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office-gobmx/vcl/qa/cppunit/drawmode.cxx
Noel Grandin a214ac6774 simplify and modernise ScopedBitmapAccess 
(*) Make all of it use a "Scoped" paradigm
(*) pass by value, no need to allocate on heap
(*) make all of the construction go via the *Access constructors, instead of it being some via the constructors and some via the Acquire*Access methods.
(*) take the Bitmap& by const& in the constructor, so we can avoid doing const_cast in random places.

Change-Id: Ie03a9145c0965980ee8df9a89b8714a425e18f74
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/160293
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2023-12-07 09:32:14 +01:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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 <test/bootstrapfixture.hxx>
#include <cppunit/TestAssert.h>
#include <tools/color.hxx>
#include <vcl/font.hxx>
#include <vcl/metric.hxx>
#include <vcl/settings.hxx>
#include <vcl/BitmapWriteAccess.hxx>
#include <drawmode.hxx>
class VclDrawModeTest : public test::BootstrapFixture
{
public:
VclDrawModeTest()
: BootstrapFixture(true, false)
{
}
void testDrawModeLineColor();
void testDrawModeFillColor();
void testDrawModeHatchColor();
void testDrawModeTextColor();
void testDrawModeFontColor();
void testDrawModeBitmapEx();
CPPUNIT_TEST_SUITE(VclDrawModeTest);
CPPUNIT_TEST(testDrawModeLineColor);
CPPUNIT_TEST(testDrawModeFillColor);
CPPUNIT_TEST(testDrawModeHatchColor);
CPPUNIT_TEST(testDrawModeTextColor);
CPPUNIT_TEST(testDrawModeFontColor);
CPPUNIT_TEST(testDrawModeBitmapEx);
CPPUNIT_TEST_SUITE_END();
};
void VclDrawModeTest::testDrawModeLineColor()
{
const Color aColor = COL_RED;
const sal_uInt8 cLum = aColor.GetLuminance();
const StyleSettings aStyleSettings;
CPPUNIT_ASSERT_EQUAL(
COL_BLACK, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::BlackLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
COL_WHITE, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::WhiteLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
Color(cLum, cLum, cLum),
vcl::drawmode::GetLineColor(aColor, DrawModeFlags::GrayLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aStyleSettings.GetWindowTextColor(),
vcl::drawmode::GetLineColor(aColor, DrawModeFlags::SettingsLine, aStyleSettings));
Color aTransparentRed = COL_RED;
aTransparentRed.SetAlpha(100);
CPPUNIT_ASSERT_EQUAL(
aTransparentRed,
vcl::drawmode::GetLineColor(aTransparentRed, DrawModeFlags::BlackLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aTransparentRed,
vcl::drawmode::GetLineColor(aTransparentRed, DrawModeFlags::WhiteLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aTransparentRed,
vcl::drawmode::GetLineColor(aTransparentRed, DrawModeFlags::GrayLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aTransparentRed,
vcl::drawmode::GetLineColor(aTransparentRed, DrawModeFlags::SettingsLine, aStyleSettings));
// noops
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::NoFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::BlackFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::WhiteFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::GrayFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::SettingsFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::BlackText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::WhiteText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::GrayText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::SettingsText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::BlackBitmap, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::WhiteBitmap, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetLineColor(aColor, DrawModeFlags::GrayBitmap, aStyleSettings));
}
void VclDrawModeTest::testDrawModeFillColor()
{
const Color aColor = COL_RED;
const sal_uInt8 cLum = aColor.GetLuminance();
const StyleSettings aStyleSettings;
CPPUNIT_ASSERT_EQUAL(COL_TRANSPARENT, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::NoFill,
aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
COL_BLACK, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::BlackFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
COL_WHITE, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::WhiteFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
Color(cLum, cLum, cLum),
