void butt_cb(Fl_Widget *butt, void *data)
{
	// Deactivate the button
	butt->deactivate();                        // prevent button from being pressed again
	Fl::check();                               // give fltk some cpu to gray out button
	// Make the progress bar
	Fl_Window *w = (Fl_Window*)data;           // access parent window
	w->begin();                                // add progress bar to it..
	Fl_Progress *progress = new Fl_Progress(10,50,200,30);

	progress->minimum(0);                      // set progress range to be 0.0 ~ 1.0
	progress->maximum(1);
	progress->color(0x88888800);               // background color
	progress->selection_color(0x4444ff00);     // progress bar color
	progress->labelcolor(FL_WHITE);            // percent text color
	w->end();                                  // end adding to window
	// Computation loop..

	for ( int t=1; t<=500; t++ )
	{
		progress->value(t/500.0);              // update progress bar with 0.0 ~ 1.0 value
		char percent[10];
		sprintf(percent, "%d%%", int((t/500.0)*100.0));
		progress->label(percent);              // update progress bar's label
		Fl::check();                           // give fltk some cpu to update the screen
		Sleep(1000);                          // 'your stuff' that's compute intensive
	}

	// Cleanup
	w->remove(progress);                       // remove progress bar from window
	delete(progress);                          // deallocate it
	butt->activate();                          // reactivate button
	w->redraw();                               // tell window to redraw now that progress removed
}
Beispiel #2
0
void sprites::importSpriteSheet(const char*fname){
	if(!fname){
		if(!load_file_generic("Load image"))
			return;
		fname=the_file.c_str();
	}
	if(fname){
		Fl_Shared_Image * loaded_image=Fl_Shared_Image::get(fname);
		if(!loaded_image){
			fl_alert("Error loading image");
			return;
		}
		unsigned depth=loaded_image->d();
		if (unlikely(depth != 3 && depth != 4 && depth!=1)){
			fl_alert("Please use color depth of 1,3 or 4\nYou Used %d",depth);
			loaded_image->release();
			return;
		}else
			printf("Image depth %d\n",depth);
		uint32_t w,h;
		w=loaded_image->w();
		h=loaded_image->h();
		bool grayscale;
		uint8_t*palMap;
		uint8_t*imgptr;
		unsigned remap[256];
		if(depth==1){
			grayscale=handle1byteImg(loaded_image,remap);
			if(!grayscale){
				palMap=(uint8_t*)loaded_image->data()[1];
				imgptr=(uint8_t*)loaded_image->data()[2];
			}
		}
		uint8_t mask[3];
		bool useAlpha;
		if(getMaskColorImg(loaded_image,grayscale,remap,palMap,mask,useAlpha)){
			std::vector<int> rects;//x0,x1,y0,y1
			Fl_Window *winP;
			Fl_Progress *progress;
			mkProgress(&winP,&progress);
			time_t lasttime=time(NULL);
			progress->maximum(h);
			Fl::check();
			for(int y=0;y<h;++y){
				for(int x=0;x<w;++x){
					if(!isMask(x,y,loaded_image,grayscale,useAlpha,mask)){
						rects.push_back(x);
						while(!isMask(x+1,y,loaded_image,grayscale,useAlpha,mask))
							++x;
						rects.push_back(x);
						rects.push_back(y);
						rects.push_back(y);
					}
				}
				if((time(NULL)-lasttime)>=1){
					lasttime=time(NULL);
					progress->value(h);
					Fl::check();
				}
			}
			progress->maximum(rects.size());
			progress->value(0);
			//Now combine the rectangles
			//Start by combining rectangles by that touch with y values
			bool canEnd;
			int pass=0;
			char txtbufstage[1024];
			char txtbuf[1024];
			do{
			canEnd=true;
			snprintf(txtbufstage,1024,"Stage 1 pass %d",pass++);
			winP->label(txtbufstage);
			Fl::check();
			for(int i=0;i<rects.size();i+=4){
				for(int j=0;j<rects.size();j+=4){
					if(i==j)
						continue;
					//See if rectangles are touching or overlap
					//if((inRange(rects[j+2],rects[i+2]-1,rects[i+3]+1)||inRange(rects[i+2],rects[j+2]-1,rects[j+3]+1))&&(!((rects[i+2]==rects[j+2])||(rects[i+3]==rects[j+3])))){//Is rectange j directly above or below i
					if((rects[j+3]-rects[i+2])==1){
						if((inRange(rects[j],rects[i]-1,rects[i+1]+1)||inRange(rects[i],rects[j]-1,rects[j+1]+1))){
