Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.graphics; |
| 18 | |
Xavier Ducrohet | 3054fe6 | 2010-12-06 10:11:44 -0800 | [diff] [blame^] | 19 | import com.android.layoutlib.bridge.Bridge; |
Xavier Ducrohet | 3bd9898 | 2010-11-09 18:25:03 -0800 | [diff] [blame] | 20 | import com.android.layoutlib.bridge.impl.DelegateManager; |
Xavier Ducrohet | f7c9207 | 2010-11-19 15:48:17 -0800 | [diff] [blame] | 21 | import com.android.layoutlib.bridge.impl.Stack; |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 22 | |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 23 | import android.graphics.Paint_Delegate.FontInfo; |
| 24 | import android.text.TextUtils; |
| 25 | |
| 26 | import java.awt.AlphaComposite; |
| 27 | import java.awt.BasicStroke; |
| 28 | import java.awt.Color; |
| 29 | import java.awt.Composite; |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 30 | import java.awt.Graphics2D; |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 31 | import java.awt.Rectangle; |
| 32 | import java.awt.RenderingHints; |
| 33 | import java.awt.geom.AffineTransform; |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 34 | import java.awt.image.BufferedImage; |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 35 | import java.util.List; |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 36 | |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 37 | |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 38 | /** |
| 39 | * Delegate implementing the native methods of android.graphics.Canvas |
| 40 | * |
| 41 | * Through the layoutlib_create tool, the original native methods of Canvas have been replaced |
| 42 | * by calls to methods of the same name in this delegate class. |
| 43 | * |
| 44 | * This class behaves like the original native implementation, but in Java, keeping previously |
| 45 | * native data into its own objects and mapping them to int that are sent back and forth between |
| 46 | * it and the original Canvas class. |
| 47 | * |
| 48 | * @see DelegateManager |
| 49 | * |
| 50 | */ |
| 51 | public class Canvas_Delegate { |
| 52 | |
| 53 | // ---- delegate manager ---- |
| 54 | private static final DelegateManager<Canvas_Delegate> sManager = |
| 55 | new DelegateManager<Canvas_Delegate>(); |
| 56 | |
| 57 | // ---- delegate helper data ---- |
| 58 | |
| 59 | // ---- delegate data ---- |
| 60 | private BufferedImage mBufferedImage; |
| 61 | private final Stack<Graphics2D> mGraphicsStack = new Stack<Graphics2D>(); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 62 | |
| 63 | // ---- Public Helper methods ---- |
| 64 | |
| 65 | /** |
| 66 | * Returns the native delegate associated to a given {@link Canvas} object. |
| 67 | */ |
| 68 | public static Canvas_Delegate getDelegate(Canvas canvas) { |
| 69 | return sManager.getDelegate(canvas.mNativeCanvas); |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Returns the native delegate associated to a given an int referencing a {@link Canvas} object. |
| 74 | */ |
| 75 | public static Canvas_Delegate getDelegate(int native_canvas) { |
| 76 | return sManager.getDelegate(native_canvas); |
| 77 | } |
| 78 | |
| 79 | /** |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 80 | * Returns the current {@link Graphics2D} used to draw. |
| 81 | */ |
| 82 | public Graphics2D getGraphics2d() { |
| 83 | return mGraphicsStack.peek(); |
| 84 | } |
| 85 | |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 86 | // ---- native methods ---- |
| 87 | |
| 88 | /*package*/ static boolean isOpaque(Canvas thisCanvas) { |
| 89 | // FIXME |
| 90 | throw new UnsupportedOperationException(); |
| 91 | } |
| 92 | |
| 93 | /*package*/ static int getWidth(Canvas thisCanvas) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 94 | // get the delegate from the native int. |
| 95 | Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| 96 | if (canvasDelegate == null) { |
| 97 | assert false; |
| 98 | return 0; |
| 99 | } |
| 100 | |
| 101 | return canvasDelegate.mBufferedImage.getWidth(); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | /*package*/ static int getHeight(Canvas thisCanvas) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 105 | // get the delegate from the native int. |
| 106 | Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| 107 | if (canvasDelegate == null) { |
| 108 | assert false; |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | return canvasDelegate.mBufferedImage.getHeight(); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 113 | } |
| 114 | |
| 115 | /*package*/ static void translate(Canvas thisCanvas, float dx, float dy) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 116 | // get the delegate from the native int. |
| 117 | Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| 118 | if (canvasDelegate == null) { |
| 119 | assert false; |
| 120 | return; |
| 121 | } |
| 122 | |
| 123 | canvasDelegate.getGraphics2d().translate(dx, dy); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 124 | } |
| 125 | |
| 126 | /*package*/ static void rotate(Canvas thisCanvas, float degrees) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 127 | // get the delegate from the native int. |
| 128 | Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| 129 | if (canvasDelegate == null) { |
| 130 | assert false; |
| 131 | return; |
| 132 | } |
| 133 | |
| 134 | canvasDelegate.getGraphics2d().rotate(Math.toRadians(degrees)); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 135 | } |
| 136 | |
| 137 | /*package*/ static void scale(Canvas thisCanvas, float sx, float sy) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 138 | // get the delegate from the native int. |
| 139 | Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| 140 | if (canvasDelegate == null) { |
| 141 | assert false; |
| 142 | return; |
| 143 | } |
| 144 | |
| 145 | canvasDelegate.getGraphics2d().scale(sx, sy); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 146 | } |
| 147 | |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 148 | /*package*/ static void skew(Canvas thisCanvas, float kx, float ky) { |
| 149 | // get the delegate from the native int. |
| 150 | Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| 151 | if (canvasDelegate == null) { |
| 152 | assert false; |
| 153 | return; |
| 154 | } |
| 155 | |
| 156 | // get the current top graphics2D object. |
| 157 | Graphics2D g = canvasDelegate.getGraphics2d(); |
| 158 | |
| 159 | // get its current matrix |
| 160 | AffineTransform currentTx = g.getTransform(); |
| 161 | // get the AffineTransform for the given skew. |
