix_scale (m, s, s);
}

static cairo_int_status_t
_cairo_win32_printing_surface_stroke (void                      *abstract_surface,
                                      cairo_operator_t           op,
                                      const cairo_pattern_t     *source,
                                      cairo_path_fixed_t        *path,
                                      cairo_stroke_style_t      *style,
                                      cairo_matrix_t            *stroke_ctm,
                                      cairo_matrix_t            *stroke_ctm_inverse,
                                      double                    tolerance,
                                      cairo_antialias_t         antialias,
                                      cairo_clip_t    *clip)
{
    cairo_win32_surface_t *surface = abstract_surface;
    cairo_int_status_t status;
    HPEN pen;
    LOGBRUSH brush;
    COLORREF color;
    XFORM xform;
    DWORD pen_style;
    DWORD *dash_array;
    HGDIOBJ obj;
    unsigned int i;
    cairo_solid_pattern_t clear;
    cairo_matrix_t mat;
    double scale;

    status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
    if (status)
        return status;

    if (op == CAIRO_OPERATOR_CLEAR) {
        _cairo_win32_printing_surface_init_clear_color (surface, &clear);
        source = (cairo_pattern_t*) &clear;
        op = CAIRO_OPERATOR_SOURCE;
    }

    if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) {
        /* Win32 does not support a dash offset. */
        if (style->num_dashes > 0 && style->dash_offset != 0.0)
            return CAIRO_INT_STATUS_UNSUPPORTED;

        return _cairo_win32_printing_surface_analyze_operation (surface, op, source);
    }

    assert (_cairo_win32_printing_surface_operation_supported (surface, op, source));
    assert (!(style->num_dashes > 0 && style->dash_offset != 0.0));

    cairo_matrix_multiply (&mat, stroke_ctm, &surface->ctm);
    _cairo_matrix_factor_out_scale (&mat, &scale);

    pen_style = PS_GEOMETRIC;
    dash_array = NULL;
    if (style->num_dashes) {
        pen_style |= PS_USERSTYLE;
        dash_array = calloc (sizeof (DWORD), style->num_dashes);
        for (i = 0; i < style->num_dashes; i++) {
            dash_array[i] = (DWORD) (scale * style->dash[i]);
        }
    } else {
        pen_style |= PS_SOLID;
    }

    SetMiterLimit (surface->dc, (FLOAT) (style->miter_limit), NULL);
    if (source->type == CAIRO_PATTERN_TYPE_SOLID) {
        cairo_solid_pattern_t *solid = (cairo_solid_pattern_t *) source;


        color = _cairo_win32_printing_surface_flatten_transparency (surface,
                                                                    &solid->color);
    } else {
        /* Color not used as the pen will only be used by WidenPath() */
        color = RGB (0,0,0);
    }
    brush.lbStyle = BS_SOLID;
    brush.lbColor = color;
    brush.lbHatch = 0;
    pen_style |= _cairo_win32_line_cap (style->line_cap);
    pen_style |= _cairo_win32_line_join (style->line_join);
    pen = ExtCreatePen(pen_style,
                       scale * style->line_width,
                       &brush,
                       style->num_dashes,
                       dash_array);
    if (pen == NULL)
        return _cairo_win32_print_gdi_error ("_win32_surface_stroke:ExtCreatePen");
    obj = SelectObject (surface->dc, pen);
    if (obj == NULL)
        return _cairo_win32_print_gdi_error ("_win32_surface_stroke:SelectObject");

    BeginPath (surface->dc);
    status = _cairo_win32_printing_surface_emit_path (surface, path);
    EndPath (surface->dc);
    if (status)
        return status;

    /*
     * Switch to user space to set line parameters
     */

    SaveDC (surface->dc);

    _cairo_matrix_to_win32_xform (&mat, &xform);
    xform.eDx = 0.0f;
    xform.eDy = 0.0f;

    if (!SetWorldTransform (surface->dc, &xform))
        return _cairo_win32_print_gdi_error ("_win32_surface_stroke:SetWorldTransform");

    if (source->type == CAIRO_PATTERN_TYPE_SOLID) {
        StrokePath (surface->dc);
    } else {
        if (!WidenPath (surface->dc))
            return _cairo_win32_print_gdi_error ("_win32_surface_stroke:WidenPath");
        if (!SelectClipPath (surface->dc, RGN_AND))
            return _cairo_win32_print_gdi_error ("_win32_surface_stroke:SelectClipPath");

