144888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org/* 244888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org * Copyright 2012 The Android Open Source Project 344888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org * 444888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org * Use of this source code is governed by a BSD-style license that can be 544888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org * found in the LICENSE file. 644888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org */ 744888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org 844888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org#include "SkColorFilterImageFilter.h" 944888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org#include "SkBitmap.h" 1044888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org#include "SkCanvas.h" 118d21f6c7a9d0cf4f87d77c235c6da7203620c7e5senorblanco@chromium.org#include "SkColorMatrixFilter.h" 1244888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org#include "SkDevice.h" 1344888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org#include "SkColorFilter.h" 148b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org#include "SkReadBuffer.h" 15c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez#include "SkTableColorFilter.h" 168b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org#include "SkWriteBuffer.h" 1744888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org 18cd9f55989e680b7f52fa21766dde0ac67ac9911fsenorblanco@chromium.orgSkColorFilterImageFilter* SkColorFilterImageFilter::Create(SkColorFilter* cf, 1924e06d5244ae96e440410e1d76e039983b2efac9senorblanco SkImageFilter* input, const CropRect* cropRect) { 209bde31e95ddd82a4a923275bb01265740407dab1sugoi if (NULL == cf) { 219bde31e95ddd82a4a923275bb01265740407dab1sugoi return NULL; 229bde31e95ddd82a4a923275bb01265740407dab1sugoi } 23c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 24cedc36f18b2254c5ee21f6348124886b6db4f4c2reed SkColorFilter* inputCF; 25cedc36f18b2254c5ee21f6348124886b6db4f4c2reed if (input && input->isColorFilterNode(&inputCF)) { 26cedc36f18b2254c5ee21f6348124886b6db4f4c2reed // This is an optimization, as it collapses the hierarchy by just combining the two 27cedc36f18b2254c5ee21f6348124886b6db4f4c2reed // colorfilters into a single one, which the new imagefilter will wrap. 28cedc36f18b2254c5ee21f6348124886b6db4f4c2reed SkAutoUnref autoUnref(inputCF); 29cedc36f18b2254c5ee21f6348124886b6db4f4c2reed SkAutoTUnref<SkColorFilter> newCF(SkColorFilter::CreateComposeFilter(cf, inputCF)); 308a8d841d485ff36b64d838575eb3735c1ddcf929reed if (newCF) { 3124e06d5244ae96e440410e1d76e039983b2efac9senorblanco return SkNEW_ARGS(SkColorFilterImageFilter, (newCF, input->getInput(0), cropRect)); 32c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez } 33cd9f55989e680b7f52fa21766dde0ac67ac9911fsenorblanco@chromium.org } 34c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 3524e06d5244ae96e440410e1d76e039983b2efac9senorblanco return SkNEW_ARGS(SkColorFilterImageFilter, (cf, input, cropRect)); 36cd9f55989e680b7f52fa21766dde0ac67ac9911fsenorblanco@chromium.org} 37cd9f55989e680b7f52fa21766dde0ac67ac9911fsenorblanco@chromium.org 38194d775edcf5fa6e82098a97ad53018d70db1155senorblanco@chromium.orgSkColorFilterImageFilter::SkColorFilterImageFilter(SkColorFilter* cf, 3924e06d5244ae96e440410e1d76e039983b2efac9senorblanco SkImageFilter* input, const CropRect* cropRect) 4024e06d5244ae96e440410e1d76e039983b2efac9senorblanco : INHERITED(1, &input, cropRect), fColorFilter(SkRef(cf)) { 4144888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org} 4244888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org 439fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reedSkFlattenable* SkColorFilterImageFilter::CreateProc(SkReadBuffer& buffer) { 449fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reed SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); 45f0f6c405fe9646be224128fc1dd24c7fc15246efreed SkAutoTUnref<SkColorFilter> cf(buffer.readColorFilter()); 4624e06d5244ae96e440410e1d76e039983b2efac9senorblanco return Create(cf, common.getInput(0), &common.cropRect()); 479fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reed} 4844888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org 498b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.orgvoid SkColorFilterImageFilter::flatten(SkWriteBuffer& buffer) const { 5044888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org this->INHERITED::flatten(buffer); 5144888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org buffer.writeFlattenable(fColorFilter); 5244888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org} 5344888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org 5444888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.orgSkColorFilterImageFilter::~SkColorFilterImageFilter() { 559bde31e95ddd82a4a923275bb01265740407dab1sugoi fColorFilter->unref(); 5644888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org} 5744888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org 