SkNWayCanvas.cpp 10 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365
  1. /*
  2. * Copyright 2011 Google Inc.
  3. *
  4. * Use of this source code is governed by a BSD-style license that can be
  5. * found in the LICENSE file.
  6. */
  7. #include "include/utils/SkNWayCanvas.h"
  8. #include "src/core/SkCanvasPriv.h"
  9. SkNWayCanvas::SkNWayCanvas(int width, int height) : INHERITED(width, height) {}
  10. SkNWayCanvas::~SkNWayCanvas() {
  11. this->removeAll();
  12. }
  13. void SkNWayCanvas::addCanvas(SkCanvas* canvas) {
  14. if (canvas) {
  15. *fList.append() = canvas;
  16. }
  17. }
  18. void SkNWayCanvas::removeCanvas(SkCanvas* canvas) {
  19. int index = fList.find(canvas);
  20. if (index >= 0) {
  21. fList.removeShuffle(index);
  22. }
  23. }
  24. void SkNWayCanvas::removeAll() {
  25. fList.reset();
  26. }
  27. ///////////////////////////////////////////////////////////////////////////
  28. // These are forwarded to the N canvases we're referencing
  29. class SkNWayCanvas::Iter {
  30. public:
  31. Iter(const SkTDArray<SkCanvas*>& list) : fList(list) {
  32. fIndex = 0;
  33. }
  34. bool next() {
  35. if (fIndex < fList.count()) {
  36. fCanvas = fList[fIndex++];
  37. return true;
  38. }
  39. return false;
  40. }
  41. SkCanvas* operator->() { return fCanvas; }
  42. SkCanvas* get() const { return fCanvas; }
  43. private:
  44. const SkTDArray<SkCanvas*>& fList;
  45. int fIndex;
  46. SkCanvas* fCanvas;
  47. };
  48. void SkNWayCanvas::willSave() {
  49. Iter iter(fList);
  50. while (iter.next()) {
  51. iter->save();
  52. }
  53. this->INHERITED::willSave();
  54. }
  55. SkCanvas::SaveLayerStrategy SkNWayCanvas::getSaveLayerStrategy(const SaveLayerRec& rec) {
  56. Iter iter(fList);
  57. while (iter.next()) {
  58. iter->saveLayer(rec);
  59. }
  60. this->INHERITED::getSaveLayerStrategy(rec);
  61. // No need for a layer.
  62. return kNoLayer_SaveLayerStrategy;
  63. }
  64. bool SkNWayCanvas::onDoSaveBehind(const SkRect* bounds) {
  65. Iter iter(fList);
  66. while (iter.next()) {
  67. SkCanvasPriv::SaveBehind(iter.get(), bounds);
  68. }
  69. this->INHERITED::onDoSaveBehind(bounds);
  70. return false;
  71. }
  72. void SkNWayCanvas::willRestore() {
  73. Iter iter(fList);
  74. while (iter.next()) {
  75. iter->restore();
  76. }
  77. this->INHERITED::willRestore();
  78. }
  79. void SkNWayCanvas::didConcat(const SkMatrix& matrix) {
  80. Iter iter(fList);
  81. while (iter.next()) {
  82. iter->concat(matrix);
  83. }
  84. this->INHERITED::didConcat(matrix);
  85. }
  86. void SkNWayCanvas::didSetMatrix(const SkMatrix& matrix) {
  87. Iter iter(fList);
  88. while (iter.next()) {
  89. iter->setMatrix(matrix);
  90. }
  91. this->INHERITED::didSetMatrix(matrix);
  92. }
  93. void SkNWayCanvas::onClipRect(const SkRect& rect, SkClipOp op, ClipEdgeStyle edgeStyle) {
  94. Iter iter(fList);
  95. while (iter.next()) {
  96. iter->clipRect(rect, op, kSoft_ClipEdgeStyle == edgeStyle);
  97. }
  98. this->INHERITED::onClipRect(rect, op, edgeStyle);
  99. }
  100. void SkNWayCanvas::onClipRRect(const SkRRect& rrect, SkClipOp op, ClipEdgeStyle edgeStyle) {
  101. Iter iter(fList);
  102. while (iter.next()) {
  103. iter->clipRRect(rrect, op, kSoft_ClipEdgeStyle == edgeStyle);
  104. }
  105. this->INHERITED::onClipRRect(rrect, op, edgeStyle);
  106. }
  107. void SkNWayCanvas::onClipPath(const SkPath& path, SkClipOp op, ClipEdgeStyle edgeStyle) {
  108. Iter iter(fList);
  109. while (iter.next()) {
  110. iter->clipPath(path, op, kSoft_ClipEdgeStyle == edgeStyle);
  111. }
  112. this->INHERITED::onClipPath(path, op, edgeStyle);
