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write.cpp
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write.cpp
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void jpeg_out() {
int x,y;
int xp;
int p=0;
int i,j;
int m;
int mincount;
int* maskcount=(int*)malloc(g_numimages*sizeof(int));
int* masklimit=(int*)malloc(g_numimages*sizeof(int));
int* mask=(int*)malloc(g_numimages*sizeof(int));
struct jpeg_compress_struct cinfo;
struct jpeg_error_mgr jerr;
JSAMPROW row=(JSAMPROW)malloc(g_workwidth*3);
uint32 temp;
cinfo.err = jpeg_std_error(&jerr);
jpeg_create_compress(&cinfo);
jpeg_stdio_dest(&cinfo,g_jpeg);
cinfo.image_width=g_workwidth;
cinfo.image_height=g_workheight;
cinfo.input_components=3;
cinfo.in_color_space=JCS_RGB;
jpeg_set_defaults(&cinfo);
jpeg_set_quality(&cinfo,g_jpegquality,true);
jpeg_start_compress(&cinfo,true);
if (g_nomask) {
for (y=0; y<g_workheight; y++) {
xp=0;
for (x=0; x<g_workwidth; x++) {
((uint8*)row)[xp++]=((uint8*)g_out_channels[0])[p];
((uint8*)row)[xp++]=((uint8*)g_out_channels[1])[p];
((uint8*)row)[xp++]=((uint8*)g_out_channels[2])[p];
p++;
}
jpeg_write_scanlines(&cinfo,&row,1);
}
} else {
for (y=0; y<g_workheight; y++) {
for (i=0; i<g_numimages; i++) {
mask[i]=MASKOFF;
if (y>=g_images[i].ypos && y<g_images[i].ypos+g_images[i].height) {
maskcount[i]=g_images[i].xpos;
masklimit[i]=g_images[i].xpos+g_images[i].width;
g_images[i].binary_mask.pointer=&g_images[i].binary_mask.data[g_images[i].binary_mask.rows[y-g_images[i].ypos]];
} else {
maskcount[i]=g_workwidth;
masklimit[i]=g_workwidth;
}
}
x=0;
xp=0;
while (x<g_workwidth) {
m=MASKOFF;
mincount=g_workwidth-x;
for (i=0; i<g_numimages; i++) {
if (maskcount[i]==0) {
if (x<masklimit[i]) {
NEXTiMASK(i);
} else {
mask[i]=MASKOFF;
maskcount[i]=mincount;
}
}
if (maskcount[i]<mincount) mincount=maskcount[i];
if (mask[i]!=MASKOFF) m=MASKON;
}
if (m==MASKON) {
for (j=0; j<mincount; j++) {
((uint8*)row)[xp++]=((uint8*)g_out_channels[0])[p];
((uint8*)row)[xp++]=((uint8*)g_out_channels[1])[p];
((uint8*)row)[xp++]=((uint8*)g_out_channels[2])[p];
p++;
}
} else {
memset(&((uint8*)row)[xp],0,mincount*3);
xp+=mincount*3;
p+=mincount;
}
for (i=0; i<g_numimages; i++) maskcount[i]-=mincount;
x+=mincount;
}
jpeg_write_scanlines(&cinfo,&row,1);
}
}
jpeg_finish_compress(&cinfo);
jpeg_destroy_compress(&cinfo);
fclose(g_jpeg);
}
void tiff_out() {
int i,j;
int m;
int mincount;
int* maskcount=(int*)malloc(g_numimages*sizeof(int));
int* masklimit=(int*)malloc(g_numimages*sizeof(int));
int* mask=(int*)malloc(g_numimages*sizeof(int));
int rowsperstrip=64;
int p=0;
int strips;
int remaining;
int strip_p;
int x,y=0,s;
int stripy;
int rows;
uint16 out[1];
uint32 temp;
int mul;
mul=3;
if (!g_nomask) mul=4;
if (g_workbpp==16) mul=mul<<1;
mul=mul*g_workwidth;
for (i=0; i<g_numimages; i++) g_images[i].binary_mask.pointer=g_images[i].binary_mask.data;
void* strip=malloc((rowsperstrip*g_workwidth)<<(g_workbpp>>2));
TIFFSetField(g_tiff, TIFFTAG_IMAGEWIDTH, g_workwidth);
TIFFSetField(g_tiff, TIFFTAG_IMAGELENGTH, g_workheight);
TIFFSetField(g_tiff, TIFFTAG_COMPRESSION, g_compression);
TIFFSetField(g_tiff, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
TIFFSetField(g_tiff, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
TIFFSetField(g_tiff, TIFFTAG_BITSPERSAMPLE, g_workbpp);
if (g_nomask) {
TIFFSetField(g_tiff, TIFFTAG_SAMPLESPERPIXEL, 3);
} else {
TIFFSetField(g_tiff, TIFFTAG_SAMPLESPERPIXEL, 4);
out[0] = EXTRASAMPLE_UNASSALPHA;
TIFFSetField(g_tiff, TIFFTAG_EXTRASAMPLES, 1, &out);
}
TIFFSetField(g_tiff, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
if (g_xres!=-1) { TIFFSetField(g_tiff, TIFFTAG_XRESOLUTION, g_xres); TIFFSetField(g_tiff, TIFFTAG_XPOSITION, (float)(g_min_left/g_xres)); }
