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Side by Side Diff: Source/platform/graphics/filters/FilterOperation.h

Issue 99103006: Moving GraphicsContext and dependencies from core to platform. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Final patch - fixes Android Created 7 years ago
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1 /* 1 /*
2 * Copyright (C) 2011 Apple Inc. All rights reserved. 2 * Copyright (C) 2011 Apple Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution. 11 * documentation and/or other materials provided with the distribution.
12 * 12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */ 24 */
25 25
26 #ifndef FilterOperation_h 26 #ifndef FilterOperation_h
27 #define FilterOperation_h 27 #define FilterOperation_h
28 28
29 #include "core/platform/graphics/filters/Filter.h"
30 #include "core/platform/graphics/filters/ReferenceFilter.h"
31 #include "platform/Length.h" 29 #include "platform/Length.h"
30 #include "platform/PlatformExport.h"
32 #include "platform/graphics/Color.h" 31 #include "platform/graphics/Color.h"
32 #include "platform/graphics/filters/Filter.h"
33 #include "platform/graphics/filters/ReferenceFilter.h"
33 #include "wtf/OwnPtr.h" 34 #include "wtf/OwnPtr.h"
34 #include "wtf/PassOwnPtr.h" 35 #include "wtf/PassOwnPtr.h"
35 #include "wtf/RefCounted.h" 36 #include "wtf/RefCounted.h"
36 #include "wtf/text/WTFString.h" 37 #include "wtf/text/WTFString.h"
37 38
38 namespace WebCore { 39 namespace WebCore {
39 40
40 // CSS Filters 41 // CSS Filters
41 42
42 class FilterOperation : public RefCounted<FilterOperation> { 43 class PLATFORM_EXPORT FilterOperation : public RefCounted<FilterOperation> {
43 public: 44 public:
44 enum OperationType { 45 enum OperationType {
45 REFERENCE, // url(#somefilter) 46 REFERENCE, // url(#somefilter)
46 GRAYSCALE, 47 GRAYSCALE,
47 SEPIA, 48 SEPIA,
48 SATURATE, 49 SATURATE,
49 HUE_ROTATE, 50 HUE_ROTATE,
50 INVERT, 51 INVERT,
51 OPACITY, 52 OPACITY,
52 BRIGHTNESS, 53 BRIGHTNESS,
(...skipping 52 matching lines...) Expand 10 before | Expand all | Expand 10 after
105 106
106 OperationType m_type; 107 OperationType m_type;
107 108
108 private: 109 private:
109 virtual PassRefPtr<FilterOperation> blend(const FilterOperation* from, doubl e progress) const = 0; 110 virtual PassRefPtr<FilterOperation> blend(const FilterOperation* from, doubl e progress) const = 0;
110 }; 111 };
111 112
112 #define DEFINE_FILTER_OPERATION_TYPE_CASTS(thisType, operationType) \ 113 #define DEFINE_FILTER_OPERATION_TYPE_CASTS(thisType, operationType) \
113 DEFINE_TYPE_CASTS(thisType, FilterOperation, op, op->type() == FilterOperati on::operationType, op.type() == FilterOperation::operationType); 114 DEFINE_TYPE_CASTS(thisType, FilterOperation, op, op->type() == FilterOperati on::operationType, op.type() == FilterOperation::operationType);
114 115
115 class ReferenceFilterOperation : public FilterOperation { 116 class PLATFORM_EXPORT ReferenceFilterOperation : public FilterOperation {
116 public: 117 public:
117 static PassRefPtr<ReferenceFilterOperation> create(const String& url, const String& fragment) 118 static PassRefPtr<ReferenceFilterOperation> create(const String& url, const String& fragment)
118 { 119 {
119 return adoptRef(new ReferenceFilterOperation(url, fragment)); 120 return adoptRef(new ReferenceFilterOperation(url, fragment));
120 } 121 }
121 122
122 virtual bool affectsOpacity() const { return true; } 123 virtual bool affectsOpacity() const { return true; }
123 virtual bool movesPixels() const { return true; } 124 virtual bool movesPixels() const { return true; }
124 125
125 const String& url() const { return m_url; } 126 const String& url() const { return m_url; }
(...skipping 26 matching lines...) Expand all
152 153
153 String m_url; 154 String m_url;
154 String m_fragment; 155 String m_fragment;
155 RefPtr<ReferenceFilter> m_filter; 156 RefPtr<ReferenceFilter> m_filter;
156 }; 157 };
157 158
158 DEFINE_FILTER_OPERATION_TYPE_CASTS(ReferenceFilterOperation, REFERENCE); 159 DEFINE_FILTER_OPERATION_TYPE_CASTS(ReferenceFilterOperation, REFERENCE);
159 160
160 // GRAYSCALE, SEPIA, SATURATE and HUE_ROTATE are variations on a basic color mat rix effect. 161 // GRAYSCALE, SEPIA, SATURATE and HUE_ROTATE are variations on a basic color mat rix effect.
