Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 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 | |
Mike Klein | 49f33b8 | 2017-03-13 09:56:34 -0700 | [diff] [blame] | 8 | #include "SkColorFilter.h" |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 9 | #include "SkColorSpaceXformCanvas.h" |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 10 | #include "SkColorSpaceXformer.h" |
Mike Klein | d492db9 | 2017-03-15 09:56:47 -0700 | [diff] [blame] | 11 | #include "SkGradientShader.h" |
Matt Sarett | 6de1310 | 2017-03-14 14:10:48 -0400 | [diff] [blame] | 12 | #include "SkImage_Base.h" |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 13 | #include "SkImagePriv.h" |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 14 | #include "SkMakeUnique.h" |
| 15 | #include "SkNoDrawCanvas.h" |
| 16 | #include "SkSurface.h" |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 17 | |
| 18 | class SkColorSpaceXformCanvas : public SkNoDrawCanvas { |
| 19 | public: |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 20 | SkColorSpaceXformCanvas(SkCanvas* target, sk_sp<SkColorSpace> targetCS, |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 21 | std::unique_ptr<SkColorSpaceXformer> xformer) |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 22 | : SkNoDrawCanvas(SkIRect::MakeSize(target->getBaseLayerSize())) |
| 23 | , fTarget(target) |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 24 | , fTargetCS(targetCS) |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 25 | , fXformer(std::move(xformer)) |
Matt Sarett | 9969e77 | 2017-03-30 17:23:48 -0400 | [diff] [blame] | 26 | { |
| 27 | // Set the matrix and clip to match |fTarget|. Otherwise, we'll answer queries for |
| 28 | // bounds/matrix differently than |fTarget| would. |
Mike Klein | 2f245be | 2017-03-30 18:30:50 -0400 | [diff] [blame] | 29 | SkCanvas::onClipRect(SkRect::Make(fTarget->getDeviceClipBounds()), |
Matt Sarett | 9969e77 | 2017-03-30 17:23:48 -0400 | [diff] [blame] | 30 | SkClipOp::kIntersect, kHard_ClipEdgeStyle); |
| 31 | SkCanvas::setMatrix(fTarget->getTotalMatrix()); |
| 32 | } |
Mike Klein | 49f33b8 | 2017-03-13 09:56:34 -0700 | [diff] [blame] | 33 | |
Matt Sarett | a88a646 | 2017-03-23 10:45:04 -0400 | [diff] [blame] | 34 | SkImageInfo onImageInfo() const override { |
| 35 | return fTarget->imageInfo(); |
| 36 | } |
| 37 | |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 38 | void onDrawPaint(const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 39 | fTarget->drawPaint(fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 40 | } |
| 41 | |
| 42 | void onDrawRect(const SkRect& rect, const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 43 | fTarget->drawRect(rect, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 44 | } |
| 45 | void onDrawOval(const SkRect& oval, const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 46 | fTarget->drawOval(oval, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 47 | } |
| 48 | void onDrawRRect(const SkRRect& rrect, const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 49 | fTarget->drawRRect(rrect, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 50 | } |
| 51 | void onDrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 52 | fTarget->drawDRRect(outer, inner, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 53 | } |
| 54 | void onDrawPath(const SkPath& path, const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 55 | fTarget->drawPath(path, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 56 | } |
| 57 | void onDrawArc(const SkRect& oval, SkScalar start, SkScalar sweep, bool useCenter, |
| 58 | const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 59 | fTarget->drawArc(oval, start, sweep, useCenter, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 60 | } |
| 61 | void onDrawRegion(const SkRegion& region, const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 62 | fTarget->drawRegion(region, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 63 | } |
| 64 | void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], const SkPoint texs[4], |
| 65 | SkBlendMode mode, const SkPaint& paint) override { |
Mike Klein | 49f33b8 | 2017-03-13 09:56:34 -0700 | [diff] [blame] | 66 | SkColor xformed[4]; |
| 67 | if (colors) { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 68 | fXformer->apply(xformed, colors, 4); |
Mike Klein | 49f33b8 | 2017-03-13 09:56:34 -0700 | [diff] [blame] | 69 | colors = xformed; |
| 70 | } |
| 71 | |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 72 | fTarget->drawPatch(cubics, colors, texs, mode, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 73 | } |
