Files
frameworks_base/libs/hwui/tests/common/TestUtils.cpp
Derek Sollenberger 56ad6ec42f Remove LayerRenderer.
There is only one caller each for the static functions here so this
CL moves the logic to the caller.  Also by moving some of the code
into the pipeline it makes it easier for future changes to configure
how a pipeline handles a layer.

Change-Id: Ib735b5154325cbb658fd151f7a19dbf434ab44b7
2016-07-26 13:05:13 -04:00

130 lines
4.6 KiB
C++

/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "TestUtils.h"
#include "hwui/Paint.h"
#include "DeferredLayerUpdater.h"
#include <renderthread/EglManager.h>
#include <renderthread/OpenGLPipeline.h>
#include <utils/Unicode.h>
namespace android {
namespace uirenderer {
SkColor TestUtils::interpolateColor(float fraction, SkColor start, SkColor end) {
int startA = (start >> 24) & 0xff;
int startR = (start >> 16) & 0xff;
int startG = (start >> 8) & 0xff;
int startB = start & 0xff;
int endA = (end >> 24) & 0xff;
int endR = (end >> 16) & 0xff;
int endG = (end >> 8) & 0xff;
int endB = end & 0xff;
return (int)((startA + (int)(fraction * (endA - startA))) << 24)
| (int)((startR + (int)(fraction * (endR - startR))) << 16)
| (int)((startG + (int)(fraction * (endG - startG))) << 8)
| (int)((startB + (int)(fraction * (endB - startB))));
}
sp<DeferredLayerUpdater> TestUtils::createTextureLayerUpdater(
renderthread::RenderThread& renderThread, uint32_t width, uint32_t height,
const SkMatrix& transform) {
renderthread::OpenGLPipeline pipeline(renderThread);
sp<DeferredLayerUpdater> layerUpdater = pipeline.createTextureLayer();
layerUpdater->backingLayer()->getTransform().load(transform);
layerUpdater->setSize(width, height);
layerUpdater->setTransform(&transform);
// updateLayer so it's ready to draw
layerUpdater->updateLayer(true, GL_TEXTURE_EXTERNAL_OES, Matrix4::identity().data);
return layerUpdater;
}
void TestUtils::layoutTextUnscaled(const SkPaint& paint, const char* text,
std::vector<glyph_t>* outGlyphs, std::vector<float>* outPositions,
float* outTotalAdvance, Rect* outBounds) {
Rect bounds;
float totalAdvance = 0;
SkSurfaceProps surfaceProps(0, kUnknown_SkPixelGeometry);
SkAutoGlyphCacheNoGamma autoCache(paint, &surfaceProps, &SkMatrix::I());
while (*text != '\0') {
size_t nextIndex = 0;
int32_t unichar = utf32_from_utf8_at(text, 4, 0, &nextIndex);
text += nextIndex;
glyph_t glyph = autoCache.getCache()->unicharToGlyph(unichar);
autoCache.getCache()->unicharToGlyph(unichar);
// push glyph and its relative position
outGlyphs->push_back(glyph);
outPositions->push_back(totalAdvance);
outPositions->push_back(0);
// compute bounds
SkGlyph skGlyph = autoCache.getCache()->getUnicharMetrics(unichar);
Rect glyphBounds(skGlyph.fWidth, skGlyph.fHeight);
glyphBounds.translate(totalAdvance + skGlyph.fLeft, skGlyph.fTop);
bounds.unionWith(glyphBounds);
// advance next character
SkScalar skWidth;
paint.getTextWidths(&glyph, sizeof(glyph), &skWidth, NULL);
totalAdvance += skWidth;
}
*outBounds = bounds;
*outTotalAdvance = totalAdvance;
}
void TestUtils::drawUtf8ToCanvas(Canvas* canvas, const char* text,
const SkPaint& paint, float x, float y) {
auto utf16 = asciiToUtf16(text);
canvas->drawText(utf16.get(), 0, strlen(text), strlen(text), x, y, 0, paint, nullptr);
}
void TestUtils::drawUtf8ToCanvas(Canvas* canvas, const char* text,
const SkPaint& paint, const SkPath& path) {
auto utf16 = asciiToUtf16(text);
canvas->drawTextOnPath(utf16.get(), strlen(text), 0, path, 0, 0, paint, nullptr);
}
void TestUtils::TestTask::run() {
// RenderState only valid once RenderThread is running, so queried here
renderthread::RenderThread& renderThread = renderthread::RenderThread::getInstance();
renderThread.eglManager().initialize();
rtCallback(renderThread);
renderThread.renderState().flush(Caches::FlushMode::Full);
renderThread.eglManager().destroy();
}
std::unique_ptr<uint16_t[]> TestUtils::asciiToUtf16(const char* str) {
const int length = strlen(str);
std::unique_ptr<uint16_t[]> utf16(new uint16_t[length]);
for (int i = 0; i < length; i++) {
utf16.get()[i] = str[i];
}
return utf16;
}
} /* namespace uirenderer */
} /* namespace android */