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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* The Mana World is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "../log.h"
#include "image.h"
#include <iostream>
Image::Image(BITMAP *image):
image(image)
{
}
Image::~Image()
{
unload();
}
Image* Image::load(const std::string &filePath)
{
// Attempt to use SDL_Image to load the file.
//image = IMG_Load(filePath.c_str());
std::cout << "Attempting to load image from " << filePath << std::endl;
BITMAP *image = load_bitmap(filePath.c_str(), NULL);
// Check if the file was opened and return the appropriate value.
if (!image) {
//log("Error", "Image load failed : %s", IMG_GetError());
log("Error", "Image load failed : %s", filePath.c_str());
return NULL;
}
return new Image(image);
}
void Image::unload()
{
// Free the image surface.
if (image != NULL) {
//SDL_FreeSurface(image);
destroy_bitmap(image);
image = NULL;
loaded = false;
}
}
int Image::getWidth() const
{
if (image != NULL) {
return image->w;
}
return 0;
}
int Image::getHeight() const
{
if (image != NULL) {
return image->h;
}
return 0;
}
Image* Image::getSubImage(int x, int y, int width, int height)
{
// Create a new clipped sub-image
return new SubImage(this, image, x, y, width, height);
}
Image* Image::getScaledInstance(int width, int height)
{
return new ScaledImage(this, image, width, height);
}
bool Image::draw(BITMAP *screen, int x, int y)
{
// Check that preconditions for blitting are met.
if (screen == NULL || image == NULL) return false;
//SDL_Rect dst_rect;
//dst_rect.x = x + offset_x;
//dst_rect.y = y + offset_y;
//SDL_BlitSurface(src, NULL, dst, &dst_rect);
// Draw the image onto the screen.
draw_sprite(screen, image, x, y);
//if (SDL_BlitSurface(image, NULL, screen, &screenRect) < 0) {
// return false;
//}
return true;
}
void Image::drawPattern(BITMAP *screen, int x, int y, int w, int h)
{
int iw = getWidth(); // Width of image
int ih = getHeight(); // Height of image
if (iw == 0 || ih == 0) return;
int px = 0; // X position on pattern plane
int py = 0; // Y position on pattern plane
while (py < h) {
while (px < w) {
draw(screen, x + px, y + py);
// TODO: Prevent overdraw
px += iw;
}
py += ih;
px = x;
}
}
//============================================================================
SubImage::SubImage(Image *parent, BITMAP *image,
int x, int y, int width, int height):
Image(create_sub_bitmap(image, x, y, width, height)),
parent(parent)
{
//this->image = create_sub_bitmap(image, x, y, width, height);
parent->incRef();
// Set up the clipping rectangle.
//clipRect.x = x;
//clipRect.y = y;
//clipRect.w = width;
//clipRect.h = height;
}
SubImage::~SubImage()
{
if (image) {
destroy_bitmap(image);
image = NULL;
}
// TODO: Enable when no longer a problem
//parent->decRef();
}
bool SubImage::draw(BITMAP *screen, int x, int y)
{
// Check that drawing preconditions are satisfied.
if (screen == NULL || image == NULL) return false;
// Draw the image onto the screen.
draw_sprite(screen, image, x, y);
//if (SDL_BlitSurface(image, &clipRect, screen, &screenRect) < 0) {
// return false;
//}
return true;
}
//============================================================================
ScaledImage::ScaledImage(Image *parent, BITMAP *bmp, int width, int height):
Image(create_bitmap(width, height))
{
if (image) {
stretch_blit(bmp, image, 0, 0, bmp->w, bmp->h, 0, 0, width, height);
}
}
ScaledImage::~ScaledImage()
{
if (image) {
destroy_bitmap(image);
image = NULL;
}
}
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