gstreamer/subprojects/gst-plugins-bad/sys/dwrite/gstdwrite-effect.h

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/* GStreamer
* Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include <gst/gst.h>
#include "gstdwrite-enums.h"
enum GST_DWRITE_BRUSH_TARGET
{
GST_DWRITE_BRUSH_FORGROUND = 0,
GST_DWRITE_BRUSH_OUTLINE,
GST_DWRITE_BRUSH_UNDERLINE,
GST_DWRITE_BRUSH_STRIKETHROUGH,
GST_DWRITE_BRUSH_SHADOW,
GST_DWRITE_BRUSH_BACKGROUND,
GST_DWRITE_BRUSH_LAST
};
DEFINE_GUID (IID_IGstDWriteTextEffect, 0x23c579ae, 0x2e18,
0x11ed, 0xa2, 0x61, 0x02, 0x42, 0xac, 0x12, 0x00, 0x02);
class IGstDWriteTextEffect : public IUnknown
{
public:
static STDMETHODIMP CreateInstance (IGstDWriteTextEffect ** effect);
static STDMETHODIMP_ (BOOL) IsEnabledColor (const D2D1_COLOR_F & color);
/* IUnknown */
STDMETHODIMP_ (ULONG) AddRef (void);
STDMETHODIMP_ (ULONG) Release (void);
STDMETHODIMP QueryInterface (REFIID riid,
void ** object);
/* effect methods */
STDMETHODIMP Clone (IGstDWriteTextEffect ** effect);
STDMETHODIMP GetBrushColor (GST_DWRITE_BRUSH_TARGET target,
D2D1_COLOR_F * color,
BOOL * enabled);
STDMETHODIMP SetBrushColor (GST_DWRITE_BRUSH_TARGET target,
const D2D1_COLOR_F * color);
STDMETHODIMP SetEnableColorFont (BOOL enable);
STDMETHODIMP GetEnableColorFont (BOOL * enable);
private:
IGstDWriteTextEffect (void);
virtual ~IGstDWriteTextEffect (void);
private:
ULONG ref_count_ = 1;
D2D1_COLOR_F brush_[GST_DWRITE_BRUSH_LAST];
BOOL enable_color_font_ = FALSE;
};