Skip to content

Commit

Permalink
first commit
Browse files Browse the repository at this point in the history
  • Loading branch information
@bitluni
bitluni committed Feb 21, 2018
1 parent c52fa7e commit b6a9bf6
Show file tree
Hide file tree
Showing 26 changed files with 3,831 additions and 5,088 deletions.
160 changes: 0 additions & 160 deletions CompositeVideo/AVOutput.h
View file

This file was deleted.

131 changes: 93 additions & 38 deletions CompositeVideo/AVGraphics.h → CompositeVideo/CompositeGraphics.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,48 +2,58 @@
#include "Font.h"
#include "TriangleTree.h"

class AVGraphics
class CompositeGraphics
{
public:
int width;
int height;
int xres;
int yres;
char **frame;
char **backbuffer;
char **zbuffer;
int cursorX, cursorY, cursorBaseX;
Font<AVGraphics> *font;
int frontColor, backColor;
Font<CompositeGraphics> *font;

TriangleTree<AVGraphics> *triangleBuffer;
TriangleTree<AVGraphics> *triangleRoot;
TriangleTree<CompositeGraphics> *triangleBuffer;
TriangleTree<CompositeGraphics> *triangleRoot;
int trinagleBufferSize;
int triangleCount;

AVGraphics(int w, int h, int initialTrinagleBufferSize = 0)
:width(w),
height(h)
CompositeGraphics(int w, int h, int initialTrinagleBufferSize = 0)
:xres(w),
yres(h)
{
font = 0;
cursorX = cursorY = cursorBaseX = 0;
trinagleBufferSize = initialTrinagleBufferSize;
triangleCount = 0;
frontColor = 50;
backColor = -1;
}

void setTextColor(int front, int back = -1)
{
//-1 = transparent back;
frontColor = front;
backColor = back;
}

void init()
{
frame = (char**)malloc(height * sizeof(char*));
backbuffer = (char**)malloc(height * sizeof(char*));
frame = (char**)malloc(yres * sizeof(char*));
backbuffer = (char**)malloc(yres * sizeof(char*));
//not enough memory for z-buffer implementation
//zbuffer = (char**)malloc(height * sizeof(char*));
for(int y = 0; y < height; y++)
//zbuffer = (char**)malloc(yres * sizeof(char*));
for(int y = 0; y < yres; y++)
{
frame[y] = (char*)malloc(width);
backbuffer[y] = (char*)malloc(width);
//zbuffer[y] = (char*)malloc(width);
frame[y] = (char*)malloc(xres);
backbuffer[y] = (char*)malloc(xres);
//zbuffer[y] = (char*)malloc(xres);
}
triangleBuffer = (TriangleTree<AVGraphics>*)malloc(sizeof(TriangleTree<AVGraphics>) * trinagleBufferSize);
triangleBuffer = (TriangleTree<CompositeGraphics>*)malloc(sizeof(TriangleTree<CompositeGraphics>) * trinagleBufferSize);
}

void setFont(Font<AVGraphics> &font)
void setFont(Font<CompositeGraphics> &font)
{
this->font = &font;
}
Expand All @@ -54,15 +64,15 @@ class AVGraphics
cursorY = y;
}

void print(char *str, char color)
void print(char *str)
{
if(!font) return;
while(*str)
{
if(*str >= 32 && *str < 128)
font->drawChar(*this, cursorX, cursorY, *str, color);
font->drawChar(*this, cursorX, cursorY, *str, frontColor, backColor);
cursorX += font->xres;
if(cursorX + font->xres > width || *str == '\n')
if(cursorX + font->xres > xres || *str == '\n')
{
cursorX = cursorBaseX;
cursorY += font->yres;
Expand All @@ -71,7 +81,7 @@ class AVGraphics
}
}

