dolphin/Externals/MusicMod/Player/Src/vis_plainbar/vis_plainbar.cpp

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////////////////////////////////////////////////////////////////////////////////
// Plainamp Toolbar Vis Plugin
//
// Copyright <20> 2006 Sebastian Pipping <webmaster@hartwork.org>
//
// --> http://www.hartwork.org
//
// This source code is released under the GNU General Public License (GPL).
// See GPL.txt for details. Any non-GPL usage is strictly forbidden.
////////////////////////////////////////////////////////////////////////////////
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include "../Winamp/vis.h"
#include "../Winamp/wa_ipc.h"
#define PLUGIN_NAME "Plainamp Toolbar Vis Plugin"
#define PLUGIN_VERSION "v0.5"
#define PLUGIN_DESC PLUGIN_NAME " " PLUGIN_VERSION
static char * szClassName = "PlainbarClass";
winampVisModule * getModule( int which );
void config( struct winampVisModule * this_mod );
int init( struct winampVisModule * this_mod );
int render_spec( struct winampVisModule * this_mod );
void quit( struct winampVisModule * this_mod );
// Double buffering data
HDC memDC = NULL; // Memory device context
HBITMAP memBM = NULL; // Memory bitmap (for memDC)
HBITMAP oldBM = NULL; // Old bitmap (from memDC)
HWND hRender = NULL;
int width = 0;
int height = 0;
bool bRunning = false;
HPEN pen = NULL;
WNDPROC WndprocTargetBackup = NULL;
LRESULT CALLBACK WndprocTarget( HWND hwnd, UINT message, WPARAM wp, LPARAM lp );
winampVisHeader hdr = {
VIS_HDRVER,
PLUGIN_DESC,
getModule
};
winampVisModule mod_spec =
{
"Default",
NULL, // hwndParent
NULL, // hDllInstance
0, // sRate
0, // nCh
25, // latencyMS
25, // delayMS
2, // spectrumNch
0, // waveformNch
{ 0, }, // spectrumData
{ 0, }, // waveformData
config,
init,
render_spec,
quit
};
#ifdef __cplusplus
extern "C" {
#endif
__declspec( dllexport ) winampVisHeader * winampVisGetHeader()
{
return &hdr;
}
#ifdef __cplusplus
}
#endif
winampVisModule * getModule( int which )
{
return which ? NULL : &mod_spec;
}
void config( struct winampVisModule * this_mod )
{
MessageBox(
this_mod->hwndParent,
PLUGIN_DESC "\n"
"\n"
"Copyright <20> 2006 Sebastian Pipping \n"
"<webmaster@hartwork.org>\n"
"\n"
"--> http://www.hartwork.org",
"About",
MB_ICONINFORMATION
);
}
LRESULT CALLBACK WndprocTarget( HWND hwnd, UINT message, WPARAM wp, LPARAM lp )
{
switch( message )
{
case WM_SIZE:
width = LOWORD( lp );
height = HIWORD( lp );
break;
case WM_DESTROY:
bRunning = false;
PostQuitMessage( 0 );
return 0;
}
return DefWindowProc( hwnd, message, wp, lp );
}
int init( struct winampVisModule * this_mod )
{
if( !this_mod ) return 1;
// Register message
const int IPC_GETPLAINBARTARGET = ( int )SendMessage( this_mod->hwndParent, WM_WA_IPC, ( WPARAM )"IPC_GETPLAINBARTARGET", IPC_REGISTER_WINAMP_IPCMESSAGE );
if( IPC_GETPLAINBARTARGET <= 0 ) return 1;
// Get render parent
HWND hRenderParent = ( HWND )SendMessage( this_mod->hwndParent, WM_WA_IPC, 0, IPC_GETPLAINBARTARGET );
if( !IsWindow( hRenderParent ) ) return 1;
// Plug our child in
WNDCLASS wc;
ZeroMemory( &wc, sizeof( WNDCLASS ) );
wc.lpfnWndProc = WndprocTarget;
wc.hInstance = this_mod->hDllInstance;
wc.hCursor = LoadCursor( NULL, IDC_ARROW );
wc.lpszClassName = szClassName;
if( !RegisterClass( &wc ) ) return 1;
RECT r;
GetClientRect( hRenderParent, &r );
width = r.right - r.left;
height = r.bottom - r.top;
hRender = CreateWindowEx(
0,
szClassName,
"",
WS_CHILD | WS_VISIBLE,
0,
0,
width,
height,
hRenderParent,
NULL,
this_mod->hDllInstance,
0
);
if( !hRender )
{
UnregisterClass( szClassName, this_mod->hDllInstance );
return 1;
}
// Create doublebuffer
const HDC hdc = GetDC( hRender );
memDC = CreateCompatibleDC( hdc );
memBM = CreateCompatibleBitmap( hdc, 576, 256 );
oldBM = ( HBITMAP )SelectObject( memDC, memBM );
ReleaseDC( hRender, hdc );
pen = CreatePen( PS_SOLID, 0, GetSysColor( COLOR_APPWORKSPACE ) );
bRunning = true;
return 0;
}
int render_spec( struct winampVisModule * this_mod )
{
// Clear background
RECT rect = { 0, 0, 576, 256 };
FillRect(memDC, &rect, ( HBRUSH )( COLOR_3DFACE + 1 ) );
// Draw analyser
SelectObject( memDC, pen );
for( int x = 0; x < 576; x++ )
{
int val = 0;
for( int y = 0; y < this_mod->nCh; y++ )
{
if( this_mod->spectrumData[ y ][ x ] > val )
{
val = this_mod->spectrumData[ y ][ x ];
}
}
MoveToEx( memDC, x, 256, NULL );
LineTo( memDC, x, 256 - val );
}
// Copy doublebuffer to window
HDC hdc = GetDC( hRender );
StretchBlt( hdc, 0, 0, width, height, memDC, 0, 0, 576, 256, SRCCOPY );
ReleaseDC( hRender, hdc );
return bRunning ? 0 : 1;
}
void quit( struct winampVisModule * this_mod )
{
if( bRunning )
{
DestroyWindow( hRender );
}
UnregisterClass( szClassName, this_mod->hDllInstance );
// Delete doublebuffer
SelectObject( memDC, oldBM );
DeleteObject( memDC );
DeleteObject( memBM );
DeleteObject( pen );
}