161 // For HUE_ROTATE, the angle of rotation is stored in m_amount. 162 // For HUE_ROTATE, the angle of rotation is stored in m_amount.
162 class BasicColorMatrixFilterOperation : public FilterOperation { 163 class PLATFORM_EXPORT BasicColorMatrixFilterOperation : public FilterOperation {
163 public: 164 public:
164 static PassRefPtr<BasicColorMatrixFilterOperation> create(double amount, Ope rationType type) 165 static PassRefPtr<BasicColorMatrixFilterOperation> create(double amount, Ope rationType type)
165 { 166 {
166 return adoptRef(new BasicColorMatrixFilterOperation(amount, type)); 167 return adoptRef(new BasicColorMatrixFilterOperation(amount, type));
167 } 168 }
168 169
169 double amount() const { return m_amount; } 170 double amount() const { return m_amount; }
170 171
171 172
172 private: 173 private:
(...skipping 17 matching lines...) Expand all
190 191
191 inline bool isBasicColorMatrixFilterOperation(const FilterOperation& operation) 192 inline bool isBasicColorMatrixFilterOperation(const FilterOperation& operation)
192 { 193 {
193 FilterOperation::OperationType type = operation.type(); 194 FilterOperation::OperationType type = operation.type();
194 return type == FilterOperation::GRAYSCALE || type == FilterOperation::SEPIA || type == FilterOperation::SATURATE || type == FilterOperation::HUE_ROTATE; 195 return type == FilterOperation::GRAYSCALE || type == FilterOperation::SEPIA || type == FilterOperation::SATURATE || type == FilterOperation::HUE_ROTATE;
195 } 196 }
196 197
197 DEFINE_TYPE_CASTS(BasicColorMatrixFilterOperation, FilterOperation, op, isBasicC olorMatrixFilterOperation(*op), isBasicColorMatrixFilterOperation(op)); 198 DEFINE_TYPE_CASTS(BasicColorMatrixFilterOperation, FilterOperation, op, isBasicC olorMatrixFilterOperation(*op), isBasicColorMatrixFilterOperation(op));
198 199
199 // INVERT, BRIGHTNESS, CONTRAST and OPACITY are variations on a basic component transfer effect. 200 // INVERT, BRIGHTNESS, CONTRAST and OPACITY are variations on a basic component transfer effect.
