blob: 27e163ea4f8ffeabbd77a72c27a070d62482889c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
//
// GTMShading.h
//
// A protocol for an object that can be used as a shader.
//
// Copyright 2006-2008 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
//
/// \cond Protocols
@protocol GTMShading
// Returns the shadefunction for using in a shader.
// This shadefunction shoud never be released. It is owned by the implementor
// of the GTMShading protocol.
//
// Returns:
// a shading function.
- (CGFunctionRef)shadeFunction;
// Returns the colorSpace for using in a shader.
// This colorSpace shoud never be released. It is owned by the implementor
// of the GTMShading protocol.
//
// Returns:
// a color space.
- (CGColorSpaceRef)colorSpace;
@end
/// \endcond
|
