commit 93d890be4f4065d5e4f3e4abe3ebd0325003893a · dunkirk.sh/shortwave

.cache/clangd/index/main.cpp.47C66B394CD74271.idx

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.cache/clangd/index/qr.h.B46974D52593BF02.idx

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+11 -1

CMakeLists.txt

···

       7
       7
        
       # Target Windows XP compatibility

     

       8
       8
        
       add_definitions(-DWINVER=0x0501)

     

       9
       9
        
       add_definitions(-D_WIN32_WINNT=0x0501)

     

       10
       10
       +
       add_definitions(-D_WIN32_WINNT_WIN2K=0x0500)

     

       11
       11
       +
       add_definitions(-DMINGW_HAS_SECURE_API=1)

     

       12
       12
       +
       

     

       13
       13
       +
       # Disable threading to avoid mcfgthread dependency

     

       14
       14
       +
       add_compile_options(-fno-threadsafe-statics)

     

       15
       15
       +
       add_compile_options(-D_GLIBCXX_HAS_GTHREADS=0)

     

       10
       16
        
       

     

       11
       17
        
       add_executable(HelloWorldApp WIN32 main.cpp)

     

       12
       18
        
       target_link_libraries(HelloWorldApp user32 gdi32)

     

       13
       19
        
       

     

       14
       14
       -
       # Minimal static linking

     

       20
       20
       +
       # Include current directory for headers

     

       21
       21
       +
       target_include_directories(HelloWorldApp PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})

     

       22
       22
       +
       

     

       23
       23
       +
       # Minimal static linking and avoid threading dependencies

     

       15
       24
        
       target_link_options(HelloWorldApp PRIVATE 

     

       16
       25
        
           -static-libgcc 

     

       17
       26
        
           -static-libstdc++

     

       27
       27
       +
           -static

     

       18
       28
        
           -Wl,--subsystem,windows:5.01

     

       19
       29
        
       )

     

       20
       30

+82 -12

flake.nix

···

       36
       36
        
                   '';

     

       37
       37
        
                   

     

       38
       38
        
                   buildPhase = ''

     

       39
       39
       +
                     export LDFLAGS="-static -static-libgcc -static-libstdc++"

     

       39
       40
        
                     cmake -DCMAKE_BUILD_TYPE=Release \

     

       40
       41
        
                           -DCMAKE_SYSTEM_NAME=Windows \

     

       41
       42
        
                           -DCMAKE_C_COMPILER=$CC \

     

       42
       42
       -
                           -DCMAKE_CXX_COMPILER=$CXX .

     

       43
       43
       +
                           -DCMAKE_CXX_COMPILER=$CXX \

     

       44
       44
       +
                           -DCMAKE_EXE_LINKER_FLAGS="$LDFLAGS" .

     

       43
       45
        
                     make VERBOSE=1

     

       44
       46
        
                   '';

     

       45
       47
        
                   

     
···

       52
       54
        
                 deploy-to-xp = pkgs.writeShellScriptBin "deploy-to-xp" ''

     

       53
       55
        
                   XP_DIR="$HOME/Documents/xp-drive"

     

       54
       56
        
                   mkdir -p "$XP_DIR"

     

       55
       55
       -
                   cp ${self'.packages.hello-world-app}/bin/HelloWorld.exe "$XP_DIR/"

     

       56
       56
       -
                   echo "Deployed HelloWorld.exe to $XP_DIR"

     

       57
       57
       +
                   

     

       58
       58
       +
                   # Handle Windows file locking by using a temporary name first

     

       59
       59
       +
                   TEMP_NAME="HelloWorld_new.exe"

     

       60
       60
       +
                   OLD_NAME="HelloWorld_old.exe"

     

       61
       61
       +
                   FINAL_NAME="HelloWorld.exe"

     

       62
       62
       +
                   

     

       63
       63
       +
                   echo "Deploying to $XP_DIR..."

