125 lines
3.2 KiB
Text
125 lines
3.2 KiB
Text
#-------------------------------------------------------------------------------
|
|
# canvas.Text
|
|
#-------------------------------------------------------------------------------
|
|
# Class for a text element on a canvas
|
|
#
|
|
var Text = {
|
|
new: func(ghost) {
|
|
return { parents: [Text, Element.new(ghost)] };
|
|
},
|
|
|
|
# Set the text
|
|
setText: func(text) {
|
|
me.set("text", typeof(text) == "scalar" ? text : "");
|
|
},
|
|
|
|
getText: func() {
|
|
return me.get("text");
|
|
},
|
|
|
|
# enable reduced property I/O update function
|
|
enableUpdate: func () {
|
|
me._lasttext = "INIT_BLANK";
|
|
me.updateText = func (text)
|
|
{
|
|
if (text == me._lasttext) {return;}
|
|
me._lasttext = text;
|
|
me.set("text", typeof(text) == "scalar" ? text : "");
|
|
};
|
|
},
|
|
|
|
# reduced property I/O text update template
|
|
updateText: func (text) {
|
|
die("updateText() requires enableUpdate() to be called first");
|
|
},
|
|
|
|
|
|
# enable fast setprop-based text writing
|
|
enableFast: func () {
|
|
me._node_path = me._node.getPath()~"/text";
|
|
me.setTextFast = func(text) {
|
|
setprop(me._node_path, text);
|
|
};
|
|
},
|
|
|
|
# fast, setprop-based text writing template
|
|
setTextFast: func (text) {
|
|
die("setTextFast() requires enableFast() to be called first");
|
|
},
|
|
|
|
# append text to an existing string
|
|
appendText: func(text) {
|
|
me.set("text", (me.get("text") or "")~(typeof(text) == "scalar" ? text : ""));
|
|
},
|
|
|
|
# Set alignment
|
|
#
|
|
# @param align String, one of:
|
|
# left-top
|
|
# left-center
|
|
# left-bottom
|
|
# center-top
|
|
# center-center
|
|
# center-bottom
|
|
# right-top
|
|
# right-center
|
|
# right-bottom
|
|
# left-baseline
|
|
# center-baseline
|
|
# right-baseline
|
|
# left-bottom-baseline
|
|
# center-bottom-baseline
|
|
# right-bottom-baseline
|
|
#
|
|
setAlignment: func(align) {
|
|
me.set("alignment", align);
|
|
},
|
|
|
|
# Set the font size
|
|
setFontSize: func(size, aspect = 1) {
|
|
me.setDouble("character-size", size);
|
|
me.setDouble("character-aspect-ratio", aspect);
|
|
},
|
|
|
|
# Set font (by name of font file)
|
|
setFont: func(name) {
|
|
me.set("font", name);
|
|
},
|
|
|
|
# Enumeration of values for drawing mode:
|
|
TEXT: 0x01, # The text itself
|
|
BOUNDINGBOX: 0x02, # A bounding box (only lines)
|
|
FILLEDBOUNDINGBOX: 0x04, # A filled bounding box
|
|
ALIGNMENT: 0x08, # Draw a marker (cross) at the position of the text
|
|
# Set draw mode. Binary combination of the values above. Since I have not
|
|
# found a bitwise "or" we have to use a "+" instead.
|
|
# e.g. my_text.setDrawMode(Text.TEXT + Text.BOUNDINGBOX);
|
|
setDrawMode: func(mode) {
|
|
me.setInt("draw-mode", mode);
|
|
},
|
|
|
|
# Set bounding box padding
|
|
setPadding: func(pad) {
|
|
me.setDouble("padding", pad);
|
|
},
|
|
|
|
setMaxWidth: func(w) {
|
|
me.setDouble("max-width", w);
|
|
},
|
|
|
|
setColor: func {
|
|
me.set("fill", _getColor(arg));
|
|
},
|
|
|
|
getColor: func {
|
|
me.get("fill");
|
|
},
|
|
|
|
setColorFill: func {
|
|
me.set("background", _getColor(arg));
|
|
},
|
|
|
|
getColorFill: func {
|
|
me.get("background");
|
|
},
|
|
};
|