/**
* Display a sprite into score panel (from an 'image' structure)
* @param img Pointer to a image structure
* @param xcoord X-coordinate in the top panel
* @param ycoord Y-coordinate in the top panel
*/
void
draw_image_in_score (image * img, Uint32 xcoord, Uint32 ycoord)
{
Uint32 size;
char *source, *dest, *repeats;
source = img->img;
dest =
scores_offscreen + ycoord * score_offscreen_pitch +
xcoord * bytes_per_pixel;
repeats = img->compress;
size = img->nbr_data_comp >> 2;
switch (bytes_per_pixel)
{
case 1:
put_sprite_8 (source, dest, repeats, size);
break;
case 2:
put_sprite_16 (source, dest, repeats, size);
break;
case 3:
put_sprite_24 (source, dest, repeats, size);
break;
case 4:
put_sprite_32 (source, dest, repeats, size);
break;
}
}
/**
* Display sprite into options panel (from an 'bitmap' structure)
* @param bmp Pointer to a 'bitmap' structure
* @param xcoord X-coordinate in the option panel offscreen
* @param ycoord Y-coordinate in the option panel offscreen
*/
void
draw_bitmap_in_options (bitmap * bmp, Uint32 xcoord, Uint32 ycoord)
{
Uint32 size;
char *source, *dest, *repeats;
source = bmp->img;
dest =
options_offscreen + (ycoord * OPTIONS_WIDTH + xcoord) * bytes_per_pixel;
repeats = bmp->compress;
size = bmp->nbr_data_comp >> 2;
switch (bytes_per_pixel)
{
case 1:
put_sprite_8 (source, dest, repeats, size);
break;
case 2:
put_sprite_16 (source, dest, repeats, size);
break;
case 3:
put_sprite_24 (source, dest, repeats, size);
break;
case 4:
put_sprite_32 (source, dest, repeats, size);
break;
}
}
/**
* Repeat the same image horizontally
* @param img Pointer to a image structure
* @param xcoord X-coordinate in the top panel
* @param ycoord Y-coordinate in the top panel
* @param repeat_count The number of repetitions
*/
void
draw_image_in_score_repeat (image * img, Uint32 xcoord, Uint32 ycoord,
Uint32 repeat_count)
{
Uint32 i, step, size;
char *source, *dest, *repeats;
source = img->img;
dest =
scores_offscreen + ycoord * score_offscreen_pitch +
xcoord * bytes_per_pixel;
repeats = img->compress;
size = img->nbr_data_comp >> 2;
step = 1 * pixel_size * bytes_per_pixel;
switch (bytes_per_pixel)
{
case 1:
for (i = 0; i < repeat_count; i++)
{
put_sprite_8 (source, dest, repeats, size);
dest += step;
}
break;
case 2:
for (i = 0; i < repeat_count; i++)
{
put_sprite_16 (source, dest, repeats, size);
dest += step;
}
break;
case 3:
for (i = 0; i < repeat_count; i++)
{
put_sprite_24 (source, dest, repeats, size);
dest += step;
}
break;
case 4:
for (i = 0; i < repeat_count; i++)
{
put_sprite_32 (source, dest, repeats, size);
dest += step;
}
break;
}
}
// do the whole preview table and stuff :)
void do_preview(u_char* buf) {
int asc, x, y, addr;
u_char st;
set_color(15, 4, 4);
set_sprite_8(0, square);
fill(MODE2_ATTR, 0xF0, MODE2_MAX);
// start blitting buffer at pixel (16,16)
addr = map_block(16, 16);
// 16 chars of width (*8), 16 "lines", jump 256 in VRAM for each line
blit_ram_vram(buf, addr, 16 * 8, 16, 16 * 8, 256);
// fill yellow background
blit_fill_vram(MODE2_ATTR + map_block(8, 8), 0x1A, 8 * 18, 18, 256);
x = 0; y = 0;
// preview loop
while (!get_trigger(0)) {
// move the cursor and set the zooming
st = st_dir[get_stick(0)];
x += (st & st_right) ? 1 : ((st & st_left) ? -1 : 0);
y += (st & st_down) ? 1 : ((st & st_up) ? -1 : 0);
x &= 15;
y &= 15;
asc = (y << 4) + x;
put_sprite_8(0, (x + 2) << 3, (y + 2) << 3, 0, 9);
preview_char(buf + (asc << 3));
}
}
