| 1 | /* |
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| 2 | * Copyright © 2021 Benjamin Otte |
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| 3 | * |
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| 4 | * This library is free software; you can redistribute it and/or |
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| 5 | * modify it under the terms of the GNU Lesser General Public |
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| 6 | * License as published by the Free Software Foundation; either |
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| 7 | * version 2.1 of the License, or (at your option) any later version. |
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| 8 | * |
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| 9 | * This library is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | * Lesser General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU Lesser General Public |
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| 15 | * License along with this library. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | * |
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| 17 | * Authors: Benjamin Otte <otte@gnome.org> |
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| 18 | */ |
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| 19 | |
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| 20 | #ifndef __GDK_MEMORY_CONVERT_PRIVATE_H__ |
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| 21 | #define __GDK_MEMORY_CONVERT_PRIVATE_H__ |
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| 22 | |
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| 23 | #include "gdkenums.h" |
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| 24 | |
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| 25 | G_BEGIN_DECLS |
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| 26 | |
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| 27 | typedef enum { |
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| 28 | GDK_MEMORY_ALPHA_PREMULTIPLIED, |
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| 29 | GDK_MEMORY_ALPHA_STRAIGHT, |
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| 30 | GDK_MEMORY_ALPHA_OPAQUE |
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| 31 | } GdkMemoryAlpha; |
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| 32 | |
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| 33 | gsize gdk_memory_format_alignment (GdkMemoryFormat format) G_GNUC_CONST; |
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| 34 | GdkMemoryAlpha gdk_memory_format_alpha (GdkMemoryFormat format) G_GNUC_CONST; |
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| 35 | gsize gdk_memory_format_bytes_per_pixel (GdkMemoryFormat format) G_GNUC_CONST; |
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| 36 | gboolean gdk_memory_format_prefers_high_depth(GdkMemoryFormat format) G_GNUC_CONST; |
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| 37 | gboolean gdk_memory_format_gl_format (GdkMemoryFormat format, |
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| 38 | gboolean gles, |
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| 39 | guint *out_internal_format, |
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| 40 | guint *out_format, |
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| 41 | guint *out_type); |
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| 42 | |
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| 43 | void gdk_memory_convert (guchar *dest_data, |
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| 44 | gsize dest_stride, |
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| 45 | GdkMemoryFormat dest_format, |
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| 46 | const guchar *src_data, |
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| 47 | gsize src_stride, |
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| 48 | GdkMemoryFormat src_format, |
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| 49 | gsize width, |
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| 50 | gsize height); |
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| 51 | |
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| 52 | |
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| 53 | G_END_DECLS |
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| 54 | |
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| 55 | #endif /* __GDK_MEMORY_CONVERT_PRIVATE_H__ */ |
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| 56 | |
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