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The-Powder-Toy/src/gui/game/Brush.cpp
Tamás Bálint Misius 0179cefc78
Flatten include trees
2019-04-20 15:36:11 +02:00

127 lines
2.6 KiB
C++

#include "Brush.h"
#include "graphics/Renderer.h"
Brush::Brush(ui::Point size_):
outline(NULL),
bitmap(NULL),
size(0, 0),
radius(0, 0)
{
SetRadius(size_);
};
Brush::~Brush()
{
delete[] bitmap;
delete[] outline;
}
void Brush::updateOutline()
{
if(!bitmap)
GenerateBitmap();
if(!bitmap)
return;
delete[] outline;
outline = new unsigned char[size.X*size.Y];
for(int x = 0; x < size.X; x++)
{
for(int y = 0; y < size.Y; y++)
{
if(bitmap[y*size.X+x] && (!y || !x || x == size.X-1 || y == size.Y-1 || !bitmap[y*size.X+(x+1)] || !bitmap[y*size.X+(x-1)] || !bitmap[(y-1)*size.X+x] || !bitmap[(y+1)*size.X+x]))
{
outline[y*size.X+x] = 255;
}
else
outline[y*size.X+x] = 0;
}
}
}
void Brush::SetRadius(ui::Point radius)
{
this->radius = radius;
this->size = radius+radius+ui::Point(1, 1);
GenerateBitmap();
updateOutline();
}
void Brush::GenerateBitmap()
{
delete[] bitmap;
bitmap = new unsigned char[size.X*size.Y];
for(int x = 0; x < size.X; x++)
{
for(int y = 0; y < size.Y; y++)
{
bitmap[(y*size.X)+x] = 255;
}
}
}
unsigned char *Brush::GetBitmap()
{
if(!bitmap)
GenerateBitmap();
return bitmap;
}
unsigned char *Brush::GetOutline()
{
if(!outline)
updateOutline();
if(!outline)
return NULL;
return outline;
}
void Brush::RenderRect(Renderer * ren, ui::Point position1, ui::Point position2)
{
int width, height;
width = position2.X-position1.X;
height = position2.Y-position1.Y;
if(height<0)
{
position1.Y += height;
height *= -1;
}
if(width<0)
{
position1.X += width;
width *= -1;
}
ren->xor_line(position1.X, position1.Y, position1.X+width, position1.Y);
if(height>0){
ren->xor_line(position1.X, position1.Y+height, position1.X+width, position1.Y+height);
if(height>1){
ren->xor_line(position1.X+width, position1.Y+1, position1.X+width, position1.Y+height-1);
if(width>0)
ren->xor_line(position1.X, position1.Y+1, position1.X, position1.Y+height-1);
}
}
}
void Brush::RenderLine(Renderer * ren, ui::Point position1, ui::Point position2)
{
ren->xor_line(position1.X, position1.Y, position2.X, position2.Y);
}
void Brush::RenderPoint(Renderer * ren, ui::Point position)
{
if(!outline)
updateOutline();
if(!outline)
return;
ren->xor_bitmap(outline, position.X-radius.X, position.Y-radius.Y, size.X, size.Y);
}
void Brush::RenderFill(Renderer * ren, ui::Point position)
{
ren->xor_line(position.X-5, position.Y, position.X-1, position.Y);
ren->xor_line(position.X+5, position.Y, position.X+1, position.Y);
ren->xor_line(position.X, position.Y-5, position.X, position.Y-1);
ren->xor_line(position.X, position.Y+5, position.X, position.Y+1);
}