static void PAINTER_New( DaoProcess *proc, DaoValue *p[], int N )
{
DaoxPainter *self = DaoxPainter_New();
DaoProcess_PutValue( proc, (DaoValue*) self );
}
static void WIN_Show( DaoProcess *proc, DaoValue *p[], int N )
{
DaoxWindow *self = (DaoxWindow*) p[0];
DaoxCanvas *canvas = (DaoxCanvas*) DaoValue_CastCstruct( p[1], daox_type_canvas );
DaoxScene *scene = (DaoxScene*) DaoValue_CastCstruct( p[1], daox_type_scene );
DaoxFont *font = DaoxFont_GetDefault();
int fpsLimit = p[2]->xInteger.value;
int fpsTest = p[3]->xBoolean.value;
double fpsTestTime = 0.0;
double timeInterval = 0.0;
double lastFrameStart = 0.0;
float currentFPS = 0.0;
size_t fpsCount = 0;
char chars[32];
if( fpsTest && self->widget == NULL ){
char *fpsText = "FPS: ";
DaoxColor bgcolor = {0.0,0.0,0.0,0.0};
DaoxBrush *brush;
self->widget = DaoxCanvas_New( NULL );
self->widget->viewport.right = self->width;
self->widget->viewport.top = self->height;
DaoGC_IncRC( (DaoValue*) self->widget );
DaoxCanvas_SetBackground( self->widget, bgcolor );
brush = DaoxCanvas_PushBrush( self->widget, 0 );
brush->strokeColor.blue = 1.0;
brush->fillColor.blue = 1.0;
brush->fillColor.alpha = 1.0;
brush->fontSize = 20;
self->fpsLabel = DaoxCanvas_AddText( self->widget, fpsText, 10, self->height - 20, 0 );
}
if( self->painter == NULL && (canvas != NULL || self->widget != NULL) ){
self->painter = DaoxPainter_New( self->context );
DaoGC_IncRC( (DaoValue*) self->painter );
}
if( self->renderer == NULL && scene != NULL ){
self->renderer = DaoxRenderer_New( self->context );
DaoGC_IncRC( (DaoValue*) self->renderer );
}
if( canvas != NULL ){
float dm = sqrt(self->width*self->width + self->height*self->height );
float cx = 0.5*(canvas->viewport.left + canvas->viewport.right);
float cy = 0.5*(canvas->viewport.top + canvas->viewport.bottom);
float w = canvas->viewport.right - canvas->viewport.left;
float h = canvas->viewport.top - canvas->viewport.bottom;
float d = sqrt(w*w + h*h);
w = 0.5 * self->width * d / dm;
h = 0.5 * self->height * d / dm;
canvas->viewport.left = cx - w;
canvas->viewport.right = cx + w;
canvas->viewport.bottom = cy - h;
canvas->viewport.top = cy + h;
}
GC_Assign( & self->model, p[1] );
self->visible = 1;
glfwShowWindow( self->handle );
glfwMakeContextCurrent( self->handle );
glfwSetKeyCallback( self->handle, DaoxWindow_KeyCallback );
glfwSetCursorPosCallback( self->handle, DaoxWindow_CursorMoveCallback );
glfwSetCursorEnterCallback( self->handle, DaoxWindow_CursorEnterCallback );
glfwSetWindowFocusCallback( self->handle, DaoxWindow_FocusCallback );
#ifdef SAVE_RENDERED_SCENE
char name[50];
int frame = 1;
DaoxImage *image = DaoxImage_New();
image->depth = DAOX_IMAGE_BIT32;
DaoxImage_Resize( image, self->width, self->height );
#endif
while( self->visible && ! glfwWindowShouldClose( self->handle ) ){
double frameStartTime = 0.0;
double frameEndTime = 0.0;
frameStartTime = glfwGetTime();
if( canvas ) DaoxPainter_Paint( self->painter, canvas, canvas->viewport );
if( scene ){
#ifdef SAVE_RENDERED_SCENE
DaoxScene_Update( scene, 1.0/30.0 );
glReadBuffer( GL_BACK );
glPixelStorei( GL_UNPACK_ALIGNMENT, 4 );
glPixelStorei( GL_PACK_ROW_LENGTH, image->width );
DaoxRenderer_Render( self->renderer, scene, scene->camera );
glReadPixels( 0, 0, self->width, self->height, GL_RGBA, GL_UNSIGNED_BYTE, image->imageData );
sprintf( name, "rama_attack_frame_%03i.png", frame );
DaoxImage_SavePNG( image, name );
frame += 1;
if( frame > 155 ) break;
#else
DaoxScene_Update( scene, frameStartTime - lastFrameStart );
DaoxRenderer_Render( self->renderer, scene, scene->camera );
#endif
}
lastFrameStart = frameStartTime;
if( fpsTest ){
if( fpsCount % 10 == 0 ){
int i, n = sprintf( chars, "%.1f", currentFPS );
for(i=0; i<n; ++i){
DaoxGlyph *glyph = DaoxFont_GetGlyph( font, chars[i] );
DaoxCanvasNode *chnode = self->fpsLabel->children->items.pCanvasNode[i+5];
DaoxPath *path = DaoxPathCache_FindPath( self->widget->pathCache, glyph->shape );
GC_Assign( & chnode->path, path );
DaoxCanvasNode_MarkDataChanged( chnode );
}
}
DaoxPainter_Paint( self->painter, self->widget, self->widget->viewport );
}
glfwSwapBuffers( self->handle );
glfwPollEvents();
if( fpsTest == 0 ) continue;
frameEndTime = glfwGetTime();
timeInterval = frameEndTime - frameStartTime;
if( timeInterval < 1.0/fpsLimit ) usleep( 1000000 * (1.0/fpsLimit - timeInterval) );
fpsCount += 1;
currentFPS = fpsCount / (frameEndTime - fpsTestTime);
if( frameEndTime > (fpsTestTime + 3) ){
fpsTestTime = frameEndTime - 1.0;
fpsCount = currentFPS; /* Frame count estimation in the past second; */
}
}
glfwHideWindow( self->handle );
}