        /* Return to device space to paint the pattern */
        if (!ModifyWorldTransform (surface->dc, &xform, MWT_IDENTITY))
            return _cairo_win32_print_gdi_error ("_win32_surface_stroke:ModifyWorldTransform");
        status = _cairo_win32_printing_surface_paint_pattern (surface, source);
    }
    RestoreDC (surface->dc, -1);
    DeleteObject (pen);
    if (dash_array)
        free (dash_array);

    return status;
}

static cairo_int_status_t
_cairo_win32_printing_surface_fill (void                        *abstract_surface,
                                    cairo_operator_t             op,
                                    const cairo_pattern_t       *source,
                                    cairo_path_fixed_t          *path,
                                    cairo_fill_rule_t            fill_rule,
                                    double                       tolerance,
                                    cairo_antialias_t            antialias,
                                    cairo_clip_t                *clip)
{
    cairo_win32_surface_t *surface = abstract_surface;
    cairo_int_status_t status;
    cairo_solid_pattern_t clear;

    status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
    if (status)
        return status;

    if (op == CAIRO_OPERATOR_CLEAR) {
        _cairo_win32_printing_surface_init_clear_color (surface, &clear);
        source = (cairo_pattern_t*) &clear;
        op = CAIRO_OPERATOR_SOURCE;
    }

    if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
        return _cairo_win32_printing_surface_analyze_operation (surface, op, source);

    assert (_cairo_win32_printing_surface_operation_supported (surface, op, source));

    surface->path_empty = TRUE;
    BeginPath (surface->dc);
    status = _cairo_win32_printing_surface_emit_path (surface, path);
    EndPath (surface->dc);

    switch (fill_rule) {
    case CAIRO_FILL_RULE_WINDING:
        SetPolyFillMode (surface->dc, WINDING);
        break;
    case CAIRO_FILL_RULE_EVEN_ODD:
        SetPolyFillMode (surface->dc, ALTERNATE);
        break;
    default:
        ASSERT_NOT_REACHED;
    }

    if (source->type == CAIRO_PATTERN_TYPE_SOLID) {
        status = _cairo_win32_printing_surface_select_solid_brush (surface, source);
        if (status)
            return status;

        FillPath (surface->dc);
        _cairo_win32_printing_surface_done_solid_brush (surface);
    } else if (surface->path_empty == FALSE) {
        SaveDC (surface->dc);
        SelectClipPath (surface->dc, RGN_AND);
        status = _cairo_win32_printing_surface_paint_pattern (surface, source);
        RestoreDC (surface->dc, -1);
    }

    fflush(stderr);

    return status;
}

static cairo_int_status_t
_cairo_win32_printing_surface_show_glyphs (void                 *abstract_surface,
                                           cairo_operator_t      op,
                                           const cairo_pattern_t *source,
                                           cairo_glyph_t        *glyphs,
                                           int                   num_glyphs,
                                           cairo_scaled_font_t  *scaled_font,
                                           cairo_clip_t         *clip,
                                           int                  *remaining_glyphs)
{
    cairo_win32_surface_t *surface = abstract_surface;
    cairo_status_t status = CAIRO_STATUS_SUCCESS;
    cairo_scaled_glyph_t *scaled_glyph;
    cairo_pattern_t *opaque = NULL;
    int i;
    cairo_matrix_t old_ctm;
    cairo_bool_t old_has_ctm;
    cairo_solid_pattern_t clear;

    status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
    if (status)
        return status;

    if (op == CAIRO_OPERATOR_CLEAR) {
        _cairo_win32_printing_surface_init_clear_color (surface, &clear);
        source = (cairo_pattern_t*) &clear;
        op = CAIRO_OPERATOR_SOURCE;
    }

    if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) {
        /* When printing bitmap fonts to a printer DC, Windows may
         * substitute an outline font for bitmap font. As the win32
         * font backend always uses a screen DC when obtaining the
         * font metrics the metrics of the substituted font will not
         * match the metrics that the win32 font backend returns.
         *
         * If we are printing a bitmap font, use fallback images to
         * ensure the font is not substituted.
         */

