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[FORMATTING] Fix indentation and move comments

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svn path=/trunk/; revision=31542
This commit is contained in:
Eric Kohl 2008-01-01 22:15:10 +00:00
parent 68981a6100
commit 4f648ef5d9
1 changed files with 409 additions and 301 deletions
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348
reactos/base/applications/screensavers/3dtext/3dtext.c
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@ -18,10 +18,10 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#include <windows.h> // Header File For Windows #include <windows.h>
#include <math.h> // Header File For Windows Math Library #include <math.h>
#include <GL/gl.h> // Header File For The OpenGL32 Library #include <GL/gl.h>
#include <GL/glu.h> // Header File For The GLu32 Library #include <GL/glu.h>
#include <tchar.h> #include <tchar.h>
#include "resource.h" #include "resource.h"
@ -38,14 +38,18 @@ GLfloat rot; // Used To Rotate The Text
HINSTANCE hInstance; HINSTANCE hInstance;
BOOL fullscreen = FALSE; BOOL fullscreen = FALSE;
GLvoid BuildFont(GLvoid) // Build Our Bitmap Font // Build Our Bitmap Font
GLvoid BuildFont(GLvoid)
{ {
GLYPHMETRICSFLOAT gmf[256]; // Address Buffer For Font Storage // Address Buffer For Font Storage
HFONT font; // Windows Font ID GLYPHMETRICSFLOAT gmf[256];
// Windows Font Handle
HFONT font;
base = glGenLists(256); // Storage For 256 Characters // Storage For 256 Characters
base = glGenLists(256);
font = CreateFont( -12, // Height Of Font font = CreateFont(-12,
0, // Width Of Font 0, // Width Of Font
0, // Angle Of Escapement 0, // Angle Of Escapement
0, // Orientation Angle 0, // Orientation Angle
@ -60,9 +64,10 @@ GLvoid BuildFont(GLvoid) // Build Our Bitmap Font
FF_DONTCARE|DEFAULT_PITCH, // Family And Pitch FF_DONTCARE|DEFAULT_PITCH, // Family And Pitch
_T("Tahoma")); // Font Name _T("Tahoma")); // Font Name
SelectObject(hDC, font); // Selects The Font We Created // Selects The Font We Created
SelectObject(hDC, font);
wglUseFontOutlines( hDC, // Select The Current DC wglUseFontOutlines(hDC, // Select The Current DC
0, // Starting Character 0, // Starting Character
255, // Number Of Display Lists To Build 255, // Number Of Display Lists To Build
base, // Starting Display Lists base, // Starting Display Lists
@ -72,88 +77,149 @@ GLvoid BuildFont(GLvoid) // Build Our Bitmap Font
gmf); // Address Of Buffer To Recieve Data gmf); // Address Of Buffer To Recieve Data
} }
GLvoid KillFont(GLvoid) // Delete The Font // Delete The Font
GLvoid KillFont(GLvoid)
{ {
glDeleteLists(base, 256); // Delete All 256 Characters // Delete all 256 characters
glDeleteLists(base, 256);
} }
GLvoid glPrint(LPTSTR text) // Custom GL "Print" Routine // Custom GL "Print" Routine
GLvoid glPrint(LPTSTR text)
{ {
if (text == NULL) // If There's No Text // If there's no text, do nothing
return; // Do Nothing if (text == NULL)
return;
glPushAttrib(GL_LIST_BIT); // Pushes The Display List Bits // Pushes The Display List Bits
glListBase(base); // Sets The Base Character to 32 glPushAttrib(GL_LIST_BIT);
