/**
* Render image into the specified square, preserving the aspect ratio. The actual image may be
* smaller than the square.
*
* @param image
* @param width
* @param height
* @param crop
* @return
*/
public WebImage renderToSquare(MasterImage image, int square_size, int... crop) {
int width, height;
if (image.width() > image.height()) {
width = square_size;
height = (square_size * image.height()) / image.width();
if (height > square_size) {
height = square_size;
width = (height * image.width()) / image.height();
}
} else {
height = square_size;
width = (square_size * image.width()) / image.height();
if (width > square_size) {
width = square_size;
height = (square_size * image.height()) / image.width();
}
}
return new WebImage(image, width, height, renderToUrl(image, width, height, crop), crop);
}
// TODO wrong
public WebImage renderToRectangle(
MasterImage image, int rect_width, int rect_height, int... crop) {
int width, height;
if (image.width() > image.height()) {
width = rect_width;
height = (rect_width * image.height()) / image.width();
if (height > rect_height) {
height = rect_height;
width = (rect_height * image.width()) / image.height();
}
} else {
height = rect_height;
width = (rect_height * image.width()) / image.height();
if (width > rect_width) {
width = rect_width;
height = (rect_width * image.height()) / image.width();
}
}
return new WebImage(image, width, height, renderToUrl(image, width, height, crop), crop);
}
/**
* Render image into the specified width, preserving the aspect ratio.
*
* @param image
* @param width
* @param height
* @param crop
* @return
*/
public WebImage renderToWidth(MasterImage image, int render_width, int... crop) {
int height = (render_width * image.height()) / image.width();
return new WebImage(
image, render_width, height, renderToUrl(image, render_width, height, crop), crop);
}
/**
* All tiles except perhaps the right most have the same width. All tiles except perhaps the
* bottom most have the same height.
*
* @param master
* @param tiled_width
* @param tiled_height
* @return
*/
public WebImage[][] tile(MasterImage master, int tiled_width, int tiled_height) {
int rows = tiled_height / tileSize();
if ((tiled_height % tileSize()) != 0) {
rows++;
}
int cols = tiled_width / tileSize();
if ((tiled_width % tileSize()) != 0) {
cols++;
}
WebImage[][] tiles = new WebImage[rows][cols];
int master_tile_size = (master.width() * tileSize()) / tiled_width;
// Window.alert("master tile size " + master_tile_size);
// Window.alert("master dim " + master.width() + "," + master.height());
for (int row = 0, master_tile_top = 0; row < rows; row++, master_tile_top += master_tile_size) {
for (int col = 0, master_tile_left = 0;
col < cols;
col++, master_tile_left += master_tile_size) {
int tile_width, master_tile_right;
if (col == cols - 1) {
tile_width = tiled_width - (col * tileSize());
master_tile_right = master.width();
} else {
tile_width = tileSize();
master_tile_right = master_tile_left + master_tile_size;
}
int tile_height, master_tile_bottom;
if (row == rows - 1) {
tile_height = tiled_height - (row * tileSize());
master_tile_bottom = master.height();
} else {
tile_height = tileSize();
master_tile_bottom = master_tile_top + master_tile_size;
}
// Window.alert("tile dimensions " + tile_width + "x"
// + tile_height + " " + " master left,top,right,bottom "
// + master_tile_left + "," + master_tile_top + ","
// + master_tile_right + "," + master_tile_bottom);
// if (master_tile_right - master_tile_left < 0
// || master_tile_bottom - master_tile_top < 0) {
// Window.alert("error " + master.id()
// + " master left,top,right,bottom "
// + master_tile_left + "," + master_tile_top + ","
// + master_tile_right + "," + master_tile_bottom);
// }
WebImage tile =
render(
master,
tile_width,
tile_height,
master_tile_left,
master_tile_top,
master_tile_right,
master_tile_bottom);
tiles[row][col] = tile;
}
}
return tiles;
}
