void drawRect(u16 x, u16 y, u16 w, u16 h, u16 color) {
int row = y;
for(row = y; row < y+h; row++) /*iterate through all rows*/
{
DMA_MEMFILL3_SHRT(&(videoBuffer[OFFSET(row, x)]),&color,w);
}
}
void DMALine(int r, int c, int w, byte clr) {
#ifndef _DEBUG
volatile u16 color = clr << 8 | clr;
if(r >= 0 && r < SCREEN_HEIGHT) {
if(c < 0) {
w += c;
c = 0;
}
if((c+w) >= SCREEN_WIDTH) {
w -= SCREEN_WIDTH - (w + c);
}
if(w > 0 && c & 1) {
setPixel4(r, c++, clr);
w--;
}
if(w > 0 && w & 1)
setPixel4(r, (c+ (w--) -1), clr);
if(w > 0) {
DMA_MEMFILL3_SHRT(videoBuffer + OFFSET(r, c)/2,
&color,
w/2);
}
}
#else
fprintf(debug,"DMALine(%d, %d, %d, %d)\n",
r, c, w, clr);
#endif
}
void drawRectDMA(int row, int col,
int height, int width, u16 color ) {
#ifdef _DEBUG
fprintf(debug,"drawRectDMA(%d, %d, %d, %d, %X\n",
row, col, height, width, color);
#else
int r;
volatile u16 clr = color;
u16 *dest;
// init; test; increment
for(r = 0; r < height; ++r) {
dest = videobuffer + OFFSET(row+r, col);
// drawLine(row+r, col, width, color);
DMA_MEMFILL3_SHRT(dest, &clr, width);
}
#endif
}
void drawRectDMAMode4( int row, int col,
int height, int width, int index ) {
#ifdef _DEBUG
fprintf(debug,"drawRectDMAMode4(%d, %d, %d, %d, %d)\n",
row, col, height, width, index);
#else
int r;
volatile u16 it = index | (index << 8);
int offset;
// init; test; increment
for(r = 0; r < height; ++r) {
// DMA the correct line
offset = OFFSET(row + r, col)/2;
DMA_MEMFILL3_SHRT(videobuffer + offset,
&it, width/2);
}
#endif
}