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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_DOM_DOMMATRIX_H_
#define MOZILLA_DOM_DOMMATRIX_H_
#include <cstring>
#include <utility>
#include "js/RootingAPI.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Assertions.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/gfx/Matrix.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupports.h"
#include "nsStringFwd.h"
#include "nsWrapperCache.h"
class JSObject;
class nsIGlobalObject;
struct JSContext;
struct JSStructuredCloneReader;
struct JSStructuredCloneWriter;
namespace mozilla {
class ErrorResult;
namespace dom {
class GlobalObject;
class DOMMatrix;
class DOMPoint;
template <typename T>
class Optional;
class UTF8StringOrUnrestrictedDoubleSequenceOrDOMMatrixReadOnly;
struct DOMPointInit;
struct DOMMatrixInit;
struct DOMMatrix2DInit;
class DOMMatrixReadOnly : public nsWrapperCache {
public:
explicit DOMMatrixReadOnly(nsISupports* aParent)
: mParent(aParent), mMatrix2D(new gfx::MatrixDouble()) {}
DOMMatrixReadOnly(nsISupports* aParent, const DOMMatrixReadOnly& other)
: mParent(aParent) {
if (other.mMatrix2D) {
mMatrix2D = MakeUnique<gfx::MatrixDouble>(*other.mMatrix2D);
} else {
mMatrix3D = MakeUnique<gfx::Matrix4x4Double>(*other.mMatrix3D);
}
}
DOMMatrixReadOnly(nsISupports* aParent, const gfx::Matrix4x4& aMatrix)
: mParent(aParent) {
mMatrix3D = MakeUnique<gfx::Matrix4x4Double>(aMatrix);
}
DOMMatrixReadOnly(nsISupports* aParent, const gfx::Matrix& aMatrix)
: mParent(aParent) {
mMatrix2D = MakeUnique<gfx::MatrixDouble>(aMatrix);
}
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMMatrixReadOnly)
NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(DOMMatrixReadOnly)
nsISupports* GetParentObject() const { return mParent; }
virtual JSObject* WrapObject(JSContext* cx,
JS::Handle<JSObject*> aGivenProto) override;
static already_AddRefed<DOMMatrixReadOnly> FromMatrix(
nsISupports* aParent, const DOMMatrix2DInit& aMatrixInit,
ErrorResult& aRv);
static already_AddRefed<DOMMatrixReadOnly> FromMatrix(
nsISupports* aParent, const DOMMatrixInit& aMatrixInit, ErrorResult& aRv);
static already_AddRefed<DOMMatrixReadOnly> FromMatrix(
const GlobalObject& aGlobal, const DOMMatrixInit& aMatrixInit,
ErrorResult& aRv);
static already_AddRefed<DOMMatrixReadOnly> FromFloat32Array(
const GlobalObject& aGlobal, const Float32Array& aArray32,
ErrorResult& aRv);
static already_AddRefed<DOMMatrixReadOnly> FromFloat64Array(
const GlobalObject& aGlobal, const Float64Array& aArray64,
ErrorResult& aRv);
static already_AddRefed<DOMMatrixReadOnly> Constructor(
const GlobalObject& aGlobal,
const Optional<UTF8StringOrUnrestrictedDoubleSequenceOrDOMMatrixReadOnly>&
aArg,
ErrorResult& aRv);
static already_AddRefed<DOMMatrixReadOnly> ReadStructuredClone(
JSContext* aCx, nsIGlobalObject* aGlobal,
JSStructuredCloneReader* aReader);
// clang-format off
#define GetMatrixMember(entry2D, entry3D, default) \
{ \
if (mMatrix3D) { \
return mMatrix3D->entry3D; \
} \
return mMatrix2D->entry2D; \
}
#define Get3DMatrixMember(entry3D, default) \
{ \
if (mMatrix3D) { \
return mMatrix3D->entry3D; \
} \
return default; \
}
double A() const GetMatrixMember(_11, _11, 1.0)
double B() const GetMatrixMember(_12, _12, 0)
double C() const GetMatrixMember(_21, _21, 0)
double D() const GetMatrixMember(_22, _22, 1.0)
double E() const GetMatrixMember(_31, _41, 0)
double F() const GetMatrixMember(_32, _42, 0)
double M11() const GetMatrixMember(_11, _11, 1.0)
double M12() const GetMatrixMember(_12, _12, 0)
double M13() const Get3DMatrixMember(_13, 0)
double M14() const Get3DMatrixMember(_14, 0)
double M21() const GetMatrixMember(_21, _21, 0)
double M22() const GetMatrixMember(_22, _22, 1.0)
double M23() const Get3DMatrixMember(_23, 0)
double M24() const Get3DMatrixMember(_24, 0)
double M31() const Get3DMatrixMember(_31, 0)
double M32() const Get3DMatrixMember(_32, 0)
double M33() const Get3DMatrixMember(_33, 1.0)
double M34() const Get3DMatrixMember(_34, 0)
double M41() const GetMatrixMember(_31, _41, 0)
double M42() const GetMatrixMember(_32, _42, 0)
double M43() const Get3DMatrixMember(_43, 0)
double M44() const Get3DMatrixMember(_44, 1.0)
#undef GetMatrixMember
#undef Get3DMatrixMember
// Defined here so we can construct DOMMatrixReadOnly objects.