// Sets The Base Character to 32
glListBase(base);
// Draws The Display List Text
glCallLists(_tcslen(text), glCallLists(_tcslen(text),
#ifdef UNICODE #ifdef UNICODE
GL_UNSIGNED_SHORT GL_UNSIGNED_SHORT,
#else #else
GL_UNSIGNED_BYTE GL_UNSIGNED_BYTE,
#endif #endif
, text); // Draws The Display List Text text);
glPopAttrib(); // Pops The Display List Bits // Pops The Display List Bits
glPopAttrib();
} }
GLvoid InitGL(GLsizei Width, GLsizei Height) // Will Be Called Right After The GL Window Is Created // Will Be Called Right After The GL Window Is Created
GLvoid InitGL(GLsizei Width, GLsizei Height)
{ {
glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // Clear The Background Color To Black // Clear The Background Color To Black
glClearDepth(1.0); // Enables Clearing Of The Depth Buffer glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glDepthFunc(GL_LESS); // The Type Of Depth Test To Do
glEnable(GL_DEPTH_TEST); // Enables Depth Testing
glShadeModel(GL_SMOOTH); // Enables Smooth Color Shading
glMatrixMode(GL_PROJECTION); // Select The Projection Matrix // Enables Clearing Of The Depth Buffer
glLoadIdentity(); // Reset The Projection Matrix glClearDepth(1.0);
// The Type Of Depth Test To Do
glDepthFunc(GL_LESS);
// Enables Depth Testing
glEnable(GL_DEPTH_TEST);
// Enables Smooth Color Shading
glShadeModel(GL_SMOOTH);
// Select The Projection Matrix
glMatrixMode(GL_PROJECTION);
// Reset The Projection Matrix
glLoadIdentity();
// Calculate The Aspect Ratio Of The Window // Calculate The Aspect Ratio Of The Window
gluPerspective(45.0f,(GLfloat)Width/(GLfloat)Height,0.1f,100.0f); gluPerspective(45.0f, (GLfloat)Width / (GLfloat)Height, 0.1f, 100.0f);
glMatrixMode(GL_MODELVIEW); // Select The Modelview Matrix // Select The Modelview Matrix
glMatrixMode(GL_MODELVIEW);
BuildFont(); // Build The Font // Build The Font
glEnable(GL_LIGHT0); // Enable Default Light (Quick And Dirty) BuildFont();
glEnable(GL_LIGHTING); // Enable Lighting
glEnable(GL_COLOR_MATERIAL); // Enable Coloring Of Material // Enable Default Light (Quick And Dirty)
glEnable(GL_LIGHT0);
// Enable Lighting
glEnable(GL_LIGHTING);
// Enable Coloring Of Material
glEnable(GL_COLOR_MATERIAL);
} }
GLvoid ReSizeGLScene(GLsizei Width, GLsizei Height) // Handles Window Resizing // Handles Window Resizing
GLvoid ReSizeGLScene(GLsizei Width, GLsizei Height)
{ {
if (Height==0) // Is Window Too Small (Divide By Zero Error) // Is Window Too Small (Divide By Zero Error)
Height=1; // If So Make It One Pixel Tall if (Height == 0)
{
// If So Make It One Pixel Tall
Height = 1;
}
// Reset The Current Viewport And Perspective Transformation // Reset The Current Viewport And Perspective Transformation
glViewport(0, 0, Width, Height); glViewport(0, 0, Width, Height);
glMatrixMode(GL_PROJECTION); // Select The Projection Matrix // Select The Projection Matrix
glLoadIdentity(); // Reset The Projection Matrix glMatrixMode(GL_PROJECTION);
// Reset The Projection Matrix
glLoadIdentity();
// Calculate The Aspect Ratio Of The Window // Calculate The Aspect Ratio Of The Window
