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75 lines
3.3 KiB
C
75 lines
3.3 KiB
C
/*
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* Copyright © 2018 Benjamin Otte
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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 Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Benjamin Otte <otte@gnome.org>
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*/
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#ifndef __GDK_MEMORY_TEXTURE_PRIVATE_H__
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#define __GDK_MEMORY_TEXTURE_PRIVATE_H__
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#include "gdkmemorytexture.h"
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#include "gdktextureprivate.h"
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G_BEGIN_DECLS
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#define GDK_MEMORY_GDK_PIXBUF_OPAQUE GDK_MEMORY_R8G8B8
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#define GDK_MEMORY_GDK_PIXBUF_ALPHA GDK_MEMORY_R8G8B8A8
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typedef enum {
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GDK_MEMORY_CONVERT_DOWNLOAD_LITTLE_ENDIAN,
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GDK_MEMORY_CONVERT_DOWNLOAD_BIT_ENDIAN,
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GDK_MEMORY_CONVERT_GLES_RGBA,
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GDK_MEMORY_N_CONVERSIONS
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} GdkMemoryConversion;
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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#define GDK_MEMORY_CONVERT_DOWNLOAD GDK_MEMORY_CONVERT_DOWNLOAD_LITTLE_ENDIAN
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#elif G_BYTE_ORDER == G_BIG_ENDIAN
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#define GDK_MEMORY_CONVERT_DOWNLOAD GDK_MEMORY_CONVERT_DOWNLOAD_BIG_ENDIAN
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#else
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#error "Unknown byte order for GDK_MEMORY_CONVERT_DOWNLOAD"
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#endif
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gsize gdk_memory_format_bytes_per_pixel (GdkMemoryFormat format);
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GdkMemoryFormat gdk_memory_texture_get_format (GdkMemoryTexture *self);
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const guchar * gdk_memory_texture_get_data (GdkMemoryTexture *self);
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gsize gdk_memory_texture_get_stride (GdkMemoryTexture *self);
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void gdk_memory_convert (guchar *dest_data,
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gsize dest_stride,
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GdkMemoryConversion dest_format,
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const guchar *src_data,
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gsize src_stride,
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GdkMemoryFormat src_format,
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gsize width,
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gsize height);
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void gdk_memory_convert_to_float (float *dest_data,
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gsize dest_stride,
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const guchar *src_data,
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gsize src_stride,
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GdkMemoryFormat src_format,
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gsize width,
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gsize height);
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G_END_DECLS
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#endif /* __GDK_MEMORY_TEXTURE_PRIVATE_H__ */
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