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>
52 lines
1.6 KiB
Go
52 lines
1.6 KiB
Go
// +build !gtk_3_6,!gtk_3_8
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// Supports building with gtk 3.10+
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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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import "C"
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import (
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"runtime"
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"unsafe"
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"github.com/gotk3/gotk3/cairo"
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"github.com/gotk3/gotk3/glib"
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)
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// TODO:
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// gdk_device_get_position_double().
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// GetScaleFactor is a wrapper around gdk_window_get_scale_factor().
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func (v *Window) GetScaleFactor() int {
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return int(C.gdk_window_get_scale_factor(v.native()))
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}
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// CreateSimilarImageSurface is a wrapper around gdk_window_create_similar_image_surface().
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func (v *Window) CreateSimilarImageSurface(format cairo.Format, w, h, scale int) (*cairo.Surface, error) {
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surface := C.gdk_window_create_similar_image_surface(v.native(), C.cairo_format_t(format), C.gint(w), C.gint(h), C.gint(scale))
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status := cairo.Status(C.cairo_surface_status(surface))
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if status != cairo.STATUS_SUCCESS {
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return nil, cairo.ErrorStatus(status)
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}
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return cairo.NewSurface(uintptr(unsafe.Pointer(surface)), false), nil
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}
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// CairoSurfaceCreateFromPixbuf is a wrapper around gdk_cairo_surface_create_from_pixbuf().
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func CairoSurfaceCreateFromPixbuf(pixbuf *Pixbuf, scale int, window *Window) (*cairo.Surface, error) {
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v := C.gdk_cairo_surface_create_from_pixbuf(pixbuf.native(), C.gint(scale), window.native())
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status := cairo.Status(C.cairo_surface_status(v))
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if status != cairo.STATUS_SUCCESS {
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return nil, cairo.ErrorStatus(status)
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}
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surface := cairo.WrapSurface(uintptr(unsafe.Pointer(v)))
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runtime.SetFinalizer(surface, func(v *cairo.Surface) { glib.FinalizerStrategy(v.Close) })
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return surface, nil
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}
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