     

       64
       64
       +
                   

     

       65
       65
       +
                   # Copy to temporary name first

     

       66
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       +
                   if cp ${self'.packages.hello-world-app}/bin/HelloWorld.exe "$XP_DIR/$TEMP_NAME"; then

     

       67
       67
       +
                     echo "✓ Copied new version as $TEMP_NAME"

     

       68
       68
       +
                     

     

       69
       69
       +
                     # If the original exists, try to rename it

     

       70
       70
       +
                     if [ -f "$XP_DIR/$FINAL_NAME" ]; then

     

       71
       71
       +
                       if mv "$XP_DIR/$FINAL_NAME" "$XP_DIR/$OLD_NAME" 2>/dev/null; then

     

       72
       72
       +
                         echo "✓ Backed up old version as $OLD_NAME"

     

       73
       73
       +
                       else

     

       74
       74
       +
                         echo "⚠ Warning: Could not backup old version (file may be in use)"

     

       75
       75
       +
                         echo "  Close the application on XP and try again, or manually rename files"

     

       76
       76
       +
                         echo "  New version is available as: $TEMP_NAME"

     

       77
       77
       +
                         exit 1

     

       78
       78
       +
                       fi

     

       79
       79
       +
                     fi

     

       80
       80
       +
                     

     

       81
       81
       +
                     # Move temp to final name

     

       82
       82
       +
                     if mv "$XP_DIR/$TEMP_NAME" "$XP_DIR/$FINAL_NAME"; then

     

       83
       83
       +
                       echo "✓ Deployed HelloWorld.exe successfully"

     

       84
       84
       +
                       

     

       85
       85
       +
                       # Clean up old backup if it exists

     

       86
       86
       +
                       if [ -f "$XP_DIR/$OLD_NAME" ]; then

     

       87
       87
       +
                         rm -f "$XP_DIR/$OLD_NAME" 2>/dev/null || echo "  (Old backup file remains)"

     

       88
       88
       +
                       fi

     

       89
       89
       +
                     else

     

       90
       90
       +
                       echo "✗ Failed to finalize deployment"

     

       91
       91
       +
                       exit 1

     

       92
       92
       +
                     fi

     

       93
       93
       +
                   else

     

       94
       94
       +
                     echo "✗ Failed to copy new version"

     

       95
       95
       +
                     exit 1

     

       96
       96
       +
                   fi

     

       97
       97
       +
                   

     

       98
       98
       +
                   echo ""

     

       99
       99
       +
                   echo "Deployment complete! 🎉"

     

       100
       100
       +
                   echo "You can now run the updated application on XP"

     

       57
       101
        
                 '';

     

       58
       102
        
                 

     

       59
       103
        
                 setup-dev = pkgs.writeShellScriptBin "setup-dev" ''

     

       60
       104
        
                   echo "Setting up development environment for Zed..."

     

       61
       105
        
                   

     

       62
       106
        
                   # Get the proper MinGW headers - use the known path from our build

     

       107
       107
       +
                   GCC_BASE="/nix/store/l2gk3vvpdf33jf3gnfljyyx3dgwks8zp-i686-w64-mingw32-stage-final-gcc-debug-10.3.0/i686-w64-mingw32"

     

       108
       108
       +
                   SYS_INCLUDE="$GCC_BASE/sys-include"

     

       63
       109
        
                   MINGW_MAIN_INCLUDE="/nix/store/hhbkp872dkayzd2qxfhkdc4rgn393g52-mingw-w64-i686-w64-mingw32-9.0.0-dev/include"

     

       110
       110
       +
                   MCFGTHREAD_INCLUDE="/nix/store/21c6w351iwpblnfz2m9v3ssvxcmqsz7h-mcfgthreads-i686-w64-mingw32-git-dev/include"

     

       111
       111
       +
                   CPP_INCLUDE="$GCC_BASE/include/c++/10.3.0"

     

       112
       112
       +
                   CPP_TARGET_INCLUDE="$CPP_INCLUDE/i686-w64-mingw32"

