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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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ba6800ce23
Adding DirectWrite text rendering elements * dwriteclockoverlay: Equivalent to clockoverlay * dwritetimeoverlay: Equivalent to timeoverlay * dwritetextoverlay: Similar to textoverlay but subtitle is not supported Newly added elements support system memory and d3d11 memory Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4826>
238 lines
7.8 KiB
C++
238 lines
7.8 KiB
C++
/* GStreamer
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* Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstdwrite-enums.h"
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#include "gstdwrite-utils.h"
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/* XXX: MinGW's header does not define some enum values */
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enum
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{
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GST_DWRITE_TEXT_ALIGNMENT_LEADING,
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GST_DWRITE_TEXT_ALIGNMENT_TRAILING,
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GST_DWRITE_TEXT_ALIGNMENT_CENTER,
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GST_DWRITE_TEXT_ALIGNMENT_JUSTIFIED,
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};
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enum
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{
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GST_DWRITE_PARAGRAPH_ALIGNMENT_NEAR,
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GST_DWRITE_PARAGRAPH_ALIGNMENT_FAR,
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GST_DWRITE_PARAGRAPH_ALIGNMENT_CENTER,
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};
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enum
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{
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GST_DWRITE_FONT_WEIGHT_THIN = 100,
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GST_DWRITE_FONT_WEIGHT_EXTRA_LIGHT = 200,
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GST_DWRITE_FONT_WEIGHT_ULTRA_LIGHT = 200,
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GST_DWRITE_FONT_WEIGHT_LIGHT = 300,
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GST_DWRITE_FONT_WEIGHT_SEMI_LIGHT = 350,
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GST_DWRITE_FONT_WEIGHT_NORMAL = 400,
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GST_DWRITE_FONT_WEIGHT_REGULAR = 400,
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GST_DWRITE_FONT_WEIGHT_MEDIUM = 500,
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GST_DWRITE_FONT_WEIGHT_DEMI_BOLD = 600,
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GST_DWRITE_FONT_WEIGHT_SEMI_BOLD = 600,
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GST_DWRITE_FONT_WEIGHT_BOLD = 700,
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GST_DWRITE_FONT_WEIGHT_EXTRA_BOLD = 800,
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GST_DWRITE_FONT_WEIGHT_ULTRA_BOLD = 800,
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GST_DWRITE_FONT_WEIGHT_BLACK = 900,
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GST_DWRITE_FONT_WEIGHT_HEAVY = 900,
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GST_DWRITE_FONT_WEIGHT_EXTRA_BLACK = 950,
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GST_DWRITE_FONT_WEIGHT_ULTRA_BLACK = 950
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};
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enum
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{
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GST_DWRITE_FONT_STYLE_NORMAL,
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GST_DWRITE_FONT_STYLE_OBLIQUE,
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GST_DWRITE_FONT_STYLE_ITALIC,
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};
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enum
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{
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GST_DWRITE_FONT_STRETCH_UNDEFINED = 0,
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GST_DWRITE_FONT_STRETCH_ULTRA_CONDENSED = 1,
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GST_DWRITE_FONT_STRETCH_EXTRA_CONDENSED = 2,
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GST_DWRITE_FONT_STRETCH_CONDENSED = 3,
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GST_DWRITE_FONT_STRETCH_SEMI_CONDENSED = 4,
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GST_DWRITE_FONT_STRETCH_NORMAL = 5,
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GST_DWRITE_FONT_STRETCH_MEDIUM = 5,
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GST_DWRITE_FONT_STRETCH_SEMI_EXPANDED = 6,
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GST_DWRITE_FONT_STRETCH_EXPANDED = 7,
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GST_DWRITE_FONT_STRETCH_EXTRA_EXPANDED = 8,
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GST_DWRITE_FONT_STRETCH_ULTRA_EXPANDED = 9
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};
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GType
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gst_dwrite_text_alignment_get_type (void)
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{
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static GType text_align_type = 0;
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static const GEnumValue text_align_types[] = {
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{GST_DWRITE_TEXT_ALIGNMENT_LEADING, "DWRITE_TEXT_ALIGNMENT_LEADING",
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"leading"},
