static MagickBooleanType recolor(WandView *view, const ssize_t y, const int id, void *context){
RectangleInfo extent;
MagickPixelPacket pixel;
PixelWand **pixels;
register ssize_t x;
register float t;
extent = GetWandViewExtent(view);
pixels = GetWandViewPixels(view);
for (x = 0; x < (ssize_t) (extent.width - extent.x); x++){
PixelGetMagickColor(pixels[x], &pixel);
t = ScaleQuantumToChar(pixel.red);
pixel.red = get_color(t, 0);
pixel.green = get_color(t, 1);
pixel.blue = get_color(t, 2);
PixelSetMagickColor(pixels[x], &pixel);
}
return(MagickTrue);
}
xcolor_image_t *image_to_xterm(const char *path) {
struct winsize ws;
ioctl(0, TIOCGWINSZ, &ws);
MagickWand *wand;
MagickBooleanType status;
MagickPixelPacket pixel;
PixelIterator *iterator;
PixelWand **pixels;
MagickWandGenesis();
wand = NewMagickWand();
status = MagickReadImage(wand, path);
if(status == MagickFalse) {
exit(EXIT_FAILURE);
}
int **xterm_colors = NULL;
MagickResetIterator(wand);
size_t row_width = 0;
size_t im_height = 0;
size_t im_width = 0;
size_t width = 0;
size_t height = 0;
while(MagickNextImage(wand) != MagickFalse) {
// Get the actual width and height of the original image
im_height = MagickGetImageHeight(wand);
im_width = MagickGetImageWidth(wand);
// Calculate the new width and height of the image
width = min(im_width, (size_t) ws.ws_col);
height = ((im_height * width) / im_width) / 2;
MagickAdaptiveResizeImage(wand, width, height);
// iterate through all the pixels
iterator = NewPixelIterator(wand);
if((xterm_colors = calloc(height, sizeof(int *))) == NULL) {
perror("calloc");
exit(EXIT_FAILURE);
}
for(size_t y = 0; y < height; y++) {
pixels = PixelGetNextIteratorRow(iterator, &row_width);
if(pixels == (PixelWand **) NULL) {
break;
}
if((xterm_colors[y] = calloc(row_width, sizeof(int))) == NULL) {
perror("calloc");
exit(EXIT_FAILURE);
}
for(size_t x = 0; x < row_width; x++) {
PixelGetMagickColor(pixels[x], &pixel);
int xc = rgb_to_xterm((int)(pixel.red / 255) , (int)(pixel.green / 255), (int)(pixel.blue / 255));
xterm_colors[y][x] = xc;
}
}
iterator = DestroyPixelIterator(iterator);
break;
}
// We don't need imagemagick anymore, shut it down
wand = DestroyMagickWand(wand);
xcolor_image_t *xcolor_image;
if((xcolor_image = malloc(sizeof(xcolor_image_t))) == NULL) {
perror("malloc");
exit(EXIT_FAILURE);
}
xcolor_image->x = row_width;
xcolor_image->y = height;
xcolor_image->pixels = xterm_colors;
return xcolor_image;
}
int parseImage(void)
{
int x,y;
MagickBooleanType status;
MagickWand *magick_wand;
//PixelWand *color;
MagickPixelPacket pixel;
PixelWand **pixels;
MagickWandGenesis();
magick_wand=NewMagickWand();
status=MagickReadImage(magick_wand,"matti.png");
if (status == MagickFalse)
printf("ERROR\n");
size_t width=MagickGetImageWidth(magick_wand);
size_t height=MagickGetImageHeight(magick_wand);
printf("X:%d, Y:%d\n",width, height);
int image_width = MAX_WIDTH;
int image_height = MAX_HEIGHT;
if(width < MAX_WIDTH)
image_width=width;
if(height < MAX_HEIGHT)
image_height=height;
//
PixelIterator* iterator = NewPixelIterator(magick_wand);
//PixelWand **pixels = PixelGetNextIteratorRow(iterator,&number_wands);
for (y=0; y < image_height; y++)
// for (y=0; y < 1; y++)
{
pixels=PixelGetNextIteratorRow(iterator,&width);
for (x=0; x < image_width; x++)
{
PixelGetMagickColor(pixels[x],&pixel);
//printf("R/G/B %g/%g/%g\n",round(pixel.red),round(pixel.green),round(pixel.blue));
int real_y= image_height-y-1;
if (real_y < 0)
{
real_y = 0;
printf("ERRRORRR\n");
}
else
{
/*if (round(pixel.red)==0&&round(pixel.green)==0&&round(pixel.blue)==0)
image_in[x][real_y]=255;
if (round(pixel.red)<4095)
image_in[x][real_y]=255;*/
