d4efa91ce1
Vendor gotk3 library to ensure consistent GTK3 bindings across environments and simplify dependency management. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
// Same copyright and license as the rest of the files in this project
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// +build !gdk_pixbuf_2_2,!gdk_pixbuf_2_4
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package gdk
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// #cgo pkg-config: gdk-3.0 glib-2.0 gobject-2.0
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// #include <gdk/gdk.h>
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// #include "gdk.go.h"
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// #include "pixbuf.go.h"
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import "C"
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import (
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"errors"
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"runtime"
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"unsafe"
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"github.com/gotk3/gotk3/glib"
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)
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// File Loading
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// PixbufNewFromFileAtScale is a wrapper around gdk_pixbuf_new_from_file_at_scale().
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func PixbufNewFromFileAtScale(filename string, width, height int, preserveAspectRatio bool) (*Pixbuf, error) {
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cstr := C.CString(filename)
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defer C.free(unsafe.Pointer(cstr))
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var err *C.GError = nil
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c := C.gdk_pixbuf_new_from_file_at_scale(cstr, C.int(width), C.int(height),
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gbool(preserveAspectRatio), &err)
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if err != nil {
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defer C.g_error_free(err)
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return nil, errors.New(C.GoString((*C.char)(err.message)))
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}
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if c == nil {
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return nil, nilPtrErr
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}
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obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
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p := &Pixbuf{obj}
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//obj.Ref()
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runtime.SetFinalizer(p, func(_ interface{}) { glib.FinalizerStrategy(obj.Unref) })
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return p, nil
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}
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// Scaling
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// RotateSimple is a wrapper around gdk_pixbuf_rotate_simple().
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func (v *Pixbuf) RotateSimple(angle PixbufRotation) (*Pixbuf, error) {
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c := C.gdk_pixbuf_rotate_simple(v.native(), C.GdkPixbufRotation(angle))
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if c == nil {
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return nil, nilPtrErr
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}
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obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
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p := &Pixbuf{obj}
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//obj.Ref()
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runtime.SetFinalizer(p, func(_ interface{}) { glib.FinalizerStrategy(obj.Unref) })
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return p, nil
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}
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// Flip is a wrapper around gdk_pixbuf_flip().
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func (v *Pixbuf) Flip(horizontal bool) (*Pixbuf, error) {
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c := C.gdk_pixbuf_flip(v.native(), gbool(horizontal))
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if c == nil {
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return nil, nilPtrErr
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}
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obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
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p := &Pixbuf{obj}
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//obj.Ref()
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runtime.SetFinalizer(p, func(_ interface{}) { glib.FinalizerStrategy(obj.Unref) })
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return p, nil
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}
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