I could understand the lines 1,2 and 3. But not the remaining. Could you please explain the use of the variable font (font--) and the remaining code. It will be very helpful.
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Question
How can I wrap text in an Image using magickwand?
Hi,
I am using a textarea for inputing text and need to embed the text to an image. Here is my code in a simlified form.
$magick_wand=NewMagickWand
MagickReadImage($magick_wa
$drawing_wand=NewDrawingWa
DrawSetFont($drawing_wand,
DrawSetFontSize($drawing_w
DrawSetGravity($drawing_wa
$pixel_wand=NewPixelWand()
PixelSetColor($pixel_wand,
DrawSetFillColor($drawing_
if (MagickAnnotateImage($magi
{
MagickEchoImageBlob( $magick_wand );
}
else
{
echo MagickGetExceptionString($
}.
In this case "Red Roses" is my text and it is working fine. But when I am working with long text, it will coming out of the image. I need to wrap up the text enterd. Is there any way to wrap the text? Please help me.
Thanking in advance.
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Answers
In my case font size should not be changed. But the tail end of the sentence can be trimmed. No need to show all the sentence. (The program will show error for long text that will not fit in textarea).
I will give more information about the problem.
Here are the main user inputs in the first page:
1) text throuh textarea
2) font size - combobox
3) Font face - combobox
In the second page the program should embed the text in a limited box of a blank image png/jpg. That means if give x, y co-ordinates and width of the limted box, the text should embed within that area. There is no problem with trimming of the text in the end. Is there any way for this in magickwand?
I have found one function named 'DrawSetViewbox'. What is the use of that function?
You might need to use DrawSetClipPath, DrawSetClipRule or DrawSetClipUnits to set a clipping region in your image.
If that does not work, then I suggest one option you can do.
1. Determine the maximum length of text that the image can accommodate using MagickGetCharWidth or MagickGetStringWidth. Set this as MAX_LENGTH_ALLOWED. This is also equal to the width of the base image - (some allowance pixels)
2. Before drawing the text, check if the length is > MAX_LENGTH_ALLOWED. If it is, chop one char from the end of the text and check it again if it is > MAX_LENGTH_ALLOWED.
3. Draw the text.
Hope this helps
hec",)
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by: harris_cPosted on 2007-08-21 at 15:34:04ID: 19742258
You will need to set this to dynamic ---> DrawSetFontSize($drawing_w
Something like
1. get width of image.
2. get width of text.
3. while (2) > (1):
font --;
hec",)