image_in[x][real_y] = 65535 - round(pixel.red);
}
}
PixelSyncIterator(iterator);
}
PixelSyncIterator(iterator);
iterator=DestroyPixelIterator(iterator);
ClearMagickWand(magick_wand);
printf("Parsed bitmap\n");
magick_wand=DestroyMagickWand(magick_wand);
MagickWandTerminus();
}
int main(int argc, char **argv) {
init_context();
int _;
if ((_ = parse_arguments(argc, argv))) {
return _;
}
FILE *infile;
FILE *outfile;
infile = fopen(context.infile, "r");
if (infile == NULL) {
fprintf(stderr, "No such file or directory: %s\n", context.infile);
return 1;
}
outfile = fopen(context.outfile, "wb");
if (outfile == NULL) {
fprintf(stderr, "Please provide an outfile. See `man kimg` for more details.");
return 1;
}
MagickWand *input;
MagickWandGenesis();
input = NewMagickWand();
MagickBooleanType mwstatus = MagickReadImageFile(input, infile);
if (mwstatus == MagickFalse) {
ExceptionType type;
fprintf(stderr, "Error reading image file: %s\n", context.infile);
fprintf(stderr, "ImageMagick says: %s\n", MagickGetException(input, &type));
return 1;
}
unsigned long height, width;
unsigned short bytewidth;
height = MagickGetImageHeight(input);
width = MagickGetImageWidth(input);
bytewidth = width / 8;
if (width % 8 != 0) {
bytewidth++;
}
if (!context.color) {
MagickSetImageType(input, GrayscaleType);
MagickSetImageColorspace(input, GRAYColorspace);
}
uint8_t _version = KIMG_VERSION;
uint8_t _format = 0; // TODO: format flags
uint16_t _height = (uint16_t)height;
uint16_t _width = (uint16_t)width;
if (!context.bare) {
fwrite("KIMG", 4, 1, outfile); // 0x00: Magic Header
fwrite(&_version, 1, 1, outfile); // 0x04: Format Version
fwrite(&_format, 1, 1, outfile); // 0x05: Format Flags
fwrite(&_height, 2, 1, outfile); // 0x06: Image Height
fwrite(&_width, 2, 1, outfile); // 0x08: Image Width
// 0x09: Palette/Image Data...
}
PixelIterator *iter;
PixelWand **row;
MagickPixelPacket pixel;
uint8_t mask, byte;
iter = NewPixelIterator(input);
unsigned long x, y;
for (y = 0; y < height; y++) {
mask = 0x80;
byte = 0;
row = PixelGetNextIteratorRow(iter, &width);
for (x = 0; x < width; x++) {
PixelGetMagickColor(row[x], &pixel);
if (context.color) {
// TODO: color support
} else {
if (pixel.red < 32767) {
byte |= mask;
}
}
mask >>= 1;
if (mask == 0) { // TODO: build in memory
fwrite(&byte, sizeof(uint8_t), 1, outfile);
mask = 0x80;
byte = 0;
}
}
if (mask != 0x80) {
fwrite(&byte, sizeof(uint8_t), 1, outfile);
}
}
iter = DestroyPixelIterator(iter);
input = DestroyMagickWand(input);
MagickWandTerminus();
fclose(outfile);
return 0;
}
void Resize(MagickWand *imagen, MagickWand *imagen2, int proporcion)
{
int ancho, largo, factor_conversion;
register ssize_t x;
size_t width, width2;
ssize_t y;
int ity, itx, index = 0;
MagickPixelPacket pixel, pixel2;
PixelIterator *iterator, *iterator2;
PixelWand **pixels, **pixels2;
PixelWand *bgw1 = NewPixelWand();
factor_conversion = abs(proporcion);
if(proporcion >= 0){
ancho = MagickGetImageWidth(imagen)*factor_conversion;
largo = MagickGetImageHeight(imagen)*factor_conversion;
}else{
ancho = (MagickGetImageWidth(imagen)/factor_conversion)+1;
largo = (MagickGetImageHeight(imagen)/factor_conversion)+1;
}
MagickNewImage(imagen2,ancho,largo,bgw1);
iterator = NewPixelIterator(imagen);
iterator2 = NewPixelIterator(imagen2);
if(proporcion >= 0){
//****************** ITERACION PIXEL POR PIXEL ***********************
for (y=0; y < (ssize_t) MagickGetImageHeight(imagen); y++)
{
pixels = PixelGetNextIteratorRow(iterator,&width);
if (pixels == (PixelWand **) NULL) break;
for(ity=0; ity < factor_conversion; ity++){
pixels2 = PixelGetNextIteratorRow(iterator2,&width2);
for (x=0; x < (ssize_t) width; x++)
