Add help for "Picture transform" menu

Fix help for Y-flip
GUI skins: Add some characters in help fonts.

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@766 416bcca6-2ee7-4201-b75f-2eb2f807beb1

helpfile.h

@@ -185,10 +185,10 @@ static const T_Help_table helptable_help[] =
   HELP_LINK ("Pick brush:          %s",   0x100+BUTTON_BRUSH)
   HELP_LINK ("Pick polyform brush: %s",   0x100+BUTTON_POLYBRUSH)
   HELP_LINK ("Restore brush:       %s",   0x200+BUTTON_BRUSH)
-  HELP_LINK ("Flip X:              %s",   SPECIAL_FLIP_X)
-  HELP_LINK ("Flip Y:              %s",   SPECIAL_FLIP_Y)
-  HELP_LINK ("90' brush rotation:  %s",   SPECIAL_ROTATE_90)
-  HELP_LINK ("180' brush rotation: %s",   SPECIAL_ROTATE_180)
+  HELP_LINK ("Flip brush X:        %s",   SPECIAL_FLIP_X)
+  HELP_LINK ("Flip brush Y:        %s",   SPECIAL_FLIP_Y)
+  HELP_LINK ("90° brush rotation:  %s",   SPECIAL_ROTATE_90)
+  HELP_LINK ("180° brush rotation: %s",   SPECIAL_ROTATE_180)
   HELP_LINK ("Stretch brush:       %s",   SPECIAL_STRETCH)
   HELP_LINK ("Distort brush:       %s",   SPECIAL_DISTORT)
   HELP_LINK ("Outline brush:       %s",   SPECIAL_OUTLINE)
@@ -564,17 +564,53 @@ static const T_Help_table helptable_adjust[] =
   HELP_TEXT ("")
   HELP_TITLE("PICTURE TRANSFORM")
   HELP_TEXT ("")
+  HELP_BOLD ("RESCALE")
+  HELP_TEXT ("")
+  HELP_TEXT ("Allows you to change the image's size,")
+  HELP_TEXT ("rescaling it accordingly. Enter new size")
+  HELP_TEXT ("and press RESIZE to confirm.")
   HELP_TEXT ("")
   HELP_TEXT ("")
+  HELP_TEXT ("When 'Lock proportions' is checked and you")
+  HELP_TEXT ("change one dimension, the other one is")
+  HELP_TEXT ("automatically adjusted to preserve the")
+  HELP_TEXT ("proportions of the original image.")
   HELP_TEXT ("")
+  HELP_TEXT ("You can use the dropdown button to choose")
+  HELP_TEXT ("between three ways to enter the dimensions:")
   HELP_TEXT ("")
+  HELP_TEXT ("In 'Pixels' mode, the column 'old' shows")
+  HELP_TEXT ("the original dimensions, and you can set")
+  HELP_TEXT ("the new size in pixels.")
   HELP_TEXT ("")
+  HELP_TEXT ("In 'Percent' mode, you set a percentage")
+  HELP_TEXT ("compared to the original image.")
   HELP_TEXT ("")
+  HELP_TEXT ("In 'Ratio' mode, you can set 2 numbers for")
+  HELP_TEXT ("each dimension, and the resizing factor will")
+  HELP_TEXT ("be of 'new'÷'old'. For example you can use")
+  HELP_TEXT ("1:3 to divide the image by three, 2:1 to")
+  HELP_TEXT ("double it, and any fraction like 15:16.")
   HELP_TEXT ("")
+  HELP_TEXT ("Be careful that moving from one mode to the")
+  HELP_TEXT ("next can lose precision, if the selected")
+  HELP_TEXT ("dimensions cannot be represented exactly in")
+  HELP_TEXT ("the new mode.")
   HELP_TEXT ("")
+  HELP_BOLD ("MIRROR")
   HELP_TEXT ("")
+  HELP_TEXT ("- X: Flip the picture horizontally.")
   HELP_TEXT ("")
+  HELP_TEXT ("- Y: Flip the picture vertically.")
   HELP_TEXT ("")
+  HELP_BOLD ("ROTATE")
+  HELP_TEXT ("")
+  HELP_TEXT ("-90°: Rotates the image by 90°")
+  HELP_TEXT ("      clockwise.")
+  HELP_TEXT ("")
+  HELP_TEXT ("+90°: Rotates the image by 90°")
+  HELP_TEXT ("      counter-clockwise.")
+  HELP_TEXT ("180°: Rotates the image by 180°")
   HELP_TEXT ("")
   HELP_TEXT ("")
 };
@@ -1035,15 +1071,15 @@ static const T_Help_table helptable_brush_fx[] =
   HELP_TEXT ("are available:")
   HELP_TEXT ("")
   HELP_LINK ("- X: (Key:%s)",SPECIAL_FLIP_X)
-  HELP_TEXT ("Flip on the horizontal axis.")
+  HELP_TEXT ("Flip horizontally.")
   HELP_TEXT ("")
   HELP_LINK ("- Y: (Key:%s)",SPECIAL_FLIP_Y)
-  HELP_TEXT ("Flip on the horizontal axis.")
+  HELP_TEXT ("Flip vertically.")
   HELP_TEXT ("")
-  HELP_LINK ("- Rotate by 90: (Key:%s)",SPECIAL_ROTATE_90)
+  HELP_LINK ("- Rotate by 90°: (Key:%s)",SPECIAL_ROTATE_90)
   HELP_TEXT ("Rotates the brush by an angle of 90 degrees.")
   HELP_TEXT ("")
-  HELP_LINK ("- Rotate by 180: (Key:%s)",SPECIAL_ROTATE_180)
+  HELP_LINK ("- Rotate by 180°: (Key:%s)",SPECIAL_ROTATE_180)
   HELP_TEXT ("Rotates the brush by an angle of 180")
   HELP_TEXT ("degrees.")
   HELP_TEXT ("")