#if CAIRO_HAS_WIN32_FONT
        if (cairo_scaled_font_get_type (scaled_font) == CAIRO_FONT_TYPE_WIN32) {
            if (_cairo_win32_scaled_font_is_bitmap (scaled_font))
                return CAIRO_INT_STATUS_UNSUPPORTED;
            else
                return _cairo_win32_printing_surface_analyze_operation (surface, op, source);
        }

        /* For non win32 fonts we need to check that each glyph has a
         * path available. If a path is not available,
         * _cairo_scaled_glyph_lookup() will return
         * CAIRO_INT_STATUS_UNSUPPORTED and a fallback image will be
         * used.
         */

        for (i = 0; i < num_glyphs; i++) {
            status = _cairo_scaled_glyph_lookup (scaled_font,
                                                 glyphs[i].index,
                                                 CAIRO_SCALED_GLYPH_INFO_PATH,
                                                 &scaled_glyph);
            if (status)
                return status;
        }
#endif

        return _cairo_win32_printing_surface_analyze_operation (surface, op, source);
    }

    if (source->type == CAIRO_PATTERN_TYPE_SOLID) {
        cairo_solid_pattern_t *solid = (cairo_solid_pattern_t *) source;
        COLORREF color;

        color = _cairo_win32_printing_surface_flatten_transparency (surface,
                                                                    &solid->color);
        opaque = cairo_pattern_create_rgb (GetRValue (color) / 255.0,
                                           GetGValue (color) / 255.0,
                                           GetBValue (color) / 255.0);
        if (opaque->status)
            return opaque->status;
        source = opaque;
    }

#if CAIRO_HAS_WIN32_FONT
    if (cairo_scaled_font_get_type (scaled_font) == CAIRO_FONT_TYPE_WIN32 &&
        source->type == CAIRO_PATTERN_TYPE_SOLID)
    {
        cairo_matrix_t ctm;
        cairo_glyph_t  *type1_glyphs = NULL;
        cairo_scaled_font_subsets_glyph_t subset_glyph;

        /* Calling ExtTextOutW() with ETO_GLYPH_INDEX and a Type 1
         * font on a printer DC prints garbled text. The text displays
         * correctly on a display DC. When using a printer
         * DC, ExtTextOutW() only works with characters and not glyph
         * indices.
         *
         * For Type 1 fonts the glyph indices are converted back to
         * unicode characters before calling _cairo_win32_surface_show_glyphs().
         *
         * As _cairo_win32_scaled_font_index_to_ucs4() is a slow
         * operation, the font subsetting function
         * _cairo_scaled_font_subsets_map_glyph() is used to obtain
         * the unicode value because it caches the reverse mapping in
         * the subsets.
         */

        if (_cairo_win32_scaled_font_is_type1 (scaled_font)) {
            type1_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
            if (type1_glyphs == NULL)
                return _cairo_error (CAIRO_STATUS_NO_MEMORY);

            memcpy (type1_glyphs, glyphs, num_glyphs * sizeof (cairo_glyph_t));
            for (i = 0; i < num_glyphs; i++) {
                status = _cairo_scaled_font_subsets_map_glyph (surface->font_subsets,
                                                               scaled_font,
                                                               type1_glyphs[i].index,
                                                               NULL, 0,
                                                               &subset_glyph);
                if (status)
                    return status;

                type1_glyphs[i].index = subset_glyph.unicode;
            }
            glyphs = type1_glyphs;
        }

        if (surface->has_ctm) {
            for (i = 0; i < num_glyphs; i++)
                cairo_matrix_transform_point (&surface->ctm, &glyphs[i].x, &glyphs[i].y);
            cairo_matrix_multiply (&ctm, &scaled_font->ctm, &surface->ctm);
            scaled_font = cairo_scaled_font_create (scaled_font->font_face,
                                                    &scaled_font->font_matrix,
                                                    &ctm,
                                                    &scaled_font->options);
        }
        status = _cairo_win32_surface_show_glyphs (surface, op,
                                                   source, glyphs,
                                                   num_glyphs, scaled_font,
                                                   clip,
                                                   remaining_glyphs);
        if (surface->has_ctm)
            cairo_scaled_font_destroy (scaled_font);

        if (type1_glyphs != NULL)
            free (type1_glyphs);