							canEnd=false;
							//Merge the two squares obtaining maximum size
							//Now try and find the combination that results in the largest rectangle
							rects[i]=std::min(rects[i],rects[j]);
							rects[i+1]=std::max(rects[i+1],rects[j+1]);
							rects[i+2]=std::min(rects[i+2],rects[j+2]);
							rects[i+3]=std::max(rects[i+3],rects[j+3]);
							rects.erase(rects.begin()+j,rects.begin()+j+4);
							//Now try to find next in sequence
							bool foundit;
							do{
								foundit=false;
								for(int a=0;a<rects.size();a+=4){
									int look=rects[i+3]+1;
									if(rects[a+2]==look){
										if((inRange(rects[a],rects[i]-1,rects[i+1]+1)||inRange(rects[i],rects[a]-1,rects[a+1]+1))){
											foundit=true;
											rects[i]=std::min(rects[i],rects[a]);
											rects[i+1]=std::max(rects[i+1],rects[a+1]);
											rects[i+2]=std::min(rects[i+2],rects[a+2]);
											rects[i+3]=std::max(rects[i+3],rects[a+3]);
											rects.erase(rects.begin()+a,rects.begin()+a+4);
										}
									}
								}
							}while(foundit);
						}
					}
				}
				if((time(NULL)-lasttime)>=1){
					lasttime=time(NULL);
					progress->maximum(rects.size());
					progress->value(i);
					snprintf(txtbuf,1024,"Rectangles: %d",rects.size());
					progress->label(txtbuf);
					Fl::check();
				}
			}
			}while(!canEnd);
			pass=0;
			do{
				canEnd=true;
				snprintf(txtbufstage,1024,"Stage 2 pass %d",pass++);
				winP->label(txtbufstage);
				progress->maximum(rects.size());
				progress->value(0);
				Fl::check();
				for(int i=0;i<rects.size();i+=4){
					for(int j=0;j<rects.size();j+=4){
						if(i==j)
							continue;
						//Merge overlapping rectangles
						if((rects[i]<=rects[j+1])&&(rects[i+1]>=rects[j])&&(rects[i+2]<=rects[j+3])&&(rects[i+3]>=rects[j+2])){
							canEnd=false;
							rects[i]=std::min(rects[i],rects[j]);
							rects[i+1]=std::max(rects[i+1],rects[j+1]);
							rects[i+2]=std::min(rects[i+2],rects[j+2]);
							rects[i+3]=std::max(rects[i+3],rects[j+3]);
							rects.erase(rects.begin()+j,rects.begin()+j+4);
						}
						//Merge touching rectangles
						if(abs(rects[i+1]-rects[j])==1){
							if((inRange(rects[j+2],rects[i+2]-1,rects[i+3]+1)||inRange(rects[i+2],rects[j+2]-1,rects[j+3]+1))){
								canEnd=false;
								rects[i]=std::min(rects[i],rects[j]);
								rects[i+1]=std::max(rects[i+1],rects[j+1]);
								rects[i+2]=std::min(rects[i+2],rects[j+2]);
								rects[i+3]=std::max(rects[i+3],rects[j+3]);
								rects.erase(rects.begin()+j,rects.begin()+j+4);
							}
						}
					}
					if((time(NULL)-lasttime)>=1){
						lasttime=time(NULL);
						progress->maximum(rects.size());
						progress->value(i);
						snprintf(txtbuf,1024,"Rectangles: %d",rects.size());
						progress->label(txtbuf);
						Fl::check();
					}
				}
			}while(!canEnd);
			winP->remove(progress);// remove progress bar from window
			delete(progress);// deallocate it
			delete winP;
			std::vector<bool> deleted;
			deleted.resize(rects.size()/4);
			//Now show the window allowing user to adjust sprite settings
			if(window){
				win=new Fl_Double_Window(640,480,"Sprite selection");
				win->begin();
				win->resizable(win);
				Fl_Button * Ok=new Fl_Button(256,448,64,24,"Okay");
				Ok->callback(RetCB,(void*)1);
				Fl_Button * Cancel=new Fl_Button(320,448,64,24,"Cancel");
				Cancel->callback(RetCB,0);
				Fl_Scroll*scroll=new Fl_Scroll(8,8,624,440);
				box=new RectBox(8,8,w,h);
				box->scroll=scroll;
				box->rects=&rects;
				box->deleted=&deleted;
				box->image(loaded_image);
				scroll->end();
				win->end();
				win->set_modal();
				win->show();
				Fl::check();

				while(win->shown())
					Fl::wait();
				delete win;
			}else
				retOkay=true;
			if(retOkay){
				for(unsigned i=0;i<rects.size();i+=4){
					recttoSprite(rects[i],rects[i+1],rects[i+2],rects[i+3],-1,loaded_image,grayscale,remap,palMap,mask,true,useAlpha);
				}
				updateTileSelectAmt();
			}
			deleted.clear();
			rects.clear();
		}
		loaded_image->release();
	}
}