#define Set2DMatrixMember(entry2D, entry3D) \
{ \
if (mMatrix3D) { \
mMatrix3D->entry3D = v; \
} else { \
mMatrix2D->entry2D = v; \
} \
}
#define Set3DMatrixMember(entry3D, default) \
{ \
if (mMatrix3D || (v != default)) { \
Ensure3DMatrix(); \
mMatrix3D->entry3D = v; \
} \
}
void SetA(double v) Set2DMatrixMember(_11, _11)
void SetB(double v) Set2DMatrixMember(_12, _12)
void SetC(double v) Set2DMatrixMember(_21, _21)
void SetD(double v) Set2DMatrixMember(_22, _22)
void SetE(double v) Set2DMatrixMember(_31, _41)
void SetF(double v) Set2DMatrixMember(_32, _42)
void SetM11(double v) Set2DMatrixMember(_11, _11)
void SetM12(double v) Set2DMatrixMember(_12, _12)
void SetM13(double v) Set3DMatrixMember(_13, 0)
void SetM14(double v) Set3DMatrixMember(_14, 0)
void SetM21(double v) Set2DMatrixMember(_21, _21)
void SetM22(double v) Set2DMatrixMember(_22, _22)
void SetM23(double v) Set3DMatrixMember(_23, 0)
void SetM24(double v) Set3DMatrixMember(_24, 0)
void SetM31(double v) Set3DMatrixMember(_31, 0)
void SetM32(double v) Set3DMatrixMember(_32, 0)
void SetM33(double v) Set3DMatrixMember(_33, 1.0)
void SetM34(double v) Set3DMatrixMember(_34, 0)
void SetM41(double v) Set2DMatrixMember(_31, _41)
void SetM42(double v) Set2DMatrixMember(_32, _42)
void SetM43(double v) Set3DMatrixMember(_43, 0)
void SetM44(double v) Set3DMatrixMember(_44, 1.0)
; // semi-colon here to get clang-format to align properly from here on
#undef Set2DMatrixMember
#undef Set3DMatrixMember
// clang-format on
already_AddRefed<DOMMatrix> Translate(double aTx, double aTy,
double aTz = 0) const;
already_AddRefed<DOMMatrix> Scale(double aScaleX,
const Optional<double>& aScaleY,
double aScaleZ, double aOriginX,
double aOriginY, double aOriginZ) const;
already_AddRefed<DOMMatrix> Scale3d(double aScale, double aOriginX = 0,
double aOriginY = 0,
double aOriginZ = 0) const;
already_AddRefed<DOMMatrix> ScaleNonUniform(double aScaleX,
double aScaleY) const;
already_AddRefed<DOMMatrix> Rotate(double aRotX,
const Optional<double>& aRotY,
const Optional<double>& aRotZ) const;
already_AddRefed<DOMMatrix> RotateFromVector(double aX, double aY) const;
already_AddRefed<DOMMatrix> RotateAxisAngle(double aX, double aY, double aZ,
double aAngle) const;
already_AddRefed<DOMMatrix> SkewX(double aSx) const;
already_AddRefed<DOMMatrix> SkewY(double aSy) const;
already_AddRefed<DOMMatrix> Multiply(const DOMMatrixInit& aOther,
ErrorResult& aRv) const;
already_AddRefed<DOMMatrix> FlipX() const;
already_AddRefed<DOMMatrix> FlipY() const;
already_AddRefed<DOMMatrix> Inverse() const;
bool Is2D() const;
bool IsIdentity() const;
already_AddRefed<DOMPoint> TransformPoint(const DOMPointInit& aPoint) const;
void ToFloat32Array(JSContext* aCx, JS::MutableHandle<JSObject*> aResult,
ErrorResult& aRv) const;
void ToFloat64Array(JSContext* aCx, JS::MutableHandle<JSObject*> aResult,
ErrorResult& aRv) const;
void Stringify(nsAString& aResult, ErrorResult& aRv);
bool WriteStructuredClone(JSContext* aCx,
JSStructuredCloneWriter* aWriter) const;
const gfx::MatrixDouble* GetInternal2D() const {
if (Is2D()) {
return mMatrix2D.get();
}
return nullptr;
}
protected:
nsCOMPtr<nsISupports> mParent;
UniquePtr<gfx::MatrixDouble> mMatrix2D;
UniquePtr<gfx::Matrix4x4Double> mMatrix3D;
virtual ~DOMMatrixReadOnly() = default;
/**
* Sets data from a fully validated and fixed-up matrix init,
* where all of its members are properly defined.