gluPerspective(45.0f,(GLfloat)Width/(GLfloat)Height,0.1f,100.0f); gluPerspective(45.0f, (GLfloat)Width / (GLfloat)Height, 0.1f, 100.0f);
glMatrixMode(GL_MODELVIEW); // Select The Modelview Matrix
// Select The Modelview Matrix
glMatrixMode(GL_MODELVIEW);
} }
GLvoid DrawGLScene(GLvoid) // Handles Rendering // Handles Rendering
GLvoid DrawGLScene(GLvoid)
{ {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear The Screen And The Depth Buffer // Clear The Screen And The Depth Buffer
glLoadIdentity(); // Reset The View glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glTranslatef(0.0f,0.0f,-10.0f); // Move One Unit Into The Screen
glRotatef(rot,1.0f,0.0f,0.0f); // Rotate On The X Axis // Reset The View
glRotatef(rot*1.2f,0.0f,1.0f,0.0f); // Rotate On The Y Axis glLoadIdentity();
glRotatef(rot*1.4f,0.0f,0.0f,1.0f); // Rotate On The Z Axis
glTranslatef(-3.5f,0.0f,0.0f); // Move To The Left Before Drawing // Move One Unit Into The Screen
glTranslatef(0.0f, 0.0f, -10.0f);
// Rotate On The X Axis
glRotatef(rot, 1.0f, 0.0f, 0.0f);
// Rotate On The Y Axis
glRotatef(rot * 1.2f, 0.0f, 1.0f, 0.0f);
// Rotate On The Z Axis
glRotatef(rot * 1.4f, 0.0f, 0.0f, 1.0f);
// Move to the Left and Down before drawing
glTranslatef(-3.5f, 0.0f, 0.0f);
// Pulsing Colors Based On The Rotation // Pulsing Colors Based On The Rotation
glColor3f( glColor3f((1.0f * (cos(rot / 20.0f))),
(1.0f*(cos(rot/20.0f))), (1.0f * (sin(rot / 25.0f))),
(1.0f*(sin(rot/25.0f))), (1.0f - 0.5f * (cos(rot / 17.0f))));
(1.0f-0.5f*(cos(rot/17.0f))));
glPrint(m_Text); // Print GL Text To The Screen // Print GL Text To The Screen
glColor3f(0.0f,0.0f,1.0f); // Make The Text Blue glPrint(m_Text);
rot+=0.1f; // Increase The Rotation Variable
// Make The Text Blue
glColor3f(0.0f, 0.0f, 1.0f);
// Increase The Rotation Variable
rot += 0.1f;
} }
LRESULT CALLBACK WndProc( HWND hWnd, LRESULT CALLBACK
WndProc(HWND hWnd,
UINT message, UINT message,
WPARAM wParam, WPARAM wParam,
LPARAM lParam) LPARAM lParam)
@ -185,68 +251,96 @@ LRESULT CALLBACK WndProc( HWND hWnd,
0, 0, 0 // Layer Masks Ignored (?) 0, 0, 0 // Layer Masks Ignored (?)
}; };
switch (message) // Tells Windows We Want To Check The Message switch (message)
{ {
case WM_CREATE: // Window Creation case WM_CREATE:
hDC = GetDC(hWnd); // Gets A Device Context For The Window // Gets A Device Context For The Window
PixelFormat = ChoosePixelFormat(hDC, &pfd); // Finds The Closest Match To The Pixel Format We Set Above hDC = GetDC(hWnd);
if (!PixelFormat) // No Matching Pixel Format? // Finds The Closest Match To The Pixel Format We Set Above
PixelFormat = ChoosePixelFormat(hDC, &pfd);
// No Matching Pixel Format?
if (!PixelFormat)
{ {
MessageBox(0,_TEXT("Can't Find A Suitable PixelFormat."),_TEXT("Error"),MB_OK|MB_ICONERROR); MessageBox(0, _TEXT("Can't Find A Suitable PixelFormat."), _TEXT("Error"),MB_OK | MB_ICONERROR);
PostQuitMessage(0); // This Sends A 'Message' Telling The Program To Quit
break; // Prevents The Rest Of The Code From Running // This Sends A 'Message' Telling The Program To Quit
PostQuitMessage(0);
break;
} }
if(!SetPixelFormat(hDC,PixelFormat,&pfd)) // Can We Set The Pixel Mode? // Can We Set The Pixel Mode?
