Unwanted margin after fo:external-graphic - layout

A margin of 1 mm appears after an image. My XML:
<fo:block-container position="absolute" width="47.6mm" height="160mm" font-family="Verdana">
<fo:block-container position="absolute" height="25mm" space-after="3mm">
<fo:block>
<fo:external-graphic src="release heading.svg" />
</fo:block>
<fo:block font-size="7pt" text-align="start" color="#6f696d" display-align="center" start-indent="0mm" background-color="#efefef">
<fo:table border-collapse="collapse">
...
</fo:table>
</fo:block>
</fo:block-container>
It looks like this:
I do not want the white line.
I tried to set content-height="100%", to no avail:
<fo:external-graphic content-height="100%" src="release heading.svg" />
If I draw margins around the image and the block, it is clear that the margin is between the two:
<fo:block border-style="solid" border-width="thin" border-color="black">
<fo:external-graphic content-height="100%" src="release heading.svg" border-style="solid" border-width="thin" border-color="black"/>
</fo:block>
But how do I get rid of it?

I just found the answer on a FOP forum.
The line-height property is not specified, but calculated to 1.2 * font-size. So the block is higher than the image.
If I set font-size to 0 on the block:
<fo:block font-size="0pt">
<fo:external-graphic content-height="100%" src="release heading.svg"/>
</fo:block>
... the line disappears.

Related

Creating SVG rectangles using HSL

I'm using this to select the color i'm going to paint my rectangle, and with rgb its working.
style = "fill:rgb(144,0,0)"
Now if I try hsl no matter which value I set, it will always be black.
style = "hsl(28, 87%, 67%)"
Whole page code:
<svg width='200.000' height='200.00' xmlns='http://www.w3.org/2000/svg'>
<rect x='10.000' y='10.000' width='50.00' height='50.00' style='hsl(28, 87%, 67%)' />
<rect x='70.000' y='10.000' width='50.00' height='50.00' style='hsl(28, 87%, 67%)' />
</svg>

win10 app - Rounded corner images keeping aspect ratio

Simple app that just displays a list of images. The list of images must keep there aspect ratio, but be full window width + a bit of margin. The hard part is making the images additionally have rounded corners.
Ideas?
Only success I have had is with ImageBrush, but any control using that doesn't keep the aspect ratio. For example, here you must set the height and width.
<Rectangle RadiusX="10" RadiusY="10" Stretch="Fill" Width="100" Height="100" >
<Rectangle.Fill>
<ImageBrush ImageSource="{Binding}"></ImageBrush>
</Rectangle.Fill>
</Rectangle>
full source here: http://1drv.ms/1HlZHVe
I got nicely rounded corners on my images (in my UWP app) by using an ImageBrush, however be careful if you do this programmatically - the first time I did I managed to use my memory rather poorly and consumed too much (poor coding).
I was using the ImageBrush much as you seem to be, but I wasn't getting any distortion of the aspect ratio; make sure you're setting properties like Stretch appropriately - e.g. Stretch.UniformToFill.
<Rectangle x:Name="rctCardFace" Margin="0" RadiusX="20" RadiusY="20" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
<Rectangle.Fill>
<ImageBrush Stretch="UniformToFill"/>
</Rectangle.Fill>
</Rectangle>
Or in C#
Uri path = new Uri(_ActiveStyle.BackgroundImagePath, UriKind.Absolute);
BitmapImage bitmapImage = new BitmapImage(path);
if (_AppReference.CardManager.TempImgBrush == null)
{
_AppReference.CardManager.TempImgBrush = new ImageBrush();
}
_AppReference.CardManager.TempImgBrush.ImageSource = bitmapImage;
_AppReference.CardManager.TempImgBrush.Stretch = _ActiveStyle.BackgroundImageStretch;
_AppReference.CardManager.TempImgBrush.AlignmentX = _ActiveStyle.BackgroundImageAlignX;
_AppReference.CardManager.TempImgBrush.AlignmentY = _ActiveStyle.BackgroundImageAlignY;
cfPreview.ImgB = _AppReference.CardManager.TempImgBrush;
Hi you can use the following code to create a rounded corner image in UWP:
<Ellipse Width="250" Height="250">
<Ellipse.Fill>
<ImageBrush ImageSource="ms-appx:///highfive.jpg" />
</Ellipse.Fill>
</Ellipse>

