Source: https://invent.kde.org/office/calligra/-/merge_requests/170

From e374f34eb570cdcd22fecf328282a7956b6e9f76 Mon Sep 17 00:00:00 2001
From: Heiko Becker <heiko.becker@kde.org>
Date: Sat, 7 Feb 2026 00:15:21 +0100
Subject: [PATCH] Fix build with poppler 26.02.0

...and adapt to the changes introduced with
https://gitlab.freedesktop.org/poppler/poppler/-/commit/99433381912d2d5963646cc54ddd22e3c5db071b
---
 filters/karbon/pdf/SvgOutputDev.cpp | 12 ++++++++++++
 filters/karbon/pdf/SvgOutputDev.h   |  8 ++++++++
 2 files changed, 20 insertions(+)

diff --git a/filters/karbon/pdf/SvgOutputDev.cpp b/filters/karbon/pdf/SvgOutputDev.cpp
index 178631e02af..94a5e91087d 100644
--- a/filters/karbon/pdf/SvgOutputDev.cpp
+++ b/filters/karbon/pdf/SvgOutputDev.cpp
@@ -210,7 +210,11 @@ QString SvgOutputDev::convertMatrix(const QTransform &matrix)
     return QString("matrix(%1 %2 %3 %4 %5 %6)").arg(matrix.m11()).arg(matrix.m12()).arg(matrix.m21()).arg(matrix.m22()).arg(matrix.dx()).arg(matrix.dy());
 }
 
+#if POPPLER_VERSION_MACRO < QT_VERSION_CHECK(26, 2, 0)
 QString SvgOutputDev::convertMatrix(const double *matrix)
+#else
+QString SvgOutputDev::convertMatrix(const std::array<double, 6> &matrix)
+#endif
 {
     return QString("matrix(%1 %2 %3 %4 %5 %6)").arg(matrix[0]).arg(matrix[1]).arg(matrix[2]).arg(matrix[3]).arg(matrix[4]).arg(matrix[5]);
 }
@@ -434,7 +438,11 @@ void SvgOutputDev::drawString(GfxState *state, const GooString *s)
     double x = state->getCurX();
     double y = state->getCurY();
 
+#if POPPLER_VERSION_MACRO < QT_VERSION_CHECK(26, 2, 0)
     const double *ctm = state->getCTM();
+#else
+    const std::array<double, 6> &ctm = state->getCTM();
+#endif
     QTransform transform(ctm[0], ctm[1], ctm[2], ctm[3], ctm[4], ctm[5]);
 
     QTransform mirror;
@@ -539,7 +547,11 @@ void SvgOutputDev::drawImage(GfxState *state,
         return;
     }
 
+#if POPPLER_VERSION_MACRO < QT_VERSION_CHECK(26, 2, 0)
     const double *ctm = state->getCTM();
+#else
+    const std::array<double, 6> &ctm = state->getCTM();
+#endif
     QTransform m(ctm[0] / width, ctm[1] / width, -ctm[2] / height, -ctm[3] / height, ctm[2] + ctm[4], ctm[3] + ctm[5]);
 
     QByteArray ba;
diff --git a/filters/karbon/pdf/SvgOutputDev.h b/filters/karbon/pdf/SvgOutputDev.h
index e2a78285332..721894b1de6 100644
--- a/filters/karbon/pdf/SvgOutputDev.h
+++ b/filters/karbon/pdf/SvgOutputDev.h
@@ -12,6 +12,10 @@
 
 #include <QString>
 
+#include <poppler-version.h>
+
+#define POPPLER_VERSION_MACRO ((POPPLER_VERSION_MAJOR << 16) | (POPPLER_VERSION_MINOR << 8) | (POPPLER_VERSION_MICRO))
+
 class GfxPath;
 class QTransform;
 class GooString;
@@ -69,7 +73,11 @@ public:
 private:
     QString convertPath(const GfxPath *path);
     QString convertMatrix(const QTransform &matrix);
+#if POPPLER_VERSION_MACRO < QT_VERSION_CHECK(26, 2, 0)
     QString convertMatrix(const double *matrix);
+#else
+    QString convertMatrix(const std::array<double, 6> &matrix);
+#endif
     QString printFill();
     QString printStroke();
 
-- 
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