vcl::drawmode::GetFillColor(aColor, DrawModeFlags::GrayFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aStyleSettings.GetWindowColor(),
vcl::drawmode::GetFillColor(aColor, DrawModeFlags::SettingsFill, aStyleSettings));
Color aTransparentRed = COL_RED;
aTransparentRed.SetAlpha(100);
CPPUNIT_ASSERT_EQUAL(
aTransparentRed,
vcl::drawmode::GetFillColor(aTransparentRed, DrawModeFlags::BlackLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aTransparentRed,
vcl::drawmode::GetFillColor(aTransparentRed, DrawModeFlags::WhiteLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aTransparentRed,
vcl::drawmode::GetFillColor(aTransparentRed, DrawModeFlags::GrayLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aTransparentRed,
vcl::drawmode::GetFillColor(aTransparentRed, DrawModeFlags::SettingsLine, aStyleSettings));
// noops
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::BlackLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::WhiteLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::GrayLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::SettingsLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::BlackText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::WhiteText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::GrayText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::SettingsText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::BlackBitmap, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::WhiteBitmap, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetFillColor(aColor, DrawModeFlags::GrayBitmap, aStyleSettings));
}
void VclDrawModeTest::testDrawModeHatchColor()
{
const Color aColor = COL_RED;
const sal_uInt8 cLum = aColor.GetLuminance();
const StyleSettings aStyleSettings;
CPPUNIT_ASSERT_EQUAL(
COL_BLACK, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::BlackLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
COL_WHITE, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::WhiteLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
Color(cLum, cLum, cLum),
vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::GrayLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aStyleSettings.GetWindowTextColor(),
vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::SettingsLine, aStyleSettings));
// noops
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::NoFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::BlackFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::WhiteFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::GrayFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::SettingsFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::BlackText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::WhiteText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::GrayText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::SettingsText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::BlackBitmap, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::WhiteBitmap, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetHatchColor(aColor, DrawModeFlags::GrayBitmap, aStyleSettings));
}
void VclDrawModeTest::testDrawModeTextColor()
{
const Color aColor = COL_RED;
const sal_uInt8 cLum = aColor.GetLuminance();
const StyleSettings aStyleSettings;
CPPUNIT_ASSERT_EQUAL(
COL_BLACK, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::BlackText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
COL_WHITE, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::WhiteText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
Color(cLum, cLum, cLum),
vcl::drawmode::GetTextColor(aColor, DrawModeFlags::GrayText, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aStyleSettings.GetWindowTextColor(),
vcl::drawmode::GetTextColor(aColor, DrawModeFlags::SettingsText, aStyleSettings));
// noops
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::BlackLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::WhiteLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::GrayLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::SettingsLine, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::NoFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::BlackFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::WhiteFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::GrayFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::SettingsFill, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::BlackBitmap, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::WhiteBitmap, aStyleSettings));
