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Fix crash when linked image is missing.

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This commit is contained in:
Roman Telezhynskyi 2022-02-11 12:53:51 +02:00
parent e68e44c24b
commit 7494b05b92
4 changed files with 82 additions and 53 deletions
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121
src/libs/ifc/xml/vbackgroundpatternimage.cpp
View file

@ -41,6 +41,34 @@
#include <ciso646>
#include <QSvgRenderer>
const QString VBackgroundPatternImage::brokenImage = QStringLiteral("://icon/svg/broken_path.svg");
namespace
{
//---------------------------------------------------------------------------------------------------------------------
auto ScaleRasterImage(const QImage &image) -> QSize
{
if (image.isNull())
{
return {};
}
const double ratioX = PrintDPI / (image.dotsPerMeterX() / 100. * 2.54);
const double ratioY = PrintDPI / (image.dotsPerMeterY() / 100. * 2.54);
const QSize imageSize = image.size();
return {qRound(imageSize.width()*ratioX), qRound(imageSize.height()*ratioY)};
}
//---------------------------------------------------------------------------------------------------------------------
auto ScaleVectorImage(const QSvgRenderer &renderer) -> QSize
{
const QSize imageSize = renderer.defaultSize();
constexpr double ratio = PrintDPI / 90.;
return {qRound(imageSize.width()*ratio), qRound(imageSize.height()*ratio)};
}
} // namespace
//---------------------------------------------------------------------------------------------------------------------
auto VBackgroundPatternImage::FromFile(const QString &fileName, bool builtIn) -> VBackgroundPatternImage
{
@ -244,60 +272,16 @@ auto VBackgroundPatternImage::Size() const -> QSize
if (not m_size.isValid())
{
auto ScaleRasterImage = [](QImageReader &imageReader)
{
const QImage image = imageReader.read();
const double ratioX = PrintDPI / (image.dotsPerMeterX() / 100. * 2.54);
const double ratioY = PrintDPI / (image.dotsPerMeterY() / 100. * 2.54);
const QSize imageSize = image.size();
return QSize(qRound(imageSize.width()*ratioX), qRound(imageSize.height()*ratioY));
};
auto ScaleVectorImage = [](const QSvgRenderer &renderer)
{
const QSize imageSize = renderer.defaultSize();
constexpr double ratio = PrintDPI / 90.;
return QSize(qRound(imageSize.width()*ratio), qRound(imageSize.height()*ratio));
};
if (not m_filePath.isEmpty())
{
if (Type() == PatternImage::Raster)
{
QImageReader imageReader(m_filePath);
m_size = ScaleRasterImage(imageReader);
return m_size;
}
if (Type() == PatternImage::Vector)
{
QSvgRenderer renderer;
renderer.load(m_filePath);
m_size = ScaleVectorImage(renderer);
return m_size;
}
m_size = LinkedImageSize();
return m_size;
}
if (not m_contentData.isEmpty())
{
QByteArray array = QByteArray::fromBase64(m_contentData);
if (Type() == PatternImage::Raster)
{
QBuffer buffer(&array);
buffer.open(QIODevice::ReadOnly);
QImageReader imageReader(&buffer);
m_size = ScaleRasterImage(imageReader);
return m_size;
}
if (Type() == PatternImage::Vector)
{
QSvgRenderer renderer;
renderer.load(array);
m_size = ScaleVectorImage(renderer);
return m_size;
}
m_size = BuiltInImageSize();
return m_size;
}
}
@ -371,3 +355,44 @@ void VBackgroundPatternImage::SetOpacity(qreal newOpacity)
{
m_opacity = qBound(0.0, newOpacity, 1.0);
}
//---------------------------------------------------------------------------------------------------------------------
auto VBackgroundPatternImage::LinkedImageSize() const -> QSize
{
if (Type() == PatternImage::Raster)
{
const QImage image = QImageReader(m_filePath).read();
return image.isNull() ? ScaleVectorImage(QSvgRenderer(brokenImage)) : ScaleRasterImage(image);
}
if (Type() == PatternImage::Vector)
{
QSvgRenderer renderer(m_filePath);
return not renderer.isValid() ? ScaleVectorImage(QSvgRenderer(brokenImage)) : ScaleVectorImage(renderer);
}
return {};
}
//---------------------------------------------------------------------------------------------------------------------
auto VBackgroundPatternImage::BuiltInImageSize() const -> QSize
{
QByteArray array = QByteArray::fromBase64(m_contentData);
if (Type() == PatternImage::Raster)
{
QBuffer buffer(&array);
buffer.open(QIODevice::ReadOnly);
const QImage image = QImageReader(&buffer).read();
return image.isNull() ? ScaleVectorImage(QSvgRenderer(brokenImage)) : ScaleRasterImage(image);
}
if (Type() == PatternImage::Vector)
{
QSvgRenderer renderer(array);
return not renderer.isValid() ? ScaleVectorImage(QSvgRenderer(brokenImage)) : ScaleVectorImage(renderer);
}
return {};
}

5
src/libs/ifc/xml/vbackgroundpatternimage.h
View file

@ -95,6 +95,8 @@ public:
auto Opacity() const -> qreal;
void SetOpacity(qreal newOpacity);
static const QString brokenImage;
private:
QUuid m_id{QUuid::createUuid()};
QString m_contentType{};
@ -108,6 +110,9 @@ private:
bool m_visible{true};
qreal m_opacity{1.0};
mutable QSize m_size{};
auto LinkedImageSize() const -> QSize;
auto BuiltInImageSize() const -> QSize;
};
#endif // VBACKGROUNDPATTERNIMAGE_H

2
src/libs/vtools/tools/backgroundimage/vbackgroundpixmapitem.cpp
View file

@ -39,7 +39,7 @@ namespace
{
auto InvalidImage() -> QPixmap
{
QImageReader imageReader(QStringLiteral("://icon/svg/broken_path.svg"));
QImageReader imageReader(VBackgroundPatternImage::brokenImage);
return std::move(QPixmap::fromImageReader(&imageReader));
}
}

7
src/libs/vtools/tools/backgroundimage/vbackgroundsvgitem.cpp
View file

@ -92,8 +92,7 @@ auto VBackgroundSVGItem::Renderer() const -> QSvgRenderer *
{
if (Stale())
{
const QString brokenImage = QStringLiteral("://icon/svg/broken_path.svg");
m_renderer->load(brokenImage);
m_renderer->load(VBackgroundPatternImage::brokenImage);
VBackgroundPatternImage image = Image();
if (not image.IsValid())
@ -107,7 +106,7 @@ auto VBackgroundSVGItem::Renderer() const -> QSvgRenderer *
m_renderer->load(image.FilePath());
if (not m_renderer->isValid())
{
m_renderer->load(brokenImage);
m_renderer->load(VBackgroundPatternImage::brokenImage);
}
MakeFresh();
return m_renderer;
@ -118,7 +117,7 @@ auto VBackgroundSVGItem::Renderer() const -> QSvgRenderer *
m_renderer->load(QByteArray::fromBase64(image.ContentData()));
if (not m_renderer->isValid())
{
m_renderer->load(brokenImage);
m_renderer->load(VBackgroundPatternImage::brokenImage);
}
MakeFresh();
return m_renderer;