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Side by Side Diff: tools/viewer/win/main_win.cpp

Issue 1944413005: More refactoring for Viewer (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Fix up Android Created 4 years, 7 months ago
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1 /*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include <windows.h>
9 #include <tchar.h>
10
11 #include "SkTypes.h"
12 #include "Timer.h"
13 #include "Window_win.h"
14 #include "../Application.h"
15
16 using sk_app::Application;
17
18 static char* tchar_to_utf8(const TCHAR* str) {
19 #ifdef _UNICODE
20 int size = WideCharToMultiByte(CP_UTF8, 0, str, wcslen(str), NULL, 0, NULL, NULL);
21 char* str8 = (char*)sk_malloc_throw(size + 1);
22 WideCharToMultiByte(CP_UTF8, 0, str, wcslen(str), str8, size, NULL, NULL);
23 str8[size] = '\0';
24 return str8;
25 #else
26 return _strdup(str);
27 #endif
28 }
29
30 static double now_ms() { return SkTime::GetNSecs() * 1e-6; }
31
32 // This file can work with GUI or CONSOLE subsystem types since we define _tWinM ain and main().
33
34 static int main_common(HINSTANCE hInstance, int show, int argc, char**argv);
35
36 int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCm dLine,
37 int nCmdShow) {
38
39 // convert from lpCmdLine to argc, argv.
40 char* argv[4096];
41 int argc = 0;
42 TCHAR exename[1024], *next;
43 int exenameLen = GetModuleFileName(NULL, exename, SK_ARRAY_COUNT(exename));
44 // we're ignoring the possibility that the exe name exceeds the exename buff er
45 (void)exenameLen;
46 argv[argc++] = tchar_to_utf8(exename);
47 TCHAR* arg = _tcstok_s(lpCmdLine, _T(" "), &next);
48 while (arg != NULL) {
49 argv[argc++] = tchar_to_utf8(arg);
50 arg = _tcstok_s(NULL, _T(" "), &next);
51 }
52 int result = main_common(hInstance, nCmdShow, argc, argv);
53 for (int i = 0; i < argc; ++i) {
54 sk_free(argv[i]);
55 }
56 return result;
57 }
58
59 int main(int argc, char**argv) {
60 return main_common(GetModuleHandle(NULL), SW_SHOW, argc, argv);
61 }
62
63 static int main_common(HINSTANCE hInstance, int show, int argc, char**argv) {
64
65 Application* app = Application::Create(argc, argv, (void*)hInstance);
66
67 MSG msg = { 0 };
68
69 double currentTime = 0.0;
70 double previousTime = 0.0;
71
72 // Main message loop
73 while (WM_QUIT != msg.message) {
74 if (PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE)) {
75 TranslateMessage(&msg);
76 DispatchMessage(&msg);
77 } else {
78 previousTime = currentTime;
79 currentTime = now_ms();
80 app->onIdle(currentTime - previousTime);
81 }
82 }
83
84 delete app;
85
86 return (int)msg.wParam;
87 }
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