| 1 | /* |
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| 2 | * Copyright © 2018 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_TEXTURE__H__ |
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| 21 | #define __GDK_MEMORY_TEXTURE__H__ |
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| 22 | |
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| 23 | #if !defined (__GDK_H_INSIDE__) && !defined (GTK_COMPILATION) |
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| 24 | #error "Only <gdk/gdk.h> can be included directly." |
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| 25 | #endif |
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| 26 | |
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| 27 | #include <gdk/gdkenums.h> |
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| 28 | #include <gdk/gdktexture.h> |
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| 29 | |
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| 30 | G_BEGIN_DECLS |
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| 31 | |
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| 32 | /** |
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| 33 | * GDK_MEMORY_DEFAULT: |
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| 34 | * |
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| 35 | * The default memory format used by GTK. |
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| 36 | * |
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| 37 | * This is the format provided by [method@Gdk.Texture.download]. |
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| 38 | * It is equal to %CAIRO_FORMAT_ARGB32. |
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| 39 | * |
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| 40 | * Be aware that unlike the `GdkMemoryFormat` values, this format |
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| 41 | * is different for different endianness. |
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| 42 | */ |
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| 43 | #if G_BYTE_ORDER == G_LITTLE_ENDIAN |
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| 44 | #define GDK_MEMORY_DEFAULT GDK_MEMORY_B8G8R8A8_PREMULTIPLIED |
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| 45 | #elif G_BYTE_ORDER == G_BIG_ENDIAN |
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| 46 | #define GDK_MEMORY_DEFAULT GDK_MEMORY_A8R8G8B8_PREMULTIPLIED |
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| 47 | #else |
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| 48 | #error "Unknown byte order for GDK_MEMORY_DEFAULT" |
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| 49 | #endif |
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| 50 | |
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| 51 | #define GDK_TYPE_MEMORY_TEXTURE (gdk_memory_texture_get_type ()) |
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| 52 | |
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| 53 | #define GDK_MEMORY_TEXTURE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_MEMORY_TEXTURE, GdkMemoryTexture)) |
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| 54 | #define GDK_IS_MEMORY_TEXTURE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_MEMORY_TEXTURE)) |
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| 55 | |
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| 56 | typedef struct _GdkMemoryTexture GdkMemoryTexture; |
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| 57 | typedef struct _GdkMemoryTextureClass GdkMemoryTextureClass; |
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| 58 | |
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| 59 | G_DEFINE_AUTOPTR_CLEANUP_FUNC(GdkMemoryTexture, g_object_unref) |
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| 60 | |
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| 61 | |
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| 62 | GDK_AVAILABLE_IN_ALL |
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| 63 | GType gdk_memory_texture_get_type (void) G_GNUC_CONST; |
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| 64 | |
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| 65 | GDK_AVAILABLE_IN_ALL |
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| 66 | GdkTexture * gdk_memory_texture_new (int width, |
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| 67 | int height, |
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| 68 | GdkMemoryFormat format, |
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| 69 | GBytes *bytes, |
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| 70 | gsize stride); |
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| 71 | |
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| 72 | |
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| 73 | G_END_DECLS |
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| 74 | |
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| 75 | #endif /* __GDK_MEMORY_TEXTURE_H__ */ |
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| 76 | |
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