1 files changed, 42 insertions, 0 deletions
diff --git a/doc/src/snippets/code/src_gui_painting_qtransform.cpp b/doc/src/snippets/code/src_gui_painting_qtransform.cpp
new file mode 100644
index 0000000..91b1e94
--- /dev/null
+++ b/doc/src/snippets/code/src_gui_painting_qtransform.cpp
@@ -0,0 +1,42 @@
+//! [0]
+x' = m11*x + m21*y + dx
+y' = m22*y + m12*x + dy
+if (is not affine) {
+    w' = m13*x + m23*y + m33
+    x' /= w'
+    y' /= w'
+}
+//! [0]
+
+
+//! [1]
+x' = m11*x + m21*y + dx
+y' = m22*y + m12*x + dy
+if (is not affine) {
+    w' = m13*x + m23*y + m33
+    x' /= w'
+    y' /= w'
+}
+//! [1]
+
+
+//! [2]
+x' = m11*x + m21*y + dx
+y' = m22*y + m12*x + dy
+if (is not affine) {
+    w' = m13*x + m23*y + m33
+    x' /= w'
+    y' /= w'
+}
+//! [2]
+
+
+//! [3]
+x' = m11*x + m21*y + dx
+y' = m22*y + m12*x + dy
+if (is not affine) {
+    w' = m13*x + m23*y + m33
+    x' /= w'
+    y' /= w'
+}
+//! [3]