int main(int argc, char **argv){
if (argc != 4){
(void) fprintf(stdout,"Usage: %s palette input-file output-file\n",argv[0]);
exit(0);
}
read_palette(argv[1]);
print_palette();
char *description;
ExceptionType severity;
#define ThrowWandException(wand) \
{ \
description=MagickGetException(wand,&severity); \
(void) fprintf(stderr,"%s %s %lu %s\n",GetMagickModule(),description); \
description=(char *) MagickRelinquishMemory(description); \
exit(-1); \
}
MagickBooleanType status;
MagickPixelPacket pixel;
MagickWand *wand;
WandView *view;
/*
Read an image.
*/
MagickWandGenesis();
wand = NewMagickWand();
status = MagickReadImage(wand, argv[2]);
if (status == MagickFalse) ThrowWandException(wand);
/*
Sigmoidal non-linearity contrast control.
*/
view = NewWandView(wand);
if (view == (WandView *) NULL) ThrowWandException(wand);
status = UpdateWandViewIterator(view, recolor, (void *)NULL);
if (status == MagickFalse) ThrowWandException(wand);
view = DestroyWandView(view);
/*
Write the image then destroy it.
*/
status = MagickWriteImages(wand, argv[3], MagickTrue);
if (status == MagickFalse) ThrowWandException(wand);
wand = DestroyMagickWand(wand);
MagickWandTerminus();
return 0;
}
void get_cam_pic(struct camera *cam)
{
if(ioctl(cam->fd, VIDIOCGPICT, &cam->video_pic) == -1)
{
fprintf(stderr, "VIDIOCGPICT -- could not get picture info, exiting....\n");
exit(0);
}
#ifdef DEBUG_CAM
printf("\nVIDIOCGPICT:\n");
printf("bright = %d\n", cam->video_pic.brightness);
printf("hue = %d\n", cam->video_pic.hue);
printf("colour = %d\n", cam->video_pic.colour);
printf("contrast = %d\n", cam->video_pic.contrast);
printf("whiteness = %d\n", cam->video_pic.whiteness);
printf("colour depth = %d\n", cam->video_pic.depth);
print_palette(cam->video_pic.palette);
#endif
}
int main()
{
unsigned int row = 0;
unsigned int col = 0;
unsigned int delay = 0;
unsigned int color;
int i;
// Clear the screen first.
alt_putstr("Clear the screen\n");
for (col = 0; col < FRAME_WIDTH; col = col + 4) {
for (row = 0; row < FRAME_HEIGHT; ++row) {
color = 0;
IOWR_32DIRECT(SRAM_0_BASE, row * FRAME_WIDTH + col, color << 24 | color << 16 | color << 8 | color << 0);
}
}
// Print first 16 elements of current palette
print_palette(16);
// Switch to EGA colour palette
switch_palette(&palette_ega);
print_palette(16);
alt_putstr("Screen painting demo\n");
// Cycle through the colours of the EGA colour palette
for (i = 0; i < 16; i++) {
for (delay = 0; delay < 700/*2000*/; delay++) {
unsigned int tdelay = delay;
for (tdelay; tdelay > 0; tdelay--) {}
}
for (row=0; row<480; row++) {
for (col = 0; col < 640; col=col+4) {
color = i;
IOWR_32DIRECT(SRAM_0_BASE, row * 640 + col, color << 24 | color << 16 | color << 8 | color << 0);
}
}
}
alt_putstr("\nStarting Stephen Test Pattern\n");
int p;
for (p = 0; p < palette_count; p++)
{
switch_palette(palettes[p]);
alt_putstr("Clear the screen\n");
for (col = 0; col < FRAME_WIDTH; col = col + 4) {
for (row = 0; row < FRAME_HEIGHT; row++) {
color = 0;
IOWR_32DIRECT(SRAM_0_BASE, row * FRAME_WIDTH + col, color << 24 | color << 16 | color << 8 | color << 0);
}
}
//Now draw the test pattern
for (row = 0; row < 480; row++)
{
for (col = 0; col < 640; col = col + 4)
{
color = ((row + col) % 256) << 0 | ((row + col) % 256) << 8 | ((row + col) % 256) << 16 | ((row + col) % 256) << 24;
if (row == 0 || row == 479)
{
IOWR_32DIRECT(SRAM_0_BASE, row * 640 + col, 0xFFFFFFFF);
}
else if (col == 0)
{
IOWR_32DIRECT(SRAM_0_BASE, row * 640 + col, 0x000000FF | color);
}
else if (col == 636)
{
IOWR_32DIRECT(SRAM_0_BASE, row * 640 + col, 0xFF000000 | color);
}
else
{
IOWR_32DIRECT(SRAM_0_BASE, row * 640 + col, color);
}
}
}
}
alt_putstr("Done.\n");
return 0;
}