200 class BasicComponentTransferFilterOperation : public FilterOperation { 201 class PLATFORM_EXPORT BasicComponentTransferFilterOperation : public FilterOpera tion {
201 public: 202 public:
202 static PassRefPtr<BasicComponentTransferFilterOperation> create(double amoun t, OperationType type) 203 static PassRefPtr<BasicComponentTransferFilterOperation> create(double amoun t, OperationType type)
203 { 204 {
204 return adoptRef(new BasicComponentTransferFilterOperation(amount, type)) ; 205 return adoptRef(new BasicComponentTransferFilterOperation(amount, type)) ;
205 } 206 }
206 207
207 double amount() const { return m_amount; } 208 double amount() const { return m_amount; }
208 209
209 virtual bool affectsOpacity() const { return m_type == OPACITY; } 210 virtual bool affectsOpacity() const { return m_type == OPACITY; }
210 211
(...skipping 18 matching lines...) Expand all
229 }; 230 };
230 231
231 inline bool isBasicComponentTransferFilterOperation(const FilterOperation& opera tion) 232 inline bool isBasicComponentTransferFilterOperation(const FilterOperation& opera tion)
232 { 233 {
233 FilterOperation::OperationType type = operation.type(); 234 FilterOperation::OperationType type = operation.type();
234 return type == FilterOperation::INVERT || type == FilterOperation::OPACITY | | type == FilterOperation::BRIGHTNESS || type == FilterOperation::CONTRAST; 235 return type == FilterOperation::INVERT || type == FilterOperation::OPACITY | | type == FilterOperation::BRIGHTNESS || type == FilterOperation::CONTRAST;
235 } 236 }
236 237
237 DEFINE_TYPE_CASTS(BasicComponentTransferFilterOperation, FilterOperation, op, is BasicComponentTransferFilterOperation(*op), isBasicComponentTransferFilterOperat ion(op)); 238 DEFINE_TYPE_CASTS(BasicComponentTransferFilterOperation, FilterOperation, op, is BasicComponentTransferFilterOperation(*op), isBasicComponentTransferFilterOperat ion(op));
238 239
239 class BlurFilterOperation : public FilterOperation { 240 class PLATFORM_EXPORT BlurFilterOperation : public FilterOperation {
240 public: 241 public:
241 static PassRefPtr<BlurFilterOperation> create(Length stdDeviation) 242 static PassRefPtr<BlurFilterOperation> create(Length stdDeviation)
242 { 243 {
243 return adoptRef(new BlurFilterOperation(stdDeviation)); 244 return adoptRef(new BlurFilterOperation(stdDeviation));
244 } 245 }
245 246
246 Length stdDeviation() const { return m_stdDeviation; } 247 Length stdDeviation() const { return m_stdDeviation; }
247 248
248 virtual bool affectsOpacity() const { return true; } 249 virtual bool affectsOpacity() const { return true; }
249 virtual bool movesPixels() const { return true; } 250 virtual bool movesPixels() const { return true; }
(...skipping 13 matching lines...) Expand all
263 : FilterOperation(BLUR) 264 : FilterOperation(BLUR)
264 , m_stdDeviation(stdDeviation) 265 , m_stdDeviation(stdDeviation)
265 { 266 {
266 } 267 }
267 268
268 Length m_stdDeviation; 269 Length m_stdDeviation;
269 }; 270 };
270 271
271 DEFINE_FILTER_OPERATION_TYPE_CASTS(BlurFilterOperation, BLUR); 272 DEFINE_FILTER_OPERATION_TYPE_CASTS(BlurFilterOperation, BLUR);
272 273
273 class DropShadowFilterOperation : public FilterOperation { 274 class PLATFORM_EXPORT DropShadowFilterOperation : public FilterOperation {
274 public: 275 public:
275 static PassRefPtr<DropShadowFilterOperation> create(const IntPoint& location , int stdDeviation, Color color) 276 static PassRefPtr<DropShadowFilterOperation> create(const IntPoint& location , int stdDeviation, Color color)
276 { 277 {
277 return adoptRef(new DropShadowFilterOperation(location, stdDeviation, co lor)); 278 return adoptRef(new DropShadowFilterOperation(location, stdDeviation, co lor));
278 } 279 }
279 280
280 int x() const { return m_location.x(); } 281 int x() const { return m_location.x(); }
281 int y() const { return m_location.y(); } 282 int y() const { return m_location.y(); }
282 IntPoint location() const { return m_location; } 283 IntPoint location() const { return m_location; }
283 int stdDeviation() const { return m_stdDeviation; } 284 int stdDeviation() const { return m_stdDeviation; }
(...skipping 25 matching lines...) Expand all
309 int m_stdDeviation; 310 int m_stdDeviation;
310 Color m_color; 311 Color m_color;
311 }; 312 };
312 313
313 DEFINE_FILTER_OPERATION_TYPE_CASTS(DropShadowFilterOperation, DROP_SHADOW); 314 DEFINE_FILTER_OPERATION_TYPE_CASTS(DropShadowFilterOperation, DROP_SHADOW);
314 315
315 } // namespace WebCore 316 } // namespace WebCore
316 317
317 318
318 #endif // FilterOperation_h 319 #endif // FilterOperation_h
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