     

       64
       113
        
                   

     

       65
       65
       -
                   # Verify it exists, if not try to find it dynamically

     

       114
       114
       +
                   # Verify paths exist

     

       115
       115
       +
                   if [ ! -f "$SYS_INCLUDE/stdlib.h" ]; then

     

       116
       116
       +
                     echo "Error: Could not find C standard library at $SYS_INCLUDE"

     

       117
       117
       +
                     exit 1

     

       118
       118
       +
                   fi

     

       119
       119
       +
                   

     

       66
       120
        
                   if [ ! -f "$MINGW_MAIN_INCLUDE/windows.h" ]; then

     

       67
       67
       -
                     echo "Static path not found, searching dynamically..."

     

       68
       68
       -
                     MINGW_MAIN_INCLUDE=$(i686-w64-mingw32-gcc -v -E - < /dev/null 2>&1 | sed -n '/mingw-w64.*-dev\/include/p' | head -1 | awk '{print $2}')

     

       69
       69
       -
                     

     

       70
       70
       -
                     if [ -z "$MINGW_MAIN_INCLUDE" ] || [ ! -f "$MINGW_MAIN_INCLUDE/windows.h" ]; then

     

       71
       71
       -
                       echo "Error: Could not find proper MinGW headers with windows.h"

     

       72
       72
       -
                       exit 1

     

       73
       73
       -
                     fi

     

       121
       121
       +
                     echo "Error: Could not find MinGW headers at $MINGW_MAIN_INCLUDE"

     

       122
       122
       +
                     exit 1

     

       123
       123
       +
                   fi

     

       124
       124
       +
                   

     

       125
       125
       +
                   if [ ! -f "$CPP_INCLUDE/vector" ]; then

     

       126
       126
       +
                     echo "Error: Could not find C++ standard library at $CPP_INCLUDE"

     

       127
       127
       +
                     exit 1

     

       128
       128
       +
                   fi

     

       129
       129
       +
                   

     

       130
       130
       +
                   if [ ! -f "$MCFGTHREAD_INCLUDE/mcfgthread/gthread.h" ]; then

     

       131
       131
       +
                     echo "Error: Could not find mcfgthread headers at $MCFGTHREAD_INCLUDE"

     

       132
       132
       +
                     exit 1

     

       74
       133
        
                   fi

     

       75
       134
        
                   

     

       76
       135
        
                   # Create simplified .clangd config to avoid intrinsics issues

     
···

       87
       146
        
                       - -std=c++17

     

       88
       147
        
                       - -fno-builtin

     

       89
       148
        
                       - -D__NO_INLINE__

     

       149
       149
       +
                       - -isystem

     

       150
       150
       +
                       - $SYS_INCLUDE

     

       90
       151
        
                       - -isystem

     

       91
       152
        
                       - $MINGW_MAIN_INCLUDE

     

       153
       153
       +
                       - -isystem

     

       154
       154
       +
                       - $MCFGTHREAD_INCLUDE

     

       155
       155
       +
                       - -isystem

     

       156
       156
       +
                       - $CPP_INCLUDE

     

       157
       157
       +
                       - -isystem

     

       158
       158
       +
                       - $CPP_TARGET_INCLUDE

     

       92
       159
        
                     Remove:

     

       93
       160
        
                       - -I*/gcc/*/include

     

       94
       161
        
                   EOF

     
···

       105
       172
        
                   EOF

     

       106
       173
        
                   

     

       107
       174
        
                   echo "Generated simplified .clangd config and compile_commands.json"

     

       175
       175
       +
                   echo "Using C standard library: $SYS_INCLUDE"

     

       108
       176
        
                   echo "Using MinGW headers: $MINGW_MAIN_INCLUDE"

     

       177
       177
       +
                   echo "Using mcfgthread headers: $MCFGTHREAD_INCLUDE"

     

       178
       178
       +
                   echo "Using C++ headers: $CPP_INCLUDE"

