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comparison: gfx/skia/trunk/src/animator/SkDrawMatrix.cpp

gfx/skia/trunk/src/animator/SkDrawMatrix.cpp

branch
TOR_BUG_3246
changeset 7
129ffea94266
equal deleted inserted replaced
-1:000000000000 0:0c38c1790596
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 "SkDrawMatrix.h"
11 #include "SkAnimateMaker.h"
12 #include "SkCanvas.h"
13 #include "SkPaint.h"
14 #include "SkParse.h"
15 #include "SkMatrixParts.h"
16 #include "SkScript.h"
17 #include "SkTypedArray.h"
18
19 enum SkDrawMatrix_Properties {
20 SK_PROPERTY(perspectX),
21 SK_PROPERTY(perspectY),
22 SK_PROPERTY(rotate),
23 SK_PROPERTY(scale),
24 SK_PROPERTY(scaleX),
25 SK_PROPERTY(scaleY),
26 SK_PROPERTY(skewX),
27 SK_PROPERTY(skewY),
28 SK_PROPERTY(translate),
29 SK_PROPERTY(translateX),
30 SK_PROPERTY(translateY)
31 };
32
33 #if SK_USE_CONDENSED_INFO == 0
34
35 const SkMemberInfo SkDrawMatrix::fInfo[] = {
36 SK_MEMBER_ARRAY(matrix, Float),
37 SK_MEMBER_PROPERTY(perspectX, Float),
38 SK_MEMBER_PROPERTY(perspectY, Float),
39 SK_MEMBER_PROPERTY(rotate, Float),
40 SK_MEMBER_PROPERTY(scale, Float),
41 SK_MEMBER_PROPERTY(scaleX, Float),
42 SK_MEMBER_PROPERTY(scaleY, Float),
43 SK_MEMBER_PROPERTY(skewX, Float),
44 SK_MEMBER_PROPERTY(skewY, Float),
45 SK_MEMBER_PROPERTY(translate, Point),
46 SK_MEMBER_PROPERTY(translateX, Float),
47 SK_MEMBER_PROPERTY(translateY, Float)
48 };
49
50 #endif
51
52 DEFINE_GET_MEMBER(SkDrawMatrix);
53
54 SkDrawMatrix::SkDrawMatrix() : fChildHasID(false), fDirty(false) {
55 fConcat.reset();
56 fMatrix.reset();
57 }
58
59 SkDrawMatrix::~SkDrawMatrix() {
60 for (SkMatrixPart** part = fParts.begin(); part < fParts.end(); part++)
61 delete *part;
62 }
63
64 bool SkDrawMatrix::addChild(SkAnimateMaker& maker, SkDisplayable* child) {
65 SkASSERT(child && child->isMatrixPart());
66 SkMatrixPart* part = (SkMatrixPart*) child;
67 *fParts.append() = part;
68 if (part->add())
69 maker.setErrorCode(SkDisplayXMLParserError::kErrorAddingToMatrix);
70 return true;
71 }
72
73 bool SkDrawMatrix::childrenNeedDisposing() const {
74 return false;
75 }
76
77 SkDisplayable* SkDrawMatrix::deepCopy(SkAnimateMaker* maker) {
78 SkDrawMatrix* copy = (SkDrawMatrix*)
79 SkDisplayType::CreateInstance(maker, SkType_Matrix);
80 SkASSERT(fParts.count() == 0);
81 copy->fMatrix = fMatrix;
82 copy->fConcat = fConcat;
83 return copy;
84 }
85
86 void SkDrawMatrix::dirty() {
87 fDirty = true;
88 }
89
90 bool SkDrawMatrix::draw(SkAnimateMaker& maker) {
91 SkMatrix& concat = getMatrix();
92 maker.fCanvas->concat(concat);
93 return false;
94 }
95
96 #ifdef SK_DUMP_ENABLED
97 void SkDrawMatrix::dump(SkAnimateMaker* maker) {
98 dumpBase(maker);
99 if (fMatrix.isIdentity()) {
100 SkDebugf("matrix=\"identity\"/>\n");
101 return;
102 }
103 SkScalar result;
104 result = fMatrix[SkMatrix::kMScaleX];
105 if (result != SK_Scalar1)
106 SkDebugf("sx=\"%g\" ", SkScalarToFloat(result));
107 result = fMatrix.getScaleY();
108 if (result != SK_Scalar1)
109 SkDebugf("sy=\"%g\" ", SkScalarToFloat(result));
110 result = fMatrix.getSkewX();
111 if (result)
112 SkDebugf("skew-x=\"%g\" ", SkScalarToFloat(result));
113 result = fMatrix.getSkewY();
114 if (result)
115 SkDebugf("skew-y=\"%g\" ", SkScalarToFloat(result));
116 result = fMatrix.getTranslateX();
117 if (result)
118 SkDebugf("tx=\"%g\" ", SkScalarToFloat(result));
119 result = fMatrix.getTranslateY();
120 if (result)
121 SkDebugf("ty=\"%g\" ", SkScalarToFloat(result));
122 result = SkPerspToScalar(fMatrix.getPerspX());
123 if (result)
124 SkDebugf("perspect-x=\"%g\" ", SkScalarToFloat(result));
125 result = SkPerspToScalar(fMatrix.getPerspY());
126 if (result)
127 SkDebugf("perspect-y=\"%g\" ", SkScalarToFloat(result));
128 SkDebugf("/>\n");
129 }
130 #endif
131
132 SkMatrix& SkDrawMatrix::getMatrix() {