| 74 | void onDrawPoints(PointMode mode, size_t count, const SkPoint* pts, |
| 75 | const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 76 | fTarget->drawPoints(mode, count, pts, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 77 | } |
Mike Reed | fed9cfd | 2017-03-17 12:09:04 -0400 | [diff] [blame] | 78 | void onDrawVerticesObject(const SkVertices* vertices, SkBlendMode mode, |
| 79 | const SkPaint& paint) override { |
| 80 | sk_sp<SkVertices> copy; |
| 81 | if (vertices->hasColors()) { |
| 82 | int count = vertices->vertexCount(); |
| 83 | SkSTArray<8, SkColor> xformed(count); |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 84 | fXformer->apply(xformed.begin(), vertices->colors(), count); |
Mike Reed | fed9cfd | 2017-03-17 12:09:04 -0400 | [diff] [blame] | 85 | copy = SkVertices::MakeCopy(vertices->mode(), count, vertices->positions(), |
| 86 | vertices->texCoords(), xformed.begin(), |
| 87 | vertices->indexCount(), vertices->indices()); |
| 88 | vertices = copy.get(); |
Mike Klein | 49f33b8 | 2017-03-13 09:56:34 -0700 | [diff] [blame] | 89 | } |
| 90 | |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 91 | fTarget->drawVertices(vertices, mode, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | void onDrawText(const void* ptr, size_t len, |
| 95 | SkScalar x, SkScalar y, |
| 96 | const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 97 | fTarget->drawText(ptr, len, x, y, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 98 | } |
| 99 | void onDrawPosText(const void* ptr, size_t len, |
| 100 | const SkPoint* xys, |
| 101 | const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 102 | fTarget->drawPosText(ptr, len, xys, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 103 | } |
| 104 | void onDrawPosTextH(const void* ptr, size_t len, |
| 105 | const SkScalar* xs, SkScalar y, |
| 106 | const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 107 | fTarget->drawPosTextH(ptr, len, xs, y, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 108 | } |
| 109 | void onDrawTextOnPath(const void* ptr, size_t len, |
| 110 | const SkPath& path, const SkMatrix* matrix, |
| 111 | const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 112 | fTarget->drawTextOnPath(ptr, len, path, matrix, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 113 | } |
| 114 | void onDrawTextRSXform(const void* ptr, size_t len, |
| 115 | const SkRSXform* xforms, const SkRect* cull, |
| 116 | const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 117 | fTarget->drawTextRSXform(ptr, len, xforms, cull, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 118 | } |
| 119 | void onDrawTextBlob(const SkTextBlob* blob, |
| 120 | SkScalar x, SkScalar y, |
| 121 | const SkPaint& paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 122 | fTarget->drawTextBlob(blob, x, y, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | void onDrawImage(const SkImage* img, |
| 126 | SkScalar l, SkScalar t, |
| 127 | const SkPaint* paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 128 | fTarget->drawImage(fXformer->apply(img).get(), |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 129 | l, t, |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 130 | fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 131 | } |
| 132 | void onDrawImageRect(const SkImage* img, |
| 133 | const SkRect* src, const SkRect& dst, |
| 134 | const SkPaint* paint, SrcRectConstraint constraint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 135 | fTarget->drawImageRect(fXformer->apply(img).get(), |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 136 | src ? *src : SkRect::MakeIWH(img->width(), img->height()), dst, |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 137 | fXformer->apply(paint), constraint); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 138 | } |
| 139 | void onDrawImageNine(const SkImage* img, |
| 140 | const SkIRect& center, const SkRect& dst, |
| 141 | const SkPaint* paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 142 | fTarget->drawImageNine(fXformer->apply(img).get(), |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 143 | center, dst, |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 144 | fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 145 | } |
| 146 | void onDrawImageLattice(const SkImage* img, |
| 147 | const Lattice& lattice, const SkRect& dst, |
| 148 | const SkPaint* paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 149 | fTarget->drawImageLattice(fXformer->apply(img).get(), |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 150 | lattice, dst, |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 151 | fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 152 | } |
