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
18const SkMemberInfo SkDrawShader::fInfo[] = {
19    SK_MEMBER(matrix, Matrix),
20    SK_MEMBER(tileMode, TileMode)
21};
22
23#endif
24
25DEFINE_GET_MEMBER(SkDrawShader);
26
27SkDrawShader::SkDrawShader() : matrix(NULL),
28    tileMode(SkShader::kClamp_TileMode) {
29}
30
31bool SkDrawShader::add() {
32    if (fPaint->shader != (SkDrawShader*) -1)
33        return true;
34    fPaint->shader = this;
35    fPaint->fOwnsShader = true;
36    return false;
37}
38
39SkMatrix* SkDrawShader::getMatrix() {
40    return matrix ? &matrix->getMatrix() : NULL;
41}
42
43#if SK_USE_CONDENSED_INFO == 0
44
45const SkMemberInfo SkDrawBitmapShader::fInfo[] = {
46    SK_MEMBER_INHERITED,
47    SK_MEMBER(filterBitmap, Boolean),
48    SK_MEMBER(image, BaseBitmap)
49};
50
51#endif
52
53DEFINE_GET_MEMBER(SkDrawBitmapShader);
54
55SkDrawBitmapShader::SkDrawBitmapShader() : filterBitmap(-1), image(NULL) {}
56
57bool SkDrawBitmapShader::add() {
58    if (fPaint->shader != (SkDrawShader*) -1)
59        return true;
60    fPaint->shader = this;
61    fPaint->fOwnsShader = true;
62    return false;
63}
64
65SkShader* SkDrawBitmapShader::getShader() {
66    if (image == NULL)
67        return NULL;
68
69    // note: bitmap shader now supports independent tile modes for X and Y
70    // we pass the same to both, but later we should extend this flexibility
71    // to the xml (e.g. tileModeX="repeat" tileModeY="clmap")
72    //
73    // oops, bitmapshader no longer takes filterBitmap, but deduces it at
74    // draw-time from the paint
75    SkShader* shader  = SkShader::CreateBitmapShader(image->fBitmap,
76                                                    (SkShader::TileMode) tileMode,
77                                                    (SkShader::TileMode) tileMode,
78                                                    getMatrix());
79    SkAutoTDelete<SkShader> autoDel(shader);
80    (void)autoDel.detach();
81    return shader;
82}
83