TestUtils.cpp revision dccca44ffda4836b56a21da95a046c9708ffd49c
116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck/* 216c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * Copyright (C) 2015 The Android Open Source Project 316c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * 416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * Licensed under the Apache License, Version 2.0 (the "License"); 516c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * you may not use this file except in compliance with the License. 616c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * You may obtain a copy of the License at 716c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * 816c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * http://www.apache.org/licenses/LICENSE-2.0 916c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * 1016c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * Unless required by applicable law or agreed to in writing, software 1116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * distributed under the License is distributed on an "AS IS" BASIS, 1216c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1316c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * See the License for the specific language governing permissions and 1416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * limitations under the License. 1516c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck */ 1616c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 1716c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck#include "TestUtils.h" 1816c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 19d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik#include "DeferredLayerUpdater.h" 20d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik#include "LayerRenderer.h" 21d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik 2216c9d6a92e1b86d448c00c52a1630f3e71e6df76John Recknamespace android { 2316c9d6a92e1b86d448c00c52a1630f3e71e6df76John Recknamespace uirenderer { 2416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 2516c9d6a92e1b86d448c00c52a1630f3e71e6df76John ReckSkColor TestUtils::interpolateColor(float fraction, SkColor start, SkColor end) { 2616c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int startA = (start >> 24) & 0xff; 2716c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int startR = (start >> 16) & 0xff; 2816c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int startG = (start >> 8) & 0xff; 2916c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int startB = start & 0xff; 3016c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 3116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int endA = (end >> 24) & 0xff; 3216c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int endR = (end >> 16) & 0xff; 3316c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int endG = (end >> 8) & 0xff; 3416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int endB = end & 0xff; 3516c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 3616c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck return (int)((startA + (int)(fraction * (endA - startA))) << 24) 3716c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck | (int)((startR + (int)(fraction * (endR - startR))) << 16) 3816c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck | (int)((startG + (int)(fraction * (endG - startG))) << 8) 3916c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck | (int)((startB + (int)(fraction * (endB - startB)))); 4016c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck} 4116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 42d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craiksp<DeferredLayerUpdater> TestUtils::createTextureLayerUpdater( 43d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik renderthread::RenderThread& renderThread, uint32_t width, uint32_t height, 44d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik std::function<void(Matrix4*)> transformSetupCallback) { 45d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik bool isOpaque = true; 46d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik bool forceFilter = true; 47d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik GLenum renderTarget = GL_TEXTURE_EXTERNAL_OES; 48d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik 49d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik Layer* layer = LayerRenderer::createTextureLayer(renderThread.renderState()); 50d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik LayerRenderer::updateTextureLayer(layer, width, height, isOpaque, forceFilter, 51d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik renderTarget, Matrix4::identity().data); 52d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik transformSetupCallback(&(layer->getTransform())); 53d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik 54d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik sp<DeferredLayerUpdater> layerUpdater = new DeferredLayerUpdater(layer); 55d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik return layerUpdater; 56d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik} 57d2dfd8f128b632ed99418ab2b32949c939a9a369Chris Craik 58e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craikvoid TestUtils::layoutTextUnscaled(const SkPaint& paint, const char* text, 59e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik std::vector<glyph_t>* outGlyphs, std::vector<float>* outPositions, 60e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik float* outTotalAdvance, Rect* outBounds) { 61e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik Rect bounds; 62e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik float totalAdvance = 0; 6342a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik SkSurfaceProps surfaceProps(0, kUnknown_SkPixelGeometry); 64d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik SkAutoGlyphCacheNoGamma autoCache(paint, &surfaceProps, &SkMatrix::I()); 6542a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik while (*text != '\0') { 6642a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik SkUnichar unichar = SkUTF8_NextUnichar(&text); 6742a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik glyph_t glyph = autoCache.getCache()->unicharToGlyph(unichar); 6842a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik autoCache.getCache()->unicharToGlyph(unichar); 69a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik 7042a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik // push glyph and its relative position 71e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik outGlyphs->push_back(glyph); 72e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik outPositions->push_back(totalAdvance); 73e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik outPositions->push_back(0); 74a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik 7542a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik // compute bounds 7642a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik SkGlyph skGlyph = autoCache.getCache()->getUnicharMetrics(unichar); 7742a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik Rect glyphBounds(skGlyph.fWidth, skGlyph.fHeight); 7842a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik glyphBounds.translate(totalAdvance + skGlyph.fLeft, skGlyph.fTop); 7942a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik bounds.unionWith(glyphBounds); 80a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik 8142a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik // advance next character 8242a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik SkScalar skWidth; 8342a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik paint.getTextWidths(&glyph, sizeof(glyph), &skWidth, NULL); 8442a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik totalAdvance += skWidth; 8542a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik } 86e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik *outBounds = bounds; 87e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik *outTotalAdvance = totalAdvance; 88e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik} 89e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik 90dccca44ffda4836b56a21da95a046c9708ffd49csergeyvvoid TestUtils::drawUtf8ToCanvas(TestCanvas* canvas, const char* text, 91e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik const SkPaint& paint, float x, float y) { 92e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik // drawing text requires GlyphID TextEncoding (which JNI layer would have done) 93e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik LOG_ALWAYS_FATAL_IF(paint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding, 94e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik "must use glyph encoding"); 95e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik SkSurfaceProps surfaceProps(0, kUnknown_SkPixelGeometry); 96e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik SkAutoGlyphCacheNoGamma autoCache(paint, &surfaceProps, &SkMatrix::I()); 97e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik 98e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik std::vector<glyph_t> glyphs; 99e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik std::vector<float> positions; 100e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik float totalAdvance; 101e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik Rect bounds; 102e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik layoutTextUnscaled(paint, text, &glyphs, &positions, &totalAdvance, &bounds); 10342a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik 10442a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik // apply alignment via x parameter (which JNI layer would have done) 10542a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik if (paint.getTextAlign() == SkPaint::kCenter_Align) { 10642a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik x -= totalAdvance / 2; 10742a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik } else if (paint.getTextAlign() == SkPaint::kRight_Align) { 10842a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik x -= totalAdvance; 10942a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik } 11042a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik 11142a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik bounds.translate(x, y); 11242a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik 11342a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik // Force left alignment, since alignment offset is already baked in 11442a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik SkPaint alignPaintCopy(paint); 11542a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik alignPaintCopy.setTextAlign(SkPaint::kLeft_Align); 116dccca44ffda4836b56a21da95a046c9708ffd49csergeyv canvas->drawGlyphs(glyphs.data(), positions.data(), glyphs.size(), alignPaintCopy, x, y, 11742a5407f2c6403ea7aa7a64eaf19948dc4050df5Chris Craik bounds.left, bounds.top, bounds.right, bounds.bottom, totalAdvance); 118a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik} 119a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik 120dccca44ffda4836b56a21da95a046c9708ffd49csergeyvvoid TestUtils::drawUtf8ToCanvas(TestCanvas* canvas, const char* text, 121d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik const SkPaint& paint, const SkPath& path) { 122d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik // drawing text requires GlyphID TextEncoding (which JNI layer would have done) 123d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik LOG_ALWAYS_FATAL_IF(paint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding, 124d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik "must use glyph encoding"); 125d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik SkSurfaceProps surfaceProps(0, kUnknown_SkPixelGeometry); 126d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik SkAutoGlyphCacheNoGamma autoCache(paint, &surfaceProps, &SkMatrix::I()); 127d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik 128d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik std::vector<glyph_t> glyphs; 129d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik while (*text != '\0') { 130d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik SkUnichar unichar = SkUTF8_NextUnichar(&text); 131d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik glyphs.push_back(autoCache.getCache()->unicharToGlyph(unichar)); 132d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik } 133dccca44ffda4836b56a21da95a046c9708ffd49csergeyv canvas->drawGlyphsOnPath(glyphs.data(), glyphs.size(), path, 0, 0, paint); 134d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik} 135d7448e65e243754f31890baef29dff187dc2e5e5Chris Craik 136e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reckvoid TestUtils::TestTask::run() { 137e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck // RenderState only valid once RenderThread is running, so queried here 138e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck RenderState& renderState = renderthread::RenderThread::getInstance().renderState(); 139e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck 140e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck renderState.onGLContextCreated(); 141e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck rtCallback(renderthread::RenderThread::getInstance()); 1421bc4ee4506b0a113d447d54909e1f8f5c1205563Chris Craik renderState.flush(Caches::FlushMode::Full); 143e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck renderState.onGLContextDestroyed(); 144e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck} 145e5da4ef971258193cd1e89737a12b95b6ac244bbJohn Reck 146dccca44ffda4836b56a21da95a046c9708ffd49csergeyvstd::unique_ptr<uint16_t[]> TestUtils::utf8ToUtf16(const char* str) { 147dccca44ffda4836b56a21da95a046c9708ffd49csergeyv const size_t strLen = strlen(str); 148dccca44ffda4836b56a21da95a046c9708ffd49csergeyv const ssize_t utf16Len = utf8_to_utf16_length((uint8_t*) str, strLen); 149dccca44ffda4836b56a21da95a046c9708ffd49csergeyv std::unique_ptr<uint16_t[]> dst(new uint16_t[utf16Len + 1]); 150dccca44ffda4836b56a21da95a046c9708ffd49csergeyv utf8_to_utf16((uint8_t*) str, strLen, (char16_t*) dst.get()); 151dccca44ffda4836b56a21da95a046c9708ffd49csergeyv return dst; 152dccca44ffda4836b56a21da95a046c9708ffd49csergeyv} 153dccca44ffda4836b56a21da95a046c9708ffd49csergeyv 15416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck} /* namespace uirenderer */ 15516c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck} /* namespace android */ 156