| 153 | void onDrawAtlas(const SkImage* atlas, const SkRSXform* xforms, const SkRect* tex, |
| 154 | const SkColor* colors, int count, SkBlendMode mode, |
| 155 | const SkRect* cull, const SkPaint* paint) override { |
Mike Klein | d492db9 | 2017-03-15 09:56:47 -0700 | [diff] [blame] | 156 | SkSTArray<8, SkColor> xformed; |
Mike Klein | 49f33b8 | 2017-03-13 09:56:34 -0700 | [diff] [blame] | 157 | if (colors) { |
| 158 | xformed.reset(count); |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 159 | fXformer->apply(xformed.begin(), colors, count); |
Mike Klein | 49f33b8 | 2017-03-13 09:56:34 -0700 | [diff] [blame] | 160 | colors = xformed.begin(); |
| 161 | } |
| 162 | |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 163 | fTarget->drawAtlas(fXformer->apply(atlas).get(), xforms, tex, colors, count, mode, cull, |
| 164 | fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 165 | } |
| 166 | |
| 167 | void onDrawBitmap(const SkBitmap& bitmap, |
| 168 | SkScalar l, SkScalar t, |
| 169 | const SkPaint* paint) override { |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 170 | if (this->skipXform(bitmap)) { |
| 171 | return fTarget->drawBitmap(bitmap, l, t, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 172 | } |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 173 | |
| 174 | fTarget->drawImage(fXformer->apply(bitmap).get(), l, t, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 175 | } |
| 176 | void onDrawBitmapRect(const SkBitmap& bitmap, |
| 177 | const SkRect* src, const SkRect& dst, |
| 178 | const SkPaint* paint, SrcRectConstraint constraint) override { |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 179 | if (this->skipXform(bitmap)) { |
| 180 | return fTarget->drawBitmapRect(bitmap, |
| 181 | src ? *src : SkRect::MakeIWH(bitmap.width(), bitmap.height()), dst, |
| 182 | fXformer->apply(paint), constraint); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 183 | } |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 184 | |
| 185 | fTarget->drawImageRect(fXformer->apply(bitmap).get(), |
| 186 | src ? *src : SkRect::MakeIWH(bitmap.width(), bitmap.height()), dst, |
| 187 | fXformer->apply(paint), constraint); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 188 | } |
| 189 | void onDrawBitmapNine(const SkBitmap& bitmap, |
| 190 | const SkIRect& center, const SkRect& dst, |
| 191 | const SkPaint* paint) override { |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 192 | if (this->skipXform(bitmap)) { |
| 193 | return fTarget->drawBitmapNine(bitmap, center, dst, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 194 | } |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 195 | |
| 196 | fTarget->drawImageNine(fXformer->apply(bitmap).get(), center, dst, fXformer->apply(paint)); |
| 197 | |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 198 | } |
| 199 | void onDrawBitmapLattice(const SkBitmap& bitmap, |
| 200 | const Lattice& lattice, const SkRect& dst, |
| 201 | const SkPaint* paint) override { |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 202 | if (this->skipXform(bitmap)) { |
| 203 | return fTarget->drawBitmapLattice(bitmap, lattice, dst, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 204 | } |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 205 | |
| 206 | |
| 207 | fTarget->drawImageLattice(fXformer->apply(bitmap).get(), lattice, dst, |
| 208 | fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | // TODO: May not be ideal to unfurl pictures. |
| 212 | void onDrawPicture(const SkPicture* pic, |
| 213 | const SkMatrix* matrix, |
| 214 | const SkPaint* paint) override { |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 215 | SkCanvas::onDrawPicture(pic, matrix, fXformer->apply(paint)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 216 | } |
| 217 | void onDrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) override { |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 218 | SkCanvas::onDrawDrawable(drawable, matrix); |
| 219 | } |
| 220 | |
| 221 | SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec& rec) override { |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 222 | fTarget->saveLayer({ |
| 223 | rec.fBounds, |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 224 | fXformer->apply(rec.fPaint), |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 225 | rec.fBackdrop, // TODO: this is an image filter |
| 226 | rec.fSaveLayerFlags, |
| 227 | }); |
| 228 | return kNoLayer_SaveLayerStrategy; |
