From e801c95f84a360092601fc53b58cb71eb39bf203 Mon Sep 17 00:00:00 2001
From: RKrom <robin@getgreenshot.org>
Date: Tue, 24 Jun 2014 11:49:54 +0200
Subject: [PATCH] Fixes for allowing resizing text based containers, rotating
 still doesn't work.

---
 Greenshot/Drawing/StepLabelContainer.cs | 25 ++++++++++++++++++++++--
 Greenshot/Drawing/TextContainer.cs      | 26 ++++++++++++++++++++++++-
 2 files changed, 48 insertions(+), 3 deletions(-)

diff --git a/Greenshot/Drawing/StepLabelContainer.cs b/Greenshot/Drawing/StepLabelContainer.cs
index 5405c8cf2..86e358e5c 100644
--- a/Greenshot/Drawing/StepLabelContainer.cs
+++ b/Greenshot/Drawing/StepLabelContainer.cs
@@ -41,6 +41,8 @@ namespace Greenshot.Drawing {
 
 		private readonly bool _drawAsRectangle = false;
 
+		private float fontSize = 16;
+
 		public StepLabelContainer(Surface parent) : base(parent) {
 			parent.AddStepLabel(this);
 			InitContent();
@@ -151,6 +153,26 @@ namespace Greenshot.Drawing {
 			return true;
 		}
 
+		/// <summary>
+		/// Make sure the size of the font is scaled
+		/// </summary>
+		/// <param name="matrix"></param>
+		public override void Transform(Matrix matrix) {
+			Rectangle rect = GuiRectangle.GetGuiRectangle(Left, Top, Width, Height);
+			int widthBefore = rect.Width;
+			int heightBefore = rect.Height;
+
+			// Transform this container
+			base.Transform(matrix);
+			rect = GuiRectangle.GetGuiRectangle(Left, Top, Width, Height);
+
+			int widthAfter = rect.Width;
+			int heightAfter = rect.Height;
+			float factor = (((float)widthAfter / widthBefore) + ((float)heightAfter / heightBefore)) / 2;
+
+			fontSize *= factor;
+		}
+
 		/// <summary>
 		/// Override the parent, calculate the label number, than draw
 		/// </summary>
@@ -172,8 +194,7 @@ namespace Greenshot.Drawing {
 				EllipseContainer.DrawEllipse(rect, graphics, rm, 0, Color.Transparent, fillColor, false);
 			}
 			using (FontFamily fam = new FontFamily(FontFamily.GenericSansSerif.Name)) {
-				float factor = (((float)rect.Width / DefaultSize.Width) + ((float)rect.Height / DefaultSize.Height)) / 2;
-				using (Font _font = new Font(fam, 16 * factor, FontStyle.Bold, GraphicsUnit.Pixel)) {
+				using (Font _font = new Font(fam, fontSize, FontStyle.Bold, GraphicsUnit.Pixel)) {
 					TextContainer.DrawText(graphics, rect, 0, lineColor, false, _stringFormat, text, _font);
 				}
 			}
diff --git a/Greenshot/Drawing/TextContainer.cs b/Greenshot/Drawing/TextContainer.cs
index ed10195fb..aecda59b6 100644
--- a/Greenshot/Drawing/TextContainer.cs
+++ b/Greenshot/Drawing/TextContainer.cs
@@ -214,7 +214,31 @@ namespace Greenshot.Drawing {
 			_parent.KeysLocked = false;
 			_parent.Controls.Remove(_textBox);
 		}
-		
+
+		/// <summary>
+		/// Make sure the size of the font is scaled
+		/// </summary>
+		/// <param name="matrix"></param>
+		public override void Transform(Matrix matrix) {
+			Rectangle rect = GuiRectangle.GetGuiRectangle(Left, Top, Width, Height);
+			int widthBefore = rect.Width;
+			int heightBefore = rect.Height;
+
+			// Transform this container
+			base.Transform(matrix);
+			rect = GuiRectangle.GetGuiRectangle(Left, Top, Width, Height);
+
+			int widthAfter = rect.Width;
+			int heightAfter = rect.Height;
+			float factor = (((float)widthAfter / widthBefore) + ((float)heightAfter / heightBefore)) / 2;
+
+			float fontSize = GetFieldValueAsFloat(FieldType.FONT_SIZE);
+			fontSize *= factor;
+			SetFieldValue(FieldType.FONT_SIZE, fontSize);
+
+			fontInvalidated = true;
+		}
+
 		protected void UpdateFormat() {
 			string fontFamily = GetFieldValueAsString(FieldType.FONT_FAMILY);
 			bool fontBold = GetFieldValueAsBool(FieldType.FONT_BOLD);