int main( int argc, char **argv )
{
SDL_Surface *surface = 0;
// SDL initialization steps.
if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE | SDL_INIT_TIMER | SDL_INIT_AUDIO ) < 0 )
{
fprintf( stderr, "SDL initialization failed: %s\n", SDL_GetError( ) );
exit( 1 );
}
SDL_EnableKeyRepeat( 0, 0 );
SDL_EnableUNICODE( 1 );
const SDL_version* sversion = SDL_Linked_Version();
void* handle = SDL_LoadObject( "SDL_image" );
libIMG_Load = (PFN_IMG_LOAD)SDL_LoadFunction( handle, "IMG_Load" );
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, 8);
int videoFlags = SDL_OPENGL; /* Enable OpenGL in SDL */
videoFlags |= SDL_GL_DOUBLEBUFFER; /* Enable double buffering */
surface = SDL_SetVideoMode( SCREEN_X, SCREEN_Y, 32, videoFlags );
// Load text texture
SDL_Surface* textSurface = SDL_LoadBMP( "stdfont2.bmp" );
GLuint textTextureID;
glGenTextures( 1, &textTextureID );
glBindTexture( GL_TEXTURE_2D, textTextureID );
glTexParameteri( GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST );
glTexImage2D( GL_TEXTURE_2D, 0, GL_ALPHA, textSurface->w, textSurface->h, 0, GL_ALPHA, GL_UNSIGNED_BYTE, textSurface->pixels );
SDL_FreeSurface( textSurface );
// Load a bitmap
SDL_Surface* imageSurface = libIMG_Load( "buttons.png" );
GLuint imageTextureID;
glGenTextures( 1, &imageTextureID );
glBindTexture( GL_TEXTURE_2D, imageTextureID );
glTexParameteri( GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST );
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, imageSurface->w, imageSurface->h, 0, GL_RGBA, GL_UNSIGNED_BYTE, imageSurface->pixels );
SDL_FreeSurface( imageSurface );
// 256, 128
RenderAtom textAtom( (const void*)RENDERSTATE_TEXT, (const void*)textTextureID, 0, 0, 0, 0 );
RenderAtom textAtomD = textAtom;
textAtomD.renderState = (const void*) RENDERSTATE_TEXT_DISABLED;
// 100x100
RenderAtom imageAtom( (const void*)RENDERSTATE_NORMAL, (const void*)imageTextureID, 0.5f, 0.5f, 228.f/256.f, 28.f/256.f );
// 50x50
RenderAtom decoAtom( (const void*)RENDERSTATE_NORMAL, (const void*)imageTextureID, 0, 0.25f, 0.25f, 0.f );
RenderAtom decoAtomD = decoAtom;
decoAtomD.renderState = (const void*) RENDERSTATE_DISABLED;
RenderAtom focusAtom( (const void*)RENDERSTATE_NORMAL, (const void*)imageTextureID, 0.0f, 0.25f, 0.25f, 0.50f );
TextMetrics textMetrics;
Renderer renderer;
Gamui gamui( &renderer, textAtom, textAtomD, &textMetrics );
TextLabel textLabel[2];
textLabel[0].Init( &gamui );
textLabel[1].Init( &gamui );
textLabel[0].SetText( "Hello Gamui" );
textLabel[1].SetText( "Very long text to test the string allocator." );
textLabel[1].SetPos( 10, 20 );
Image image0( &gamui, imageAtom, true );
image0.SetPos( 50, 50 );
image0.SetSize( 100, 100 );
TextBox block;
block.Init( &gamui );
block.SetPos( 50, 50 );
block.SetSize( 100, 100 );
block.SetText( "This is paragraph one.\n\nAnd number 2." );
Image image1( &gamui, imageAtom, true );
image1.SetPos( 50, 200 );
image1.SetSize( 125, 125 );
Image image2( &gamui, imageAtom, true );
image2.SetPos( 200, 50 );
image2.SetSize( 50, 50 );
Image image2b( &gamui, imageAtom, true );
image2b.SetPos( 270, 50 );
image2b.SetSize( 50, 50 );
Image image2c( &gamui, imageAtom, true );
image2c.SetPos( 200, 120 );
image2c.SetSize( 50, 50 );
Image image2d( &gamui, imageAtom, true );
image2d.SetPos( 270, 120 );
image2d.SetSize( 50, 50 );
Image image3( &gamui, imageAtom, true );
image3.SetPos( 200, 200 );
image3.SetSize( 125, 125 );
image3.SetSlice( true );
// 50x50