5844888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.orgbool SkColorFilterImageFilter::onFilterImage(Proxy* proxy, const SkBitmap& source, 594cb543d6057b692e1099e9f115155f0bf323a0c8senorblanco@chromium.org const Context& ctx, 6044888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org SkBitmap* result, 61ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org SkIPoint* offset) const { 6268400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org SkBitmap src = source; 636776b82d466fa93ccffd251fdf556fe058395444senorblanco@chromium.org SkIPoint srcOffset = SkIPoint::Make(0, 0); 644cb543d6057b692e1099e9f115155f0bf323a0c8senorblanco@chromium.org if (getInput(0) && !getInput(0)->filterImage(proxy, source, ctx, &src, &srcOffset)) { 6568400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org return false; 6668400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org } 6768400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org 68194d775edcf5fa6e82098a97ad53018d70db1155senorblanco@chromium.org SkIRect bounds; 69118252962f89a80db661a0544f1bd61cbaab6321senorblanco@chromium.org if (!this->applyCropRect(ctx, src, srcOffset, &bounds)) { 70194d775edcf5fa6e82098a97ad53018d70db1155senorblanco@chromium.org return false; 71194d775edcf5fa6e82098a97ad53018d70db1155senorblanco@chromium.org } 72194d775edcf5fa6e82098a97ad53018d70db1155senorblanco@chromium.org 731f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.com SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds.width(), bounds.height())); 74cd3b15ca6364a04b0eeeb4f89c7daa8aefe854c8commit-bot@chromium.org if (NULL == device.get()) { 75cd3b15ca6364a04b0eeeb4f89c7daa8aefe854c8commit-bot@chromium.org return false; 76cd3b15ca6364a04b0eeeb4f89c7daa8aefe854c8commit-bot@chromium.org } 7744888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org SkCanvas canvas(device.get()); 7844888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org SkPaint paint; 7944888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org 8044888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org paint.setXfermodeMode(SkXfermode::kSrc_Mode); 81cd9f55989e680b7f52fa21766dde0ac67ac9911fsenorblanco@chromium.org paint.setColorFilter(fColorFilter); 826776b82d466fa93ccffd251fdf556fe058395444senorblanco@chromium.org canvas.drawSprite(src, srcOffset.fX - bounds.fLeft, srcOffset.fY - bounds.fTop, &paint); 8344888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org 8444888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org *result = device.get()->accessBitmap(false); 856776b82d466fa93ccffd251fdf556fe058395444senorblanco@chromium.org offset->fX = bounds.fLeft; 866776b82d466fa93ccffd251fdf556fe058395444senorblanco@chromium.org offset->fY = bounds.fTop; 8744888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org return true; 8844888c66d4bf03da58eb9fbd3db92eb477141aabsenorblanco@chromium.org} 898d21f6c7a9d0cf4f87d77c235c6da7203620c7e5senorblanco@chromium.org 90cedc36f18b2254c5ee21f6348124886b6db4f4c2reedbool SkColorFilterImageFilter::onIsColorFilterNode(SkColorFilter** filter) const { 91cedc36f18b2254c5ee21f6348124886b6db4f4c2reed SkASSERT(1 == this->countInputs()); 92cedc36f18b2254c5ee21f6348124886b6db4f4c2reed if (!this->cropRectIsSet()) { 93194d775edcf5fa6e82098a97ad53018d70db1155senorblanco@chromium.org if (filter) { 94cedc36f18b2254c5ee21f6348124886b6db4f4c2reed *filter = SkRef(fColorFilter); 95194d775edcf5fa6e82098a97ad53018d70db1155senorblanco@chromium.org } 96194d775edcf5fa6e82098a97ad53018d70db1155senorblanco@chromium.org return true; 97a1c511b8704c6c266b90860a4c68f30ca7514f9bsugoi@google.com } 98194d775edcf5fa6e82098a97ad53018d70db1155senorblanco@chromium.org return false; 998d21f6c7a9d0cf4f87d77c235c6da7203620c7e5senorblanco@chromium.org} 100f3f5bad7ded35265c0b5d042cc4174386b197a33robertphillips 101f3f5bad7ded35265c0b5d042cc4174386b197a33robertphillips#ifndef SK_IGNORE_TO_STRING 102f3f5bad7ded35265c0b5d042cc4174386b197a33robertphillipsvoid SkColorFilterImageFilter::toString(SkString* str) const { 103f3f5bad7ded35265c0b5d042cc4174386b197a33robertphillips str->appendf("SkColorFilterImageFilter: ("); 104f3f5bad7ded35265c0b5d042cc4174386b197a33robertphillips 10533cca886b757ed575136a628b30e845096ef94a3robertphillips str->appendf("input: ("); 10633cca886b757ed575136a628b30e845096ef94a3robertphillips 10733cca886b757ed575136a628b30e845096ef94a3robertphillips if (this->getInput(0)) { 10833cca886b757ed575136a628b30e845096ef94a3robertphillips this->getInput(0)->toString(str); 10933cca886b757ed575136a628b30e845096ef94a3robertphillips } 11033cca886b757ed575136a628b30e845096ef94a3robertphillips 11133cca886b757ed575136a628b30e845096ef94a3robertphillips str->appendf(") color filter: "); 112f3f5bad7ded35265c0b5d042cc4174386b197a33robertphillips fColorFilter->toString(str); 113f3f5bad7ded35265c0b5d042cc4174386b197a33robertphillips 114f3f5bad7ded35265c0b5d042cc4174386b197a33robertphillips str->append(")"); 115f3f5bad7ded35265c0b5d042cc4174386b197a33robertphillips} 116f3f5bad7ded35265c0b5d042cc4174386b197a33robertphillips#endif 117