https://imgur.com/a/gsrKG
When i resize it it gets worse:
https://imgur.com/a/88J87
My code looks like this:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 | #include <windows.h> #include <stdint.h> #define internal static #define local_persist static #define global_variable static typedef uint8_t uint8; typedef uint16_t uint16; typedef uint32_t uint32; typedef uint64_t uint64; typedef int8_t int8; typedef int16_t int16; typedef int32_t int32; typedef int64_t int64; //TODO(Tudor): This is a global for now global_variable bool Running; global_variable BITMAPINFO BitmapInfo; global_variable void *BitmapMemory; global_variable int BitmapWidth; global_variable int BitmapHeight; internal void Win32ResizeDIBSection(int Width, int Height) { //TODO(Tudor): Bulletproof this //Maybe dont free first, free after, then free first if that fails if(BitmapMemory) { VirtualFree(BitmapMemory, 0, MEM_RELEASE); } BitmapWidth = Width; BitmapHeight = Height; BitmapInfo.bmiHeader.biSize = sizeof(BitmapInfo.bmiHeader); BitmapInfo.bmiHeader.biWidth = BitmapWidth; BitmapInfo.bmiHeader.biHeight = -BitmapHeight; BitmapInfo.bmiHeader.biPlanes = 1; BitmapInfo.bmiHeader.biBitCount = 32; BitmapInfo.bmiHeader.biCompression = BI_RGB; int BytesPerPixel = 4; int BitmapMemorySize = (BitmapWidth * BitmapHeight) * BytesPerPixel; BitmapMemory = VirtualAlloc(0, BitmapMemorySize, MEM_COMMIT, PAGE_READWRITE); int Pitch = Width * BytesPerPixel; uint8 *Row = (uint8 *)BitmapMemory; for(int Y = 0; Y < BitmapHeight; ++Y) { uint8 *Pixel = (uint8 *)Row; for(int X = 0; X < BitmapWidth; ++X) { *Pixel = (uint8)X; ++Pixel; *Pixel = (uint8)Y; ++Pixel; *Pixel = 0; ++Pixel; *Pixel = 0; ++Pixel; } Row += Pitch; } } internal void Win32UpdateWindow(HDC DeviceContext, RECT *WindowRect, int X, int Y, int Width, int Height) { int WindowWidth = WindowRect->right - WindowRect->left; int WindowHeight = WindowRect->bottom - WindowRect->top; StretchDIBits(DeviceContext, /* X, Y, Width, Height, X, Y, Width, Height, */ 0, 0, BitmapWidth, BitmapHeight, 0, 0, WindowWidth, WindowHeight, BitmapMemory, &BitmapInfo, DIB_RGB_COLORS, SRCCOPY); } LRESULT CALLBACK Win32WindowCallback(HWND Window, UINT Message, WPARAM wParam, LPARAM lParam ) { LRESULT Result = 0; switch(Message) { case WM_SIZE: { RECT ClientRect; GetClientRect(Window, &ClientRect); int Height = ClientRect.right - ClientRect.left; int Width = ClientRect.bottom - ClientRect.top; Win32ResizeDIBSection(Width, Height); }break; case WM_CLOSE: { //TODO(Tudor): Handle this as an error - recreate window? Running = false; }break; case WM_ACTIVATEAPP: { OutputDebugStringA("WM_ACTIVATEAPP\n"); }break; case WM_DESTROY: { //TODO(Tudor): Handle this with a message to the user? Running = false; }break; case WM_PAINT: { PAINTSTRUCT Paint; HDC DeviceContext = BeginPaint(Window, &Paint); int X = Paint.rcPaint.left; int Y = Paint.rcPaint.top; int Width = Paint.rcPaint.bottom - Paint.rcPaint.top; int Height = Paint.rcPaint.right - Paint.rcPaint.left; RECT ClientRect; GetClientRect(Window, &ClientRect); Win32UpdateWindow(DeviceContext, &ClientRect, X, Y, Width, Height); EndPaint(Window, &Paint); }break; default: { OutputDebugStringA("default\n"); Result = DefWindowProc(Window, Message, wParam, lParam); }break; } return Result; } int CALLBACK WinMain(HINSTANCE Instance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow ) { WNDCLASS WindowClass = {}; //TODO(Tudor): Check if CS_HREDRAW CS_OWNDC CS_VREDRAW still matters WindowClass.style = CS_OWNDC|CS_HREDRAW|CS_VREDRAW; WindowClass.lpfnWndProc = Win32WindowCallback; WindowClass.hInstance = Instance; //WindowClass.hIcon; WindowClass.lpszClassName = "HandmadeHeroWindowClass"; if(RegisterClass(&WindowClass)) { HWND WindowHandle = CreateWindowEx( 0, WindowClass.lpszClassName, "Handmade Hero", WS_OVERLAPPEDWINDOW|WS_VISIBLE, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, Instance, 0); if(WindowHandle) { Running = true; while(Running) { MSG Message; BOOL MessageResult = GetMessage(&Message, 0, 0, 0); if(MessageResult > 0) { TranslateMessage(&Message); DispatchMessage(&Message); } else { break; } } } else { //TODO(Tudor): Logging } } else { //TODO(Tudor): Logging } return 0; } |
Please help me!