libgd
/
libgd
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

- encoding mess

master
pajoye 2008-04-20 17:28:18 +00:00
parent 2e36ea55a3
commit a2ef6357a2
1 changed files with 18 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
examples/windows.c
View File

@ -1,5 +1,5 @@
/*
Sample usage of GD on windows. This little program opens a window, fetch its DIB
Sample usage of GD on windows. This little program opens a window, fetch its DIB
and assigns to a GD truecolor image.
Thanks to Mateusz Loskot (http://mateusz.loskot.net) for the AttachBuffer function!
@ -10,6 +10,7 @@ $Id$
#include <gdfontg.h>
#include <gdfontl.h>
gdImagePtr gdImageTrueColorAttachBuffer(int* buffer, int sx, int sy, int stride)
{
int i;
@ -118,23 +119,23 @@ int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{ // UNICODE-Compilierung ist die einzige realistische Fehlermöglichkeit
MessageBox (NULL, TEXT ("Programm arbeitet mit Unicode und setzt Windows NT voraus!"),
{ // UNICODE-Compilierung ist die einzige realistische Fehlermöglichkeit
MessageBox (NULL, TEXT ("Programm arbeitet mit Unicode und setzt Windows NT voraus!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, TEXT ("Bezierkurven"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
@ -146,10 +147,10 @@ int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
void DrawBezier (HDC hdc, POINT apt[])
{
PolyBezier (hdc, apt, 4) ;
MoveToEx (hdc, apt[0].x, apt[0].y, NULL) ;
LineTo (hdc, apt[1].x, apt[1].y) ;
MoveToEx (hdc, apt[2].x, apt[2].y, NULL) ;
LineTo (hdc, apt[3].x, apt[3].y) ;
}
@ -251,16 +252,16 @@ LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
case WM_SIZE:
cxClient = LOWORD (lParam) ;
cyClient = HIWORD (lParam) ;
apt[0].x = cxClient / 4 ;
apt[0].y = cyClient / 2 ;
apt[1].x = cxClient / 2 ;
apt[1].y = cyClient / 4 ;
apt[2].x = cxClient / 2 ;
apt[2].y = 3 * cyClient / 4 ;
apt[3].x = 3 * cxClient / 4 ;
apt[3].y = cyClient / 2 ;
return 0 ;
@ -272,22 +273,22 @@ LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
hdc = GetDC (hwnd) ;
// alte Kurve löschen (mit Weiß übermalen)
// alte Kurve löschen (mit Weiß übermalen)
SelectObject (hdc, GetStockObject (WHITE_PEN)) ;
DrawBezier (hdc, apt) ;
if (wParam & MK_LBUTTON)
{
apt[1].x = LOWORD (lParam) ;
apt[1].y = HIWORD (lParam) ;
}
if (wParam & MK_RBUTTON)
{
apt[2].x = LOWORD (lParam) ;
apt[2].y = HIWORD (lParam) ;
}
// neue Kurve (mit Schwarz) zeichnen
SelectObject (hdc, GetStockObject (BLACK_PEN)) ;
gdDrawImage(hdc, &rc);