From 1e5e914f40503d2a936d1b7db56fcff6d1f8514e Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Wed, 8 Jun 2022 16:43:16 +0800
Subject: ...

---
 src/platform/graphics/cairo/CairoPainter.cpp | 37 ++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/platform/graphics/cairo/CairoPainter.cpp

(limited to 'src/platform/graphics/cairo/CairoPainter.cpp')

diff --git a/src/platform/graphics/cairo/CairoPainter.cpp b/src/platform/graphics/cairo/CairoPainter.cpp
new file mode 100644
index 00000000..c899fc28
--- /dev/null
+++ b/src/platform/graphics/cairo/CairoPainter.cpp
@@ -0,0 +1,37 @@
+#include "cru/platform/graphics/cairo/CairoPainter.h"
+#include "cru/platform/graphics/cairo/Base.h"
+#include "cru/platform/graphics/cairo/CairoResource.h"
+
+namespace cru::platform::graphics::cairo {
+CairoPainter::CairoPainter(CairoGraphicsFactory* factory, cairo_t* cairo,
+                           bool auto_release)
+    : CairoResource(factory), cairo_(cairo), auto_release_(auto_release) {}
+
+CairoPainter::~CairoPainter() {
+  if (auto_release_) {
+    cairo_destroy(cairo_);
+  }
+}
+
+Matrix CairoPainter::GetTransform() {
+  cairo_matrix_t matrix;
+  cairo_get_matrix(cairo_, &matrix);
+  return Convert(matrix);
+}
+
+void CairoPainter::SetTransform(const Matrix& matrix) {
+  auto m = Convert(matrix);
+  cairo_set_matrix(cairo_, &m);
+}
+
+void CairoPainter::ConcatTransform(const Matrix& matrix) {
+  auto m = Convert(matrix);
+  cairo_transform(cairo_, &m);
+}
+
+void CairoPainter::Clear(const Color& color) {
+  cairo_set_source_rgba(cairo_, color.GetFloatRed(), color.GetFloatGreen(),
+                        color.GetFloatBlue(), color.GetFloatAlpha());
+  cairo_paint(cairo_);
+}
+}  // namespace cru::platform::graphics::cairo
-- 
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