aboutsummaryrefslogtreecommitdiff
path: root/libraries/Sprite/Sprite.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libraries/Sprite/Sprite.cpp')
-rw-r--r--libraries/Sprite/Sprite.cpp95
1 files changed, 0 insertions, 95 deletions
diff --git a/libraries/Sprite/Sprite.cpp b/libraries/Sprite/Sprite.cpp
deleted file mode 100644
index 6055876..0000000
--- a/libraries/Sprite/Sprite.cpp
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- Sprite.cpp - 2D sprite buffer library for Arduino & Wiring
- Copyright (c) 2006 David A. Mellis. All right reserved.
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#include <stdlib.h>
-#include <stdarg.h>
-//#include <stdio.h>
-
-#include "Sprite.h"
-
-void Sprite::init(uint8_t width, uint8_t height)
-{
- _width = width >= 8 ? 8 : width;
- _height = height >= 8 ? 8 : height;
-
- // for now, do nothing if this allocation fails. methods that require it
- // should silently fail if _buffer is null.
- _buffer = (uint8_t *) calloc(_height, 1);
-}
-
-Sprite::Sprite(uint8_t width, uint8_t height)
-{
- init(width, height);
-}
-
-Sprite::Sprite(uint8_t width, uint8_t height, uint8_t row, ...)
-{
- init(width, height);
-
- if (!_buffer) return;
-
- va_list ap;
- va_start(ap, row);
-
- int y = 0;
-
- for (y = 0; ; y++) {
- for (int x = 0; x < width && x < 8; x++)
- write(x, y, (row >> (width - x - 1)) & 0x01);
-
- if (y == height - 1)
- break;
-
- row = va_arg(ap, int); // using '...' promotes uint8_t to int
- }
-
- va_end(ap);
-}
-
-uint8_t Sprite::width() const
-{
- return _width;
-}
-
-uint8_t Sprite::height() const
-{
- return _height;
-}
-
-void Sprite::write(uint8_t x, uint8_t y, uint8_t value)
-{
- if (!_buffer) return;
-
- // uint8_t's can't be negative, so don't test for negative x and y.
- if (x >= _width || y >= _height) return;
-
- // we need to bitwise-or the value of the other pixels in the byte with
- // the new value, masked and shifted into the proper bits.
- _buffer[y] = (_buffer[y] & ~(0x01 << x)) | ((value & 0x01) << x);
-}
-
-uint8_t Sprite::read(uint8_t x, uint8_t y) const
-{
- if (!_buffer) return 0;
-
- // uint8_t's can't be negative, so don't test for negative x and y.
- if (x >= _width || y >= _height) return 0;
-
- return (_buffer[y] >> x) & 0x01;
-}