ZK: Menubar with Buttons

I got a ZUL Page, which is aligned by a "borderlayout". In "north" I got a Menubar, which is aligned left.
Now I want 2x Buttons and 2x Labels in "north", on the opposite direction of the Menubar (right).
I tried:
<north border="none">
<hbox width="100%">
<menubar id="menubar" width="380px">
<menu label="A">
<menupopup>
<menuitem label="A1"/>
</menupopup>
</menu>
....
</menubar>
<hbox vflex="1" hflex="1" align="center">
<div hflex="1"></div>
<label id="B"/>
<button id="C" label="C" />
<button id="D" label="D" />
<label id="E"/>
</hbox>
</hbox>
</north>
which looks fine, but when I set a value for label "b" or "e", the design gets broken.
h**p://i.imgur.com/HnRnxmj.png
The top part in the image is the right looking one, while the bottom one is screwed up. Any Idea how to fix this? The buttons are "fixed width" while both labels can "grow".
Thanks
Your spacer <div> is eating up all the space. Remove this and then set pack of the <hbox> to end.
This gives you something like that:
...
</menubar>
<hbox vflex="1" hflex="1" align="center" pack="end">
<label id="B"/>
...
As a general note I find it quite helpful to use Firefox/Firebug for debugging those layout issues. So one can easily see which resulting DOM is generated by the ZUL code.

How do specify a width percentage in JavaFX 2 using FXML?

I am looking for a way to say set a maxWidth size to 80% in FXML.
Much like in web development.
<VBox fx:id="testVB" prefWidth="600">
But this does not:
<VBox fx:id="testVB" prefWidth="80%">
I know that in Straight JavaFX2 non-fxml you can create insets? What is the best way to do this outside of code in FMXL?
Thanks!
Riley
I'm not sure you can. You need to use the GridPane layout component. In this component, you can specify rows and columns constraints, and in these constraints you can specify a width as a percentage. For example:
<GridPane>
<children>
<TitledPane text="testGridPane" GridPane.columnIndex="0" GridPane.rowIndex="0" />
</children>
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" percentWidth="80.0" prefWidth="100.0" />
<ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" percentWidth="20.0" prefWidth="100.0" />
</columnConstraints>
<rowConstraints>
<RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
</rowConstraints>
</GridPane>
This code defines a GridPane with a first column with a width of 80%. The TitledPane is set in the first cell of the first column of this GridPane, and can (because you need to be sure that the width constraints of the TitledPane match your needs) occupy 80% of the width of the GridPane.
Please note that I removed all information not relevant to your question. By the way, Oracle's Scene Builder tool is very useful to define complex FXML layout.
It seems like many answers have already been provided and they should work. However, there is a way to set percentages:
<fx:define>
<Screen fx:factory="getPrimary" fx:id="screen" />
</fx:define>
This would help you detect the dimensions of the current screen, the application is being displayed on. Now that we have the display dimensions, we can play with it in FXML as follows:
<HBox fx:id="hroot" prefHeight="${screen.visualBounds.height}" prefWidth="${screen.visualBounds.width}"> Your FXML elements inside the root... </HBox>
Note that I use visualBounds, since this would get me the available space on the screen, since I don't want an overlap with the taskbar in Windows for example. For fullscreen applications, you would just use 'bounds'.
Now, to come to your point of using percentages, you can actually play with the value of the prefheight and prefWidth. You can put calculations inside the ${}.
Optionally:
If you want to have all your elements use relative sizes, just refer to them, using their ID and width or height property, and make your calculation.
<VBox fx:id="VBSidebar" prefWidth="${hroot.width*0.15}" prefHeight="${hroot.height}"> more elements.. </VBox>
Hope this helps!
You can simulate it - basic example that simulates 50% for two cols in an HBox. You can add dummy panes to get thirds, etc.
HBox {
VBox {
static hgrow : "ALWAYS",
Label {
text : "Privacy",
alignment : "CENTER",
styleClass : ["h2", "heading"]
}
},
VBox {
static hgrow : "ALWAYS",
Label {
text : "Messages",
alignment : "CENTER",
styleClass : ["h2", "heading"]
},
Label {text:""}
}
}