        return status;
    }
#endif

    SaveDC (surface->dc);
    old_ctm = surface->ctm;
    old_has_ctm = surface->has_ctm;
    surface->has_ctm = TRUE;
    surface->path_empty = TRUE;
    BeginPath (surface->dc);
    for (i = 0; i < num_glyphs; i++) {
        status = _cairo_scaled_glyph_lookup (scaled_font,
                                             glyphs[i].index,
                                             CAIRO_SCALED_GLYPH_INFO_PATH,
                                             &scaled_glyph);
        if (status)
            break;
        surface->ctm = old_ctm;
        cairo_matrix_translate (&surface->ctm, glyphs[i].x, glyphs[i].y);
        status = _cairo_win32_printing_surface_emit_path (surface, scaled_glyph->path);
    }
    EndPath (surface->dc);
    surface->ctm = old_ctm;
    surface->has_ctm = old_has_ctm;
    if (status == CAIRO_STATUS_SUCCESS && surface->path_empty == FALSE) {
        if (source->type == CAIRO_PATTERN_TYPE_SOLID) {
            status = _cairo_win32_printing_surface_select_solid_brush (surface, source);
            if (status)
                return status;

            SetPolyFillMode (surface->dc, WINDING);
            FillPath (surface->dc);
            _cairo_win32_printing_surface_done_solid_brush (surface);
        } else {
            SelectClipPath (surface->dc, RGN_AND);
            status = _cairo_win32_printing_surface_paint_pattern (surface, source);
        }
    }
    RestoreDC (surface->dc, -1);

    if (opaque)
        cairo_pattern_destroy (opaque);

    return status;
}

static cairo_surface_t *
_cairo_win32_printing_surface_create_similar (void              *abstract_surface,
                                              cairo_content_t    content,
                                              int                width,
                                              int                height)
{
    cairo_rectangle_t extents;

    extents.x = extents.y = 0;
    extents.width  = width;
    extents.height = height;
    return cairo_meta_surface_create (content, &extents);
}

static cairo_int_status_t
_cairo_win32_printing_surface_start_page (void *abstract_surface)
{
    cairo_win32_surface_t *surface = abstract_surface;
    XFORM xform;
    double x_res, y_res;
    cairo_matrix_t inverse_ctm;
    cairo_status_t status;

    SaveDC (surface->dc); /* Save application context first, before doing MWT */

    SetGraphicsMode (surface->dc, GM_ADVANCED);
    GetWorldTransform(surface->dc, &xform);
    surface->ctm.xx = xform.eM11;
    surface->ctm.xy = xform.eM21;
    surface->ctm.yx = xform.eM12;
    surface->ctm.yy = xform.eM22;
    surface->ctm.x0 = xform.eDx;
    surface->ctm.y0 = xform.eDy;
    surface->has_ctm = !_cairo_matrix_is_identity (&surface->ctm);

    inverse_ctm = surface->ctm;
    status = cairo_matrix_invert (&inverse_ctm);
    if (status)
        return status;

    x_res = GetDeviceCaps (surface->dc, LOGPIXELSX);
    y_res = GetDeviceCaps (surface->dc, LOGPIXELSY);
    cairo_matrix_transform_distance (&inverse_ctm, &x_res, &y_res);
    _cairo_surface_set_resolution (&surface->base, x_res, y_res);

    if (!ModifyWorldTransform (surface->dc, NULL, MWT_IDENTITY))
        return _cairo_win32_print_gdi_error ("_cairo_win32_printing_surface_start_page:ModifyWorldTransform");

    SaveDC (surface->dc); /* Then save Cairo's known-good clip state, so the clip path can be reset */

    return CAIRO_STATUS_SUCCESS;
}

static void
_cairo_win32_printing_surface_set_paginated_mode (void *abstract_surface,
                                                  cairo_paginated_mode_t paginated_mode)
{
    cairo_win32_surface_t *surface = abstract_surface;

    surface->paginated_mode = paginated_mode;
}

static cairo_bool_t
_cairo_win32_printing_surface_supports_fine_grained_fallbacks (void *abstract_surface)
{
    return TRUE;
}

