1
2 /*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10 #include "SkDrawShader.h"
11 #include "SkDrawBitmap.h"
12 #include "SkDrawMatrix.h"
13 #include "SkDrawPaint.h"
14 #include "SkTemplates.h"
15
16 #if SK_USE_CONDENSED_INFO == 0
17
18 const SkMemberInfo SkDrawShader::fInfo[] = {
19 SK_MEMBER(matrix, Matrix),
20 SK_MEMBER(tileMode, TileMode)
21 };
22
23 #endif
24
25 DEFINE_GET_MEMBER(SkDrawShader);
26
SkDrawShader()27 SkDrawShader::SkDrawShader() : matrix(NULL),
28 tileMode(SkShader::kClamp_TileMode) {
29 }
30
add()31 bool SkDrawShader::add() {
32 if (fPaint->shader != (SkDrawShader*) -1)
33 return true;
34 fPaint->shader = this;
35 fPaint->fOwnsShader = true;
36 return false;
37 }
38
addPostlude(SkShader * shader)39 void SkDrawShader::addPostlude(SkShader* shader) {
40 if (matrix)
41 shader->setLocalMatrix(matrix->getMatrix());
42 }
43
44 #if SK_USE_CONDENSED_INFO == 0
45
46 const SkMemberInfo SkDrawBitmapShader::fInfo[] = {
47 SK_MEMBER_INHERITED,
48 SK_MEMBER(filterBitmap, Boolean),
49 SK_MEMBER(image, BaseBitmap)
50 };
51
52 #endif
53
54 DEFINE_GET_MEMBER(SkDrawBitmapShader);
55
SkDrawBitmapShader()56 SkDrawBitmapShader::SkDrawBitmapShader() : filterBitmap(-1), image(NULL) {}
57
add()58 bool SkDrawBitmapShader::add() {
59 if (fPaint->shader != (SkDrawShader*) -1)
60 return true;
61 fPaint->shader = this;
62 fPaint->fOwnsShader = true;
63 return false;
64 }
65
getShader()66 SkShader* SkDrawBitmapShader::getShader() {
67 if (image == NULL)
68 return NULL;
69
70 // note: bitmap shader now supports independent tile modes for X and Y
71 // we pass the same to both, but later we should extend this flexibility
72 // to the xml (e.g. tileModeX="repeat" tileModeY="clmap")
73 //
74 // oops, bitmapshader no longer takes filterBitmap, but deduces it at
75 // draw-time from the paint
76 SkShader* shader = SkShader::CreateBitmapShader(image->fBitmap,
77 (SkShader::TileMode) tileMode,
78 (SkShader::TileMode) tileMode);
79 SkAutoTDelete<SkShader> autoDel(shader);
80 addPostlude(shader);
81 (void)autoDel.detach();
82 return shader;
83 }
84