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af1c530442
* Remove usage of unsafe.Pointer * [windows] Remove MakeIntResource and add overloads for Load functions * Fix `EnumProc` race condition. * Refactor `EnumDisplayMonitors` to use `unsafe.Pointer` instead of `uintptr` Co-authored-by: stffabi <stffabi@users.noreply.github.com>
54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
/*
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* Copyright (C) 2019 The Winc Authors. All Rights Reserved.
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* Copyright (C) 2010-2013 Allen Dang. All Rights Reserved.
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*/
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package winc
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import (
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"errors"
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"fmt"
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"syscall"
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"github.com/wailsapp/wails/v2/internal/frontend/desktop/windows/winc/w32"
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)
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type Icon struct {
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handle w32.HICON
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}
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func NewIconFromFile(path string) (*Icon, error) {
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ico := new(Icon)
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var err error
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if ico.handle = w32.LoadIcon(0, syscall.StringToUTF16Ptr(path)); ico.handle == 0 {
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err = errors.New(fmt.Sprintf("Cannot load icon from %s", path))
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}
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return ico, err
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}
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func NewIconFromResource(instance w32.HINSTANCE, resId uint16) (*Icon, error) {
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ico := new(Icon)
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var err error
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if ico.handle = w32.LoadIconWithResourceID(instance, resId); ico.handle == 0 {
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err = errors.New(fmt.Sprintf("Cannot load icon from resource with id %v", resId))
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}
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return ico, err
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}
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func ExtractIcon(fileName string, index int) (*Icon, error) {
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ico := new(Icon)
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var err error
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if ico.handle = w32.ExtractIcon(fileName, index); ico.handle == 0 || ico.handle == 1 {
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err = errors.New(fmt.Sprintf("Cannot extract icon from %s at index %v", fileName, index))
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}
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return ico, err
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}
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func (ic *Icon) Destroy() bool {
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return w32.DestroyIcon(ic.handle)
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}
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func (ic *Icon) Handle() w32.HICON {
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return ic.handle
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}
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