skia2/tools/viewer/sk_app/win/main_win.cpp
jvanverth a8d0d6c8ba More refactoring for Viewer
* Move support files into sk_app and main files up to top directory
* Rename VulkanTestContext and create WindowContext parent class
* Place VulkanWindowContext et al. in sk_app namespace.
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1944413005

Review-Url: https://codereview.chromium.org/1944413005
2016-05-05 12:32:03 -07:00

88 lines
2.4 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <windows.h>
#include <tchar.h>
#include "SkTypes.h"
#include "Timer.h"
#include "Window_win.h"
#include "../Application.h"
using sk_app::Application;
static char* tchar_to_utf8(const TCHAR* str) {
#ifdef _UNICODE
int size = WideCharToMultiByte(CP_UTF8, 0, str, wcslen(str), NULL, 0, NULL, NULL);
char* str8 = (char*)sk_malloc_throw(size + 1);
WideCharToMultiByte(CP_UTF8, 0, str, wcslen(str), str8, size, NULL, NULL);
str8[size] = '\0';
return str8;
#else
return _strdup(str);
#endif
}
static double now_ms() { return SkTime::GetNSecs() * 1e-6; }
// This file can work with GUI or CONSOLE subsystem types since we define _tWinMain and main().
static int main_common(HINSTANCE hInstance, int show, int argc, char**argv);
int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine,
int nCmdShow) {
// convert from lpCmdLine to argc, argv.
char* argv[4096];
int argc = 0;
TCHAR exename[1024], *next;
int exenameLen = GetModuleFileName(NULL, exename, SK_ARRAY_COUNT(exename));
// we're ignoring the possibility that the exe name exceeds the exename buffer
(void)exenameLen;
argv[argc++] = tchar_to_utf8(exename);
TCHAR* arg = _tcstok_s(lpCmdLine, _T(" "), &next);
while (arg != NULL) {
argv[argc++] = tchar_to_utf8(arg);
arg = _tcstok_s(NULL, _T(" "), &next);
}
int result = main_common(hInstance, nCmdShow, argc, argv);
for (int i = 0; i < argc; ++i) {
sk_free(argv[i]);
}
return result;
}
int main(int argc, char**argv) {
return main_common(GetModuleHandle(NULL), SW_SHOW, argc, argv);
}
static int main_common(HINSTANCE hInstance, int show, int argc, char**argv) {
Application* app = Application::Create(argc, argv, (void*)hInstance);
MSG msg = { 0 };
double currentTime = 0.0;
double previousTime = 0.0;
// Main message loop
while (WM_QUIT != msg.message) {
if (PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
} else {
previousTime = currentTime;
currentTime = now_ms();
app->onIdle(currentTime - previousTime);
}
}
delete app;
return (int)msg.wParam;
}