| 162 | float[] mtx = Matrix_Delegate.getSkew(kx, ky); |
| 163 | AffineTransform matrixTx = Matrix_Delegate.getAffineTransform(mtx); |
| 164 | |
| 165 | // combine them so that the given matrix is applied after. |
| 166 | currentTx.preConcatenate(matrixTx); |
| 167 | |
| 168 | // give it to the graphics2D as a new matrix replacing all previous transform |
| 169 | g.setTransform(currentTx); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | /*package*/ static boolean clipRect(Canvas thisCanvas, RectF rect) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 173 | return clipRect(thisCanvas, rect.left, rect.top, rect.right, rect.bottom); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | /*package*/ static boolean clipRect(Canvas thisCanvas, Rect rect) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 177 | return clipRect(thisCanvas, rect.left, rect.top, rect.right, rect.bottom); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | /*package*/ static boolean clipRect(Canvas thisCanvas, float left, float top, float right, |
| 181 | float bottom) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 182 | // get the delegate from the native int. |
| 183 | Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| 184 | if (canvasDelegate == null) { |
| 185 | assert false; |
| 186 | return false; |
| 187 | } |
| 188 | |
| 189 | canvasDelegate.getGraphics2d().clipRect((int)left, (int)top, (int)(right-left), |
| 190 | (int)(bottom-top)); |
| 191 | return true; |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 192 | } |
| 193 | |
| 194 | /*package*/ static boolean clipRect(Canvas thisCanvas, int left, int top, int right, |
| 195 | int bottom) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 196 | // get the delegate from the native int. |
| 197 | Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| 198 | if (canvasDelegate == null) { |
| 199 | assert false; |
| 200 | return false; |
| 201 | } |
| 202 | |
| 203 | canvasDelegate.getGraphics2d().clipRect(left, top, right - left, bottom - top); |
| 204 | return true; |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | /*package*/ static int save(Canvas thisCanvas) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 208 | // get the delegate from the native int. |
| 209 | Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| 210 | if (canvasDelegate == null) { |
| 211 | assert false; |
| 212 | return 0; |
| 213 | } |
| 214 | |
| 215 | // get the current save count |
| 216 | int count = canvasDelegate.mGraphicsStack.size(); |
| 217 | |
| 218 | // create a new graphics and add it to the stack |
| 219 | Graphics2D g = (Graphics2D)canvasDelegate.getGraphics2d().create(); |
| 220 | canvasDelegate.mGraphicsStack.push(g); |
| 221 | |
| 222 | // return the old save count |
| 223 | return count; |
| 224 | |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | /*package*/ static int save(Canvas thisCanvas, int saveFlags) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 228 | // FIXME implement save(flags) |
| 229 | return save(thisCanvas); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | /*package*/ static void restore(Canvas thisCanvas) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 233 | // get the delegate from the native int. |
| 234 | Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| 235 | if (canvasDelegate == null) { |
| 236 | assert false; |
| 237 | return; |
| 238 | } |
| 239 | |
| 240 | canvasDelegate.mGraphicsStack.pop(); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | /*package*/ static int getSaveCount(Canvas thisCanvas) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 244 | // get the delegate from the native int. |
| 245 | Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| 246 | if (canvasDelegate == null) { |
| 247 | assert false; |
| 248 | return 0; |
| 249 | } |
| 250 | |
| 251 | return canvasDelegate.mGraphicsStack.size(); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 252 | } |
| 253 | |
| 254 | /*package*/ static void restoreToCount(Canvas thisCanvas, int saveCount) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 255 | // get the delegate from the native int. |
| 256 | Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| 257 | if (canvasDelegate == null) { |
| 258 | assert false; |
| 259 | return; |
| 260 | } |
| 261 | |
| 262 | while (canvasDelegate.mGraphicsStack.size() > saveCount) { |
| 263 | canvasDelegate.mGraphicsStack.pop(); |
| 264 | } |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | /*package*/ static void drawPoints(Canvas thisCanvas, float[] pts, int offset, int count, |
| 268 | Paint paint) { |
| 269 | // FIXME |
| 270 | throw new UnsupportedOperationException(); |
| 271 | } |
| 272 | |
| 273 | /*package*/ static void drawPoint(Canvas thisCanvas, float x, float y, Paint paint) { |
| 274 | // FIXME |
| 275 | throw new UnsupportedOperationException(); |
| 276 | } |
| 277 | |
| 278 | /*package*/ static void drawLines(Canvas thisCanvas, float[] pts, int offset, int count, |
| 279 | Paint paint) { |
| 280 | // FIXME |
| 281 | throw new UnsupportedOperationException(); |
| 282 | } |
| 283 | |
| 284 | /*package*/ static void freeCaches() { |
| 285 | // FIXME |
| 286 | throw new UnsupportedOperationException(); |
| 287 | } |
| 288 | |
| 289 | /*package*/ static int initRaster(int nativeBitmapOrZero) { |
| 290 | if (nativeBitmapOrZero > 0) { |
| 291 | // get the Bitmap from the int |
| 292 | Bitmap_Delegate bitmapDelegate = Bitmap_Delegate.getDelegate(nativeBitmapOrZero); |
| 293 | |
| 294 | // create a new Canvas_Delegate with the given bitmap and return its new native int. |
| 295 | Canvas_Delegate newDelegate = new Canvas_Delegate(bitmapDelegate.getImage()); |
| 296 | |
| 297 | return sManager.addDelegate(newDelegate); |
| 298 | } else { |
| 299 | // create a new Canvas_Delegate and return its new native int. |
| 300 | Canvas_Delegate newDelegate = new Canvas_Delegate(); |
| 301 | |
| 302 | return sManager.addDelegate(newDelegate); |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | /*package*/ static void native_setBitmap(int nativeCanvas, int bitmap) { |
| 307 | // get the delegate from the native int. |
| 308 | Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| 309 | if (canvasDelegate == null) { |
| 310 | assert false; |
| 311 | return; |
| 312 | } |
| 313 | |
| 314 | // get the delegate from the native int. |
| 315 | Bitmap_Delegate bitmapDelegate = Bitmap_Delegate.getDelegate(bitmap); |
| 316 | if (bitmapDelegate == null) { |
| 317 | assert false; |
| 318 | return; |
| 319 | } |