fitting text into the box

on my website i allow users to create pictures with line of text they specify drawn on the picture
currently i use for that imagemagick convert - i specify svg template and let convert do the rest
here is part of code which is responsible for outputting text in the picture
<text text-anchor="middle" x="50%%" y="%s"
font-family="Times New Roman" font-size="55"
style="fill:rgb(255,255,255);">
%s
</text>
my problem is that if user provides very long strings, the text doesn't fit in the image.
i'd like text to be resized automatically to smaller font if it doesn't fit the picture. is it possible to do with svg templates? if not, what could be other solutions
You could add a script within the SVG template which called when the SVG is loaded and uses getComputedTextLength() to resize the font. It's a bit of a hacky solution, but it seems to work.
Here's a quick example that draws a box and some text inside it. The text should be resized to always fit in the box no matter how long it is (up to point at least):
To call the code when the SVG is loaded include onload="int(evt)" in the SVG tag.
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<svg xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
width="400" height="80"
onload="init(evt)">
Then the actual script:
<script type="text/ecmascript">
<![CDATA[
function init(evt)
{
if ( window.svgDocument == null )
{
svgDocument = evt.target.ownerDocument;
}
maximum_length = 300;
my_text = svgDocument.getElementById('text-to-resize');
for (var font_size=55; font_size>0; font_size--)
{
if(my_text.getComputedTextLength() < maximum_length){break;}
my_text.setAttributeNS(null, "font-size", font_size);
}
}
]]>
</script>
I just used a for loop to decrement the font-size until the text length is less than the maximum specified; I'm sure there's a better way to resize the text.
Finally the actual text and box:
<rect id="rect1" x="20" y="10" width="320" height="50" fill="white" stroke="black"/>
<text id="text-to-resize"
text-anchor="middle"
x="170" y="50"
font-family="Times New Roman" font-size="55">
whatever text
</text>
</svg>
If you change the text, the font-size should change so that it fits inside the box. You'll probably want to change the x- and y- values to correctly centre the text too.
solved by abandoning svg and doing everything with imagemagick convert and mvg template
here's the simplified script example in case anyone's pursuing something similar
script is putting an image and a title on the canvas. title is created with separate convert command, saved as temporary file and then put onto the canvas
#!/bin/sh
TEMPLATE="
push graphic-context
viewbox 0 0 600 600
affine 1 0 0 1 0.0 0.0
push graphic-context
fill 'rgb(0,0,0)'
rectangle 0,0 600,600
pop graphic-context
push graphic-context
image Over 38,38 338,338 '%s'
pop graphic-context
push graphic-context
image Over 36,400 529,55 '%s'
pop graphic-context
pop graphic-context
";
#1. creating label fitting specified proportions
#2. converting mvg template to jpeg image (and trimming it in process)
#3. removing temp file with label
convert -size 529x55 -background black -family "Times New Roman" -gravity center -fill white label:"$2" "tmp/$1title.jpg" && printf "$TEMPLATE" "images/$1.jpg" "tmp/$1title.jpg" | convert mvg:- -trim +repage -bordercolor black -border 36 "images/$1converted.jpg" && rm "tmp/$1title.jpg"
#script parameters: $1 is image id, $2 is title text

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