senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 The Android Open Source Project |
| 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 | |
| 8 | #include "SkPictureImageFilter.h" |
| 9 | #include "SkDevice.h" |
| 10 | #include "SkCanvas.h" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 11 | #include "SkReadBuffer.h" |
| 12 | #include "SkWriteBuffer.h" |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 13 | #include "SkValidationUtils.h" |
| 14 | |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 15 | SkPictureImageFilter::SkPictureImageFilter(const SkPicture* picture, uint32_t uniqueID) |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 16 | : INHERITED(0, 0, NULL, uniqueID) |
| 17 | , fPicture(SkSafeRef(picture)) |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 18 | , fCropRect(picture ? picture->cullRect() : SkRect::MakeEmpty()) { |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 19 | } |
| 20 | |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 21 | SkPictureImageFilter::SkPictureImageFilter(const SkPicture* picture, const SkRect& cropRect, |
| 22 | uint32_t uniqueID) |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 23 | : INHERITED(0, 0, NULL, uniqueID) |
| 24 | , fPicture(SkSafeRef(picture)) |
| 25 | , fCropRect(cropRect) { |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 26 | } |
| 27 | |
| 28 | SkPictureImageFilter::~SkPictureImageFilter() { |
| 29 | SkSafeUnref(fPicture); |
| 30 | } |
| 31 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 32 | #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 33 | SkPictureImageFilter::SkPictureImageFilter(SkReadBuffer& buffer) |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 34 | : INHERITED(0, buffer), |
| 35 | fPicture(NULL) { |
senorblanco@chromium.org | 97f5fc6 | 2014-05-30 20:50:56 +0000 | [diff] [blame] | 36 | if (!buffer.isCrossProcess()) { |
| 37 | if (buffer.readBool()) { |
| 38 | fPicture = SkPicture::CreateFromBuffer(buffer); |
| 39 | } |
| 40 | } else { |
| 41 | buffer.validate(!buffer.readBool()); |
commit-bot@chromium.org | 5e0995e | 2014-02-07 12:20:04 +0000 | [diff] [blame] | 42 | } |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 43 | buffer.readRect(&fCropRect); |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 44 | } |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 45 | #endif |
| 46 | |
| 47 | SkFlattenable* SkPictureImageFilter::CreateProc(SkReadBuffer& buffer) { |
| 48 | SkAutoTUnref<SkPicture> picture; |
| 49 | SkRect cropRect; |
| 50 | |
| 51 | if (!buffer.isCrossProcess()) { |
| 52 | if (buffer.readBool()) { |
| 53 | picture.reset(SkPicture::CreateFromBuffer(buffer)); |
| 54 | } |
| 55 | } else { |
| 56 | buffer.validate(!buffer.readBool()); |
| 57 | } |
| 58 | buffer.readRect(&cropRect); |
| 59 | |
| 60 | return Create(picture, cropRect); |
| 61 | } |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 62 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 63 | void SkPictureImageFilter::flatten(SkWriteBuffer& buffer) const { |
senorblanco@chromium.org | 97f5fc6 | 2014-05-30 20:50:56 +0000 | [diff] [blame] | 64 | if (!buffer.isCrossProcess()) { |
| 65 | bool hasPicture = (fPicture != NULL); |
| 66 | buffer.writeBool(hasPicture); |
| 67 | if (hasPicture) { |
| 68 | fPicture->flatten(buffer); |
| 69 | } |
| 70 | } else { |
| 71 | buffer.writeBool(false); |
commit-bot@chromium.org | 5e0995e | 2014-02-07 12:20:04 +0000 | [diff] [blame] | 72 | } |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 73 | buffer.writeRect(fCropRect); |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 74 | } |
| 75 | |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 76 | bool SkPictureImageFilter::onFilterImage(Proxy* proxy, const SkBitmap&, const Context& ctx, |
| 77 | SkBitmap* result, SkIPoint* offset) const { |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 78 | if (!fPicture) { |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 79 | offset->fX = offset->fY = 0; |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 80 | return true; |
| 81 | } |
| 82 | |
| 83 | SkRect floatBounds; |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 84 | ctx.ctm().mapRect(&floatBounds, fCropRect); |
reed | b07a94f | 2014-11-19 05:03:18 -0800 | [diff] [blame] | 85 | SkIRect bounds = floatBounds.roundOut(); |
senorblanco | 3d822c2 | 2014-07-30 14:49:31 -0700 | [diff] [blame] | 86 | if (!bounds.intersect(ctx.clipBounds())) { |
| 87 | return false; |
| 88 | } |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 89 | |
| 90 | if (bounds.isEmpty()) { |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 91 | offset->fX = offset->fY = 0; |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 92 | return true; |
| 93 | } |
| 94 | |
| 95 | SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds.width(), bounds.height())); |
| 96 | if (NULL == device.get()) { |
| 97 | return false; |
| 98 | } |
| 99 | |
| 100 | SkCanvas canvas(device.get()); |
| 101 | SkPaint paint; |
| 102 | |
| 103 | canvas.translate(-SkIntToScalar(bounds.fLeft), -SkIntToScalar(bounds.fTop)); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 104 | canvas.concat(ctx.ctm()); |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 105 | canvas.drawPicture(fPicture); |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 106 | |
| 107 | *result = device.get()->accessBitmap(false); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 108 | offset->fX = bounds.fLeft; |
| 109 | offset->fY = bounds.fTop; |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 110 | return true; |
| 111 | } |