| 320 | |
| 321 | canvasDelegate.setBitmap(bitmapDelegate.getImage()); |
| 322 | } |
| 323 | |
| 324 | /*package*/ static int native_saveLayer(int nativeCanvas, RectF bounds, |
| 325 | int paint, int layerFlags) { |
| 326 | // FIXME |
| 327 | throw new UnsupportedOperationException(); |
| 328 | } |
| 329 | |
| 330 | /*package*/ static int native_saveLayer(int nativeCanvas, float l, |
| 331 | float t, float r, float b, |
| 332 | int paint, int layerFlags) { |
| 333 | // FIXME |
| 334 | throw new UnsupportedOperationException(); |
| 335 | } |
| 336 | |
| 337 | /*package*/ static int native_saveLayerAlpha(int nativeCanvas, |
| 338 | RectF bounds, int alpha, |
| 339 | int layerFlags) { |
| 340 | // FIXME |
| 341 | throw new UnsupportedOperationException(); |
| 342 | } |
| 343 | |
| 344 | /*package*/ static int native_saveLayerAlpha(int nativeCanvas, float l, |
| 345 | float t, float r, float b, |
| 346 | int alpha, int layerFlags) { |
| 347 | // FIXME |
| 348 | throw new UnsupportedOperationException(); |
| 349 | } |
| 350 | |
| 351 | |
| 352 | /*package*/ static void native_concat(int nCanvas, int nMatrix) { |
Xavier Ducrohet | ddea50d | 2010-11-24 11:26:40 -0800 | [diff] [blame] | 353 | // get the delegate from the native int. |
| 354 | Canvas_Delegate canvasDelegate = sManager.getDelegate(nCanvas); |
| 355 | if (canvasDelegate == null) { |
| 356 | assert false; |
| 357 | return; |
| 358 | } |
| 359 | |
| 360 | Matrix_Delegate matrixDelegate = Matrix_Delegate.getDelegate(nMatrix); |
| 361 | if (matrixDelegate == null) { |
| 362 | assert false; |
| 363 | return; |
| 364 | } |
| 365 | |
| 366 | // get the current top graphics2D object. |
| 367 | Graphics2D g = canvasDelegate.getGraphics2d(); |
| 368 | |
| 369 | // get its current matrix |
| 370 | AffineTransform currentTx = g.getTransform(); |
| 371 | // get the AffineTransform of the given matrix |
| 372 | AffineTransform matrixTx = matrixDelegate.getAffineTransform(); |
| 373 | |
| 374 | // combine them so that the given matrix is applied after. |
| 375 | currentTx.preConcatenate(matrixTx); |
| 376 | |
| 377 | // give it to the graphics2D as a new matrix replacing all previous transform |
| 378 | g.setTransform(currentTx); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 379 | } |
| 380 | |
| 381 | /*package*/ static void native_setMatrix(int nCanvas, int nMatrix) { |
Xavier Ducrohet | ddea50d | 2010-11-24 11:26:40 -0800 | [diff] [blame] | 382 | // get the delegate from the native int. |
| 383 | Canvas_Delegate canvasDelegate = sManager.getDelegate(nCanvas); |
| 384 | if (canvasDelegate == null) { |
| 385 | assert false; |
| 386 | } |
| 387 | |
| 388 | Matrix_Delegate matrixDelegate = Matrix_Delegate.getDelegate(nMatrix); |
| 389 | if (matrixDelegate == null) { |
| 390 | assert false; |
| 391 | } |
| 392 | |
| 393 | // get the current top graphics2D object. |
| 394 | Graphics2D g = canvasDelegate.getGraphics2d(); |
| 395 | |
| 396 | // get the AffineTransform of the given matrix |
| 397 | AffineTransform matrixTx = matrixDelegate.getAffineTransform(); |
| 398 | |
| 399 | // give it to the graphics2D as a new matrix replacing all previous transform |
| 400 | g.setTransform(matrixTx); |
| 401 | |
Xavier Ducrohet | 3054fe6 | 2010-12-06 10:11:44 -0800 | [diff] [blame^] | 402 | if (matrixDelegate.hasPerspective()) { |
| 403 | Bridge.getLog().warning(null, |
| 404 | "android.graphics.Canvas#setMatrix(android.graphics.Matrix) only " + |
| 405 | "supports affine transformations in the Layout Preview."); |
| 406 | } |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 407 | } |
| 408 | |
| 409 | /*package*/ static boolean native_clipRect(int nCanvas, |
| 410 | float left, float top, |
| 411 | float right, float bottom, |
| 412 | int regionOp) { |
| 413 | // FIXME |
| 414 | throw new UnsupportedOperationException(); |
| 415 | } |
| 416 | |
| 417 | /*package*/ static boolean native_clipPath(int nativeCanvas, |
| 418 | int nativePath, |
| 419 | int regionOp) { |
| 420 | // FIXME |
| 421 | throw new UnsupportedOperationException(); |
| 422 | } |
| 423 | |
| 424 | /*package*/ static boolean native_clipRegion(int nativeCanvas, |
| 425 | int nativeRegion, |
| 426 | int regionOp) { |
| 427 | // FIXME |
| 428 | throw new UnsupportedOperationException(); |
| 429 | } |
| 430 | |
| 431 | /*package*/ static void nativeSetDrawFilter(int nativeCanvas, |
| 432 | int nativeFilter) { |
| 433 | // FIXME |
| 434 | throw new UnsupportedOperationException(); |
| 435 | } |
| 436 | |
| 437 | /*package*/ static boolean native_getClipBounds(int nativeCanvas, |
| 438 | Rect bounds) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 439 | // get the delegate from the native int. |
| 440 | Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| 441 | if (canvasDelegate == null) { |
| 442 | assert false; |
| 443 | return false; |
| 444 | } |
| 445 | |
| 446 | Rectangle rect = canvasDelegate.getGraphics2d().getClipBounds(); |
| 447 | if (rect != null) { |
| 448 | bounds.left = rect.x; |
| 449 | bounds.top = rect.y; |
| 450 | bounds.right = rect.x + rect.width; |
| 451 | bounds.bottom = rect.y + rect.height; |
| 452 | return true; |
| 453 | } |
| 454 | return false; |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 455 | } |
| 456 | |
| 457 | /*package*/ static void native_getCTM(int canvas, int matrix) { |
| 458 | // FIXME |
| 459 | throw new UnsupportedOperationException(); |
| 460 | } |
| 461 | |
| 462 | /*package*/ static boolean native_quickReject(int nativeCanvas, |
| 463 | RectF rect, |
| 464 | int native_edgeType) { |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 465 | // FIXME properly implement quickReject |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 466 | return false; |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 467 | } |
| 468 | |
| 469 | /*package*/ static boolean native_quickReject(int nativeCanvas, |
| 470 | int path, |
| 471 | int native_edgeType) { |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 472 | // FIXME properly implement quickReject |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 473 | return false; |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 474 | } |
| 475 | |
| 476 | /*package*/ static boolean native_quickReject(int nativeCanvas, |
| 477 | float left, float top, |
| 478 | float right, float bottom, |
| 479 | int native_edgeType) { |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 480 | // FIXME properly implement quickReject |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 481 | return false; |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 482 | } |
