Versió 1.1
This commit is contained in:
jaildoctor
309
DrawManager.cpp
Normal file
309
DrawManager.cpp
Normal file
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#include "DrawManager.h"
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#include "const.h"
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#include "fileManager.h"
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#include "SDL/SDL_image.h"
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DrawManager::DrawManager(int pMode)
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{
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mode = pMode;
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screen = NULL;
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screenBig = NULL;
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}
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DrawManager::~DrawManager(void)
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{
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SDL_FreeSurface(temp);
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SDL_FreeSurface(black);
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SDL_FreeSurface(faded);
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}
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bool DrawManager::Init(void)
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{
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switch (mode) {
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case 1:
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screenBig = SDL_SetVideoMode( SCREEN_WIDTH<<1, SCREEN_HEIGHT<<1, SCREEN_BPP, SDL_SWSURFACE );
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if( screenBig == NULL ) { return false; }
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screen = LoadBitmap("black.gif");
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break;
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case 2:
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screen = SDL_SetVideoMode( SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, SDL_FULLSCREEN );
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if( screen == NULL ) { return false; }
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break;
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default:
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screen = SDL_SetVideoMode( SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, SDL_SWSURFACE );
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if( screen == NULL ) { return false; }
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break;
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}
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color_blanco = -1;
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color_rojo = SDL_MapRGB( screen->format, 255, 0, 0 );
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color_verde = SDL_MapRGB( screen->format, 0, 255, 0 );
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color_azul = SDL_MapRGB( screen->format, 0, 0, 255 );
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black = LoadBitmap("black.gif");
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temp = LoadBitmap("black.gif");
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faded = LoadBitmap("black.gif");
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return true;
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}
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bool DrawManager::Flip(void)
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{
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if (mode == 1) {
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for (int x=0; x<320; x++) {
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for (int y=0; y<200; y++) {
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put_pixel32(screenBig, x<<1 , y<<1 , get_pixel32(screen, x, y));
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put_pixel32(screenBig, (x<<1)+1, y<<1 , get_pixel32(screen, x, y));
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put_pixel32(screenBig, x<<1 , (y<<1)+1, get_pixel32(screen, x, y));
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put_pixel32(screenBig, (x<<1)+1, (y<<1)+1, get_pixel32(screen, x, y));
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}
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}
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if (SDL_Flip( screenBig ) == -1 ) {
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return true;
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} else {
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return false;
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}
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} else {
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if (SDL_Flip( screen ) == -1 ) {
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return true;
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} else {
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return false;
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}
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}
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}
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SDL_Surface *DrawManager::LoadBitmap(char *bitmapfilename, bool doColorKey)
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{
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//Get the bitmap's buffer and size from the resource file
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int filesize = 0;
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char *buffer = GetBufferFromResource(bitmapfilename, &filesize);
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//Load the buffer into a surface using RWops
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SDL_RWops *rw = SDL_RWFromMem(buffer, filesize);
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//SDL_Surface *temp = SDL_LoadBMP_RW(rw, 1);
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SDL_Surface *temp = IMG_Load_RW(rw, 1);
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//Release the bitmap buffer memory
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free(buffer);
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//Were we able to load the bitmap?
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if (temp == NULL)
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{
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printf("Unable to load bitmap: %s\n", SDL_GetError());
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exit(1);
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}
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//Convert the image to optimal display format
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SDL_Surface *image;
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image = SDL_DisplayFormat(temp);
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if (doColorKey) {
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Uint32 colorkey = SDL_MapRGB( image->format, 0, 0, 0 );
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SDL_SetColorKey( image, SDL_SRCCOLORKEY, colorkey );
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}
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//Free the temporary surface
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SDL_FreeSurface(temp);
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//Return our loaded image
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return image;
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}
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SDL_Surface *DrawManager::LoadMask(char *bitmapfilename)
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{
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//Get the bitmap's buffer and size from the resource file
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int filesize = 0;
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char *buffer = GetBufferFromResource(bitmapfilename, &filesize);
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//Load the buffer into a surface using RWops
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SDL_RWops *rw = SDL_RWFromMem(buffer, filesize);
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//SDL_Surface *temp = SDL_LoadBMP_RW(rw, 1);
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SDL_Surface *temp = IMG_Load_RW(rw, 1);
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//Release the bitmap buffer memory
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free(buffer);
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//Were we able to load the bitmap?