if (!SetPixelFormat(hDC, PixelFormat, &pfd))
{ {
MessageBox(0,_TEXT("Can't Set The PixelFormat."),_TEXT("Error"),MB_OK|MB_ICONERROR); MessageBox(0, _TEXT("Can't Set The PixelFormat."), _TEXT("Error"), MB_OK | MB_ICONERROR);
PostQuitMessage(0); // This Sends A 'Message' Telling The Program To Quit
break; // Prevents The Rest Of The Code From Running // This Sends A 'Message' Telling The Program To Quit
PostQuitMessage(0);
break;
} }
hRC = wglCreateContext(hDC); // Grab A Rendering Context // Grab A Rendering Context
if(!hRC) // Did We Get One? hRC = wglCreateContext(hDC);
// Did We Get One?
if (!hRC)
{ {
MessageBox(0,_TEXT("Can't Create A GL Rendering Context."),_TEXT("Error"),MB_OK|MB_ICONERROR); MessageBox(0, _TEXT("Can't Create A GL Rendering Context."), _TEXT("Error"), MB_OK | MB_ICONERROR);
PostQuitMessage(0); // This Sends A 'Message' Telling The Program To Quit
break; // Prevents The Rest Of The Code From Running // This Sends A 'Message' Telling The Program To Quit
PostQuitMessage(0);
break;
} }
if(!wglMakeCurrent(hDC, hRC)) // Can We Make The RC Active? // Can We Make The RC Active?
if (!wglMakeCurrent(hDC, hRC))
{ {
MessageBox(0,_TEXT("Can't Activate GLRC."),_TEXT("Error"),MB_OK|MB_ICONERROR); MessageBox(0, _TEXT("Can't Activate GLRC."), _TEXT("Error"), MB_OK | MB_ICONERROR);
PostQuitMessage(0); // This Sends A 'Message' Telling The Program To Quit
break; // Prevents The Rest Of The Code From Running // This Sends A 'Message' Telling The Program To Quit
PostQuitMessage(0);
break;
} }
GetClientRect(hWnd, &Screen); // Grab Screen Info For The Current Window // Grab Screen Info For The Current Window
InitGL(Screen.right, Screen.bottom); // Initialize The GL Screen Using Screen Info GetClientRect(hWnd, &Screen);
// Initialize The GL Screen Using Screen Info
InitGL(Screen.right, Screen.bottom);
break; break;
case WM_DESTROY: // Windows Being Destroyed case WM_DESTROY:
case WM_CLOSE: // Windows Being Closed case WM_CLOSE:
{ // Disable Fullscreen Mode
ChangeDisplaySettings(NULL, 0); // Disable Fullscreen Mode ChangeDisplaySettings(NULL, 0);
KillFont(); // Deletes The Font Display List
wglMakeCurrent(hDC,NULL); // Make The DC Current // Deletes The Font Display List
wglDeleteContext(hRC); // Kill The RC KillFont();
ReleaseDC(hWnd,hDC); // Free The DC
PostQuitMessage(0); // Quit The Program // Make The DC Current
} wglMakeCurrent(hDC, NULL);
// Kill The RC
wglDeleteContext(hRC);
// Free The DC
ReleaseDC(hWnd, hDC);
// Quit The Program
PostQuitMessage(0);
break; break;
case WM_PAINT: case WM_PAINT:
{
DrawGLScene(); DrawGLScene();
SwapBuffers(hDC); SwapBuffers(hDC);
break; break;
}
case WM_NOTIFY: case WM_NOTIFY:
case WM_SYSKEYDOWN: case WM_SYSKEYDOWN:
