tor-browser

The Tor Browser
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TestDrawTargetBase.cpp (3455B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "TestDrawTargetBase.h"
      8 #include <sstream>
      9 
     10 using namespace mozilla;
     11 using namespace mozilla::gfx;
     12 
     13 TestDrawTargetBase::TestDrawTargetBase() {
     14  REGISTER_TEST(TestDrawTargetBase, Initialized);
     15  REGISTER_TEST(TestDrawTargetBase, FillCompletely);
     16  REGISTER_TEST(TestDrawTargetBase, FillRect);
     17 }
     18 
     19 void TestDrawTargetBase::Initialized() { VERIFY(mDT); }
     20 
     21 void TestDrawTargetBase::FillCompletely() {
     22  mDT->FillRect(Rect(0, 0, DT_WIDTH, DT_HEIGHT),
     23                ColorPattern(DeviceColor(0, 0.5f, 0, 1.0f)));
     24 
     25  RefreshSnapshot();
     26 
     27  VerifyAllPixels(DeviceColor(0, 0.5f, 0, 1.0f));
     28 }
     29 
     30 void TestDrawTargetBase::FillRect() {
     31  mDT->FillRect(Rect(0, 0, DT_WIDTH, DT_HEIGHT),
     32                ColorPattern(DeviceColor(0, 0.5f, 0, 1.0f)));
     33  mDT->FillRect(Rect(50, 50, 50, 50),
     34                ColorPattern(DeviceColor(0.5f, 0, 0, 1.0f)));
     35 
     36  RefreshSnapshot();
     37 
     38  VerifyPixel(IntPoint(49, 49), DeviceColor(0, 0.5f, 0, 1.0f));
     39  VerifyPixel(IntPoint(50, 50), DeviceColor(0.5f, 0, 0, 1.0f));
     40  VerifyPixel(IntPoint(99, 99), DeviceColor(0.5f, 0, 0, 1.0f));
     41  VerifyPixel(IntPoint(100, 100), DeviceColor(0, 0.5f, 0, 1.0f));
     42 }
     43 
     44 void TestDrawTargetBase::RefreshSnapshot() {
     45  RefPtr<SourceSurface> snapshot = mDT->Snapshot();
     46  mDataSnapshot = snapshot->GetDataSurface();
     47 }
     48 
     49 void TestDrawTargetBase::VerifyAllPixels(const DeviceColor& aColor) {
     50  uint32_t* colVal = (uint32_t*)mDataSnapshot->GetData();
     51 
     52  uint32_t expected = RGBAPixelFromColor(aColor);
     53 
     54  for (int y = 0; y < DT_HEIGHT; y++) {
     55    for (int x = 0; x < DT_WIDTH; x++) {
     56      if (colVal[y * (mDataSnapshot->Stride() / 4) + x] != expected) {
     57        LogMessage("VerifyAllPixels Failed\n");
     58        mTestFailed = true;
     59        return;
     60      }
     61    }
     62  }
     63 }
     64 
     65 void TestDrawTargetBase::VerifyPixel(const IntPoint& aPoint,
     66                                     mozilla::gfx::DeviceColor& aColor) {
     67  uint32_t* colVal = (uint32_t*)mDataSnapshot->GetData();
     68 
     69  uint32_t expected = RGBAPixelFromColor(aColor);
     70  uint32_t rawActual =
     71      colVal[aPoint.y * (mDataSnapshot->Stride() / 4) + aPoint.x];
     72 
     73  if (rawActual != expected) {
     74    stringstream message;
     75    uint32_t actb = rawActual & 0xFF;
     76    uint32_t actg = (rawActual & 0xFF00) >> 8;
     77    uint32_t actr = (rawActual & 0xFF0000) >> 16;
     78    uint32_t acta = (rawActual & 0xFF000000) >> 24;
     79    uint32_t expb = expected & 0xFF;
     80    uint32_t expg = (expected & 0xFF00) >> 8;
     81    uint32_t expr = (expected & 0xFF0000) >> 16;
     82    uint32_t expa = (expected & 0xFF000000) >> 24;
     83 
     84    message << "Verify Pixel (" << aPoint.x << "x" << aPoint.y
     85            << ") Failed."
     86               " Expected ("
     87            << expr << "," << expg << "," << expb << "," << expa
     88            << ") "
     89               " Got ("
     90            << actr << "," << actg << "," << actb << "," << acta << ")\n";
     91 
     92    LogMessage(message.str());
     93    mTestFailed = true;
     94    return;
     95  }
     96 }
     97 
     98 uint32_t TestDrawTargetBase::RGBAPixelFromColor(const DeviceColor& aColor) {
     99  return uint8_t((aColor.b * 255) + 0.5f) |
    100         uint8_t((aColor.g * 255) + 0.5f) << 8 |
    101         uint8_t((aColor.r * 255) + 0.5f) << 16 |
    102         uint8_t((aColor.a * 255) + 0.5f) << 24;
    103 }