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if (temp == NULL)
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{
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printf("Unable to load bitmap: %s\n", SDL_GetError());
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exit(1);
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}
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//Convert the image to optimal display format
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SDL_Surface *image;
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image = SDL_DisplayFormat(temp);
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Uint32 colorkey = SDL_MapRGB( image->format, 255, 255, 255 );
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SDL_SetColorKey( image, SDL_SRCCOLORKEY, colorkey );
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//Free the temporary surface
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SDL_FreeSurface(temp);
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//Return our loaded image
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return image;
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}
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void DrawManager::apply_surface( int x, int y, SDL_Surface* source, SDL_Surface* destination, SDL_Rect* clip )
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{
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SDL_Rect offset;
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offset.x = x;
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offset.y = y;
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SDL_BlitSurface( source, clip, destination, &offset );
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}
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void DrawManager::Blit( int x, int y, SDL_Surface* source, SDL_Rect* clip )
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{
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apply_surface(x, y, source, screen, clip);
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}
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void DrawManager::Print( int x, int y, SDL_Surface* source, int w, int h, char *text, SDL_Surface *dest ) {
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int index = 0;
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SDL_Rect clip;
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clip.y = 0;
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clip.w = w;
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clip.h = h;
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if (dest == NULL) dest = screen;
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while (text[index] > 0) {
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clip.x = (text[index] - 32) * 7;
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apply_surface(x+(index*w), y, source, dest, &clip);
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index++;
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}
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}
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void DrawManager::FadeOut()
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{
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alpha = 0;
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apply_surface(0, 0, screen, temp);
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int currentTicks;
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int startTicks = SDL_GetTicks();
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while (alpha < 255) {
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SDL_SetAlpha( black, SDL_SRCALPHA | SDL_RLEACCEL, alpha );
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Blit(0,0, temp);
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Blit(0,0, black);
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Flip();
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currentTicks = SDL_GetTicks() - startTicks;
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if( currentTicks >= 10 ) {
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startTicks = SDL_GetTicks();
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alpha+=8;
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}
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}
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}
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void DrawManager::FadeIn()
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{
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alpha = 255;
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apply_surface(0, 0, screen, temp);
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int currentTicks;
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int startTicks = SDL_GetTicks();
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while (alpha > 0) {
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SDL_SetAlpha( black, SDL_SRCALPHA | SDL_RLEACCEL, alpha );
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Blit(0,0, temp);
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Blit(0,0, black);
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Flip();
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currentTicks = SDL_GetTicks() - startTicks;
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if( currentTicks >= 10 ) {
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startTicks = SDL_GetTicks();
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alpha-=8;
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}
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}
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}
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void DrawManager::FadeOutGray()
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{
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alpha = 0;
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apply_surface(0, 0, screen, temp);
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int currentTicks;
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int startTicks = SDL_GetTicks();
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while (alpha < 127) {
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SDL_SetAlpha( black, SDL_SRCALPHA | SDL_RLEACCEL, alpha );
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Blit(0,0, temp);
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Blit(0,0, black);
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Flip();
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currentTicks = SDL_GetTicks() - startTicks;
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if( currentTicks >= 10 ) {
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startTicks = SDL_GetTicks();
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alpha+=8;
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}
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}
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apply_surface(0, 0, screen, faded);
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}
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void DrawManager::FadeInGray()
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{
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alpha = 127;
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//apply_surface(0, 0, screen, temp);
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int currentTicks;
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int startTicks = SDL_GetTicks();
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while (alpha > 0) {
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SDL_SetAlpha( black, SDL_SRCALPHA | SDL_RLEACCEL, alpha );
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Blit(0,0, temp);
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Blit(0,0, black);
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Flip();
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currentTicks = SDL_GetTicks() - startTicks;
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if( currentTicks >= 10 ) {
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startTicks = SDL_GetTicks();
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alpha-=8;
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}
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}
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}
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void DrawManager::DrawFadedBack() {
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Blit(0,0, faded);
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}
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SDL_Surface *DrawManager::LoadFont(char *bitmapfilename, Uint32 color)
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{
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if (color == 0xFFFFFFFF) {
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return LoadBitmap(bitmapfilename, true);
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} else {
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SDL_Surface *temporal = LoadBitmap(bitmapfilename, true);
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if( SDL_MUSTLOCK( temporal ) ) { SDL_LockSurface( temporal ); }
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for (int x=0; x<temporal->w; x++) {
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for (int y=0; y<temporal->h; y++) {
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if (get_pixel32(temporal, x, y) == 0xFFFFFF) {
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put_pixel32(temporal, x, y, color);
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}
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}
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}
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if( SDL_MUSTLOCK( temporal ) ) { SDL_UnlockSurface( temporal ); }
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return temporal;
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}
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}
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Uint32 DrawManager::get_pixel32( SDL_Surface *surface, int x, int y )
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{
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Uint32 *pixels = (Uint32 *)surface->pixels;
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return pixels[ ( y * surface->w ) + x ];
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}
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void DrawManager::put_pixel32( SDL_Surface *surface, int x, int y, Uint32 pixel )
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{
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Uint32 *pixels = (Uint32 *)surface->pixels;
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pixels[ ( y * surface->w ) + x ] = pixel;
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}
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