gecko-dev/gfx/2d/unittest/TestDrawTargetBase.cpp

104 строки
3.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "TestDrawTargetBase.h"
#include <sstream>
using namespace mozilla;
using namespace mozilla::gfx;
using namespace std;
TestDrawTargetBase::TestDrawTargetBase() {
REGISTER_TEST(TestDrawTargetBase, Initialized);
REGISTER_TEST(TestDrawTargetBase, FillCompletely);
REGISTER_TEST(TestDrawTargetBase, FillRect);
}
void TestDrawTargetBase::Initialized() { VERIFY(mDT); }
void TestDrawTargetBase::FillCompletely() {
mDT->FillRect(Rect(0, 0, DT_WIDTH, DT_HEIGHT),
ColorPattern(Color(0, 0.5f, 0, 1.0f)));
RefreshSnapshot();
VerifyAllPixels(Color(0, 0.5f, 0, 1.0f));
}
void TestDrawTargetBase::FillRect() {
mDT->FillRect(Rect(0, 0, DT_WIDTH, DT_HEIGHT),
ColorPattern(Color(0, 0.5f, 0, 1.0f)));
mDT->FillRect(Rect(50, 50, 50, 50), ColorPattern(Color(0.5f, 0, 0, 1.0f)));
RefreshSnapshot();
VerifyPixel(IntPoint(49, 49), Color(0, 0.5f, 0, 1.0f));
VerifyPixel(IntPoint(50, 50), Color(0.5f, 0, 0, 1.0f));
VerifyPixel(IntPoint(99, 99), Color(0.5f, 0, 0, 1.0f));
VerifyPixel(IntPoint(100, 100), Color(0, 0.5f, 0, 1.0f));
}
void TestDrawTargetBase::RefreshSnapshot() {
RefPtr<SourceSurface> snapshot = mDT->Snapshot();
mDataSnapshot = snapshot->GetDataSurface();
}
void TestDrawTargetBase::VerifyAllPixels(const Color& aColor) {
uint32_t* colVal = (uint32_t*)mDataSnapshot->GetData();
uint32_t expected = RGBAPixelFromColor(aColor);
for (int y = 0; y < DT_HEIGHT; y++) {
for (int x = 0; x < DT_WIDTH; x++) {
if (colVal[y * (mDataSnapshot->Stride() / 4) + x] != expected) {
LogMessage("VerifyAllPixels Failed\n");
mTestFailed = true;
return;
}
}
}
}
void TestDrawTargetBase::VerifyPixel(const IntPoint& aPoint,
mozilla::gfx::Color& aColor) {
uint32_t* colVal = (uint32_t*)mDataSnapshot->GetData();
uint32_t expected = RGBAPixelFromColor(aColor);
uint32_t rawActual =
colVal[aPoint.y * (mDataSnapshot->Stride() / 4) + aPoint.x];
if (rawActual != expected) {
stringstream message;
uint32_t actb = rawActual & 0xFF;
uint32_t actg = (rawActual & 0xFF00) >> 8;
uint32_t actr = (rawActual & 0xFF0000) >> 16;
uint32_t acta = (rawActual & 0xFF000000) >> 24;
uint32_t expb = expected & 0xFF;
uint32_t expg = (expected & 0xFF00) >> 8;
uint32_t expr = (expected & 0xFF0000) >> 16;
uint32_t expa = (expected & 0xFF000000) >> 24;
message << "Verify Pixel (" << aPoint.x << "x" << aPoint.y
<< ") Failed."
" Expected ("
<< expr << "," << expg << "," << expb << "," << expa
<< ") "
" Got ("
<< actr << "," << actg << "," << actb << "," << acta << ")\n";
LogMessage(message.str());
mTestFailed = true;
return;
}
}
uint32_t TestDrawTargetBase::RGBAPixelFromColor(const Color& aColor) {
return uint8_t((aColor.b * 255) + 0.5f) |
uint8_t((aColor.g * 255) + 0.5f) << 8 |
uint8_t((aColor.r * 255) + 0.5f) << 16 |
uint8_t((aColor.a * 255) + 0.5f) << 24;
}