{
PixelGetMagickColor(pixels[x],&pixel);
for(itx=0;itx<factor_conversion;itx++){
PixelGetMagickColor(pixels2[factor_conversion*x+itx],&pixel2);
pixel2.red = pixel.red;
pixel2.green = pixel.green;
pixel2.blue = pixel.blue;
PixelSetMagickColor(pixels2[factor_conversion*x+itx],&pixel2);
}
}
(void) PixelSyncIterator(iterator2);
}
(void) PixelSyncIterator(iterator);
}
//******************************************************************
}else{
//****************** ITERACION PIXEL POR PIXEL ***********************
for (y=0; y < (ssize_t) MagickGetImageHeight(imagen); y++)
{
pixels = PixelGetNextIteratorRow(iterator,&width);
if (pixels == (PixelWand **) NULL) break;
pixels2 = PixelGetNextIteratorRow(iterator2,&width2);
for (x=0; x < (ssize_t) width; x++)
{
if(x%factor_conversion == 0){
PixelGetMagickColor(pixels[x],&pixel);
PixelGetMagickColor(pixels2[index],&pixel2);
pixel2.red = pixel.red;
pixel2.green = pixel.green;
pixel2.blue = pixel.blue;
PixelSetMagickColor(pixels2[index],&pixel2);
index++;
}
}
index = 0;
for(ity=1;ity<factor_conversion;ity++){
pixels = PixelGetNextIteratorRow(iterator,&width);
}
(void) PixelSyncIterator(iterator2);
(void) PixelSyncIterator(iterator);
}
//******************************************************************
}
iterator = DestroyPixelIterator(iterator);
iterator = DestroyPixelIterator(iterator2);
}
int main(int argc, char **argv)
{
printf("Hello World\n");
#define QuantumScale ((MagickRealType) 1.0/(MagickRealType) QuantumRange)
#define SigmoidalContrast(x) (QuantumRange*(1.0/(1+exp(10.0*(0.5-QuantumScale*x)))-0.0066928509)*1.0092503)
#define ThrowWandException(wand)\
{\
char *description;\
ExceptionType\
severity;\
\
description=MagickGetException(wand,&severity);\
(void)fprintf(stderr,"%s %s %lu %s\n",GetMagickModule(),description);\
exit(-1);\
}
long y;
MagickBooleanType status;
MagickPixelPacket pixel;
MagickWand *contrast_wand, *image_wand;
PixelIterator *contrast_iterator,*iterator;
PixelWand **contrast_pixels, **pixels;
register long x;
unsigned long width;
if (argc != 3)
{
(void)fprintf(stdout,"Usage: %s image sigmoidal-image\n",argv[0]);
exit(0);
}
/*
Read an Image
*/
MagickWandGenesis();
image_wand = NewMagickWand();
status = MagickReadImage(image_wand,argv[1]);
if(status == MagickFalse)
ThrowWandException(image_wand);
contrast_wand = CloneMagickWand(image_wand);
/*
Sigmoidal non-linearity contrast control.
*/
iterator = NewPixelIterator(image_wand);
contrast_iterator=NewPixelIterator(contrast_wand);
if((iterator == (PixelIterator*)NULL) || (contrast_iterator == (PixelIterator*)NULL))
ThrowWandException(image_wand);
for(y=0; y<(long)MagickGetImageHeight(image_wand); y++)
{
pixels = PixelGetNextIteratorRow(iterator,&width);
contrast_pixels = PixelGetNextIteratorRow(contrast_iterator,&width);
if((pixels==(PixelWand**)NULL) || (contrast_pixels == (PixelWand**)NULL))
break;
for(x = 0; x<(long)width; x++)
{
PixelGetMagickColor(pixels[x],&pixel);
pixel.red = SigmoidalContrast(pixel.red);
pixel.green = SigmoidalContrast(pixel.green);
pixel.blue = SigmoidalContrast(pixel.blue);
pixel.index = SigmoidalContrast(pixel.index);
PixelSetMagickColor(contrast_pixels[x],&pixel);
}
(void)PixelSyncIterator(contrast_iterator);
}
if(y < (long)MagickGetImageHeight(image_wand))
ThrowWandException(image_wand);
contrast_iterator = DestroyPixelIterator(contrast_iterator);
iterator = DestroyPixelIterator(iterator);
image_wand=DestroyMagickWand(image_wand);
status = MagickWriteImages(contrast_wand,argv[2],MagickTrue);
if(status == MagickFalse)
ThrowWandException(image_wand);
contrast_wand = DestroyMagickWand(contrast_wand);
MagickWandTerminus();
return 0;
}