/**
 * cairo_win32_printing_surface_create:
 * @hdc: the DC to create a surface for
 *
 * Creates a cairo surface that targets the given DC.  The DC will be
 * queried for its initial clip extents, and this will be used as the
 * size of the cairo surface.  The DC should be a printing DC;
 * antialiasing will be ignored, and GDI will be used as much as
 * possible to draw to the surface.
 *
 * The returned surface will be wrapped using the paginated surface to
 * provide correct complex rendering behaviour; show_page() and
 * associated methods must be used for correct output.
 *
 * Return value: the newly created surface
 *
 * Since: 1.6
 **/

cairo_surface_t *
cairo_win32_printing_surface_create (HDC hdc)
{
    cairo_win32_surface_t *surface;
    cairo_surface_t *paginated;
    RECT rect;

    surface = malloc (sizeof (cairo_win32_surface_t));
    if (surface == NULL)
        return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));

    if (_cairo_win32_save_initial_clip (hdc, surface) != CAIRO_STATUS_SUCCESS) {
        free (surface);
        return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
    }

    _cairo_surface_clipper_init (&surface->clipper,
                                 _cairo_win32_printing_surface_clipper_intersect_clip_path);

    surface->image = NULL;
    surface->format = CAIRO_FORMAT_RGB24;
    surface->content = CAIRO_CONTENT_COLOR_ALPHA;

    surface->dc = hdc;
    surface->bitmap = NULL;
    surface->is_dib = FALSE;
    surface->saved_dc_bitmap = NULL;
    surface->brush = NULL;
    surface->old_brush = NULL;
    surface->font_subsets = _cairo_scaled_font_subsets_create_scaled ();
    if (surface->font_subsets == NULL) {
        free (surface);
        return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
    }

    GetClipBox(hdc, &rect);
    surface->extents.x = rect.left;
    surface->extents.y = rect.top;
    surface->extents.width = rect.right - rect.left;
    surface->extents.height = rect.bottom - rect.top;

    surface->flags = _cairo_win32_flags_for_dc (surface->dc);
    surface->flags |= CAIRO_WIN32_SURFACE_FOR_PRINTING;

    _cairo_win32_printing_surface_init_ps_mode (surface);
    _cairo_win32_printing_surface_init_image_support (surface);
    _cairo_surface_init (&surface->base,
                         &cairo_win32_printing_surface_backend,
                         CAIRO_CONTENT_COLOR_ALPHA);

    paginated = _cairo_paginated_surface_create (&surface->base,
                                                 CAIRO_CONTENT_COLOR_ALPHA,
                                                 &cairo_win32_surface_paginated_backend);

    /* paginated keeps the only reference to surface now, drop ours */
    cairo_surface_destroy (&surface->base);

    return paginated;
}

cairo_bool_t
_cairo_surface_is_win32_printing (cairo_surface_t *surface)
{
    return surface->backend == &cairo_win32_printing_surface_backend;
}

static const cairo_surface_backend_t cairo_win32_printing_surface_backend = {
    CAIRO_SURFACE_TYPE_WIN32_PRINTING,
    _cairo_win32_printing_surface_create_similar,
    _cairo_win32_surface_finish,
    NULL, /* acquire_source_image */
    NULL, /* release_source_image */
    NULL, /* acquire_dest_image */
    NULL, /* release_dest_image */
    NULL, /* clone_similar */
    NULL, /* composite */
    NULL, /* fill_rectangles */
    NULL, /* composite_trapezoids */
    NULL, /* create_span_renderer */
    NULL, /* check_span_renderer */
    NULL, /* copy_page */
    _cairo_win32_printing_surface_show_page,
    _cairo_win32_surface_get_extents,
    NULL, /* old_show_glyphs */
    _cairo_win32_printing_surface_get_font_options,
    NULL, /* flush */
    NULL, /* mark_dirty_rectangle */
    NULL, /* scaled_font_fini */
    NULL, /* scaled_glyph_fini */

    _cairo_win32_printing_surface_paint,
    NULL, /* mask */
    _cairo_win32_printing_surface_stroke,
    _cairo_win32_printing_surface_fill,
    _cairo_win32_printing_surface_show_glyphs,
    NULL, /* snapshot */
    NULL, /* is_similar */
    NULL, /* fill_stroke */
};

static const cairo_paginated_surface_backend_t cairo_win32_surface_paginated_backend = {
    _cairo_win32_printing_surface_start_page,
    _cairo_win32_printing_surface_set_paginated_mode,
    NULL, /* set_bounding_box */
    NULL, /* _cairo_win32_printing_surface_has_fallback_images, */
    _cairo_win32_printing_surface_supports_fine_grained_fallbacks,
};