1 files changed, 107 insertions, 0 deletions
diff --git a/include/cru/win/graphics/direct/ConvertUtil.h b/include/cru/win/graphics/direct/ConvertUtil.h
new file mode 100644
index 00000000..8066a265
--- /dev/null
+++ b/include/cru/win/graphics/direct/ConvertUtil.h
@@ -0,0 +1,107 @@
+#pragma once
+#include "Base.h"
+
+#include "cru/platform/graphics/Base.h"
+
+namespace cru::platform::graphics::win::direct {
+inline D2D1_MATRIX_3X2_F Convert(const platform::Matrix& matrix) {
+  D2D1_MATRIX_3X2_F m;
+  m._11 = matrix.m11;
+  m._12 = matrix.m12;
+  m._21 = matrix.m21;
+  m._22 = matrix.m22;
+  m._31 = matrix.m31;
+  m._32 = matrix.m32;
+  return m;
+}
+
+inline D2D1_COLOR_F Convert(const Color& color) {
+  return D2D1::ColorF(color.red / 255.0f, color.green / 255.0f,
+                      color.blue / 255.0f, color.alpha / 255.0f);
+}
+
+inline D2D1_POINT_2F Convert(const Point& point) {
+  return D2D1::Point2F(point.x, point.y);
+}
+
+inline D2D1_RECT_F Convert(const Rect& rect) {
+  return D2D1::RectF(rect.left, rect.top, rect.left + rect.width,
+                     rect.top + rect.height);
+}
+
+inline D2D1_ROUNDED_RECT Convert(const RoundedRect& rounded_rect) {
+  return D2D1::RoundedRect(Convert(rounded_rect.rect), rounded_rect.radius_x,
+                           rounded_rect.radius_y);
+}
+
+inline D2D1_ELLIPSE Convert(const Ellipse& ellipse) {
+  return D2D1::Ellipse(Convert(ellipse.center), ellipse.radius_x,
+                       ellipse.radius_y);
+}
+
+inline platform::Matrix Convert(const D2D1_MATRIX_3X2_F& matrix) {
+  return platform::Matrix{matrix._11, matrix._12, matrix._21,
+                          matrix._22, matrix._31, matrix._32};
+}
+
+inline Color Convert(const D2D1_COLOR_F& color) {
+  auto floor = [](float n) { return static_cast<std::uint8_t>(n + 0.5f); };
+  return Color{floor(color.r * 255.0f), floor(color.g * 255.0f),
+               floor(color.b * 255.0f), floor(color.a * 255.0f)};
+}
+
+inline Point Convert(const D2D1_POINT_2F& point) {
+  return Point(point.x, point.y);
+}
+
+inline Rect Convert(const D2D1_RECT_F& rect) {
+  return Rect(rect.left, rect.top, rect.right - rect.left,
+              rect.bottom - rect.top);
+}
+
+inline RoundedRect Convert(const D2D1_ROUNDED_RECT& rounded_rect) {
+  return RoundedRect(Convert(rounded_rect.rect), rounded_rect.radiusX,
+                     rounded_rect.radiusY);
+}
+
+inline Ellipse Convert(const D2D1_ELLIPSE& ellipse) {
+  return Ellipse(Convert(ellipse.point), ellipse.radiusX, ellipse.radiusY);
+}
+
+inline bool operator==(const D2D1_POINT_2F& left, const D2D1_POINT_2F& right) {
+  return left.x == right.x && left.y == right.y;
+}
+
+inline bool operator!=(const D2D1_POINT_2F& left, const D2D1_POINT_2F& right) {
+  return !(left == right);
+}
+
+inline bool operator==(const D2D1_RECT_F& left, const D2D1_RECT_F& right) {
+  return left.left == right.left && left.top == right.top &&
+         left.right == right.right && left.bottom == right.bottom;
+}
+
+inline bool operator!=(const D2D1_RECT_F& left, const D2D1_RECT_F& right) {
+  return !(left == right);
+}
+
+inline bool operator==(const D2D1_ROUNDED_RECT& left,
+                       const D2D1_ROUNDED_RECT& right) {
+  return left.rect == right.rect && left.radiusX == right.radiusX &&
+         left.radiusY == right.radiusY;
+}
+
+inline bool operator!=(const D2D1_ROUNDED_RECT& left,
+                       const D2D1_ROUNDED_RECT& right) {
+  return !(left == right);
+}
+
+inline bool operator==(const D2D1_ELLIPSE& left, const D2D1_ELLIPSE& right) {
+  return left.point == right.point && left.radiusX == right.radiusX &&
+         left.radiusY == right.radiusY;
+}
+
+inline bool operator!=(const D2D1_ELLIPSE& left, const D2D1_ELLIPSE& right) {
+  return !(left == right);
+}
+}  // namespace cru::platform::graphics::win::direct