     

       109
       179
        
                   echo ""

     

       110
       110
       -
                   echo "This avoids GCC intrinsics that cause clang issues"

     

       180
       180
       +
                   echo "This includes complete C/C++ standard libraries and Win32 APIs"

     

       111
       181
        
                   echo "Restart Zed for the changes to take effect"

     

       112
       182
        
                 '';

     

       113
       183

+99 -10

main.cpp

···

       1
       1
        
       #include <windows.h>

     

       2
       2
       +
       #include "qr.h"

     

       2
       3
        
       

     

       3
       4
        
       #define ID_ABOUT 1001

     

       4
       5
        
       #define ID_EXIT 1002

     

       6
       6
       +
       #define ID_GENERATE_QR 1003

     

       5
       7
        
       

     

       6
       8
        
       LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);

     

       9
       9
       +
       

     

       10
       10
       +
       // Global QR code instance - static allocation, no new/delete

     

       11
       11
       +
       QRCode g_qrCode;

     

       12
       12
       +
       BOOL g_hasQrCode = FALSE;

     

       13
       13
       +
       char g_qrText[256] = "Hello World!";

     

       7
       14
        
       

     

       8
       15
        
       int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, LPSTR, int nCmdShow) {

     

       9
       16
        
           const char* CLASS_NAME = "HelloWorldWindow";

     
···

       34
       41
        
           

     

       35
       42
        
           // Create menu

     

       36
       43
        
           HMENU hMenu = CreateMenu();

     

       37
       37
       -
           HMENU hSubMenu = CreatePopupMenu();

     

       38
       44
        
           

     

       39
       39
       -
           AppendMenu(hSubMenu, MF_STRING, ID_ABOUT, "&About");

     

       40
       40
       -
           AppendMenu(hSubMenu, MF_SEPARATOR, 0, NULL);

     

       41
       41
       -
           AppendMenu(hSubMenu, MF_STRING, ID_EXIT, "E&xit");

     

       42
       42
       -
           AppendMenu(hMenu, MF_STRING | MF_POPUP, (UINT_PTR)hSubMenu, "&Help");

     

       45
       45
       +
           // Tools menu

     

       46
       46
       +
           HMENU hToolsMenu = CreatePopupMenu();

     

       47
       47
       +
           AppendMenu(hToolsMenu, MF_STRING, ID_GENERATE_QR, "&Generate QR Pattern");

     

       48
       48
       +
           AppendMenu(hMenu, MF_STRING | MF_POPUP, (UINT_PTR)hToolsMenu, "&Tools");

     

       49
       49
       +
           

     

       50
       50
       +
           // Help menu

     

       51
       51
       +
           HMENU hHelpMenu = CreatePopupMenu();

     

       52
       52
       +
           AppendMenu(hHelpMenu, MF_STRING, ID_ABOUT, "&About");

     

       53
       53
       +
           AppendMenu(hHelpMenu, MF_SEPARATOR, 0, NULL);

     

       54
       54
       +
           AppendMenu(hHelpMenu, MF_STRING, ID_EXIT, "E&xit");

     

       55
       55
       +
           AppendMenu(hMenu, MF_STRING | MF_POPUP, (UINT_PTR)hHelpMenu, "&Help");

     

       43
       56
        
           

     

       44
       57
        
           SetMenu(hwnd, hMenu);

     

       45
       58
        
           

     
···

       57
       70
        
       

     

       58
       71
        
       LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {

     

       59
       72
        
           switch (uMsg) {

     

       73
       73
       +
               case WM_SIZE:

     

       74
       74
       +
                   // Trigger repaint when window is resized

     

       75
       75
       +
                   InvalidateRect(hwnd, NULL, TRUE);

     

       76
       76
       +
                   return 0;

     

       77
       77
       +
                   

     

       60
       78
        
               case WM_DESTROY:

     

       79
       79
       +
                   // No cleanup needed for static allocation