| 483 | |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 484 | /*package*/ static void native_drawRGB(int nativeCanvas, int r, int g, int b) { |
| 485 | native_drawColor(nativeCanvas, 0xFF000000 | r << 16 | (g&0xFF) << 8 | (b&0xFF), |
| 486 | PorterDuff.Mode.SRC_OVER.nativeInt); |
| 487 | |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 488 | } |
| 489 | |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 490 | /*package*/ static void native_drawARGB(int nativeCanvas, int a, int r, int g, int b) { |
| 491 | native_drawColor(nativeCanvas, a << 24 | (r&0xFF) << 16 | (g&0xFF) << 8 | (b&0xFF), |
| 492 | PorterDuff.Mode.SRC_OVER.nativeInt); |
| 493 | } |
| 494 | |
| 495 | /*package*/ static void native_drawColor(int nativeCanvas, int color) { |
| 496 | native_drawColor(nativeCanvas, color, PorterDuff.Mode.SRC_OVER.nativeInt); |
| 497 | } |
| 498 | |
| 499 | /*package*/ static void native_drawColor(int nativeCanvas, int color, int mode) { |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 500 | // get the delegate from the native int. |
| 501 | Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| 502 | if (canvasDelegate == null) { |
| 503 | assert false; |
| 504 | return; |
| 505 | } |
| 506 | |
| 507 | // get a new graphics context. |
| 508 | Graphics2D graphics = (Graphics2D)canvasDelegate.getGraphics2d().create(); |
| 509 | try { |
| 510 | // reset its transform just in case |
| 511 | graphics.setTransform(new AffineTransform()); |
| 512 | |
| 513 | // set the color |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 514 | graphics.setColor(new Color(color, true /*alpha*/)); |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 515 | |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 516 | setModeInGraphics(graphics, mode); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 517 | |
| 518 | graphics.fillRect(0, 0, canvasDelegate.mBufferedImage.getWidth(), |
| 519 | canvasDelegate.mBufferedImage.getHeight()); |
| 520 | } finally { |
| 521 | // dispose Graphics2D object |
| 522 | graphics.dispose(); |
| 523 | } |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 524 | } |
| 525 | |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 526 | /*package*/ static void native_drawPaint(int nativeCanvas, int paint) { |
| 527 | // FIXME |
| 528 | throw new UnsupportedOperationException(); |
| 529 | } |
| 530 | |
| 531 | /*package*/ static void native_drawLine(int nativeCanvas, float startX, |
| 532 | float startY, float stopX, |
| 533 | float stopY, int paint) { |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 534 | // get the delegate from the native int. |
| 535 | Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| 536 | if (canvasDelegate == null) { |
| 537 | assert false; |
| 538 | return; |
| 539 | } |
| 540 | |
| 541 | // get the delegate from the native int. |
| 542 | Paint_Delegate paintDelegate = Paint_Delegate.getDelegate(paint); |
| 543 | if (paintDelegate == null) { |
| 544 | assert false; |
| 545 | return; |
| 546 | } |
| 547 | |
| 548 | // get a Graphics2D object configured with the drawing parameters. |
| 549 | Graphics2D g = canvasDelegate.getCustomGraphics(paintDelegate); |
| 550 | |
| 551 | g.drawLine((int)startX, (int)startY, (int)stopX, (int)stopY); |
| 552 | |
| 553 | // dispose Graphics2D object |
| 554 | g.dispose(); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | /*package*/ static void native_drawRect(int nativeCanvas, RectF rect, |
| 558 | int paint) { |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 559 | native_drawRect(nativeCanvas, rect.left, rect.top, rect.right, rect.bottom, paint); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 560 | } |
| 561 | |
| 562 | /*package*/ static void native_drawRect(int nativeCanvas, float left, |
| 563 | float top, float right, |
| 564 | float bottom, int paint) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 565 | // get the delegate from the native int. |
| 566 | Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| 567 | if (canvasDelegate == null) { |
| 568 | assert false; |
| 569 | return; |
| 570 | } |
| 571 | |
| 572 | // get the delegate from the native int. |
| 573 | Paint_Delegate paintDelegate = Paint_Delegate.getDelegate(paint); |
| 574 | if (paintDelegate == null) { |
| 575 | assert false; |
| 576 | return; |
| 577 | } |
| 578 | |
| 579 | if (right > left && bottom > top) { |
| 580 | // get a Graphics2D object configured with the drawing parameters. |
| 581 | Graphics2D g = canvasDelegate.getCustomGraphics(paintDelegate); |
| 582 | |
| 583 | int style = paintDelegate.getStyle(); |
| 584 | |
| 585 | // draw |
| 586 | if (style == Paint.Style.FILL.nativeInt || |
| 587 | style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| 588 | g.fillRect((int)left, (int)top, (int)(right-left), (int)(bottom-top)); |
| 589 | } |
| 590 | |
| 591 | if (style == Paint.Style.STROKE.nativeInt || |
| 592 | style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| 593 | g.drawRect((int)left, (int)top, (int)(right-left), (int)(bottom-top)); |
| 594 | } |
| 595 | |
| 596 | // dispose Graphics2D object |
| 597 | g.dispose(); |
| 598 | } |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 599 | } |
| 600 | |
| 601 | /*package*/ static void native_drawOval(int nativeCanvas, RectF oval, |
| 602 | int paint) { |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 603 | // get the delegate from the native int. |
| 604 | Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| 605 | if (canvasDelegate == null) { |
| 606 | assert false; |
| 607 | return; |
| 608 | } |
| 609 | |
| 610 | // get the delegate from the native int. |
| 611 | Paint_Delegate paintDelegate = Paint_Delegate.getDelegate(paint); |
| 612 | if (paintDelegate == null) { |
| 613 | assert false; |
| 614 | return; |
| 615 | } |
| 616 | |
| 617 | if (oval.right > oval.left && oval.bottom > oval.top) { |
| 618 | // get a Graphics2D object configured with the drawing parameters. |
| 619 | Graphics2D g = canvasDelegate.getCustomGraphics(paintDelegate); |
| 620 | |
| 621 | int style = paintDelegate.getStyle(); |
| 622 | |
| 623 | // draw |
| 624 | if (style == Paint.Style.FILL.nativeInt || |
| 625 | style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| 626 | g.fillOval((int)oval.left, (int)oval.top, (int)oval.width(), (int)oval.height()); |
| 627 | } |
| 628 | |
| 629 | if (style == Paint.Style.STROKE.nativeInt || |
| 630 | style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| 631 | g.drawOval((int)oval.left, (int)oval.top, (int)oval.width(), (int)oval.height()); |
