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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /gfx/harfbuzz/src/hb-gdi.cc
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/harfbuzz/src/hb-gdi.cc')
-rw-r--r--gfx/harfbuzz/src/hb-gdi.cc85
1 files changed, 85 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/hb-gdi.cc b/gfx/harfbuzz/src/hb-gdi.cc
new file mode 100644
index 0000000000..8e7589beac
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+++ b/gfx/harfbuzz/src/hb-gdi.cc
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+/*
+ * Copyright © 2019 Ebrahim Byagowi
+ *
+ * This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ */
+
+#include "hb.hh"
+
+#ifdef HAVE_GDI
+
+#include "hb-gdi.h"
+
+
+/**
+ * SECTION:hb-gdi
+ * @title: hb-gdi
+ * @short_description: GDI integration
+ * @include: hb-gdi.h
+ *
+ * Functions for using HarfBuzz with GDI fonts.
+ **/
+
+static hb_blob_t *
+_hb_gdi_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
+{
+ char *buffer = nullptr;
+ DWORD length = 0;
+
+ HDC hdc = GetDC (nullptr);
+ if (unlikely (!SelectObject (hdc, (HFONT) user_data))) goto fail;
+
+ length = GetFontData (hdc, hb_uint32_swap (tag), 0, buffer, length);
+ if (unlikely (length == GDI_ERROR)) goto fail_with_releasedc;
+
+ buffer = (char *) hb_malloc (length);
+ if (unlikely (!buffer)) goto fail_with_releasedc;
+ length = GetFontData (hdc, hb_uint32_swap (tag), 0, buffer, length);
+ if (unlikely (length == GDI_ERROR)) goto fail_with_releasedc_and_free;
+ ReleaseDC (nullptr, hdc);
+
+ return hb_blob_create ((const char *) buffer, length, HB_MEMORY_MODE_WRITABLE, buffer, hb_free);
+
+fail_with_releasedc_and_free:
+ hb_free (buffer);
+fail_with_releasedc:
+ ReleaseDC (nullptr, hdc);
+fail:
+ return hb_blob_get_empty ();
+}
+
+/**
+ * hb_gdi_face_create:
+ * @hfont: a HFONT object.
+ *
+ * Constructs a new face object from the specified GDI HFONT.
+ *
+ * Return value: #hb_face_t object corresponding to the given input
+ *
+ * Since: 2.6.0
+ **/
+hb_face_t *
+hb_gdi_face_create (HFONT hfont)
+{
+ return hb_face_create_for_tables (_hb_gdi_reference_table, (void *) hfont, nullptr);
+}
+
+#endif