     

       61
       80
        
                   PostQuitMessage(0);

     

       62
       81
        
                   return 0;

     

       63
       82
        
                   

     
···

       68
       87
        
                   RECT rect;

     

       69
       88
        
                   GetClientRect(hwnd, &rect);

     

       70
       89
        
                   

     

       71
       71
       -
                   // Center the text

     

       72
       72
       -
                   SetTextAlign(hdc, TA_CENTER);

     

       73
       73
       -
                   SetBkMode(hdc, TRANSPARENT);

     

       74
       74
       -
                   TextOut(hdc, rect.right / 2, rect.bottom / 2 - 10, "Hello World!", 12);

     

       90
       90
       +
                   if (g_hasQrCode) {

     

       91
       91
       +
                       // Draw QR code - calculate size based on window

     

       92
       92
       +
                       int qrSize = QRCode_GetSize();

     

       93
       93
       +
                       int moduleSize = 8;

     

       94
       94
       +
                       int qrPixelSize = qrSize * moduleSize;

     

       95
       95
       +
                       

     

       96
       96
       +
                       // Center horizontally and vertically with some padding

     

       97
       97
       +
                       int startX = (rect.right - qrPixelSize) / 2;

     

       98
       98
       +
                       int startY = (rect.bottom - qrPixelSize - 80) / 2; // Leave space for text

     

       99
       99
       +
                       

     

       100
       100
       +
                       QRCode_DrawToHDC(&g_qrCode, hdc, startX, startY, moduleSize);

     

       101
       101
       +
                       

     

       102
       102
       +
                       // Draw text below QR code

     

       103
       103
       +
                       SetTextAlign(hdc, TA_CENTER);

     

       104
       104
       +
                       SetBkMode(hdc, TRANSPARENT);

     

       105
       105
       +
                       int textLen = 0;

     

       106
       106
       +
                       while (g_qrText[textLen]) textLen++; // Calculate length

     

       107
       107
       +
                       TextOut(hdc, rect.right / 2, startY + qrPixelSize + 20, 

     

       108
       108
       +
                              g_qrText, textLen);

     

       109
       109
       +
                              

     

       110
       110
       +
                       // Add disclaimer

     

       111
       111
       +
                       const char* disclaimer = "(Visual demo - not scannable)";

     

       112
       112
       +
                       int disclaimerLen = 0;

     

       113
       113
       +
                       while (disclaimer[disclaimerLen]) disclaimerLen++;

     

       114
       114
       +
                       TextOut(hdc, rect.right / 2, startY + qrPixelSize + 40, 

     

       115
       115
       +
                              disclaimer, disclaimerLen);

     

       116
       116
       +
                   } else {

     

       117
       117
       +
                       // Default view - center in current window size

     

       118
       118
       +
                       SetTextAlign(hdc, TA_CENTER);

     

       119
       119
       +
                       SetBkMode(hdc, TRANSPARENT);

     

       120
       120
       +
                       int centerY = rect.bottom / 2;

     

       121
       121
       +
                       TextOut(hdc, rect.right / 2, centerY - 10, "Hello World!", 12);

     

       122
       122
       +
                       TextOut(hdc, rect.right / 2, centerY + 10, 

     

       123
       123
       +
                              "Use Tools > Generate QR Pattern", 32);

     

       124
       124
       +
                   }

     

       75
       125
        
                   

     

       76
       126
        
                   EndPaint(hwnd, &ps);

     

       77
       127
        
                   return 0;

     
···

       84
       134
        
                                                 "Version: 1.0.0\n"

     

       85
       135
        
                                                 "Built by: Kieran Klukas\n\n"

     

       86
       136
        
                                                 "A simple Win32 application\n"

     

       87
       87
       -
                                                 "compatible with Windows XP";

     

       137
       137
       +
                                                 "compatible with Windows XP\n\n"

     

       138
       138
       +
                                                 "Features:\n"

     

