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Questions tagged [drawtext]

340 questions
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SkiaSharp how to right align text with another object

If I want to use DrawText to draw some text on the canvas, but I want the text to end at the center of the screen, how can I do that? I tried setting the x parameter in DrawText to the middle of the screen, and then right aligning inside of the…
Jimmy
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C# GDI How to draw text to fit in rectangle?

We can draw a text inside a rectangle easily. Currently I would like to draw a text inside and FIT a rectangle. Please help.
Paimiya
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Add text with FFMpeg drawtext at specific time

I'm adding text to an animated GIF. I would like the text to appear at a specific time, though, and I'm unable to do that. This is what I have: ffmpeg -i image.gif -vf…
nkkollaw
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How to use multi colors in drawtext FFmpeg

How can i use multi colors in drawtext ffmpeg. for example text='NATIONAL PARK' , now i want 'NATIONAL' in blue and 'PARK' in red. How can i do that in FFmpeg.
RSMEENA
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How to rotate horizontally a text created by drawTextonPath in circle?

I have a function that draws a text on a canvas with drawTextOnPath. I calculated offset everything works fine, but I want to draw it in a particular way. Currently texts rotation offset is equal to circles offset. I want to rotate the text by 90/45…
Bob
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Draw text on camera while taking image

I have developed a android camera application using this tutorialspoint tutorial My purpose is that on opening app i will enter a text which i want to be shown on taking image I am using a surface view to display the image preview while capturing…
Priyanka Ambavale
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Drawing text with mixed font styles to a canvas

I am trying to draw some text to a canvas, where the same font is used for all characters, but different font styles are used. To give an example, let us say I want to draw a string to a canvas, with all vowels in bold and all consonants in regular.…
Emmanuel Ichbiah
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DrawText draws Segoe UI font texts incorrectly

I encountered one problem with drawing texts using the Windows API DrawText call for the Segoe UI font: This image demonstrates the problem: the specified text is shifted a little bit to the right in the specified rectangle so the last character is…
TecMan
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android direction and alignment of drawtext

I'm writing an android program that writes some text on image using "drawtext" method of "Canvas" class. So i want to set alignment and direction of the text because my text is in Persian language In order to set the alignment of the text i have…
Amir
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Newline character in a text using canvas.drawText

I'm doing an Android Game, and I'm using a function like this to show texts on the device screen: public void drawString(String text, int x, int y, Paint paint) { canvas.drawText(text, x, y, paint); } And I try to show the following…
user2204353
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iOS: Draw text on UIView with LineWidth 1px

I have a scenario where I will have to draw a text on a UIView. For which my code is - (void)drawRect:(CGRect)iRect { [super drawRect:iRect]; CGContextRef aContext = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(aContext,…
user1280350
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How to Render text to bitmap and draw it

I am new to android, and my group is currently creating a graphing application using a GlSurfaceView using opengl es 2.0. We have recently displayed the grid and tickmarks on the plot and now I have been assigned the task to implement a numeric…
Dylan Haines
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How to draw text with in a specified rect in android?

Is there a method to draw text with in a specified rectangle? I am drawing directly to a canvas(ImageView) using canvas.drawText(text,x,y,paint) But this drew the entire text in a single line. I want to wrap the text with in the specified (x,y)…
Devu Soman
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QPainter::drawText, get bounding boxes for each character

I'm using QPainter to draw multiline text on QImage. However, I also need to display a colored rectangle around each character's bounding box. So I need to know the bounding box that each character had when being drawn. For example,…
sashoalm
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How to use ffmpeg to add a text to avi video?

I am trying to put a simple text on the bottom of video using ffmpeg on Ubuntu 12.04 . I tried this which is suggested in several places: ffmpeg -i input.avi -vf drawtext="fontfile=/usr/share/fonts/truetype/ttf-dejavu/DejaVuSerif.ttf:text='Text to…
qliq
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