| 632 | } |
| 633 | |
| 634 | // dispose Graphics2D object |
| 635 | g.dispose(); |
| 636 | } |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 637 | } |
| 638 | |
| 639 | /*package*/ static void native_drawCircle(int nativeCanvas, float cx, |
| 640 | float cy, float radius, |
| 641 | int paint) { |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 642 | native_drawOval(nativeCanvas, |
| 643 | new RectF(cx - radius, cy - radius, radius*2, radius*2), |
| 644 | paint); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 645 | } |
| 646 | |
| 647 | /*package*/ static void native_drawArc(int nativeCanvas, RectF oval, |
| 648 | float startAngle, float sweep, |
| 649 | boolean useCenter, int paint) { |
| 650 | // FIXME |
| 651 | throw new UnsupportedOperationException(); |
| 652 | } |
| 653 | |
| 654 | /*package*/ static void native_drawRoundRect(int nativeCanvas, |
| 655 | RectF rect, float rx, |
| 656 | float ry, int paint) { |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 657 | // get the delegate from the native int. |
| 658 | Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| 659 | if (canvasDelegate == null) { |
| 660 | assert false; |
| 661 | return; |
| 662 | } |
| 663 | |
| 664 | // get the delegate from the native int. |
| 665 | Paint_Delegate paintDelegate = Paint_Delegate.getDelegate(paint); |
| 666 | if (paintDelegate == null) { |
| 667 | assert false; |
| 668 | return; |
| 669 | } |
| 670 | |
| 671 | if (rect.right > rect.left && rect.bottom > rect.top) { |
| 672 | // get a Graphics2D object configured with the drawing parameters. |
| 673 | Graphics2D g = canvasDelegate.getCustomGraphics(paintDelegate); |
| 674 | |
| 675 | int style = paintDelegate.getStyle(); |
| 676 | |
| 677 | // draw |
| 678 | if (style == Paint.Style.FILL.nativeInt || |
| 679 | style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| 680 | g.fillRoundRect( |
| 681 | (int)rect.left, (int)rect.top, (int)rect.width(), (int)rect.height(), |
| 682 | (int)rx, (int)ry); |
| 683 | } |
| 684 | |
| 685 | if (style == Paint.Style.STROKE.nativeInt || |
| 686 | style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| 687 | g.drawRoundRect( |
| 688 | (int)rect.left, (int)rect.top, (int)rect.width(), (int)rect.height(), |
| 689 | (int)rx, (int)ry); |
| 690 | } |
| 691 | |
| 692 | // dispose Graphics2D object |
| 693 | g.dispose(); |
| 694 | } |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 695 | } |
| 696 | |
| 697 | /*package*/ static void native_drawPath(int nativeCanvas, int path, |
| 698 | int paint) { |
| 699 | // FIXME |
| 700 | throw new UnsupportedOperationException(); |
| 701 | } |
| 702 | |
| 703 | /*package*/ static void native_drawBitmap(Canvas thisCanvas, int nativeCanvas, int bitmap, |
| 704 | float left, float top, |
| 705 | int nativePaintOrZero, |
| 706 | int canvasDensity, |
| 707 | int screenDensity, |
| 708 | int bitmapDensity) { |
| 709 | // FIXME |
| 710 | throw new UnsupportedOperationException(); |
| 711 | } |
| 712 | |
| 713 | /*package*/ static void native_drawBitmap(Canvas thisCanvas, int nativeCanvas, int bitmap, |
| 714 | Rect src, RectF dst, |
| 715 | int nativePaintOrZero, |
| 716 | int screenDensity, |
| 717 | int bitmapDensity) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 718 | // get the delegate from the native int. |
| 719 | Bitmap_Delegate bitmapDelegate = Bitmap_Delegate.getDelegate(bitmap); |
| 720 | if (bitmapDelegate == null) { |
| 721 | assert false; |
| 722 | return; |
| 723 | } |
| 724 | |
| 725 | BufferedImage image = bitmapDelegate.getImage(); |
| 726 | |
| 727 | if (src == null) { |
| 728 | drawBitmap(nativeCanvas, image, nativePaintOrZero, |
| 729 | 0, 0, image.getWidth(), image.getHeight(), |
| 730 | (int)dst.left, (int)dst.top, (int)dst.right, (int)dst.bottom); |
| 731 | } else { |
| 732 | drawBitmap(nativeCanvas, image, nativePaintOrZero, |
| 733 | src.left, src.top, src.width(), src.height(), |
| 734 | (int)dst.left, (int)dst.top, (int)dst.right, (int)dst.bottom); |
| 735 | } |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 736 | } |
| 737 | |
| 738 | /*package*/ static void native_drawBitmap(int nativeCanvas, int bitmap, |
| 739 | Rect src, Rect dst, |
| 740 | int nativePaintOrZero, |
| 741 | int screenDensity, |
| 742 | int bitmapDensity) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 743 | // get the delegate from the native int. |
| 744 | Bitmap_Delegate bitmapDelegate = Bitmap_Delegate.getDelegate(bitmap); |
| 745 | if (bitmapDelegate == null) { |
| 746 | assert false; |
| 747 | return; |
| 748 | } |
| 749 | |
| 750 | BufferedImage image = bitmapDelegate.getImage(); |
| 751 | |
| 752 | if (src == null) { |
| 753 | drawBitmap(nativeCanvas, image, nativePaintOrZero, |
| 754 | 0, 0, image.getWidth(), image.getHeight(), |
| 755 | dst.left, dst.top, dst.right, dst.bottom); |
| 756 | } else { |
| 757 | drawBitmap(nativeCanvas, image, nativePaintOrZero, |
| 758 | src.left, src.top, src.width(), src.height(), |
| 759 | dst.left, dst.top, dst.right, dst.bottom); |
| 760 | } |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 761 | } |
| 762 | |
| 763 | /*package*/ static void native_drawBitmap(int nativeCanvas, int[] colors, |
| 764 | int offset, int stride, float x, |
| 765 | float y, int width, int height, |
| 766 | boolean hasAlpha, |
| 767 | int nativePaintOrZero) { |
| 768 | // FIXME |
| 769 | throw new UnsupportedOperationException(); |
| 770 | } |
| 771 | |
| 772 | /*package*/ static void nativeDrawBitmapMatrix(int nCanvas, int nBitmap, |
| 773 | int nMatrix, int nPaint) { |
| 774 | // FIXME |
| 775 | throw new UnsupportedOperationException(); |
| 776 | } |
| 777 | |
| 778 | /*package*/ static void nativeDrawBitmapMesh(int nCanvas, int nBitmap, |
| 779 | int meshWidth, int meshHeight, |
| 780 | float[] verts, int vertOffset, |
| 781 | int[] colors, int colorOffset, int nPaint) { |
| 782 | // FIXME |
| 783 | throw new UnsupportedOperationException(); |
| 784 | } |
| 785 | |
| 786 | /*package*/ static void nativeDrawVertices(int nCanvas, int mode, int n, |
| 787 | float[] verts, int vertOffset, float[] texs, int texOffset, |
| 788 | int[] colors, int colorOffset, short[] indices, |
| 789 | int indexOffset, int indexCount, int nPaint) { |
| 790 | // FIXME |
| 791 | throw new UnsupportedOperationException(); |
| 792 | } |
| 793 | |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 794 | /*package*/ static void native_drawText(int nativeCanvas, char[] text, |
| 795 | int index, int count, float x, |
