kolibrios/programs/cmm/lib/draw_buf.h
Kirill Lipatov (Leency) 99f3b47240 New Downloader: v0.5
git-svn-id: svn://kolibrios.org@4666 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-03-21 00:21:09 +00:00

95 lines
1.9 KiB
C

dword buf_data;
struct DrawBufer {
int bufx, bufy, bufw, bufh;
void Init();
void Show();
void Fill();
void Skew();
void DrawBar();
void PutPixel();
void AlignCenter();
void AlignRight();
};
void DrawBufer::Init(int i_bufx, i_bufy, i_bufw, i_bufh)
{
bufx = i_bufx;
bufy = i_bufy;
bufw = i_bufw;
bufh = i_bufh;
free(buf_data);
buf_data = malloc(bufw * bufh * 4 + 8); //+1 for good luck
ESDWORD[buf_data] = bufw;
ESDWORD[buf_data+4] = bufh;
}
void DrawBufer::Show()
{
PutPaletteImage(buf_data+8, bufw, bufh, bufx, bufy, 32,0);
}
void DrawBufer::Fill(dword fill_color)
{
int i;
int max_i = bufw * bufh * 4 + buf_data + 8;
for (i=buf_data+8; i<max_i; i+=4) ESDWORD[i] = fill_color;
}
void DrawBufer::DrawBar(dword x, y, w, h, color)
{
int i, j;
for (j=0; j<h; j++)
{
for (i = y+j*bufw+x*4+8+buf_data; i<y+j*bufw+x+w*4+8+buf_data; i+=4) ESDWORD[i] = color;
}
}
void DrawBufer::PutPixel(dword x, y, color)
{
int pos = y*bufw+x*4+8+buf_data;
ESDWORD[pos] = color;
}
char shift[]={8,8,4,4};
void DrawBufer::Skew(dword x, y, w, h)
{
int i, j;
for (j=0; j<=3; j++)
{
for (i = y+j*bufw+x+w+h*4; i>y+j*bufw+x+h-12*4 ; i-=4)
ESDWORD[buf_data+i+8] = ESDWORD[-shift[j]+buf_data+i+8];
}
}
void DrawBufer::AlignRight(dword x,y,w,h, content_width)
{
int i, j, l;
int content_left = w - content_width / 2;
for (j=0; j<h; j++)
{
for (i=j*w+w-x*4, l=j*w+content_width+x*4; (i>=j*w+content_left*4) && (l>=j*w*4); i-=4, l-=4)
{
ESDWORD[buf_data+8+i] >< ESDWORD[buf_data+8+l];
}
}
}
void DrawBufer::AlignCenter(dword x,y,w,h, content_width)
{
int i, j, l;
int content_left = w - content_width / 2;
for (j=0; j<h; j++)
{
for (i=j*w+content_width+content_left*4, l=j*w+content_width+x*4; (i>=j*w+content_left*4) && (l>=j*w*4); i-=4, l-=4)
{
ESDWORD[buf_data+8+i] >< ESDWORD[buf_data+8+l];
}
}
}