07e9741425
This push changes the binary and XML formats and bumps the major version to 2.0. As such, files saved in this version WILL NO LONGER WORK IN PREVIOUS VERSIONS. This compatibility breakage with older versions was required in order to properly provide project refactoring tools. If I were you, unless you are brave, I would wait a week or two before pulling, in case of bugs :) Summary of Changes -New Filesystem dock, with filesystem & tree view modes. -New refactoring tools, to change or fix dependencies. -Quick search dialog, to quickly search any file
260 lines
6.6 KiB
C++
260 lines
6.6 KiB
C++
/*************************************************************************/
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/* bit_mask.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "bit_mask.h"
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#include "io/image_loader.h"
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void BitMap::create(const Size2& p_size) {
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ERR_FAIL_COND(p_size.width<1);
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ERR_FAIL_COND(p_size.height<1);
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width=p_size.width;
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height=p_size.height;
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bitmask.resize(((width*height)/8)+1);
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zeromem(bitmask.ptr(),bitmask.size());
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}
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void BitMap::create_from_image_alpha(const Image& p_image){
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ERR_FAIL_COND(p_image.empty());
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Image img=p_image;
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img.convert(Image::FORMAT_INTENSITY);
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ERR_FAIL_COND(img.get_format()!=Image::FORMAT_INTENSITY);
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create(Size2(img.get_width(),img.get_height()));
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DVector<uint8_t>::Read r = img.get_data().read();
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uint8_t *w = bitmask.ptr();
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for(int i=0;i<width*height;i++) {
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int bbyte = i/8;
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int bbit = i % 8;
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if (r[i])
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w[bbyte]|=(1<<bbit);
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}
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}
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void BitMap::set_bit_rect(const Rect2& p_rect,bool p_value) {
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Rect2i current = Rect2i(0,0,width,height).clip(p_rect);
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uint8_t *data = bitmask.ptr();
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for(int i=current.pos.x;i<current.pos.x+current.size.x;i++) {
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for(int j=current.pos.y;j<current.pos.y+current.size.y;j++) {
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int ofs = width * j + i;
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int bbyte = ofs/8;
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int bbit = ofs % 8;
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uint8_t b = data[bbyte];
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if (p_value)
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b|=(1<<bbit);
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else
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b&=!(1<<bbit);
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data[bbyte]=b;
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}
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}
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}
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int BitMap::get_true_bit_count() const {
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int ds = bitmask.size();
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const uint8_t *d = bitmask.ptr();
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int c=0;
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//fast, almot branchless version
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for(int i=0;i<ds;i++) {
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c+=(d[i]&(1<<7))>>7;
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c+=(d[i]&(1<<6))>>6;
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c+=(d[i]&(1<<5))>>5;
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c+=(d[i]&(1<<4))>>4;
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c+=(d[i]&(1<<3))>>3;
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c+=(d[i]&(1<<2))>>2;
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c+=d[i]&1;
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}
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return c;
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}
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void BitMap::set_bit(const Point2& p_pos,bool p_value){
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int x=Math::fast_ftoi(p_pos.x);
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int y=Math::fast_ftoi(p_pos.y);
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ERR_FAIL_INDEX(x,width);
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ERR_FAIL_INDEX(y,height);
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int ofs = width * y + x;
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int bbyte = ofs/8;
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int bbit = ofs % 8;
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uint8_t b = bitmask[bbyte];
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if (p_value)
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b|=(1<<bbit);
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else
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b&=!(1<<bbit);
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bitmask[bbyte]=b;
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}
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bool BitMap::get_bit(const Point2& p_pos) const{
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int x=Math::fast_ftoi(p_pos.x);
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int y=Math::fast_ftoi(p_pos.y);
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ERR_FAIL_INDEX_V(x,width,false);
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ERR_FAIL_INDEX_V(y,height,false);
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int ofs = width * y + x;
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int bbyte = ofs/8;
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int bbit = ofs % 8;
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return (bitmask[bbyte]&(1<<bbit))!=0;
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}
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Size2 BitMap::get_size() const {
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return Size2(width,height);
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}
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void BitMap::_set_data(const Dictionary& p_d) {
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ERR_FAIL_COND(!p_d.has("size"));
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ERR_FAIL_COND(!p_d.has("data"));
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create(p_d["size"]);
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bitmask=p_d["data"];
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}
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Dictionary BitMap::_get_data() const{
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Dictionary d;
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d["size"]=get_size();
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d["data"]=bitmask;
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return d;
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}
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void BitMap::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("create","size"),&BitMap::create);
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ObjectTypeDB::bind_method(_MD("create_from_image_alpha","image"),&BitMap::create_from_image_alpha);
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ObjectTypeDB::bind_method(_MD("set_bit","pos","bit"),&BitMap::set_bit);
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ObjectTypeDB::bind_method(_MD("get_bit","pos"),&BitMap::get_bit);
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ObjectTypeDB::bind_method(_MD("set_bit_rect","p_rect","bit"),&BitMap::set_bit_rect);
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ObjectTypeDB::bind_method(_MD("get_true_bit_count"),&BitMap::get_true_bit_count);
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ObjectTypeDB::bind_method(_MD("get_size"),&BitMap::get_size);
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ObjectTypeDB::bind_method(_MD("_set_data"),&BitMap::_set_data);
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ObjectTypeDB::bind_method(_MD("_get_data"),&BitMap::_get_data);
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ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY,"data",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_data"),_SCS("_get_data"));
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}
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BitMap::BitMap() {
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width=0;
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height=0;
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}
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//////////////////////////////////////
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RES ResourceFormatLoaderBitMap::load(const String &p_path, const String& p_original_path, Error *r_error) {
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if (r_error)
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*r_error=ERR_FILE_CANT_OPEN;
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BitMap* ptr = memnew(BitMap);
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Ref<BitMap> bitmap( ptr );
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Image image;
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Error err = ImageLoader::load_image(p_path,&image);
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ERR_EXPLAIN("Failed loading image for BitMap: "+p_path);
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ERR_FAIL_COND_V(err, RES());
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bitmap->create_from_image_alpha(image);
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if (r_error)
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*r_error=OK;
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return bitmap;
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}
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bool ResourceFormatLoaderBitMap::handles_type(const String& p_type) const {
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return (p_type=="BitMap");
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}
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void ResourceFormatLoaderBitMap::get_recognized_extensions(List<String> *p_extensions) const {
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ImageLoader::get_recognized_extensions(p_extensions);
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}
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String ResourceFormatLoaderBitMap::get_resource_type(const String &p_path) const {
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List<String> extensions;
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ImageLoader::get_recognized_extensions(&extensions);
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String ext=p_path.extension().to_lower();
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for(List<String>::Element *E=extensions.front();E;E=E->next()) {
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if (E->get()==ext)
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return "BitMap";
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}
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return "";
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}
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ResourceFormatLoaderBitMap::ResourceFormatLoaderBitMap() {
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}
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