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Full range HDR support

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EXR, HDR, JXR and PFM formats support High Dynamic Range images (FP values grater than 1).

In summary, here is the list of changes:

    EXR, HDR, JXR and PFM: When working with FP formats, the clamp between 0 and 1 ​​is no longer done.
    EXR: Removed old SDR code and conversions. Due to the lack of a QImage Gray FP format, Gray images are output as RGB FP (recently added code for Qt 6.8 has been removed).
    PFM: Due to the lack of a QImage Gray FP format, Gray images are output as RGB FP.
    HDR: Added rotation and exposure support.

With this patch, EXR, JXR, HDR, PFM behave like Qt's TIFF plugin when working with FP images.
This commit is contained in:
Mirco Miranda
2024-06-20 15:45:08 +02:00
committed by Albert Astals Cid
parent 4c0f49295b
commit f5a6de7280
24 changed files with 715 additions and 309 deletions
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3
autotests/readtest.cpp
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@ -177,7 +177,8 @@ public:
{
bool ok = true;
if (!m_size.isEmpty()) {
ok = ok && (m_size == image.size());
// Size option return the size without transformation (tested with Qt TIFF plugin).
ok = ok && (m_size == image.size() || m_size == image.size().transposed());
}
if (m_format != QImage::Format_Invalid) {
ok = ok && (m_format == image.format());