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[LYN-4437] Added 30% opaque overlay to the background image of the Project Manager

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* 30% opaque overlay image to darken down the colors and increase usability and accessibility.
* Some code cleaning.

Signed-off-by: Benjamin Jillich <jillich@amazon.com>
This commit is contained in:
Benjamin Jillich
2021-07-02 14:52:56 +02:00
parent 4a3772d96a
commit 5f9c066626
1 changed files with 17 additions and 8 deletions
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Code/Tools/ProjectManager/Source/ProjectsScreen.cpp
+17 -8
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@@ -269,21 +269,30 @@ namespace O3DE::ProjectManager
// we paint the background here because qss does not support background cover scaling
QPainter painter(this);
auto winSize = size();
auto pixmapRatio = (float)m_background.width() / m_background.height();
auto windowRatio = (float)winSize.width() / winSize.height();
const QSize winSize = size();
const float pixmapRatio = (float)m_background.width() / m_background.height();
const float windowRatio = (float)winSize.width() / winSize.height();
QRect backgroundRect;
if (pixmapRatio > windowRatio)
{
auto newWidth = (int)(winSize.height() * pixmapRatio);
auto offset = (newWidth - winSize.width()) / -2;
painter.drawPixmap(offset, 0, newWidth, winSize.height(), m_background);
const int newWidth = (int)(winSize.height() * pixmapRatio);
const int offset = (newWidth - winSize.width()) / -2;
backgroundRect = QRect(offset, 0, newWidth, winSize.height());
}
else
{
auto newHeight = (int)(winSize.width() / pixmapRatio);
painter.drawPixmap(0, 0, winSize.width(), newHeight, m_background);
const int newHeight = (int)(winSize.width() / pixmapRatio);
backgroundRect = QRect(0, 0, winSize.width(), newHeight);
}
// Draw the background image.
painter.drawPixmap(backgroundRect, m_background);
// Draw a semi-transparent overlay to darken down the colors.
painter.setCompositionMode (QPainter::CompositionMode_DestinationIn);
const float overlayTransparency = 0.7f;
painter.fillRect(backgroundRect, QColor(0, 0, 0, static_cast<int>(255.0f * overlayTransparency)));
}
void ProjectsScreen::HandleNewProjectButton()