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Reactos
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185#include <windows.h>#include <stdio.h>#include <string.h>
BOOL WINAPI GdiGradientFill( HDC hdc, TRIVERTEX *vert_array, ULONG nvert, void * grad_array, ULONG ngrad, ULONG mode );
LRESULT WINAPI MainWndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPIWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow){ WNDCLASS wc; MSG msg; HWND hWnd;
wc.lpszClassName = "GradientClass"; wc.lpfnWndProc = MainWndProc; wc.style = CS_VREDRAW | CS_HREDRAW; wc.hInstance = hInstance; wc.hIcon = LoadIcon(NULL, (LPCTSTR)IDI_APPLICATION); wc.hCursor = LoadCursor(NULL, (LPCTSTR)IDC_ARROW); wc.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH); wc.lpszMenuName = NULL; wc.cbClsExtra = 0; wc.cbWndExtra = 0; if (RegisterClass(&wc) == 0) { fprintf(stderr, "RegisterClass failed (last error 0x%lX)\n", GetLastError()); return(1); }
hWnd = CreateWindow("GradientClass", "GradientFill Test", WS_OVERLAPPEDWINDOW|WS_HSCROLL|WS_VSCROLL, 0, 0, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL); if (hWnd == NULL) { fprintf(stderr, "CreateWindow failed (last error 0x%lX)\n", GetLastError()); return(1); }
//tf = CreateFontA(14, 0, 0, TA_BASELINE, FW_NORMAL, FALSE, FALSE, FALSE, // ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, // DEFAULT_QUALITY, FIXED_PITCH|FF_DONTCARE, "Timmons");
ShowWindow(hWnd, nCmdShow);
while(GetMessage(&msg, NULL, 0, 0)) { TranslateMessage(&msg); DispatchMessage(&msg); }
//DeleteObject(tf);
return msg.wParam;}LRESULT CALLBACK MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam){ HDC hDC;
switch(msg) { case WM_PAINT: { PAINTSTRUCT ps; TRIVERTEX vert [5] ; GRADIENT_TRIANGLE gTRi[3]; GRADIENT_RECT gRect[2]; hDC = BeginPaint(hWnd, &ps);
vert [0] .x = 0; vert [0] .y = 0; vert [0] .Red = 0xff00; vert [0] .Green = 0xff00; vert [0] .Blue = 0xff00; vert [0] .Alpha = 0x0000;
vert [1] .x = 300; vert [1] .y = 20; vert [1] .Red = 0x0000; vert [1] .Green = 0x0000; vert [1] .Blue = 0xff00; vert [1] .Alpha = 0x0000;
vert [2] .x = 100; vert [2] .y = 200; vert [2] .Red = 0xff00; vert [2] .Green = 0x0000; vert [2] .Blue = 0x0000; vert [2] .Alpha = 0x0000;
vert [3] .x = 250; vert [3] .y = 300; vert [3] .Red = 0x8000; vert [3] .Green = 0x8000; vert [3] .Blue = 0x0000; vert [3] .Alpha = 0x0000;
vert [4] .x = 325; vert [4] .y = 300; vert [4] .Red = 0x0000; vert [4] .Green = 0xff00; vert [4] .Blue = 0x0000; vert [4] .Alpha = 0x0000;
gTRi[0].Vertex1 = 0; gTRi[0].Vertex2 = 1; gTRi[0].Vertex3 = 2;
gTRi[1].Vertex1 = 1; gTRi[1].Vertex2 = 2; gTRi[1].Vertex3 = 3;
gTRi[2].Vertex1 = 1; gTRi[2].Vertex2 = 3; gTRi[2].Vertex3 = 4;
GdiGradientFill(hDC,vert,5,&gTRi,3,GRADIENT_FILL_TRIANGLE);
vert [0] .x = 5; vert [0] .y = 200; vert [0] .Red = 0x0000; vert [0] .Green = 0x0000; vert [0] .Blue = 0x0000; vert [0] .Alpha = 0x0000;
vert [1] .x = 90; vert [1] .y = 240; vert [1] .Red = 0x0000; vert [1] .Green = 0x0000; vert [1] .Blue = 0xff00; vert [1] .Alpha = 0x0000;
vert [2] .x = 5; vert [2] .y = 245; vert [2] .Red = 0x0000; vert [2] .Green = 0x0000; vert [2] .Blue = 0x0000; vert [2] .Alpha = 0x0000;
vert [3] .x = 90; vert [3] .y = 300; vert [3] .Red = 0x0000; vert [3] .Green = 0x0000; vert [3] .Blue = 0xff00; vert [3] .Alpha = 0x0000;
gRect[0].UpperLeft = 0; gRect[0].LowerRight = 1;
gRect[1].UpperLeft = 2; gRect[1].LowerRight = 3;
GdiGradientFill(hDC,vert,4,&gRect[0],1,GRADIENT_FILL_RECT_H); GdiGradientFill(hDC,vert,4,&gRect[1],1,GRADIENT_FILL_RECT_V);
EndPaint(hWnd, &ps); break; }
case WM_DESTROY: PostQuitMessage(0); break;
default: return DefWindowProc(hWnd, msg, wParam, lParam); } return 0;}