reactos/rosapps/tests/gradient/gradient.c

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4.1 KiB
C
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#include <windows.h>
#include <stdio.h>
#include <string.h>
LRESULT WINAPI MainWndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI
WinMain(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;
}