| 796 | float y, int flags, int paint) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 797 | // WARNING: the logic in this method is similar to Paint.measureText. |
| 798 | // Any change to this method should be reflected in Paint.measureText |
| 799 | |
| 800 | // get the delegate from the native int. |
| 801 | Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| 802 | if (canvasDelegate == null) { |
| 803 | assert false; |
| 804 | return; |
| 805 | } |
| 806 | |
| 807 | // get the delegate from the native int. |
| 808 | Paint_Delegate paintDelegate = Paint_Delegate.getDelegate(paint); |
| 809 | if (paintDelegate == null) { |
| 810 | assert false; |
| 811 | return; |
| 812 | } |
| 813 | |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 814 | Graphics2D g = (Graphics2D) canvasDelegate.getCustomGraphics(paintDelegate); |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 815 | try { |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 816 | // Paint.TextAlign indicates how the text is positioned relative to X. |
| 817 | // LEFT is the default and there's nothing to do. |
| 818 | if (paintDelegate.getTextAlign() != Paint.Align.LEFT.nativeInt) { |
| 819 | float m = paintDelegate.measureText(text, index, count); |
| 820 | if (paintDelegate.getTextAlign() == Paint.Align.CENTER.nativeInt) { |
| 821 | x -= m / 2; |
| 822 | } else if (paintDelegate.getTextAlign() == Paint.Align.RIGHT.nativeInt) { |
| 823 | x -= m; |
| 824 | } |
| 825 | } |
| 826 | |
| 827 | List<FontInfo> fonts = paintDelegate.getFonts(); |
| 828 | |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 829 | if (fonts.size() > 0) { |
| 830 | FontInfo mainFont = fonts.get(0); |
| 831 | int i = index; |
| 832 | int lastIndex = index + count; |
| 833 | while (i < lastIndex) { |
| 834 | // always start with the main font. |
| 835 | int upTo = mainFont.mFont.canDisplayUpTo(text, i, lastIndex); |
| 836 | if (upTo == -1) { |
| 837 | // draw all the rest and exit. |
| 838 | g.setFont(mainFont.mFont); |
| 839 | g.drawChars(text, i, lastIndex - i, (int)x, (int)y); |
| 840 | return; |
| 841 | } else if (upTo > 0) { |
| 842 | // draw what's possible |
| 843 | g.setFont(mainFont.mFont); |
| 844 | g.drawChars(text, i, upTo - i, (int)x, (int)y); |
| 845 | |
| 846 | // compute the width that was drawn to increase x |
| 847 | x += mainFont.mMetrics.charsWidth(text, i, upTo - i); |
| 848 | |
| 849 | // move index to the first non displayed char. |
| 850 | i = upTo; |
| 851 | |
| 852 | // don't call continue at this point. Since it is certain the main font |
| 853 | // cannot display the font a index upTo (now ==i), we move on to the |
| 854 | // fallback fonts directly. |
| 855 | } |
| 856 | |
| 857 | // no char supported, attempt to read the next char(s) with the |
| 858 | // fallback font. In this case we only test the first character |
| 859 | // and then go back to test with the main font. |
| 860 | // Special test for 2-char characters. |
| 861 | boolean foundFont = false; |
| 862 | for (int f = 1 ; f < fonts.size() ; f++) { |
| 863 | FontInfo fontInfo = fonts.get(f); |
| 864 | |
| 865 | // need to check that the font can display the character. We test |
| 866 | // differently if the char is a high surrogate. |
| 867 | int charCount = Character.isHighSurrogate(text[i]) ? 2 : 1; |
| 868 | upTo = fontInfo.mFont.canDisplayUpTo(text, i, i + charCount); |
| 869 | if (upTo == -1) { |
| 870 | // draw that char |
| 871 | g.setFont(fontInfo.mFont); |
| 872 | g.drawChars(text, i, charCount, (int)x, (int)y); |
| 873 | |
| 874 | // update x |
| 875 | x += fontInfo.mMetrics.charsWidth(text, i, charCount); |
| 876 | |
| 877 | // update the index in the text, and move on |
| 878 | i += charCount; |
| 879 | foundFont = true; |
| 880 | break; |
| 881 | |
| 882 | } |
| 883 | } |
| 884 | |
| 885 | // in case no font can display the char, display it with the main font. |
| 886 | // (it'll put a square probably) |
| 887 | if (foundFont == false) { |
| 888 | int charCount = Character.isHighSurrogate(text[i]) ? 2 : 1; |
| 889 | |
| 890 | g.setFont(mainFont.mFont); |
| 891 | g.drawChars(text, i, charCount, (int)x, (int)y); |
| 892 | |
| 893 | // measure it to advance x |
| 894 | x += mainFont.mMetrics.charsWidth(text, i, charCount); |
| 895 | |
| 896 | // and move to the next chars. |
| 897 | i += charCount; |
| 898 | } |
| 899 | } |
| 900 | } |
| 901 | } finally { |
| 902 | g.dispose(); |
| 903 | } |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 904 | } |
| 905 | |
| 906 | /*package*/ static void native_drawText(int nativeCanvas, String text, |
| 907 | int start, int end, float x, |
| 908 | float y, int flags, int paint) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 909 | int count = end - start; |
| 910 | char[] buffer = TemporaryBuffer.obtain(count); |
| 911 | TextUtils.getChars(text, start, end, buffer, 0); |
| 912 | |
| 913 | native_drawText(nativeCanvas, buffer, 0, count, x, y, flags, paint); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 914 | } |
| 915 | |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 916 | /*package*/ static void native_drawTextRun(int nativeCanvas, String text, |
| 917 | int start, int end, int contextStart, int contextEnd, |
| 918 | float x, float y, int flags, int paint) { |
Xavier Ducrohet | 571dce7 | 2010-11-04 18:04:27 -0700 | [diff] [blame] | 919 | int count = end - start; |
| 920 | char[] buffer = TemporaryBuffer.obtain(count); |
| 921 | TextUtils.getChars(text, start, end, buffer, 0); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 922 | |
Xavier Ducrohet | 571dce7 | 2010-11-04 18:04:27 -0700 | [diff] [blame] | 923 | native_drawText(nativeCanvas, buffer, start, end, x, y, flags, paint); |
| 924 | } |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 925 | |
| 926 | /*package*/ static void native_drawTextRun(int nativeCanvas, char[] text, |
| 927 | int start, int count, int contextStart, int contextCount, |
| 928 | float x, float y, int flags, int paint) { |
Xavier Ducrohet | 571dce7 | 2010-11-04 18:04:27 -0700 | [diff] [blame] | 929 | native_drawText(nativeCanvas, text, 0, count, x, y, flags, paint); |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 930 | } |
| 931 | |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 932 | /*package*/ static void native_drawPosText(int nativeCanvas, |
| 933 | char[] text, int index, |
| 934 | int count, float[] pos, |
| 935 | int paint) { |
| 936 | // FIXME |
| 937 | throw new UnsupportedOperationException(); |
| 938 | } |
| 939 | |
| 940 | /*package*/ static void native_drawPosText(int nativeCanvas, |