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{GST_DWRITE_TEXT_ALIGNMENT_TRAILING,
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"DWRITE_TEXT_ALIGNMENT_TRAILING", "trailing"},
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{GST_DWRITE_TEXT_ALIGNMENT_CENTER,
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"DWRITE_TEXT_ALIGNMENT_CENTER", "center"},
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{GST_DWRITE_TEXT_ALIGNMENT_JUSTIFIED,
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"DWRITE_TEXT_ALIGNMENT_JUSTIFIED", "justified"},
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{0, nullptr, nullptr},
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};
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GST_DWRITE_CALL_ONCE_BEGIN {
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text_align_type = g_enum_register_static ("GstDWriteTextAlignment",
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text_align_types);
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} GST_DWRITE_CALL_ONCE_END;
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return text_align_type;
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}
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GType
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gst_dwrite_paragraph_alignment_get_type (void)
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{
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static GType paragraph_align_type = 0;
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static const GEnumValue paragraph_align_types[] = {
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{GST_DWRITE_PARAGRAPH_ALIGNMENT_NEAR, "DWRITE_PARAGRAPH_ALIGNMENT_NEAR",
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"near"},
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{GST_DWRITE_PARAGRAPH_ALIGNMENT_FAR,
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"DWRITE_PARAGRAPH_ALIGNMENT_FAR", "far"},
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{GST_DWRITE_PARAGRAPH_ALIGNMENT_CENTER,
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"DWRITE_PARAGRAPH_ALIGNMENT_CENTER", "center"},
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{0, nullptr, nullptr},
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};
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GST_DWRITE_CALL_ONCE_BEGIN {
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paragraph_align_type =
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g_enum_register_static ("GstDWriteParagraphAlignment",
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paragraph_align_types);
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} GST_DWRITE_CALL_ONCE_END;
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return paragraph_align_type;
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}
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GType
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gst_dwrite_font_weight_get_type (void)
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{
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static GType font_weight_type = 0;
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static const GEnumValue font_weight_types[] = {
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{GST_DWRITE_FONT_WEIGHT_THIN, "DWRITE_FONT_WEIGHT_THIN", "thin"},
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{GST_DWRITE_FONT_WEIGHT_EXTRA_LIGHT, "DWRITE_FONT_WEIGHT_EXTRA_LIGHT",
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"extra-light"},
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{GST_DWRITE_FONT_WEIGHT_ULTRA_LIGHT,
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"DWRITE_FONT_WEIGHT_ULTRA_LIGHT", "ultra-light"},
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{GST_DWRITE_FONT_WEIGHT_LIGHT, "DWRITE_FONT_WEIGHT_LIGHT", "light"},
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{GST_DWRITE_FONT_WEIGHT_SEMI_LIGHT, "DWRITE_FONT_WEIGHT_SEMI_LIGHT",
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"semi-light"},
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{GST_DWRITE_FONT_WEIGHT_NORMAL, "DWRITE_FONT_WEIGHT_NORMAL", "normal"},
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{GST_DWRITE_FONT_WEIGHT_REGULAR, "DWRITE_FONT_WEIGHT_REGULAR",
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"regular"},
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{GST_DWRITE_FONT_WEIGHT_MEDIUM, "DWRITE_FONT_WEIGHT_MEDIUM", "medium"},
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{GST_DWRITE_FONT_WEIGHT_DEMI_BOLD, "DWRITE_FONT_WEIGHT_DEMI_BOLD",
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"demi-bold"},
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{GST_DWRITE_FONT_WEIGHT_SEMI_BOLD, "DWRITE_FONT_WEIGHT_SEMI_BOLD",
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"semi-bold"},
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{GST_DWRITE_FONT_WEIGHT_BOLD, "DWRITE_FONT_WEIGHT_BOLD", "bold"},
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{GST_DWRITE_FONT_WEIGHT_EXTRA_BOLD, "DWRITE_FONT_WEIGHT_EXTRA_BOLD",
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"extra-bold"},
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{GST_DWRITE_FONT_WEIGHT_ULTRA_BOLD, "DWRITE_FONT_WEIGHT_ULTRA_BOLD",
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"ultra-bold"},
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{GST_DWRITE_FONT_WEIGHT_BLACK, "DWRITE_FONT_WEIGHT_BLACK", "black"},
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{GST_DWRITE_FONT_WEIGHT_HEAVY, "DWRITE_FONT_WEIGHT_HEAVY", "heavy"},
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{GST_DWRITE_FONT_WEIGHT_EXTRA_BLACK, "DWRITE_FONT_WEIGHT_EXTRA_BLACK",
