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Diffstat (limited to 'Build/source/libs/cairo/cairo-1.12.8/src/win32/cairo-win32-font.c')
-rw-r--r--Build/source/libs/cairo/cairo-1.12.8/src/win32/cairo-win32-font.c2313
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diff --git a/Build/source/libs/cairo/cairo-1.12.8/src/win32/cairo-win32-font.c b/Build/source/libs/cairo/cairo-1.12.8/src/win32/cairo-win32-font.c
deleted file mode 100644
index a65d81b1a6a..00000000000
--- a/Build/source/libs/cairo/cairo-1.12.8/src/win32/cairo-win32-font.c
+++ /dev/null
@@ -1,2313 +0,0 @@
-/* -*- 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);
-
-static void
-_cairo_win32_font_face_destroy (void *abstract_face);
-
-
-#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 = 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 = 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;
- 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;
- GetTextMetrics (hdc, &metrics);
- cairo_win32_scaled_font_done_font (&scaled_font->base);
-
- 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 = 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_bool_t
-_cairo_win32_scaled_font_is_synthetic (void *abstract_font)
-{
- cairo_win32_scaled_font_t *scaled_font = abstract_font;
- cairo_status_t status;
- int weight;
- cairo_bool_t bold;
- cairo_bool_t italic;
-
- 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 FALSE;
-
- if (scaled_font->logfont.lfWeight != weight ||
- scaled_font->logfont.lfItalic != italic)
- return TRUE;
-
- return FALSE;
-}
-
-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 = malloc (bytesGlyph);
- if (!buffer) {
- 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;
-};
-
-/* 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
-};
-
-/* 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 void
-_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_HAS_REFERENCE (&font_face->base.ref_count)) {
- /* somebody recreated the font whilst we waited for the lock */
- _cairo_win32_font_face_hash_table_unlock ();
- return;
- }
-
- /* 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 ();
-}
-
-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;
-}
-
-/**
- * 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 = 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 ();
-}