RenderAtom up( (const void*)RENDERSTATE_NORMAL, (const void*)imageTextureID, 0, 1, (52.f/256.f), (204.f/256.f) );
RenderAtom upD = up;
upD.renderState = (const void*) RENDERSTATE_DISABLED;
// 50x50
RenderAtom down( (const void*)RENDERSTATE_NORMAL, (const void*)imageTextureID, 0, 0.75f, (52.f/256.f), (140.f/256.f) );
RenderAtom downD( down, (const void*)RENDERSTATE_DISABLED );
PushButton button0( &gamui, up, upD, down, downD, decoAtom, decoAtomD );
button0.SetPos( 350, 50 );
button0.SetSize( 150, 75 );
button0.SetText( "Button" );
PushButton button1( &gamui, up, upD, down, downD, decoAtom, decoAtomD );
button1.SetPos( 350, 150 );
button1.SetSize( 150, 75 );
button1.SetText( "Button" );
button1.SetEnabled( false );
gamui.AddToFocusGroup( &button0, 0 );
gamui.AddToFocusGroup( &button1, 0 );
gamui.SetFocusLook( focusAtom, 0 );
gamui.SetFocus( &button1 );
ToggleButton toggle( &gamui, up, upD, down, downD, decoAtom, decoAtomD );
toggle.SetPos( 350, 250 );
toggle.SetSize( 150, 50 );
toggle.SetText( "Toggle" );
toggle.SetText2( "Line 2" );
ToggleButton toggle0( &gamui, up, upD, down, downD, decoAtom, decoAtomD );
toggle0.SetPos( 350, 325 );
toggle0.SetSize( 75, 50 );
toggle0.SetText( "group" );
ToggleButton toggle1( &gamui, up, upD, down, downD, decoAtom, decoAtomD );
toggle1.SetPos( 430, 325 );
toggle1.SetSize( 75, 50 );
toggle1.SetText( "group" );
ToggleButton toggle2( &gamui, up, upD, down, downD, decoAtom, decoAtomD );
toggle2.SetPos( 510, 325 );
toggle2.SetSize( 75, 50 );
toggle2.SetText( "group" );
toggle0.AddToToggleGroup( &toggle1 );
toggle0.AddToToggleGroup( &toggle2 );
gamui.AddToFocusGroup( &toggle0, 0 );
gamui.AddToFocusGroup( &toggle1, 0 );
gamui.AddToFocusGroup( &toggle2, 0 );
// 15x30
RenderAtom tick0( (const void*)RENDERSTATE_NORMAL, (const void*)imageTextureID, 0, 0, 0, 0 );
RenderAtom tick1=tick0, tick2=tick0;
tick0.SetCoord( 190.f/256.f, 225.f/256.f, 205.f/256.f, 1 );
tick2.SetCoord( 190.f/256.f, 180.f/256.f, 205.f/256.f, 210.f/256.f );
tick1.SetCoord( 230.f/256.f, 225.f/256.f, 245.f/256.f, 1 );
DigitalBar bar( &gamui, 10, tick0, tick1, tick2 );
bar.SetRange( 0.33f, 0.66f );
bar.SetPos( 20, 350 );
bar.SetSize( 100, 20 );
RenderAtom nullAtom;
TiledImage<2, 2> tiled( &gamui );
tiled.SetPos( 520, 20 );
tiled.SetSize( 50, 50 );
tiled.SetTile( 0, 0, tick1 );
tiled.SetTile( 1, 0, nullAtom );
tiled.SetTile( 0, 1, nullAtom );
tiled.SetTile( 1, 1, tick0 );
bool done = false;
float range = 0.5f;
while ( !done ) {
SDL_Event event;
if ( SDL_PollEvent( &event ) ) {
switch( event.type ) {
case SDL_KEYDOWN:
{
switch ( event.key.keysym.sym )
{
case SDLK_ESCAPE:
done = true;
break;
case SDLK_UP: gamui.MoveFocus( 0, -1 ); break;
case SDLK_DOWN: gamui.MoveFocus( 0, 1 ); break;
case SDLK_LEFT: gamui.MoveFocus( -1, 0 ); break;
case SDLK_RIGHT: gamui.MoveFocus( 1, 0 ); break;
}
}
break;
case SDL_MOUSEBUTTONDOWN:
gamui.TapDown( event.button.x, event.button.y );
break;
case SDL_MOUSEBUTTONUP:
{
const UIItem* item = gamui.TapUp( event.button.x, event.button.y );
if ( item ) {
range += 0.1f;
if ( range > 1.0f )
range = 0.0f;
bar.SetRange( 0, range );
}
if ( item == &button0 || item == &button1 ) {
gamui.SetFocus( item );
}
}
break;
case SDL_QUIT:
done = true;
break;
}
}
glClearColor( 0, 0, 0, 1 );
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
float rotation = (float)((double)SDL_GetTicks() * 0.05 );
image2b.SetRotationX( rotation );
image2c.SetRotationY( rotation );
image2d.SetRotationZ( rotation );
gamui.Render();
SDL_GL_SwapBuffers();
}
SDL_Quit();
return 0;
}