       139
       139
       +
                                                 "- QR Pattern Generation (visual demo)\n"

     

       140
       140
       +
                                                 "- XP Compatible Design\n"

     

       141
       141
       +
                                                 "- Pure Win32 API";

     

       88
       142
        
                           MessageBox(hwnd, aboutText, "About Hello World App", 

     

       89
       143
        
                                     MB_OK | MB_ICONINFORMATION);

     

       144
       144
       +
                           break;

     

       145
       145
       +
                       }

     

       146
       146
       +
                       case ID_GENERATE_QR: {

     

       147
       147
       +
                           // Simple input dialog using InputBox simulation

     

       148
       148
       +
                           if (MessageBox(hwnd, "Generate QR code pattern for current text?\n\n(Note: This creates a visual QR-like pattern for demo purposes,\nnot a scannable QR code)\n\nClick OK to use default text,\nor Cancel to cycle through presets.", 

     

       149
       149
       +
                                         "Generate QR Pattern", MB_OKCANCEL | MB_ICONQUESTION) == IDCANCEL) {

     

       150
       150
       +
                               

     

       151
       151
       +
                               // For now, use a simple preset - in a real app you'd want a proper input dialog

     

       152
       152
       +
                               const char* presets[] = {

     

       153
       153
       +
                                   "Hello World!",

     

       154
       154
       +
                                   "https://github.com/taciturnaxolotl/shortwave",

     

       155
       155
       +
                                   "Made with love by Kieran Klukas",

     

       156
       156
       +
                                   "Windows XP Forever!",

     

       157
       157
       +
                                   "QR codes are cool!"

     

       158
       158
       +
                               };

     

       159
       159
       +
                               

     

       160
       160
       +
                               static int presetIndex = 0;

     

       161
       161
       +
                               const char* selectedText = presets[presetIndex % 5];

     

       162
       162
       +
                               presetIndex++;

     

       163
       163
       +
                               

     

       164
       164
       +
                               // Copy selected text to global buffer

     

       165
       165
       +
                               int i = 0;

     

       166
       166
       +
                               while (selectedText[i] && i < 255) {

     

       167
       167
       +
                                   g_qrText[i] = selectedText[i];

     

       168
       168
       +
                                   i++;

     

       169
       169
       +
                               }

     

       170
       170
       +
                               g_qrText[i] = '\0';

     

       171
       171
       +
                           }

     

       172
       172
       +
                           

     

       173
       173
       +
                           // Generate new QR code - no new/delete, just reinitialize

     

       174
       174
       +
                           QRCode_Init(&g_qrCode, g_qrText);

     

       175
       175
       +
                           g_hasQrCode = TRUE;

     

       176
       176
       +
                           

     

       177
       177
       +
                           // Refresh the window

     

       178
       178
       +
                           InvalidateRect(hwnd, NULL, TRUE);

     

       90
       179
        
                           break;

     

       91
       180
        
                       }

     

       92
       181
        
                       case ID_EXIT:

+176

qr.h

···

       1
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       #pragma once

     

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       #include <windows.h>

     

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       #define QR_SIZE 21

     

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       #define MAX_TEXT_LEN 256

     

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       // Pure C struct for QR code - no C++ classes

     

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       typedef struct {

     

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           BOOL modules[QR_SIZE][QR_SIZE];

     

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           char text[MAX_TEXT_LEN];

     

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       } QRCode;

     

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       // Function prototypes

     

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       void QRCode_Init(QRCode* qr, const char* inputText);

     

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       void QRCode_GeneratePattern(QRCode* qr);

     

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       void QRCode_AddFinderPattern(QRCode* qr, int x, int y);

     

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       BOOL QRCode_IsReserved(int x, int y);

     

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       void QRCode_DrawToHDC(QRCode* qr, HDC hdc, int startX, int startY, int moduleSize);

     

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       int QRCode_GetSize(void);

     

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       const char* QRCode_GetText(QRCode* qr);

     

