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devicescale: Remove 'syscall' package usages (#766)

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This commit is contained in:
Hajime Hoshi 2019-01-04 05:53:18 +09:00
parent f2840bb0dc
commit 5c1b0bbcec
1 changed files with 27 additions and 27 deletions
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54
internal/devicescale/impl_windows.go
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@ -18,8 +18,9 @@ package devicescale
import (
"fmt"
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
const (
@ -36,9 +37,9 @@ type rect struct {
}
var (
user32 = syscall.NewLazyDLL("user32")
gdi32 = syscall.NewLazyDLL("gdi32")
shcore = syscall.NewLazyDLL("shcore")
user32 = windows.NewLazyDLL("user32")
gdi32 = windows.NewLazyDLL("gdi32")
shcore = windows.NewLazyDLL("shcore")
)
var (
@ -59,7 +60,7 @@ var shcoreAvailable = false
type winErr struct {
FuncName string
Code syscall.Errno
Code windows.Errno
Return uintptr
}
@ -74,11 +75,11 @@ func init() {
}
func setProcessDPIAware() error {
r, _, e := syscall.Syscall(procSetProcessDPIAware.Addr(), 0, 0, 0, 0)
if e != 0 {
r, _, e := procSetProcessDPIAware.Call()
if e != nil && e.(windows.Errno) != 0 {
return &winErr{
FuncName: "SetProcessDPIAware",
Code: e,
Code: e.(windows.Errno),
}
}
if r == 0 {
@ -91,11 +92,11 @@ func setProcessDPIAware() error {
}
func getWindowDC(hwnd uintptr) (uintptr, error) {
r, _, e := syscall.Syscall(procGetWindowDC.Addr(), 1, hwnd, 0, 0)
if e != 0 {
r, _, e := procGetWindowDC.Call(hwnd)
if e != nil && e.(windows.Errno) != 0 {
return 0, &winErr{
FuncName: "GetWindowDC",
Code: e,
Code: e.(windows.Errno),
}
}
if r == 0 {
@ -108,11 +109,11 @@ func getWindowDC(hwnd uintptr) (uintptr, error) {
}
func releaseDC(hwnd, hdc uintptr) error {
r, _, e := syscall.Syscall(procReleaseDC.Addr(), 2, hwnd, hdc, 0)
if e != 0 {
r, _, e := procReleaseDC.Call(hwnd, hdc)
if e != nil && e.(windows.Errno) != 0 {
return &winErr{
FuncName: "ReleaseDC",
Code: e,
Code: e.(windows.Errno),
}
}
if r == 0 {
@ -125,22 +126,22 @@ func releaseDC(hwnd, hdc uintptr) error {
}
func getDeviceCaps(hdc uintptr, nindex int) (int, error) {
r, _, e := syscall.Syscall(procGetDeviceCaps.Addr(), 2, hdc, uintptr(nindex), 0)
if e != 0 {
r, _, e := procGetDeviceCaps.Call(hdc, uintptr(nindex))
if e != nil && e.(windows.Errno) != 0 {
return 0, &winErr{
FuncName: "GetDeviceCaps",
Code: e,
Code: e.(windows.Errno),
}
}
return int(r), nil
}
func monitorFromRect(lprc uintptr, dwFlags int) (uintptr, error) {
r, _, e := syscall.Syscall(procMonitorFromRect.Addr(), 2, lprc, uintptr(dwFlags), 0)
if e != 0 {
r, _, e := procMonitorFromRect.Call(lprc, uintptr(dwFlags))
if e != nil && e.(windows.Errno) != 0 {
return 0, &winErr{
FuncName: "MonitorFromRect",
Code: e,
Code: e.(windows.Errno),
}
}
if r == 0 {
@ -153,11 +154,11 @@ func monitorFromRect(lprc uintptr, dwFlags int) (uintptr, error) {
}
func getMonitorInfo(hMonitor uintptr, lpMonitorInfo uintptr) error {
r, _, e := syscall.Syscall(procGetMonitorInfo.Addr(), 2, hMonitor, lpMonitorInfo, 0)
if e != 0 {
r, _, e := procGetMonitorInfo.Call(hMonitor, lpMonitorInfo)
if e != nil && e.(windows.Errno) != 0 {
return &winErr{
FuncName: "GetMonitorInfo",
Code: e,
Code: e.(windows.Errno),
}
}
if r == 0 {
@ -170,12 +171,11 @@ func getMonitorInfo(hMonitor uintptr, lpMonitorInfo uintptr) error {
}
func getDpiForMonitor(hMonitor uintptr, dpiType uintptr, dpiX, dpiY uintptr) error {
r, _, e := syscall.Syscall6(procGetDpiForMonitor.Addr(), 4,
hMonitor, dpiType, dpiX, dpiY, 0, 0)
if e != 0 {
r, _, e := procGetDpiForMonitor.Call(hMonitor, dpiType, dpiX, dpiY)
if e != nil && e.(windows.Errno) != 0 {
return &winErr{
FuncName: "GetDpiForMonitor",
Code: e,
Code: e.(windows.Errno),
}
}
if r != 0 {