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Questions tagged [gdkpixbuf]

93 questions
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Image created using Gdk::Pixbuf is garbled upon display

I'm trying to display an image in a window. I'm using C++ with the Gtkmm and Gdkmm libraries. I read the image from disk and create a Gdk::Pixbuf I then display it in a widget. Here's what I see on screen: The actual image is supposed to look…
Sudharshan Saranathan
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How to mask/unmask some of the areas of GdkPixbuf from displaying?

I have a GdkPixbuf data structure loaded from a svg file (Environment - Python3.7; Linux). Depending upon the area of different object id in svg, I want to mask/unmask the GdkPixBuf Image. I have searched the python binding for Gtk, Gdk and…
MS_
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How to open gimp from a gtk program and pass GdkPixbuf?

I have a GdkPixbuf object representing an image, I display this image in my program. Currently the user can save this image and open gimp to load it. Is it possible to open gimp directly from the c program and pass the GdkPixbuf object to gimp?
asalamon74
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GDK: How to refresh transparent background?

In a purely GDK 3.10 (no GTK) project how do I refresh/clear/redraw a transparent background of a GdkWindow? This test.c sets the background correctly on initialization (gdk_window_show()) and when I iconify+deiconify the window but not on resizing…
MattSchmatt
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undefined reference to symbol 'gdk_pixbuf_major_version'

I am unable to link my application: I am getting 'undefined reference to symbol 'gdk_pixbuf_major_version' I am a WIN32 programmer and this is my first foray into Linux. My target device is Ubuntu xenial, GTK+ 3.18.9. From gdk_pixbuf_features.h the…
RSullivan
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Setting a ClutterImage using a GdkPixbuf

I'm trying to do what I would have thought would be trivial, but no matter what I try with a ClutterImage I get the error message Unable to load image data. The language I'm using is Vala, so there's a possibility that the Vapi file for Clutter is…
geoffjay
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Secondary expansion and two makefiles

I have a command with two dollar signs (secondary expansion) $(PREFIX)/bin/gdk-pixbuf-query-loaders > $(shell $(PREFIX)/bin/gdk-pixbuf-query-loaders | awk -F "=" '/LoaderDir/ {print $$2}' | tr -d ' ')/../loaders.cache The shell command should…
B. A. Sylla
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GdkPixbuf can be created with `new_from_data` and `new_from_stream`. Why doesn't the latter require the resolution?

I am trying to understand the basics behind Pixbuf and its factory methods new_from_data and new_from_stream. new_from_data requires a string of bytes containing the image data, and other information such as bits per sample, with and height of…
fstab
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Loading the thumbnail inside an image file into a pixbuf

Photos from cameras contain a thumbnail and the photo itself. The thumbnail is created and used by the cameras to browse quickly without loading the full image. I would like to mimic such behavior with C and Gtk+ 2. Tools such as exiftool or dcraw…
Reza
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Creating a GdkPixbuf from raw Bitmap data

I am trying to port a Clean graphics library (specifically, ObjectIO) to Linux with GDK. The library consists of a non-OS-specific part, which I don't want to touch because of compatibility issues, and an OS-specific part which I can touch. One of…
user1544337
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Gtk2, Gdk2 memory usage gets bigger and bigger every frame update

I have been trying to make a program that takses the active window, and displays it in its window. I have successfully exceeded my goal. But the problem is, it uses a lot of ram, and it keeps using more every frame update(20fps). Here is the source…
marxt12372
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gstreamer and gdkpixbuf sink eats huge amounts of memory - possible leak

I have a simple program which reads GdkPixbufs from a video stream frame by frame. The problem is that the memory usage grows at about 300-400MB per second! That way my 8GB RAM are used up in no time. Valgrind / Cachegrind didn't point me anywhere…
user2590834
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The function "GdkPixbuf.from_file" doesn't work well

I use Lablgtk and all functions except the function "GdkPixbuf.from_file" work well. I can compile the code including the function "GdkPixbuf.from_file", but I can't execute it. When I type the command "./programname" to execute it, I get an error:…
mmsss
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pixbuf.subpixbuf alternative in Gtk3

I have a GTK+ 2 application I am porting to GTK+ 3. I have a function to cut out some part of an image - scaled_pb = pb.scale_simple(w,h, GdkPixbuf.InterpType.BILINEAR) scaled_pb = scaled_pb.subpixbuf(abs((width-w)/2),abs((height-h)/2), width,…
svineet
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GTK+ Draw bitmap as mask using foreground colour

I've made a custom font as a bitmap stored in a XPM-image, and want to be able to draw it with a changeable foreground colour to a GdkDrawable-object. Basically, what I want is to use an image as a font and be able to change the colour. Any…
Per Löwgren
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