PostMessage(hWnd, WM_CLOSE, 0, 0); PostMessage(hWnd, WM_CLOSE, 0, 0);
break; break;
case WM_LBUTTONDOWN: case WM_LBUTTONDOWN:
case WM_LBUTTONUP: case WM_LBUTTONUP:
case WM_RBUTTONDOWN: case WM_RBUTTONDOWN:
@ -254,12 +348,11 @@ LRESULT CALLBACK WndProc( HWND hWnd,
case WM_MBUTTONDOWN: case WM_MBUTTONDOWN:
case WM_MBUTTONUP: case WM_MBUTTONUP:
case WM_MOUSEMOVE: case WM_MOUSEMOVE:
{
// If we've got a parent then we must be a preview // If we've got a parent then we must be a preview
if(GetParent(hWnd) != 0) if (GetParent(hWnd) != 0)
return 0; return 0;
if(fFirstTime) if (fFirstTime)
{ {
GetCursorPos(&ptLast); GetCursorPos(&ptLast);
fFirstTime = FALSE; fFirstTime = FALSE;
@ -268,26 +361,29 @@ LRESULT CALLBACK WndProc( HWND hWnd,
GetCursorPos(&ptCursor); GetCursorPos(&ptCursor);
// if the mouse has moved more than 3 pixels then exit // if the mouse has moved more than 3 pixels then exit
if(abs(ptCursor.x - ptLast.x) >= 3 || abs(ptCursor.y - ptLast.y) >= 3) if (abs(ptCursor.x - ptLast.x) >= 3 || abs(ptCursor.y - ptLast.y) >= 3)
PostMessage(hWnd, WM_CLOSE, 0, 0); PostMessage(hWnd, WM_CLOSE, 0, 0);
ptLast = ptCursor; ptLast = ptCursor;
return 0; return 0;
}
case WM_SIZE: // Resizing The Screen case WM_SIZE: // Resizing The Screen
ReSizeGLScene(LOWORD(lParam),HIWORD(lParam)); // Resize To The New Window Size // Resize To The New Window Size
ReSizeGLScene(LOWORD(lParam), HIWORD(lParam));
break; break;
default: default:
return (DefWindowProc(hWnd, message, wParam, lParam)); // Pass Windows Messages // Pass Windows Messages
return DefWindowProc(hWnd, message, wParam, lParam);
} }
return (0);
return 0;
} }
void InitSaver(HWND hwndParent) VOID InitSaver(HWND hwndParent)
{ {
WNDCLASS wc; WNDCLASS wc;
ZeroMemory(&wc, sizeof(wc)); ZeroMemory(&wc, sizeof(wc));
wc.style = CS_HREDRAW | CS_VREDRAW; wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = WndProc; wc.lpfnWndProc = WndProc;
@ -297,6 +393,7 @@ void InitSaver(HWND hwndParent)
if (hwndParent != 0) if (hwndParent != 0)
{ {
RECT rect; RECT rect;
GetClientRect(hwndParent, &rect); GetClientRect(hwndParent, &rect);
CreateWindow(APPNAME, APPNAME, CreateWindow(APPNAME, APPNAME,
WS_VISIBLE | WS_CHILD, WS_VISIBLE | WS_CHILD,
@ -306,7 +403,9 @@ void InitSaver(HWND hwndParent)
hwndParent, 0, hwndParent, 0,
hInstance, NULL); hInstance, NULL);
fullscreen = FALSE; fullscreen = FALSE;
} else { }
else
{
HWND hwnd; HWND hwnd;
hwnd = CreateWindow(APPNAME, APPNAME, hwnd = CreateWindow(APPNAME, APPNAME,
WS_VISIBLE | WS_POPUP | WS_EX_TOPMOST, WS_VISIBLE | WS_POPUP | WS_EX_TOPMOST,
@ -332,56 +431,64 @@ VOID ParseCommandLine(LPTSTR szCmdLine, UCHAR *chOption, HWND *hwndParent)
{ {
TCHAR ch = *szCmdLine++; TCHAR ch = *szCmdLine++;
if(ch == _T('-') || ch == _T('/')) if (ch == _T('-') || ch == _T('/'))