| 941 | String text, float[] pos, |
| 942 | int paint) { |
| 943 | // FIXME |
| 944 | throw new UnsupportedOperationException(); |
| 945 | } |
| 946 | |
| 947 | /*package*/ static void native_drawTextOnPath(int nativeCanvas, |
| 948 | char[] text, int index, |
| 949 | int count, int path, |
| 950 | float hOffset, |
| 951 | float vOffset, int bidiFlags, |
| 952 | int paint) { |
| 953 | // FIXME |
| 954 | throw new UnsupportedOperationException(); |
| 955 | } |
| 956 | |
| 957 | /*package*/ static void native_drawTextOnPath(int nativeCanvas, |
| 958 | String text, int path, |
| 959 | float hOffset, |
| 960 | float vOffset, |
| 961 | int flags, int paint) { |
| 962 | // FIXME |
| 963 | throw new UnsupportedOperationException(); |
| 964 | } |
| 965 | |
| 966 | /*package*/ static void native_drawPicture(int nativeCanvas, |
| 967 | int nativePicture) { |
| 968 | // FIXME |
| 969 | throw new UnsupportedOperationException(); |
| 970 | } |
| 971 | |
| 972 | /*package*/ static void finalizer(int nativeCanvas) { |
Xavier Ducrohet | 1392615 | 2010-12-01 12:28:43 -0800 | [diff] [blame] | 973 | // get the delegate from the native int so that it can be disposed. |
| 974 | Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| 975 | if (canvasDelegate == null) { |
| 976 | assert false; |
| 977 | return; |
| 978 | } |
| 979 | |
| 980 | canvasDelegate.dispose(); |
| 981 | |
| 982 | // remove it from the manager. |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 983 | sManager.removeDelegate(nativeCanvas); |
| 984 | } |
| 985 | |
| 986 | // ---- Private delegate/helper methods ---- |
| 987 | |
| 988 | private Canvas_Delegate(BufferedImage image) { |
| 989 | setBitmap(image); |
| 990 | } |
| 991 | |
| 992 | private Canvas_Delegate() { |
| 993 | } |
| 994 | |
Xavier Ducrohet | 1392615 | 2010-12-01 12:28:43 -0800 | [diff] [blame] | 995 | /** |
| 996 | * Disposes of the {@link Graphics2D} stack. |
| 997 | */ |
| 998 | private void dispose() { |
| 999 | while (mGraphicsStack.size() > 0) { |
| 1000 | mGraphicsStack.pop().dispose(); |
| 1001 | } |
| 1002 | } |
| 1003 | |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 1004 | private void setBitmap(BufferedImage image) { |
| 1005 | mBufferedImage = image; |
| 1006 | mGraphicsStack.push(mBufferedImage.createGraphics()); |
| 1007 | } |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 1008 | |
| 1009 | /** |
| 1010 | * Creates a new {@link Graphics2D} based on the {@link Paint} parameters. |
| 1011 | * <p/>The object must be disposed ({@link Graphics2D#dispose()}) after being used. |
| 1012 | */ |
Xavier Ducrohet | e4d9787 | 2010-11-22 20:09:55 -0800 | [diff] [blame] | 1013 | /*package*/ Graphics2D getCustomGraphics(Paint_Delegate paint) { |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 1014 | // make new one |
| 1015 | Graphics2D g = getGraphics2d(); |
| 1016 | g = (Graphics2D)g.create(); |
| 1017 | |
Xavier Ducrohet | 3cff572 | 2010-11-03 17:40:17 -0700 | [diff] [blame] | 1018 | // configure it |
| 1019 | |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1020 | if (paint.isAntiAliased()) { |
| 1021 | g.setRenderingHint( |
| 1022 | RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 1023 | g.setRenderingHint( |
| 1024 | RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1025 | } |
| 1026 | |
Xavier Ducrohet | 3cff572 | 2010-11-03 17:40:17 -0700 | [diff] [blame] | 1027 | boolean useColorPaint = true; |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 1028 | |
Xavier Ducrohet | 3cff572 | 2010-11-03 17:40:17 -0700 | [diff] [blame] | 1029 | // get the shader first, as it'll replace the color if it can be used it. |
| 1030 | Shader_Delegate shaderDelegate = Shader_Delegate.getDelegate(paint.getShader()); |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 1031 | if (shaderDelegate != null) { |
| 1032 | java.awt.Paint shaderPaint = shaderDelegate.getJavaPaint(); |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 1033 | if (shaderPaint != null) { |
| 1034 | g.setPaint(shaderPaint); |
Xavier Ducrohet | 3cff572 | 2010-11-03 17:40:17 -0700 | [diff] [blame] | 1035 | useColorPaint = false; |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 1036 | } else { |
Xavier Ducrohet | 3054fe6 | 2010-12-06 10:11:44 -0800 | [diff] [blame^] | 1037 | Bridge.getLog().warning(null, |
| 1038 | String.format( |
| 1039 | "Shader '%1$s' is not supported in the Layout Preview.", |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 1040 | shaderDelegate.getClass().getCanonicalName())); |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 1041 | } |
| 1042 | } |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 1043 | |
Xavier Ducrohet | 3cff572 | 2010-11-03 17:40:17 -0700 | [diff] [blame] | 1044 | if (useColorPaint) { |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1045 | g.setColor(new Color(paint.getColor(), true /*hasAlpha*/)); |
Xavier Ducrohet | 3cff572 | 2010-11-03 17:40:17 -0700 | [diff] [blame] | 1046 | } |
| 1047 | |
| 1048 | int style = paint.getStyle(); |
| 1049 | if (style == Paint.Style.STROKE.nativeInt || |
| 1050 | style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| 1051 | |
| 1052 | PathEffect_Delegate effectDelegate = PathEffect_Delegate.getDelegate( |
| 1053 | paint.getPathEffect()); |
| 1054 | |
| 1055 | if (effectDelegate instanceof DashPathEffect_Delegate) { |
| 1056 | DashPathEffect_Delegate dpe = (DashPathEffect_Delegate)effectDelegate; |
| 1057 | g.setStroke(new BasicStroke( |
| 1058 | paint.getStrokeWidth(), |
| 1059 | paint.getJavaCap(), |
| 1060 | paint.getJavaJoin(), |
| 1061 | paint.getStrokeMiter(), |
| 1062 | dpe.getIntervals(), |
| 1063 | dpe.getPhase())); |
| 1064 | } else { |
| 1065 | g.setStroke(new BasicStroke( |
| 1066 | paint.getStrokeWidth(), |
| 1067 | paint.getJavaCap(), |
| 1068 | paint.getJavaJoin(), |
| 1069 | paint.getStrokeMiter())); |
| 1070 | } |
| 1071 | } |
| 1072 | |
| 1073 | Xfermode_Delegate xfermodeDelegate = Xfermode_Delegate.getDelegate(paint.getXfermode()); |
| 1074 | if (xfermodeDelegate instanceof PorterDuffXfermode_Delegate) { |
| 1075 | int mode = ((PorterDuffXfermode_Delegate)xfermodeDelegate).getMode(); |
| 1076 | |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1077 | setModeInGraphics(g, mode); |
Xavier Ducrohet | 3cff572 | 2010-11-03 17:40:17 -0700 | [diff] [blame] | 1078 | } else { |
| 1079 | // default mode is src_over |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1080 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER)); |
Xavier Ducrohet | 3cff572 | 2010-11-03 17:40:17 -0700 | [diff] [blame] | 1081 | |