void print(int number, char color, int base = 10, int minCharacters = 1)
void print(int number, int base = 10, int minCharacters = 1)
{
bool sign = number < 0;
if(sign) number = -number;
Expand All @@ -88,15 +98,15 @@ class AVGraphics
temp[i--] = '-';
for(;i > 31 - minCharacters; i--)
temp[i] = ' ';
print(&temp[i + 1], color);
print(&temp[i + 1]);
}

inline void begin(bool clear = true, bool clearZ = true)
inline void begin(int clear = -1, bool clearZ = true)
{
if(clear)
for(int y = 0; y < height; y++)
for(int x = 0; x < width; x++)
backbuffer[y][x] = 0;
if(clear > -1)
for(int y = 0; y < yres; y++)
for(int x = 0; x < xres; x++)
backbuffer[y][x] = clear;
triangleCount = 0;
triangleRoot = 0;
}
Expand All @@ -108,10 +118,23 @@ class AVGraphics

inline void dot(int x, int y, char color)
{
if((unsigned int)x < width && (unsigned int)y < height)
if((unsigned int)x < xres && (unsigned int)y < yres)
backbuffer[y][x] = color;
}


inline void dotAdd(int x, int y, char color)
{
if((unsigned int)x < xres && (unsigned int)y < yres)
backbuffer[y][x] = min(54, color + backbuffer[y][x]);
}

inline char get(int x, int y)
{
if((unsigned int)x < xres && (unsigned int)y < yres)
return backbuffer[y][x];
return 0;
}

inline void xLine(int x0, int x1, int y, char color)
{
if(x0 > x1)
Expand All @@ -121,16 +144,15 @@ class AVGraphics
x1 = xb;
}
if(x0 < 0) x0 = 0;
if(x1 > width) x1 = width;
if(x1 > xres) x1 = xres;
for(int x = x0; x < x1; x++)
dotFast(x, y, color);
}

void enqueueTriangle(short *v0, short *v1, short *v2, char color)
{
//if(triangleCount > 1000) return;
//if(triangleCount >= )
TriangleTree<AVGraphics> &t = triangleBuffer[triangleCount++];
if(triangleCount >= trinagleBufferSize) return;
TriangleTree<CompositeGraphics> &t = triangleBuffer[triangleCount++];
t.set(v0, v1, v2, color);
if(triangleRoot)
triangleRoot->add(&triangleRoot, t);
Expand Down Expand Up @@ -167,14 +189,14 @@ class AVGraphics
if(v[2][1] != v[1][1])
xbci = ((v[2][0] - v[1][0]) << 16) / (v[2][1] - v[1][1]);

for(; y < v[1][1] && y < height; y++)
for(; y < v[1][1] && y < yres; y++)
{
if(y >= 0)
xLine(xab >> 16, xac >> 16, y, color);
xab += xabi;
xac += xaci;
}
for(; y < v[2][1] && y < height; y++)
for(; y < v[2][1] && y < yres; y++)
{
if(y >= 0)
xLine(xbc >> 16, xac >> 16, y, color);
Expand Down Expand Up @@ -268,13 +290,46 @@ class AVGraphics
}
}

inline void end()
inline void flush()
{
if(triangleRoot)
triangleRoot->draw(*this);
}

inline void end()
{
char **b = backbuffer;
backbuffer = frame;
frame = b;
frame = b;
}

void fillRect(int x, int y, int w, int h, int color)
{
if(x < 0)
{
w += x;
x = 0;
}
if(y < 0)
{
h += y;
y = 0;
}
if(x + w > xres)
w = xres - x;
if(y + h > yres)
h = yres - y;
for(int j = y; j < y + h; j++)
for(int i = x; i < x + w; i++)
dotFast(i, j, color);
}

void rect(int x, int y, int w, int h, int color)
{
fillRect(x, y, w, 1, color);
fillRect(x, y, 1, h, color);
fillRect(x, y + h - 1, w, 1, color);
fillRect(x + w - 1, y, 1, h, color);
}
};

Loading

0 comments on commit b6a9bf6

Please sign in to comment.