/*
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/*
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* Copyright (c) 2001 Greg Haerr <greg@censoft.com>
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* Copyright (c) 2001 Greg Haerr <greg@censoft.com>
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*
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*
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* Demo program for StretchBlt
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* Demo program for StretchBlt
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*/
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*/
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#define MWINCLUDECOLORS
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#define MWINCLUDECOLORS
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#include "windows.h"
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#include "windows.h"
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#include "device.h"
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#include "device.h"
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extern MWIMAGEHDR image_penguin;
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extern MWIMAGEHDR image_penguin;
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PMWIMAGEHDR image = &image_penguin;
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PMWIMAGEHDR image = &image_penguin;
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#define APPCHILD "test2"
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#define APPCHILD "test2"
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/* forward decls*/
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/* forward decls*/
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LRESULT CALLBACK ChildWndProc(HWND hwnd,UINT uMsg,WPARAM wp,LPARAM lp);
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LRESULT CALLBACK ChildWndProc(HWND hwnd,UINT uMsg,WPARAM wp,LPARAM lp);
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int
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int
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RegisterAppClass(void)
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RegisterAppClass(void)
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{
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{
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WNDCLASS wc;
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WNDCLASS wc;
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wc.style = CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW;
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wc.style = CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW;
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wc.lpfnWndProc = (WNDPROC)ChildWndProc;
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wc.lpfnWndProc = (WNDPROC)ChildWndProc;
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wc.cbClsExtra = 0;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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wc.cbWndExtra = 0;
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wc.hInstance = 0;
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wc.hInstance = 0;
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wc.hIcon = 0; /*LoadIcon(GetHInstance(), MAKEINTRESOURCE( 1));*/
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wc.hIcon = 0; /*LoadIcon(GetHInstance(), MAKEINTRESOURCE( 1));*/
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wc.hCursor = 0; /*LoadCursor(NULL, IDC_ARROW);*/
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wc.hCursor = 0; /*LoadCursor(NULL, IDC_ARROW);*/
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wc.hbrBackground = (HBRUSH)GetStockObject(LTGRAY_BRUSH);
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wc.hbrBackground = (HBRUSH)GetStockObject(LTGRAY_BRUSH);
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wc.lpszMenuName = NULL;
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wc.lpszMenuName = NULL;
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wc.lpszClassName = APPCHILD;
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wc.lpszClassName = APPCHILD;
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return RegisterClass( &wc);
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return RegisterClass( &wc);
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}
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}
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LRESULT CALLBACK
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LRESULT CALLBACK
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ChildWndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp)
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ChildWndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp)
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{
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{
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HDC hdcMem;
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HDC hdcMem;
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HBITMAP hbmp, hbmpOrg;
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HBITMAP hbmp, hbmpOrg;
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RECT rc;
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RECT rc;
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PAINTSTRUCT ps;
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PAINTSTRUCT ps;
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switch(msg) {
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switch(msg) {
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case WM_PAINT:
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case WM_PAINT:
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BeginPaint(hwnd, &ps);
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BeginPaint(hwnd, &ps);
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GetClientRect(hwnd, &rc);
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GetClientRect(hwnd, &rc);
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/* redirect painting to offscreen dc*/
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/* redirect painting to offscreen dc*/
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hdcMem = CreateCompatibleDC(ps.hdc);
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hdcMem = CreateCompatibleDC(ps.hdc);
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hbmp = CreateCompatibleBitmap(hdcMem, image->width, image->height);
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hbmp = CreateCompatibleBitmap(hdcMem, image->width, image->height);
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hbmpOrg = SelectObject(hdcMem, hbmp);
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hbmpOrg = SelectObject(hdcMem, hbmp);
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/* draw onto offscreen dc*/
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/* draw onto offscreen dc*/
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DrawDIB(hdcMem, 0, 0, image);
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DrawDIB(hdcMem, 0, 0, image);
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/* stretch blit offscreen with physical screen*/
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/* stretch blit offscreen with physical screen*/
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StretchBlt(ps.hdc, 0, 0, rc.right, rc.bottom, hdcMem,
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StretchBlt(ps.hdc, 0, 0, rc.right, rc.bottom, hdcMem,
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0, 0, image->width, image->height, MWROP_SRCCOPY);
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0, 0, image->width, image->height, MWROP_SRCCOPY);
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DeleteObject(SelectObject(hdcMem, hbmpOrg));
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DeleteObject(SelectObject(hdcMem, hbmpOrg));
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DeleteDC(hdcMem);
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DeleteDC(hdcMem);
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EndPaint(hwnd, &ps);
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EndPaint(hwnd, &ps);
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break;
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break;
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default:
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default:
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return DefWindowProc( hwnd, msg, wp, lp);
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return DefWindowProc( hwnd, msg, wp, lp);
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}
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}
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return 0;
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return 0;
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}
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}
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int WINAPI
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int WINAPI
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WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine,
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WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine,
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int nShowCmd)
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int nShowCmd)
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{
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{
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MSG msg;
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MSG msg;
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RECT rc;
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RECT rc;
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RegisterAppClass();
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RegisterAppClass();
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GetWindowRect(GetDesktopWindow(), &rc);
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GetWindowRect(GetDesktopWindow(), &rc);
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/* create penguin windows*/
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/* create penguin windows*/
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CreateWindowEx(0L, APPCHILD, "", WS_BORDER | WS_VISIBLE,
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CreateWindowEx(0L, APPCHILD, "", WS_BORDER | WS_VISIBLE,
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10, 10, 50, 50,
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10, 10, 50, 50,
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GetDesktopWindow(), (HMENU)1000, NULL, NULL);
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GetDesktopWindow(), (HMENU)1000, NULL, NULL);
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CreateWindowEx(0L, APPCHILD, "", WS_BORDER | WS_VISIBLE,
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CreateWindowEx(0L, APPCHILD, "", WS_BORDER | WS_VISIBLE,
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10, 70, 200, 200,
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10, 70, 200, 200,
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GetDesktopWindow(), (HMENU)1001, NULL, NULL);
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GetDesktopWindow(), (HMENU)1001, NULL, NULL);
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/* type ESC to quit...*/
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/* type ESC to quit...*/
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while( GetMessage(&msg, NULL, 0, 0)) {
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while( GetMessage(&msg, NULL, 0, 0)) {
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TranslateMessage(&msg);
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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DispatchMessage(&msg);
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}
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}
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return 0;
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return 0;
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}
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}
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