| 1082 | // if xfermode wasn't null, then it's something we don't support. log it. |
Xavier Ducrohet | 3054fe6 | 2010-12-06 10:11:44 -0800 | [diff] [blame^] | 1083 | if (xfermodeDelegate != null) { |
| 1084 | Bridge.getLog().warning(null, |
| 1085 | String.format( |
| 1086 | "Xfermode '%1$s' is not supported in the Layout Preview.", |
| 1087 | xfermodeDelegate.getClass().getCanonicalName())); |
Xavier Ducrohet | 3cff572 | 2010-11-03 17:40:17 -0700 | [diff] [blame] | 1088 | } |
| 1089 | } |
| 1090 | |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 1091 | return g; |
| 1092 | } |
| 1093 | |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1094 | private static void setModeInGraphics(Graphics2D g, int mode) { |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 1095 | for (PorterDuff.Mode m : PorterDuff.Mode.values()) { |
| 1096 | if (m.nativeInt == mode) { |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1097 | setModeInGraphics(g, m); |
Xavier Ducrohet | f1a17452 | 2010-11-01 22:02:08 -0700 | [diff] [blame] | 1098 | return; |
| 1099 | } |
| 1100 | } |
| 1101 | } |
| 1102 | |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1103 | private static void setModeInGraphics(Graphics2D g, PorterDuff.Mode mode) { |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1104 | switch (mode) { |
| 1105 | case CLEAR: |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1106 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR, 1.0f /*alpha*/)); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1107 | break; |
| 1108 | case DARKEN: |
| 1109 | break; |
| 1110 | case DST: |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1111 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.DST, 1.0f /*alpha*/)); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1112 | break; |
| 1113 | case DST_ATOP: |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1114 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_ATOP, 1.0f /*alpha*/)); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1115 | break; |
| 1116 | case DST_IN: |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1117 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_IN, 1.0f /*alpha*/)); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1118 | break; |
| 1119 | case DST_OUT: |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1120 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_OUT, 1.0f /*alpha*/)); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1121 | break; |
| 1122 | case DST_OVER: |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1123 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_OVER, 1.0f /*alpha*/)); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1124 | break; |
| 1125 | case LIGHTEN: |
| 1126 | break; |
| 1127 | case MULTIPLY: |
| 1128 | break; |
| 1129 | case SCREEN: |
| 1130 | break; |
| 1131 | case SRC: |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1132 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, 1.0f /*alpha*/)); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1133 | break; |
| 1134 | case SRC_ATOP: |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1135 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, 1.0f /*alpha*/)); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1136 | break; |
| 1137 | case SRC_IN: |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1138 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_IN, 1.0f /*alpha*/)); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1139 | break; |
| 1140 | case SRC_OUT: |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1141 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OUT, 1.0f /*alpha*/)); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1142 | break; |
| 1143 | case SRC_OVER: |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1144 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f /*alpha*/)); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1145 | break; |
| 1146 | case XOR: |
Xavier Ducrohet | 70a04aa | 2010-11-12 14:20:45 -0800 | [diff] [blame] | 1147 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.XOR, 1.0f /*alpha*/)); |
Xavier Ducrohet | a313b65 | 2010-11-01 18:45:20 -0700 | [diff] [blame] | 1148 | break; |
| 1149 | } |
| 1150 | } |
| 1151 | |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 1152 | |
| 1153 | private static void drawBitmap( |
| 1154 | int nativeCanvas, |
| 1155 | BufferedImage image, |
| 1156 | int nativePaintOrZero, |
| 1157 | int sleft, int stop, int sright, int sbottom, |
| 1158 | int dleft, int dtop, int dright, int dbottom) { |
| 1159 | // get the delegate from the native int. |
| 1160 | Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| 1161 | if (canvasDelegate == null) { |
| 1162 | assert false; |
| 1163 | return; |
| 1164 | } |
| 1165 | |
| 1166 | // get the delegate from the native int. |
| 1167 | Paint_Delegate paintDelegate = null; |
| 1168 | if (nativePaintOrZero > 0) { |
| 1169 | paintDelegate = Paint_Delegate.getDelegate(nativePaintOrZero); |
| 1170 | if (paintDelegate == null) { |
| 1171 | assert false; |
| 1172 | return; |
| 1173 | } |
| 1174 | } |
| 1175 | |
| 1176 | drawBitmap(canvasDelegate, image, paintDelegate, |
| 1177 | sleft, stop, sright, sbottom, |
| 1178 | dleft, dtop, dright, dbottom); |
| 1179 | } |
| 1180 | |
| 1181 | private static void drawBitmap( |
| 1182 | Canvas_Delegate canvasDelegate, |
| 1183 | BufferedImage image, |
| 1184 | Paint_Delegate paintDelegate, |
| 1185 | int sleft, int stop, int sright, int sbottom, |
| 1186 | int dleft, int dtop, int dright, int dbottom) { |
| 1187 | |
| 1188 | Graphics2D g = canvasDelegate.getGraphics2d(); |
| 1189 | |
| 1190 | Composite c = null; |
| 1191 | |
| 1192 | if (paintDelegate != null) { |
| 1193 | if (paintDelegate.isFilterBitmap()) { |
| 1194 | g = (Graphics2D)g.create(); |
| 1195 | g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, |
| 1196 | RenderingHints.VALUE_INTERPOLATION_BILINEAR); |
| 1197 | } |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 1198 | } |
| 1199 | |
| 1200 | g.drawImage(image, dleft, dtop, dright, dbottom, |
| 1201 | sleft, stop, sright, sbottom, null); |
| 1202 | |
| 1203 | if (paintDelegate != null) { |
| 1204 | if (paintDelegate.isFilterBitmap()) { |
| 1205 | g.dispose(); |
| 1206 | } |
| 1207 | if (c != null) { |
| 1208 | g.setComposite(c); |
| 1209 | } |
| 1210 | } |
| 1211 | } |
| 1212 | |
Xavier Ducrohet | ef44aea | 2010-10-28 11:52:00 -0700 | [diff] [blame] | 1213 | } |
Xavier Ducrohet | 37f2180 | 2010-11-01 16:17:18 -0700 | [diff] [blame] | 1214 | |