  113. }
  114. void SkNWayCanvas::onClipRegion(const SkRegion& deviceRgn, SkClipOp op) {
  115. Iter iter(fList);
  116. while (iter.next()) {
  117. iter->clipRegion(deviceRgn, op);
  118. }
  119. this->INHERITED::onClipRegion(deviceRgn, op);
  120. }
  121. void SkNWayCanvas::onDrawPaint(const SkPaint& paint) {
  122. Iter iter(fList);
  123. while (iter.next()) {
  124. iter->drawPaint(paint);
  125. }
  126. }
  127. void SkNWayCanvas::onDrawBehind(const SkPaint& paint) {
  128. Iter iter(fList);
  129. while (iter.next()) {
  130. SkCanvasPriv::DrawBehind(iter.get(), paint);
  131. }
  132. }
  133. void SkNWayCanvas::onDrawPoints(PointMode mode, size_t count, const SkPoint pts[],
  134. const SkPaint& paint) {
  135. Iter iter(fList);
  136. while (iter.next()) {
  137. iter->drawPoints(mode, count, pts, paint);
  138. }
  139. }
  140. void SkNWayCanvas::onDrawRect(const SkRect& rect, const SkPaint& paint) {
  141. Iter iter(fList);
  142. while (iter.next()) {
  143. iter->drawRect(rect, paint);
  144. }
  145. }
  146. void SkNWayCanvas::onDrawRegion(const SkRegion& region, const SkPaint& paint) {
  147. Iter iter(fList);
  148. while (iter.next()) {
  149. iter->drawRegion(region, paint);
  150. }
  151. }
  152. void SkNWayCanvas::onDrawOval(const SkRect& rect, const SkPaint& paint) {
  153. Iter iter(fList);
  154. while (iter.next()) {
  155. iter->drawOval(rect, paint);
  156. }
  157. }
  158. void SkNWayCanvas::onDrawArc(const SkRect& rect, SkScalar startAngle, SkScalar sweepAngle,
  159. bool useCenter, const SkPaint& paint) {
  160. Iter iter(fList);
  161. while (iter.next()) {
  162. iter->drawArc(rect, startAngle, sweepAngle, useCenter, paint);
  163. }
  164. }
  165. void SkNWayCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) {
  166. Iter iter(fList);
  167. while (iter.next()) {
  168. iter->drawRRect(rrect, paint);
  169. }
  170. }
  171. void SkNWayCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) {
  172. Iter iter(fList);
  173. while (iter.next()) {
  174. iter->drawDRRect(outer, inner, paint);
  175. }
  176. }
  177. void SkNWayCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
  178. Iter iter(fList);
  179. while (iter.next()) {
  180. iter->drawPath(path, paint);
  181. }
  182. }
  183. void SkNWayCanvas::onDrawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y,
  184. const SkPaint* paint) {
  185. Iter iter(fList);
  186. while (iter.next()) {
  187. iter->drawBitmap(bitmap, x, y, paint);
  188. }
  189. }
  190. void SkNWayCanvas::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
  191. const SkPaint* paint, SrcRectConstraint constraint) {
  192. Iter iter(fList);
  193. while (iter.next()) {
  194. iter->legacy_drawBitmapRect(bitmap, src, dst, paint, (SrcRectConstraint)constraint);
  195. }
  196. }
  197. void SkNWayCanvas::onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
  198. const SkRect& dst, const SkPaint* paint) {
  199. Iter iter(fList);
  200. while (iter.next()) {
  201. iter->drawBitmapNine(bitmap, center, dst, paint);
  202. }
  203. }
  204. void SkNWayCanvas::onDrawBitmapLattice(const SkBitmap& bitmap, const Lattice& lattice,
  205. const SkRect& dst, const SkPaint* paint) {
  206. Iter iter(fList);
  207. while (iter.next()) {
  208. iter->drawBitmapLattice(bitmap, lattice, dst, paint);
  209. }
  210. }
  211. void SkNWayCanvas::onDrawImage(const SkImage* image, SkScalar left, SkScalar top,
  212. const SkPaint* paint) {
  213. Iter iter(fList);
  214. while (iter.next()) {
  215. iter->drawImage(image, left, top, paint);
  216. }
  217. }