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       // Implementation

     

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       void QRCode_Init(QRCode* qr, const char* inputText) {

     

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           int x, y, i;

     

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           // Initialize modules array

     

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           for (y = 0; y < QR_SIZE; y++) {

     

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               for (x = 0; x < QR_SIZE; x++) {

     

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                   qr->modules[y][x] = FALSE;

     

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               }

     

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           }

     

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           // Copy text (safe copy)

     

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           i = 0;

     

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           while (inputText[i] && i < MAX_TEXT_LEN - 1) {

     

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               qr->text[i] = inputText[i];

     

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               i++;

     

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           }

     

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           qr->text[i] = '\0';

     

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           // Generate pattern

     

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           QRCode_GeneratePattern(qr);

     

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       }

     

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       void QRCode_GeneratePattern(QRCode* qr) {

     

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           int i, x, y;

     

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           unsigned int hash = 0;

     

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           unsigned char textBytes[MAX_TEXT_LEN];

     

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           int textLen = 0;

     

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           // Add finder patterns (corners)

     

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           QRCode_AddFinderPattern(qr, 0, 0);

     

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           QRCode_AddFinderPattern(qr, QR_SIZE - 7, 0);

     

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           QRCode_AddFinderPattern(qr, 0, QR_SIZE - 7);

     

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           // Add timing patterns

     

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           for (i = 8; i < QR_SIZE - 8; i++) {

     

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               qr->modules[6][i] = (i % 2 == 0) ? TRUE : FALSE;

     

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               qr->modules[i][6] = (i % 2 == 0) ? TRUE : FALSE;

     

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           }

     

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           // Convert text to bytes and calculate length

     

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           while (qr->text[textLen] && textLen < MAX_TEXT_LEN - 1) {

     

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               textBytes[textLen] = (unsigned char)qr->text[textLen];

     

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               textLen++;

     

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           }

     

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           // Add format information (fake but realistic looking)

     

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           // These would normally encode error correction level and mask pattern

     

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           qr->modules[8][0] = TRUE;

     

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           qr->modules[8][1] = FALSE;

     

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           qr->modules[8][2] = TRUE;

     

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           qr->modules[8][3] = TRUE;

     

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           qr->modules[8][4] = FALSE;

     

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           qr->modules[8][5] = TRUE;

     

       76
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       +
           

     

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           // Add data in a more realistic zigzag pattern

     

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           int bitIndex = 0;

     

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           BOOL upward = TRUE;

     

       80
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       +
           

     

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           for (x = QR_SIZE - 1; x > 0; x -= 2) {

     

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               if (x == 6) x--; // Skip timing column

     

       83
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       +
               

     

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               for (i = 0; i < QR_SIZE; i++) {

     

       85
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                   y = upward ? (QR_SIZE - 1 - i) : i;

     

       86
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       +
                   

     

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                   // Fill two columns (right to left)

     

       88
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                   for (int col = 0; col < 2; col++) {

     

       89
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                       int currentX = x - col;

     

       90
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                       if (currentX >= 0 && !QRCode_IsReserved(currentX, y)) {

     

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                           // Use text data in a more structured way

     

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                           BOOL bit = FALSE;

     

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                           if (bitIndex < textLen * 8) {

     

       94
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                               int byteIndex = bitIndex / 8;

     

       95
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                               int bitPos = 7 - (bitIndex % 8);

     

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                               bit = (textBytes[byteIndex] >> bitPos) & 1;

     

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                               bitIndex++;

     

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                           } else {

     

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                               // Padding pattern

     

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                               bit = ((currentX + y) % 3 == 0) ? TRUE : FALSE;

     

       101
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                           }

     

       102
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                           qr->modules[y][currentX] = bit;

     

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                       }

     

       104
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                   }

     

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               }

     

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               upward = !upward;

     

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           }

     

       108
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       }

     

       109
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       +
       

     

       110
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       void QRCode_AddFinderPattern(QRCode* qr, int x, int y) {

