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PerScreenDpi | QLabels incorrectly handle scale for icons (#4070)

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* Fixes to icon generation. Generating a pixmap out of a size won't take the screen scaling factor into account, resulting in blurry results.
Note that this is not a catchall solution, every case needs to be addressed manually.

Signed-off-by: Danilo Aimini <82231674+AMZN-daimini@users.noreply.github.com>

* HighDpi fixes for startup splashscreen and About dialog

Signed-off-by: Danilo Aimini <82231674+AMZN-daimini@users.noreply.github.com>

* Add helper function to generate appropriate pixmaps for a screen based on its dpi settings.

Signed-off-by: Danilo Aimini <82231674+AMZN-daimini@users.noreply.github.com>
This commit is contained in:
Danilo Aimini
2021-09-14 12:35:56 -07:00
committed by GitHub
parent 73b04d7e34
commit c0426ba465
15 changed files with 94 additions and 31 deletions
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Code/Editor/StartupLogoDialog.cpp
+9 -8
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@@ -9,11 +9,11 @@
// Description : implementation file
#include "EditorDefs.h"
#include "StartupLogoDialog.h"
#include <AzQtComponents/Utilities/PixmapScaleUtilities.h>
// Qt
#include <QPainter>
#include <QThread>
@@ -22,8 +22,6 @@ AZ_PUSH_DISABLE_DLL_EXPORT_MEMBER_WARNING
#include <ui_StartupLogoDialog.h>
AZ_POP_DISABLE_DLL_EXPORT_MEMBER_WARNING
/////////////////////////////////////////////////////////////////////////////
// CStartupLogoDialog dialog
@@ -36,13 +34,16 @@ CStartupLogoDialog::CStartupLogoDialog(QString versionText, QString richTextCopy
m_ui->setupUi(this);
s_pLogoWindow = this;
m_backgroundImage = QPixmap(QStringLiteral(":/StartupLogoDialog/splashscreen_background_developer_preview.jpg"));
setFixedSize(QSize(600, 300));
// Prepare background image
QImage backgroundImage(QStringLiteral(":/StartupLogoDialog/splashscreen_background_developer_preview.jpg"));
m_backgroundImage = QPixmap::fromImage(backgroundImage.scaled(m_enforcedWidth, m_enforcedHeight, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
m_backgroundImage = AzQtComponents::ScalePixmapForScreenDpi(
QPixmap(QStringLiteral(":/StartupLogoDialog/splashscreen_background_developer_preview.jpg")),
screen(),
QSize(m_enforcedWidth, m_enforcedHeight),
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation
);
// Draw the Open 3D Engine logo from svg
m_ui->m_logo->load(QStringLiteral(":/StartupLogoDialog/o3de_logo.svg"));