if (g_yres!=-1) { TIFFSetField(g_tiff, TIFFTAG_YRESOLUTION, g_yres); TIFFSetField(g_tiff, TIFFTAG_YPOSITION, (float)(g_min_top/g_yres)); }
if (g_images[0].geotiff.set) {
// if we got a georeferenced input, store the geotags in the output
GeoTIFFInfo info(g_images[0].geotiff);
info.XGeoRef = g_min_left * g_images[0].geotiff.XCellRes;
info.YGeoRef = -g_min_top * g_images[0].geotiff.YCellRes;
output(1,"Output georef: UL: %f %f, pixel size: %f %f\n",info.XGeoRef, info.YGeoRef, info.XCellRes, info.YCellRes);
geotiff_write(g_tiff, &info);
}
strips=(int)((g_workheight+rowsperstrip-1)/rowsperstrip);
remaining=g_workheight;
for (s=0; s<strips; s++) {
rows=min(remaining,rowsperstrip);
strip_p=0;
for (stripy=0; stripy<rows; stripy++) {
if (g_nomask) {
if (g_workbpp==8) {
for (x=0; x<g_workwidth; x++) {
((uint8*)strip)[strip_p++]=((uint8*)g_out_channels[0])[p];
((uint8*)strip)[strip_p++]=((uint8*)g_out_channels[1])[p];
((uint8*)strip)[strip_p++]=((uint8*)g_out_channels[2])[p];
p++;
}
} else {
for (x=0; x<g_workwidth; x++) {
((uint16*)strip)[strip_p++]=((uint16*)g_out_channels[0])[p];
((uint16*)strip)[strip_p++]=((uint16*)g_out_channels[1])[p];
((uint16*)strip)[strip_p++]=((uint16*)g_out_channels[2])[p];
p++;
}
}
} else {
for (i=0; i<g_numimages; i++) {
mask[i]=MASKOFF;
if (y>=g_images[i].ypos && y<g_images[i].ypos+g_images[i].height) {
maskcount[i]=g_images[i].xpos;
masklimit[i]=g_images[i].xpos+g_images[i].width;
g_images[i].binary_mask.pointer=&g_images[i].binary_mask.data[g_images[i].binary_mask.rows[y-g_images[i].ypos]];
} else {
maskcount[i]=g_workwidth;
masklimit[i]=g_workwidth;
}
}
x=0;
while (x<g_workwidth) {
m=MASKOFF;
mincount=g_workwidth-x;
for (i=0; i<g_numimages; i++) {
if (maskcount[i]==0) {
if (x<masklimit[i]) {
NEXTiMASK(i);
} else {
mask[i]=MASKOFF;
maskcount[i]=mincount;
}
}
if (maskcount[i]<mincount) mincount=maskcount[i];
if (mask[i]!=MASKOFF) m=MASKON;
}
if (m==MASKON) {
if (g_workbpp==8) {
for (j=0; j<mincount; j++) {
((uint8*)strip)[strip_p++]=((uint8*)g_out_channels[0])[p];
((uint8*)strip)[strip_p++]=((uint8*)g_out_channels[1])[p];
((uint8*)strip)[strip_p++]=((uint8*)g_out_channels[2])[p];
((uint8*)strip)[strip_p++]=0xff;
p++;
}
} else {
for (j=0; j<mincount; j++) {
((uint16*)strip)[strip_p++]=((uint16*)g_out_channels[0])[p];
((uint16*)strip)[strip_p++]=((uint16*)g_out_channels[1])[p];
((uint16*)strip)[strip_p++]=((uint16*)g_out_channels[2])[p];
if (!g_nomask) ((uint16*)strip)[strip_p++]=0xffff;
p++;
}
}
} else {
if (g_workbpp==8) {
memset(&((uint8*)strip)[strip_p],0,mincount<<2);
} else {
memset(&((uint16*)strip)[strip_p],0,mincount<<3);
}
strip_p+=mincount<<2;
p+=mincount;
}
/*
if (m==MASKON || g_nomask) {
if (g_workbpp==8) {
for (j=0; j<mincount; j++) {
((uint8*)strip)[strip_p++]=((uint8**)g_out_channels)[0][p];
((uint8*)strip)[strip_p++]=((uint8**)g_out_channels)[1][p];
((uint8*)strip)[strip_p++]=((uint8**)g_out_channels)[2][p];
if (!g_nomask) ((uint8*)strip)[strip_p++]=0xff;
p++;
}
} else {
for (j=0; j<mincount; j++) {
((uint16*)strip)[strip_p++]=((uint16**)g_out_channels)[0][p];
((uint16*)strip)[strip_p++]=((uint16**)g_out_channels)[1][p];
((uint16*)strip)[strip_p++]=((uint16**)g_out_channels)[2][p];
if (!g_nomask) ((uint16*)strip)[strip_p++]=0xffff;
p++;
}
}
} else {
if (g_workbpp==8) {
if (g_nomask) blank=mincount*3; else blank=mincount<<2;
memset(&((uint8*)strip)[strip_p],0,blank);
strip_p+=mincount<<2;
} else {
if (g_nomask) blank=mincount*6; else blank=mincount<<3;
memset(&((uint16*)strip)[strip_p],0,blank);
strip_p+=mincount<<2;
}
p+=mincount;
}
*/
for (i=0; i<g_numimages; i++) maskcount[i]-=mincount;
x+=mincount;
}
}
y++;
}
TIFFWriteEncodedStrip(g_tiff,s,strip,rows*mul);
remaining-=rows;
}
TIFFClose(g_tiff);
}