  218. void SkNWayCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
  219. const SkPaint* paint, SrcRectConstraint constraint) {
  220. Iter iter(fList);
  221. while (iter.next()) {
  222. iter->legacy_drawImageRect(image, src, dst, paint, constraint);
  223. }
  224. }
  225. void SkNWayCanvas::onDrawImageNine(const SkImage* image, const SkIRect& center, const SkRect& dst,
  226. const SkPaint* paint) {
  227. Iter iter(fList);
  228. while (iter.next()) {
  229. iter->drawImageNine(image, center, dst, paint);
  230. }
  231. }
  232. void SkNWayCanvas::onDrawImageLattice(const SkImage* image, const Lattice& lattice,
  233. const SkRect& dst, const SkPaint* paint) {
  234. Iter iter(fList);
  235. while (iter.next()) {
  236. iter->drawImageLattice(image, lattice, dst, paint);
  237. }
  238. }
  239. void SkNWayCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
  240. const SkPaint &paint) {
  241. Iter iter(fList);
  242. while (iter.next()) {
  243. iter->drawTextBlob(blob, x, y, paint);
  244. }
  245. }
  246. void SkNWayCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
  247. const SkPaint* paint) {
  248. Iter iter(fList);
  249. while (iter.next()) {
  250. iter->drawPicture(picture, matrix, paint);
  251. }
  252. }
  253. void SkNWayCanvas::onDrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) {
  254. Iter iter(fList);
  255. while (iter.next()) {
  256. iter->drawDrawable(drawable, matrix);
  257. }
  258. }
  259. void SkNWayCanvas::onDrawVerticesObject(const SkVertices* vertices, const SkVertices::Bone bones[],
  260. int boneCount, SkBlendMode bmode, const SkPaint& paint) {
  261. Iter iter(fList);
  262. while (iter.next()) {
  263. iter->drawVertices(vertices, bones, boneCount, bmode, paint);
  264. }
  265. }
  266. void SkNWayCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
  267. const SkPoint texCoords[4], SkBlendMode bmode,
  268. const SkPaint& paint) {
  269. Iter iter(fList);
  270. while (iter.next()) {
  271. iter->drawPatch(cubics, colors, texCoords, bmode, paint);
  272. }
  273. }
  274. void SkNWayCanvas::onDrawAtlas(const SkImage* image, const SkRSXform xform[], const SkRect tex[],
  275. const SkColor colors[], int count, SkBlendMode bmode,
  276. const SkRect* cull, const SkPaint* paint) {
  277. Iter iter(fList);
  278. while (iter.next()) {
  279. iter->drawAtlas(image, xform, tex, colors, count, bmode, cull, paint);
  280. }
  281. }
  282. void SkNWayCanvas::onDrawShadowRec(const SkPath& path, const SkDrawShadowRec& rec) {
  283. Iter iter(fList);
  284. while (iter.next()) {
  285. iter->private_draw_shadow_rec(path, rec);
  286. }
  287. }
  288. void SkNWayCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* data) {
  289. Iter iter(fList);
  290. while (iter.next()) {
  291. iter->drawAnnotation(rect, key, data);
  292. }
  293. }
  294. void SkNWayCanvas::onDrawEdgeAAQuad(const SkRect& rect, const SkPoint clip[4],
  295. QuadAAFlags aa, SkColor color, SkBlendMode mode) {
  296. Iter iter(fList);
  297. while (iter.next()) {
  298. iter->experimental_DrawEdgeAAQuad(rect, clip, aa, color, mode);
  299. }
  300. }
  301. void SkNWayCanvas::onDrawEdgeAAImageSet(const ImageSetEntry set[], int count,
  302. const SkPoint dstClips[], const SkMatrix preViewMatrices[],
  303. const SkPaint* paint, SrcRectConstraint constraint) {
  304. Iter iter(fList);
  305. while (iter.next()) {
  306. iter->experimental_DrawEdgeAAImageSet(
  307. set, count, dstClips, preViewMatrices, paint, constraint);
  308. }
  309. }
  310. void SkNWayCanvas::onFlush() {
  311. Iter iter(fList);
  312. while (iter.next()) {
  313. iter->flush();
  314. }
  315. }