Added 'angle' property for choice fields

src/data/field/choice.cpp

@@ -165,6 +165,7 @@ ChoiceStyle::ChoiceStyle(const ChoiceFieldP& field)
 	, colors_card_list(false)
 	, combine(COMBINE_NORMAL)
 	, alignment(ALIGN_STRETCH)
+	, angle(0)
 	, thumbnails(nullptr)
 	, thumbnail_age(1) // thumbnails were made before the beginning of time
 	, invalidated_images(false)
@@ -231,6 +232,7 @@ IMPLEMENT_REFLECTION(ChoiceStyle) {
 	REFLECT_N("mask",mask_filename);
 	REFLECT(combine);
 	REFLECT(alignment);
+	REFLECT(angle);
 	REFLECT(colors_card_list);
 	REFLECT(font);
 	REFLECT(choice_images);

src/data/field/choice.hpp

@@ -131,6 +131,7 @@ class ChoiceStyle : public Style {
 	ImageCombine                combine;            ///< Combining mode for drawing the images
 	Alignment                   alignment;          ///< Alignment of images
 	Image                       mask;               ///< The actual mask image
+	int                         angle;				///< Angle by which the images are rotated
 	wxImageList*                thumbnails;         ///< Thumbnails for the choices
 	Age                         thumbnail_age;      ///< Age the thumbnails were generated
 	bool                        invalidated_images; ///< Have the images been invalidated?

src/gfx/rotate_image.cpp

@@ -83,13 +83,10 @@ struct Rotate270 {
 // ----------------------------------------------------------------------------- : Interface
 
 Image rotate_image(const Image& image, int angle) {
-	if (angle == 90) {
-		return rotate_image_impl<Rotate90>(image);
-	} else if (angle == 180){
-		return rotate_image_impl<Rotate180>(image);
-	} else if (angle == 270){
-		return rotate_image_impl<Rotate270>(image);
-	} else{
-		return image;
+	switch (angle % 360) {
+		case 90:  return rotate_image_impl<Rotate90> (image);
+		case 180: return rotate_image_impl<Rotate180>(image);
+		case 270: return rotate_image_impl<Rotate270>(image);
+		default:  return image;
 	}
 }

src/render/value/choice.cpp

@@ -43,7 +43,8 @@ void ChoiceValueViewer::draw(RotatedDC& dc) {
 				// draw
 				dc.DrawImage(i->image,
 					align_in_rect(style().alignment, RealSize(i->image.GetWidth(), i->image.GetHeight()), style().getRect()),
-					i->combine == COMBINE_NORMAL ? style().combine : i->combine
+					i->combine == COMBINE_NORMAL ? style().combine : i->combine,
+					style().angle
 				);
 				margin = dc.trInvS(i->image.GetWidth()) + 1;
 			}

src/util/rotation.cpp

@@ -151,8 +151,8 @@ void RotatedDC::DrawBitmap(const Bitmap& bitmap, const RealPoint& pos) {
 		DrawImage(bitmap.ConvertToImage(), pos);
 	}
 }
-void RotatedDC::DrawImage (const Image& image, const RealPoint& pos, ImageCombine combine) {
-	Image rotated = rotate_image(image, angle);
+void RotatedDC::DrawImage (const Image& image, const RealPoint& pos, ImageCombine combine, int angle) {
+	Image rotated = rotate_image(image, angle + this->angle);
 	wxRect r = trNoNegNoZoom(RealRect(pos, RealSize(image.GetWidth(), image.GetHeight())));
 	draw_combine_image(dc, r.x, r.y, rotated, combine);
 }

src/util/rotation.hpp

@@ -142,7 +142,7 @@ class RotatedDC : public Rotation {
 	/// Draw abitmap, it must already be zoomed!
 	void DrawBitmap(const Bitmap& bitmap, const RealPoint& pos);
 	/// Draw an image using the given combining mode, the image must already be zoomed!
-	void DrawImage (const Image& image,   const RealPoint& pos, ImageCombine combine = COMBINE_NORMAL);
+	void DrawImage (const Image& image,   const RealPoint& pos, ImageCombine combine = COMBINE_NORMAL, int angle = 0);
 	void DrawLine  (const RealPoint& p1,  const RealPoint& p2);
 	void DrawRectangle(const RealRect& r);
 	void DrawRoundedRectangle(const RealRect& r, double radius);