| 229 | } |
| 230 | |
| 231 | // Everything from here on should be uninteresting strictly proxied state-change calls. |
| 232 | void willSave() override { fTarget->save(); } |
| 233 | void willRestore() override { fTarget->restore(); } |
| 234 | |
| 235 | void didConcat (const SkMatrix& m) override { fTarget->concat (m); } |
| 236 | void didSetMatrix(const SkMatrix& m) override { fTarget->setMatrix(m); } |
| 237 | |
| 238 | void onClipRect(const SkRect& clip, SkClipOp op, ClipEdgeStyle style) override { |
Mike Klein | 1683f78 | 2017-03-20 22:47:33 -0400 | [diff] [blame] | 239 | SkCanvas::onClipRect(clip, op, style); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 240 | fTarget->clipRect(clip, op, style); |
| 241 | } |
| 242 | void onClipRRect(const SkRRect& clip, SkClipOp op, ClipEdgeStyle style) override { |
Mike Klein | 1683f78 | 2017-03-20 22:47:33 -0400 | [diff] [blame] | 243 | SkCanvas::onClipRRect(clip, op, style); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 244 | fTarget->clipRRect(clip, op, style); |
| 245 | } |
| 246 | void onClipPath(const SkPath& clip, SkClipOp op, ClipEdgeStyle style) override { |
Mike Klein | 1683f78 | 2017-03-20 22:47:33 -0400 | [diff] [blame] | 247 | SkCanvas::onClipPath(clip, op, style); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 248 | fTarget->clipPath(clip, op, style); |
| 249 | } |
| 250 | void onClipRegion(const SkRegion& clip, SkClipOp op) override { |
Mike Klein | 1683f78 | 2017-03-20 22:47:33 -0400 | [diff] [blame] | 251 | SkCanvas::onClipRegion(clip, op); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 252 | fTarget->clipRegion(clip, op); |
| 253 | } |
| 254 | |
| 255 | void onDrawAnnotation(const SkRect& rect, const char* key, SkData* val) override { |
| 256 | fTarget->drawAnnotation(rect, key, val); |
| 257 | } |
| 258 | |
| 259 | sk_sp<SkSurface> onNewSurface(const SkImageInfo& info, const SkSurfaceProps& props) override { |
| 260 | return fTarget->makeSurface(info, &props); |
| 261 | } |
| 262 | |
Matt Sarett | b48df27 | 2017-03-30 16:10:45 -0400 | [diff] [blame] | 263 | SkISize getBaseLayerSize() const override { return fTarget->getBaseLayerSize(); } |
| 264 | SkRect onGetLocalClipBounds() const override { return fTarget->getLocalClipBounds(); } |
| 265 | SkIRect onGetDeviceClipBounds() const override { return fTarget->getDeviceClipBounds(); } |
| 266 | bool isClipEmpty() const override { return fTarget->isClipEmpty(); } |
| 267 | bool isClipRect() const override { return fTarget->isClipRect(); } |
| 268 | bool onPeekPixels(SkPixmap* pixmap) override { return fTarget->peekPixels(pixmap); } |
| 269 | bool onAccessTopLayerPixels(SkPixmap* pixmap) override { |
| 270 | SkImageInfo info; |
| 271 | size_t rowBytes; |
| 272 | SkIPoint* origin = nullptr; |
| 273 | void* addr = fTarget->accessTopLayerPixels(&info, &rowBytes, origin); |
| 274 | if (addr) { |
| 275 | *pixmap = SkPixmap(info, addr, rowBytes); |
| 276 | return true; |
| 277 | } |
| 278 | return false; |
| 279 | } |
| 280 | |
| 281 | bool onGetProps(SkSurfaceProps* props) const override { return fTarget->getProps(props); } |
| 282 | void onFlush() override { return fTarget->flush(); } |
| 283 | |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 284 | private: |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 285 | bool skipXform(const SkBitmap& bitmap) { |
| 286 | return (!bitmap.colorSpace() && fTargetCS->isSRGB()) || |
| 287 | (SkColorSpace::Equals(bitmap.colorSpace(), fTargetCS.get())) || |
| 288 | (kAlpha_8_SkColorType == bitmap.colorType()); |
| 289 | } |
| 290 | |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 291 | SkCanvas* fTarget; |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 292 | sk_sp<SkColorSpace> fTargetCS; |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 293 | std::unique_ptr<SkColorSpaceXformer> fXformer; |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 294 | }; |
| 295 | |
| 296 | std::unique_ptr<SkCanvas> SkCreateColorSpaceXformCanvas(SkCanvas* target, |
| 297 | sk_sp<SkColorSpace> targetCS) { |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 298 | std::unique_ptr<SkColorSpaceXformer> xformer = SkColorSpaceXformer::Make(targetCS); |
Matt Sarett | cdc651d | 2017-03-30 12:41:48 -0400 | [diff] [blame] | 299 | if (!xformer) { |
| 300 | return nullptr; |
| 301 | } |
| 302 | |
Matt Sarett | e684483 | 2017-04-03 10:35:42 -0400 | [diff] [blame] | 303 | return skstd::make_unique<SkColorSpaceXformCanvas>(target, std::move(targetCS), |
| 304 | std::move(xformer)); |
Mike Klein | 841101d | 2017-03-10 09:55:51 -0500 | [diff] [blame] | 305 | } |