     

       111
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       +
           int dx, dy;

     

       112
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       +
           BOOL dark;

     

       113
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       +
           

     

       114
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       +
           for (dy = 0; dy < 7; dy++) {

     

       115
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       +
               for (dx = 0; dx < 7; dx++) {

     

       116
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                   if (x + dx < QR_SIZE && y + dy < QR_SIZE) {

     

       117
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                       dark = (dx == 0 || dx == 6 || dy == 0 || dy == 6 ||

     

       118
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                              (dx >= 2 && dx <= 4 && dy >= 2 && dy <= 4)) ? TRUE : FALSE;

     

       119
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                       qr->modules[y + dy][x + dx] = dark;

     

       120
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                   }

     

       121
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       +
               }

     

       122
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           }

     

       123
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       +
       }

     

       124
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       +
       

     

       125
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       +
       BOOL QRCode_IsReserved(int x, int y) {

     

       126
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           // Check if position is part of finder patterns

     

       127
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           if ((x < 9 && y < 9) || 

     

       128
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       +
               (x >= QR_SIZE - 8 && y < 9) || 

     

       129
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       +
               (x < 9 && y >= QR_SIZE - 8)) {

     

       130
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       +
               return TRUE;

     

       131
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       +
           }

     

       132
       132
       +
           

     

       133
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       +
           // Check timing patterns

     

       134
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       +
           if (x == 6 || y == 6) {

     

       135
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       +
               return TRUE;

     

       136
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       +
           }

     

       137
       137
       +
           

     

       138
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       +
           // Check format information areas

     

       139
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       +
           if ((x < 9 && y == 8) || (x == 8 && y < 9)) {

     

       140
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       +
               return TRUE;

     

       141
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       +
           }

     

       142
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       +
           if ((x >= QR_SIZE - 8 && y == 8) || (x == 8 && y >= QR_SIZE - 7)) {

     

       143
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       +
               return TRUE;

     

       144
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       +
           }

     

       145
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       +
           

     

       146
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       +
           return FALSE;

     

       147
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       +
       }

     

       148
       148
       +
       

     

       149
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       +
       void QRCode_DrawToHDC(QRCode* qr, HDC hdc, int startX, int startY, int moduleSize) {

     

       150
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       +
           HBRUSH blackBrush = CreateSolidBrush(RGB(0, 0, 0));

     

       151
       151
       +
           HBRUSH whiteBrush = CreateSolidBrush(RGB(255, 255, 255));

     

       152
       152
       +
           int x, y;

     

       153
       153
       +
           RECT rect;

     

       154
       154
       +
           

     

       155
       155
       +
           for (y = 0; y < QR_SIZE; y++) {

     

       156
       156
       +
               for (x = 0; x < QR_SIZE; x++) {

     

       157
       157
       +
                   rect.left = startX + x * moduleSize;

     

       158
       158
       +
                   rect.top = startY + y * moduleSize;

     

       159
       159
       +
                   rect.right = startX + (x + 1) * moduleSize;

     

       160
       160
       +
                   rect.bottom = startY + (y + 1) * moduleSize;

     

       161
       161
       +
                   

     

       162
       162
       +
                   FillRect(hdc, &rect, qr->modules[y][x] ? blackBrush : whiteBrush);

     

       163
       163
       +
               }

     

       164
       164
       +
           }

     

       165
       165
       +
           

     

       166
       166
       +
           DeleteObject(blackBrush);

     

       167
       167
       +
           DeleteObject(whiteBrush);

     

       168
       168
       +
       }

     

       169
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       +
       

     

       170
       170
       +
       int QRCode_GetSize(void) {

     

       171
       171
       +
           return QR_SIZE;

     

       172
       172
       +
       }

     

       173
       173
       +
       

     

       174
       174
       +
       const char* QRCode_GetText(QRCode* qr) {

     

       175
       175
       +
           return qr->text;

     

       176
       176
       +
       }