133 if (fDirty == false)
134 return fConcat;
135 fMatrix.reset();
136 for (SkMatrixPart** part = fParts.begin(); part < fParts.end(); part++) {
137 (*part)->add();
138 fConcat = fMatrix;
139 }
140 fDirty = false;
141 return fConcat;
142 }
143
144 bool SkDrawMatrix::getProperty(int index, SkScriptValue* value) const {
145 value->fType = SkType_Float;
146 SkScalar result;
147 switch (index) {
148 case SK_PROPERTY(perspectX):
149 result = fMatrix.getPerspX();
150 break;
151 case SK_PROPERTY(perspectY):
152 result = fMatrix.getPerspY();
153 break;
154 case SK_PROPERTY(scaleX):
155 result = fMatrix.getScaleX();
156 break;
157 case SK_PROPERTY(scaleY):
158 result = fMatrix.getScaleY();
159 break;
160 case SK_PROPERTY(skewX):
161 result = fMatrix.getSkewX();
162 break;
163 case SK_PROPERTY(skewY):
164 result = fMatrix.getSkewY();
165 break;
166 case SK_PROPERTY(translateX):
167 result = fMatrix.getTranslateX();
168 break;
169 case SK_PROPERTY(translateY):
170 result = fMatrix.getTranslateY();
171 break;
172 default:
173 // SkASSERT(0);
174 return false;
175 }
176 value->fOperand.fScalar = result;
177 return true;
178 }
179
180 void SkDrawMatrix::initialize() {
181 fConcat = fMatrix;
182 }
183
184 void SkDrawMatrix::onEndElement(SkAnimateMaker& ) {
185 if (matrix.count() > 0) {
186 SkScalar* vals = matrix.begin();
187 fMatrix.setScaleX(vals[0]);
188 fMatrix.setSkewX(vals[1]);
189 fMatrix.setTranslateX(vals[2]);
190 fMatrix.setSkewY(vals[3]);
191 fMatrix.setScaleY(vals[4]);
192 fMatrix.setTranslateY(vals[5]);
193 fMatrix.setPerspX(SkScalarToPersp(vals[6]));
194 fMatrix.setPerspY(SkScalarToPersp(vals[7]));
195 // fMatrix.setPerspW(SkScalarToPersp(vals[8]));
196 goto setConcat;
197 }
198 if (fChildHasID == false) {
199 {
200 for (SkMatrixPart** part = fParts.begin(); part < fParts.end(); part++)
201 delete *part;
202 }
203 fParts.reset();
204 setConcat:
205 fConcat = fMatrix;
206 fDirty = false;
207 }
208 }
209
210 void SkDrawMatrix::setChildHasID() {
211 fChildHasID = true;
212 }
213
214 bool SkDrawMatrix::setProperty(int index, SkScriptValue& scriptValue) {
215 SkScalar number = scriptValue.fOperand.fScalar;
216 switch (index) {
217 case SK_PROPERTY(translate):
218 // SkScalar xy[2];
219 SkASSERT(scriptValue.fType == SkType_Array);
220 SkASSERT(scriptValue.fOperand.fArray->getType() == SkType_Float);
221 SkASSERT(scriptValue.fOperand.fArray->count() == 2);
222 // SkParse::FindScalars(scriptValue.fOperand.fString->c_str(), xy, 2);
223 fMatrix.setTranslateX((*scriptValue.fOperand.fArray)[0].fScalar);
224 fMatrix.setTranslateY((*scriptValue.fOperand.fArray)[1].fScalar);
225 return true;
226 case SK_PROPERTY(perspectX):
227 fMatrix.setPerspX(SkScalarToPersp((number)));
228 break;
229 case SK_PROPERTY(perspectY):
230 fMatrix.setPerspY(SkScalarToPersp((number)));
231 break;
232 case SK_PROPERTY(rotate): {
233 SkMatrix temp;
234 temp.setRotate(number, 0, 0);
235 fMatrix.setScaleX(temp.getScaleX());
236 fMatrix.setScaleY(temp.getScaleY());
237 fMatrix.setSkewX(temp.getSkewX());
238 fMatrix.setSkewY(temp.getSkewY());
239 } break;
240 case SK_PROPERTY(scale):
241 fMatrix.setScaleX(number);
242 fMatrix.setScaleY(number);
243 break;
244 case SK_PROPERTY(scaleX):
245 fMatrix.setScaleX(number);
246 break;
247 case SK_PROPERTY(scaleY):
248 fMatrix.setScaleY(number);
249 break;
250 case SK_PROPERTY(skewX):
251 fMatrix.setSkewX(number);
252 break;
253 case SK_PROPERTY(skewY):
254 fMatrix.setSkewY(number);
255 break;
256 case SK_PROPERTY(translateX):
257 fMatrix.setTranslateX(number);
258 break;
259 case SK_PROPERTY(translateY):
260 fMatrix.setTranslateY(number);
261 break;
262 default:
263 SkASSERT(0);
264 return false;
265 }
266 fConcat = fMatrix;
267 return true;
268 }

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