CPPUNIT_ASSERT_EQUAL(
aColor, vcl::drawmode::GetTextColor(aColor, DrawModeFlags::GrayBitmap, aStyleSettings));
}
void VclDrawModeTest::testDrawModeFontColor()
{
const StyleSettings aStyleSettings;
vcl::Font aFont;
aFont.SetFillColor(COL_RED);
// black text and fill
aFont.SetTransparent(false);
vcl::Font aTestFont = vcl::drawmode::GetFont(
aFont, DrawModeFlags::BlackText | DrawModeFlags::BlackFill, aStyleSettings);
CPPUNIT_ASSERT_EQUAL(COL_BLACK, aTestFont.GetColor());
CPPUNIT_ASSERT_EQUAL(COL_BLACK, aTestFont.GetFillColor());
aFont.SetTransparent(true);
aTestFont = vcl::drawmode::GetFont(aFont, DrawModeFlags::BlackText | DrawModeFlags::BlackFill,
aStyleSettings);
CPPUNIT_ASSERT_EQUAL(COL_BLACK, aTestFont.GetColor());
CPPUNIT_ASSERT_EQUAL(COL_RED, aTestFont.GetFillColor());
// white text and fill
aFont.SetTransparent(false);
aTestFont = vcl::drawmode::GetFont(aFont, DrawModeFlags::WhiteText | DrawModeFlags::WhiteFill,
aStyleSettings);
CPPUNIT_ASSERT_EQUAL(COL_WHITE, aTestFont.GetColor());
CPPUNIT_ASSERT_EQUAL(COL_WHITE, aTestFont.GetFillColor());
aFont.SetTransparent(true);
aTestFont = vcl::drawmode::GetFont(aFont, DrawModeFlags::WhiteText | DrawModeFlags::WhiteFill,
aStyleSettings);
CPPUNIT_ASSERT_EQUAL(COL_WHITE, aTestFont.GetColor());
CPPUNIT_ASSERT_EQUAL(COL_RED, aTestFont.GetFillColor());
// gray text and fill
const sal_uInt8 cTextLum = aFont.GetColor().GetLuminance();
const Color aTextGray(cTextLum, cTextLum, cTextLum);
const sal_uInt8 cFillLum = aFont.GetFillColor().GetLuminance();
const Color aFillGray(cFillLum, cFillLum, cFillLum);
aFont.SetTransparent(false);
aTestFont = vcl::drawmode::GetFont(aFont, DrawModeFlags::GrayText | DrawModeFlags::GrayFill,
aStyleSettings);
CPPUNIT_ASSERT_EQUAL(aTextGray, aTestFont.GetColor());
CPPUNIT_ASSERT_EQUAL(aFillGray, aTestFont.GetFillColor());
aFont.SetTransparent(true);
aTestFont = vcl::drawmode::GetFont(aFont, DrawModeFlags::GrayText | DrawModeFlags::GrayFill,
aStyleSettings);
CPPUNIT_ASSERT_EQUAL(aTextGray, aTestFont.GetColor());
CPPUNIT_ASSERT_EQUAL(COL_RED, aTestFont.GetFillColor());
// no text fill
aFont.SetTransparent(false);
aTestFont = vcl::drawmode::GetFont(aFont, DrawModeFlags::NoFill, aStyleSettings);
CPPUNIT_ASSERT_EQUAL(COL_TRANSPARENT, aTestFont.GetFillColor());
aFont.SetTransparent(true);
aTestFont = vcl::drawmode::GetFont(aFont, DrawModeFlags::NoFill, aStyleSettings);
CPPUNIT_ASSERT_EQUAL(COL_RED, aTestFont.GetFillColor());
// white text and fill
aFont.SetTransparent(false);
aTestFont = vcl::drawmode::GetFont(
aFont, DrawModeFlags::SettingsText | DrawModeFlags::SettingsFill, aStyleSettings);
CPPUNIT_ASSERT_EQUAL(aStyleSettings.GetWindowTextColor(), aTestFont.GetColor());
CPPUNIT_ASSERT_EQUAL(aStyleSettings.GetWindowColor(), aTestFont.GetFillColor());
aFont.SetTransparent(true);
aTestFont = vcl::drawmode::GetFont(
aFont, DrawModeFlags::SettingsText | DrawModeFlags::SettingsFill, aStyleSettings);
CPPUNIT_ASSERT_EQUAL(aStyleSettings.GetWindowTextColor(), aTestFont.GetColor());
CPPUNIT_ASSERT_EQUAL(COL_RED, aTestFont.GetFillColor());
}
void VclDrawModeTest::testDrawModeBitmapEx()
{
const StyleSettings aStyleSettings;
Bitmap aBmp(Size(1, 1), vcl::PixelFormat::N24_BPP);
BitmapWriteAccess(aBmp).SetPixel(0, 0, BitmapColor(COL_RED));
BitmapEx aBmpEx(aBmp);
{
BitmapEx aResultBitmapEx(vcl::drawmode::GetBitmapEx(aBmpEx, DrawModeFlags::GrayBitmap));
Bitmap aResultBitmap(aResultBitmapEx.GetBitmap());
BitmapScopedReadAccess pReadAccess(aResultBitmap);
const BitmapColor& rColor = pReadAccess->GetColor(0, 0);
CPPUNIT_ASSERT_EQUAL(BitmapColor(0x26, 0x26, 0x26), rColor);
}
// any other operation other than DrawModeFlags::GrayBitmap is a noop
{
BitmapEx aResultBitmapEx(vcl::drawmode::GetBitmapEx(aBmpEx, DrawModeFlags::NoFill));
Bitmap aResultBitmap(aResultBitmapEx.GetBitmap());
BitmapScopedReadAccess pReadAccess(aResultBitmap);
const BitmapColor& rColor = pReadAccess->GetColor(0, 0);
CPPUNIT_ASSERT_EQUAL(BitmapColor(COL_RED), rColor);
}
}
CPPUNIT_TEST_SUITE_REGISTRATION(VclDrawModeTest);
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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