* The init dictionary's dimension must match the matrix one.
*/
void SetDataFromMatrix2DInit(const DOMMatrix2DInit& aMatrixInit);
void SetDataFromMatrixInit(const DOMMatrixInit& aMatrixInit);
DOMMatrixReadOnly* SetMatrixValue(const nsACString&, ErrorResult&);
void Ensure3DMatrix();
DOMMatrixReadOnly(nsISupports* aParent, bool is2D)
: DOMMatrixReadOnly(do_AddRef(aParent), is2D) {}
DOMMatrixReadOnly(already_AddRefed<nsISupports>&& aParent, bool is2D)
: mParent(std::move(aParent)) {
if (is2D) {
mMatrix2D = MakeUnique<gfx::MatrixDouble>();
} else {
mMatrix3D = MakeUnique<gfx::Matrix4x4Double>();
}
}
static bool ReadStructuredCloneElements(JSStructuredCloneReader* aReader,
DOMMatrixReadOnly* matrix);
private:
DOMMatrixReadOnly() = delete;
DOMMatrixReadOnly(const DOMMatrixReadOnly&) = delete;
DOMMatrixReadOnly& operator=(const DOMMatrixReadOnly&) = delete;
};
class DOMMatrix : public DOMMatrixReadOnly {
public:
explicit DOMMatrix(nsISupports* aParent) : DOMMatrixReadOnly(aParent) {}
DOMMatrix(nsISupports* aParent, const DOMMatrixReadOnly& other)
: DOMMatrixReadOnly(aParent, other) {}
DOMMatrix(nsISupports* aParent, const gfx::Matrix4x4& aMatrix)
: DOMMatrixReadOnly(aParent, aMatrix) {}
DOMMatrix(nsISupports* aParent, const gfx::Matrix& aMatrix)
: DOMMatrixReadOnly(aParent, aMatrix) {}
static already_AddRefed<DOMMatrix> FromMatrix(
nsISupports* aParent, const DOMMatrixInit& aMatrixInit, ErrorResult& aRv);
static already_AddRefed<DOMMatrix> FromMatrix(
const GlobalObject& aGlobal, const DOMMatrixInit& aMatrixInit,
ErrorResult& aRv);
static already_AddRefed<DOMMatrix> FromFloat32Array(
const GlobalObject& aGlobal, const Float32Array& aArray32,
ErrorResult& aRv);
static already_AddRefed<DOMMatrix> FromFloat64Array(
const GlobalObject& aGlobal, const Float64Array& aArray64,
ErrorResult& aRv);
static already_AddRefed<DOMMatrix> Constructor(
const GlobalObject& aGlobal,
const Optional<UTF8StringOrUnrestrictedDoubleSequenceOrDOMMatrixReadOnly>&
aArg,
ErrorResult& aRv);
static already_AddRefed<DOMMatrix> ReadStructuredClone(
JSContext* aCx, nsIGlobalObject* aGlobal,
JSStructuredCloneReader* aReader);
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
DOMMatrix* MultiplySelf(const DOMMatrixInit& aOther, ErrorResult& aRv);
DOMMatrix* PreMultiplySelf(const DOMMatrixInit& aOther, ErrorResult& aRv);
DOMMatrix* TranslateSelf(double aTx, double aTy, double aTz = 0);
DOMMatrix* ScaleSelf(double aScaleX, const Optional<double>& aScaleY,
double aScaleZ, double aOriginX, double aOriginY,
double aOriginZ);
DOMMatrix* Scale3dSelf(double aScale, double aOriginX = 0,
double aOriginY = 0, double aOriginZ = 0);
DOMMatrix* RotateSelf(double aRotX, const Optional<double>& aRotY,
const Optional<double>& aRotZ);
DOMMatrix* RotateFromVectorSelf(double aX, double aY);
DOMMatrix* RotateAxisAngleSelf(double aX, double aY, double aZ,
double aAngle);
DOMMatrix* SkewXSelf(double aSx);
DOMMatrix* SkewYSelf(double aSy);
DOMMatrix* InvertSelf();
DOMMatrix* SetMatrixValue(const nsACString&, ErrorResult&);
virtual ~DOMMatrix() = default;
private:
DOMMatrix(nsISupports* aParent, bool is2D)
: DOMMatrixReadOnly(aParent, is2D) {}
DOMMatrix(already_AddRefed<nsISupports>&& aParent, bool is2D)
: DOMMatrixReadOnly(std::move(aParent), is2D) {}
};
} // namespace dom
} // namespace mozilla
#endif /*MOZILLA_DOM_DOMMATRIX_H_*/
|