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/*
surface wrapper for SDL
Copyright (C) 2000 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#include "sdlSurface.h"
#ifdef SDL_WRAPPER
SDLSurface::SDLSurface() {
surface=NULL;
lOpen=false;
imageMode=_IMAGE_NONE;
lSDLInit=false;
imageDeskSDL=new ImageDeskSDL();
}
SDLSurface::~SDLSurface() {
close();
if (imageCurrent != NULL) {
imageCurrent->closeImage();
delete imageCurrent;
// otherwise test of NULL will fail
imageCurrent = NULL;
}
}
int SDLSurface::isOpen() {
return lOpen;
}
int SDLSurface::getImageMode() {
return imageMode;
}
int SDLSurface::open(int width, int height,const char *title,bool border) {
cout << "SDL openImage:"<<title<<endl;
sdlinit();
rect.x = 0;
rect.y = 0;
rect.w = width;
rect.h = height;
return true;
}
int SDLSurface::close() {
if (isOpen()==false) {
cout << "WindowOut::closeWindow already closed"<<endl;
return true;
}
if(surface) {
SDL_FreeSurface(surface);
surface = NULL;
}
lOpen=false;
return true;
}
int SDLSurface::getHeight() {
return rect.h;
}
int SDLSurface::getWidth() {
return rect.w;
}
int SDLSurface::getDepth() {
return video_bpp;
}
int SDLSurface::putImage(YUVPicture* ) {
return true;
}
int SDLSurface::openImage(int imageMode, YUVPicture* pic) {
if (this->imageMode != _IMAGE_NONE) {
cout << "bad open error X11Surface::openImage"<<endl;
exit(0);
}
cout << "************* openImage SDL"<<imageMode<<endl;
this->imageMode=imageMode;
imageCurrent=NULL;
int w=getWidth();
int h=getHeight();
if(imageMode & _IMAGE_RESIZE) {
w=resize_rect.w;
h=resize_rect.h;
}
if (imageMode & _IMAGE_DOUBLE) {
w=rect.w*2;
h=rect.h*2;
}
if (imageMode & _IMAGE_DESK) {
if (imageDeskSDL->support()) {
imageCurrent=imageDeskSDL;
int video_flags = SDL_SWSURFACE;
video_flags |= SDL_ASYNCBLIT;
video_flags |= SDL_RESIZABLE;
if(surface)
SDL_FreeSurface(surface);
surface = SDL_SetVideoMode(w, h, video_bpp, video_flags);
}
}
if (imageMode & _IMAGE_FULL) {
if (imageDeskSDL->support()) {
imageCurrent=imageDeskSDL;
int video_flags = SDL_FULLSCREEN;
video_flags |= SDL_ASYNCBLIT;
video_flags |= SDL_HWSURFACE;
if(surface)
SDL_FreeSurface(surface);
surface = SDL_SetVideoMode(w, h, video_bpp, video_flags);
}
}
if (imageCurrent != NULL) {
cout << "surface:"<<surface<<endl;
imageCurrent->init((XWindow*)surface,(YUVPicture*)&rect);
imageCurrent->openImage(imageMode);
}
return (imageCurrent != NULL);
}
int SDLSurface::closeImage() {
this->imageMode = _IMAGE_NONE;
if (imageCurrent != NULL) {
imageCurrent->closeImage();
}
imageCurrent=NULL;
return true;
}
int SDLSurface::checkEvent(int* newMode) {
int back=false;
SDL_Event event;
SDL_PollEvent(&event);
switch (event.type) {
case SDL_MOUSEBUTTONDOWN: {
int button=event.button.button;
if (button == 1) {
*newMode = imageMode ^ _IMAGE_DOUBLE;
back=true;
}
if (button == 3) {
*newMode = imageMode ^ _IMAGE_DESK ^ _IMAGE_FULL;
back=true;
}
break;
}
case SDL_VIDEORESIZE : {
resize_rect.w = event.resize.w;
resize_rect.h = event.resize.h;
*newMode = imageMode | _IMAGE_RESIZE;
back = true;
break;
}
}
return back;
}
int SDLSurface::dither(YUVPicture* pic) {
if (imageCurrent != NULL) {
imageCurrent->ditherImage(pic);
if(imageMode & _IMAGE_RESIZE) {
imageCurrent->putImage(resize_rect.w, resize_rect.h);
} else {
imageCurrent->putImage(rect.w, rect.h);
}
}
return true;
}
void SDLSurface::sdlinit() {
if (lSDLInit == false) {
if (SDL_Init(SDL_INIT_VIDEO) < 0 ) {
fprintf(stderr, "Warning: Couldn't init SDL video: %s\n",
SDL_GetError());
fprintf(stderr, "Will ignore video stream\n");
exit(0);
}
atexit(SDL_Quit);
cout << "****************** SDL VIDEO System **********"<<endl;
/* Get the "native" video mode */
video_info=SDL_GetVideoInfo();
video_bpp=video_info->vfmt->BitsPerPixel;
imageMode=_IMAGE_NONE;
imageCurrent=NULL;
}
lSDLInit=true;
}
#endif
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