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"extra-black"},
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{GST_DWRITE_FONT_WEIGHT_ULTRA_BLACK, "DWRITE_FONT_WEIGHT_ULTRA_BLACK",
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"ultra-black"},
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{0, nullptr, nullptr},
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};
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GST_DWRITE_CALL_ONCE_BEGIN {
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font_weight_type = g_enum_register_static ("GstDWriteFontWeight",
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font_weight_types);
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} GST_DWRITE_CALL_ONCE_END;
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return font_weight_type;
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}
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GType
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gst_dwrite_font_style_get_type (void)
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{
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static GType font_style_type = 0;
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static const GEnumValue font_style_types[] = {
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{GST_DWRITE_FONT_STYLE_NORMAL, "DWRITE_FONT_STYLE_NORMAL", "normal"},
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{GST_DWRITE_FONT_STYLE_OBLIQUE, "DWRITE_FONT_STYLE_OBLIQUE", "oblique"},
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{GST_DWRITE_FONT_STYLE_ITALIC, "DWRITE_FONT_STYLE_ITALIC", "italic"},
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{0, nullptr, nullptr},
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};
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GST_DWRITE_CALL_ONCE_BEGIN {
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font_style_type = g_enum_register_static ("GstDWriteFontStyle",
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font_style_types);
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} GST_DWRITE_CALL_ONCE_END;
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return font_style_type;
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}
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GType
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gst_dwrite_font_stretch_get_type (void)
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{
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static GType font_stretch_type = 0;
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static const GEnumValue font_stretch_types[] = {
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{GST_DWRITE_FONT_STRETCH_UNDEFINED, "DWRITE_FONT_STRETCH_UNDEFINED",
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"undefined"},
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{GST_DWRITE_FONT_STRETCH_ULTRA_CONDENSED,
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"DWRITE_FONT_STRETCH_ULTRA_CONDENSED",
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"ultra-condensed"},
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{GST_DWRITE_FONT_STRETCH_EXTRA_CONDENSED,
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"DWRITE_FONT_STRETCH_EXTRA_CONDENSED",
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"extra-condensed"},
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{GST_DWRITE_FONT_STRETCH_CONDENSED, "DWRITE_FONT_STRETCH_CONDENSED",
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"condensed"},
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{GST_DWRITE_FONT_STRETCH_SEMI_CONDENSED,
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"DWRITE_FONT_STRETCH_SEMI_CONDENSED",
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"semi-condensed"},
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{GST_DWRITE_FONT_STRETCH_NORMAL, "DWRITE_FONT_STRETCH_NORMAL",
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"normal"},
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{GST_DWRITE_FONT_STRETCH_MEDIUM, "DWRITE_FONT_STRETCH_MEDIUM",
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"medium"},
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{GST_DWRITE_FONT_STRETCH_SEMI_EXPANDED,
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"DWRITE_FONT_STRETCH_SEMI_EXPANDED",
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"semi-expanded"},
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{GST_DWRITE_FONT_STRETCH_EXPANDED, "DWRITE_FONT_STRETCH_EXPANDED",
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"expanded"},
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{GST_DWRITE_FONT_STRETCH_EXTRA_EXPANDED,
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"DWRITE_FONT_STRETCH_EXTRA_EXPANDED",
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"extra-expanded"},
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{GST_DWRITE_FONT_STRETCH_ULTRA_EXPANDED,
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"DWRITE_FONT_STRETCH_ULTRA_EXPANDED",
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"ultra-expanded"},
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{0, nullptr, nullptr},
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};
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GST_DWRITE_CALL_ONCE_BEGIN {
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font_stretch_type = g_enum_register_static ("GstDWriteFontStretch",
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font_stretch_types);
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} GST_DWRITE_CALL_ONCE_END;
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return font_stretch_type;
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}
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