dzc
0a78ff1b58
- lib/print/pavo/：PavoApiW_x64.dll 的 dart:ffi 绑定（结构体布局对齐 C#，W 后缀导出名回退兼容） - pavo_printer.dart：枚举（UTF-8/UTF-16 自动解码）/状态/色带信息/单卡直打/忙碌轮询（3 分钟超时）/LayerHolder 非托管内存管理 - pavo_backend.dart：全部 ffi 调用与像素转换跑在 Isolate.run，主 isolate HTTP 服务零阻塞 - lib/image/card_image.dart：PNG data URL → 纵横比选卡面 → 手动 alpha 铺白底 → BGR24/Gray8 紧凑像素（image 包 compositeImage 对全透明像素非 src-over 语义，改为逐像素混合对齐 C#） - windows/ 目录：从 Flutter SDK windows.tmpl 手动实例化（mac 上 flutter create 拒绝生成的绕过），窗口标题"饭卡打印助手" - windows/vendor/：收录 SDK 的 PavoApiW_x64.dll/PavoCardSDK_x64.dll/HeatTB3.dll/heatthcd.bin，CMake POST_BUILD 自动拷到 exe 旁 - backend.dart 工厂接通 Windows 分支；analyze 零问题、单测 12 个全过
66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
#include "utils.h"
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#include <flutter_windows.h>
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#include <io.h>
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#include <stdio.h>
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#include <windows.h>
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#include <iostream>
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void CreateAndAttachConsole() {
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if (::AllocConsole()) {
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FILE *unused;
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if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
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_dup2(_fileno(stdout), 1);
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}
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if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
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_dup2(_fileno(stdout), 2);
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}
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std::ios::sync_with_stdio();
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FlutterDesktopResyncOutputStreams();
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}
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}
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std::vector<std::string> GetCommandLineArguments() {
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// Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
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int argc;
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wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
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if (argv == nullptr) {
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return std::vector<std::string>();
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}
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std::vector<std::string> command_line_arguments;
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// Skip the first argument as it's the binary name.
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for (int i = 1; i < argc; i++) {
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command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
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}
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::LocalFree(argv);
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return command_line_arguments;
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}
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std::string Utf8FromUtf16(const wchar_t* utf16_string) {
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if (utf16_string == nullptr) {
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return std::string();
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}
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unsigned int target_length = ::WideCharToMultiByte(
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CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
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-1, nullptr, 0, nullptr, nullptr)
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-1; // remove the trailing null character
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int input_length = (int)wcslen(utf16_string);
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std::string utf8_string;
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if (target_length == 0 || target_length > utf8_string.max_size()) {
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return utf8_string;
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}
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utf8_string.resize(target_length);
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int converted_length = ::WideCharToMultiByte(
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CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
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input_length, utf8_string.data(), target_length, nullptr, nullptr);
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if (converted_length == 0) {
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return std::string();
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}
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return utf8_string;
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}
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