ch = *szCmdLine++; ch = *szCmdLine++;
if(ch >= _T('A') && ch <= _T('Z')) //convert to lower case
ch += _T('a') - _T('A'); //convert to lower case if (ch >= _T('A') && ch <= _T('Z'))
ch += _T('a') - _T('A');
*chOption = ch; *chOption = ch;
ch = *szCmdLine++; ch = *szCmdLine++;
if(ch == _T(':')) if (ch == _T(':'))
ch = *szCmdLine++; ch = *szCmdLine++;
while(ch == _T(' ') || ch == _T('\t')) while (ch == _T(' ') || ch == _T('\t'))
ch = *szCmdLine++; ch = *szCmdLine++;
if(isdigit(ch)) if (_istdigit(ch))
{ {
unsigned int i = _ttoi(szCmdLine - 1); unsigned int i = _ttoi(szCmdLine - 1);
*hwndParent = (HWND)i; *hwndParent = (HWND)i;
} }
else else
{
*hwndParent = NULL; *hwndParent = NULL;
}
} }
// //
// Dialogbox procedure for Configuration window // Dialogbox procedure for Configuration window
// //
BOOL CALLBACK ConfigDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) BOOL CALLBACK ConfigDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{ {
switch(uMsg) switch (uMsg)
{ {
case WM_INITDIALOG: case WM_INITDIALOG:
SetDlgItemText(hwnd, IDC_MESSAGE_TEXT, m_Text); SetDlgItemText(hwnd, IDC_MESSAGE_TEXT, m_Text);
return TRUE; return TRUE;
case WM_COMMAND: case WM_COMMAND:
switch(LOWORD(wParam)) switch (LOWORD(wParam))
{ {
case IDOK: case IDOK:
GetDlgItemText(hwnd, IDC_MESSAGE_TEXT, m_Text, MAX_PATH); GetDlgItemText(hwnd, IDC_MESSAGE_TEXT, m_Text, MAX_PATH);
SaveSettings(); SaveSettings();
EndDialog(hwnd, IDOK); EndDialog(hwnd, IDOK);
break; break;
case IDCANCEL: case IDCANCEL:
EndDialog(hwnd, IDCANCEL); EndDialog(hwnd, IDCANCEL);
break; break;
} }
return FALSE; return FALSE;
case WM_CLOSE: case WM_CLOSE:
EndDialog(hwnd, 0); EndDialog(hwnd, 0);
break; break;
default: default:
return FALSE; return FALSE;
} }
@ -389,15 +496,16 @@ BOOL CALLBACK ConfigDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
return TRUE; return TRUE;
} }
void Configure(void) VOID Configure(VOID)
{ {
DialogBox(hInstance, MAKEINTRESOURCE(IDD_CONFIG), NULL , (DLGPROC)ConfigDlgProc); DialogBox(hInstance, MAKEINTRESOURCE(IDD_CONFIG), NULL , (DLGPROC)ConfigDlgProc);
} }
int CALLBACK _tWinMain (HINSTANCE hInst, INT CALLBACK
_tWinMain(HINSTANCE hInst,
HINSTANCE hPrev, HINSTANCE hPrev,
LPTSTR lpCmdLine, LPTSTR lpCmdLine,
int iCmdShow) INT iCmdShow)
{ {
HWND hwndParent = 0; HWND hwndParent = 0;
UCHAR chOption; UCHAR chOption;
@ -409,17 +517,17 @@ int CALLBACK _tWinMain (HINSTANCE hInst,
LoadSettings(); LoadSettings();
switch(chOption) switch (chOption)
{ {
case 's': case _T('s'):
InitSaver(0); InitSaver(0);
break; break;
case 'p': case _T('p'):
InitSaver(hwndParent); InitSaver(hwndParent);
break; break;
case 'c': case _T('c'):
default: default:
Configure(); Configure();
return 0; return 0;