diff options
Diffstat (limited to 'src/DataImage.cxx')
| -rw-r--r-- | src/DataImage.cxx | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/src/DataImage.cxx b/src/DataImage.cxx deleted file mode 100644 index 21aa226..0000000 --- a/src/DataImage.cxx +++ /dev/null @@ -1,198 +0,0 @@ -// -// DataImage routines. -// -// Copyright 2006 by Johannes Hofmann -// -// This library is free software; you can redistribute it and/or -// modify it under the terms of the GNU Library General Public -// License as published by the Free Software Foundation; either -// version 2 of the License, or (at your option) any later version. -// -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -// Library General Public License for more details. -// -// You should have received a copy of the GNU Library General Public -// License along with this library; if not, write to the Free Software -// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 -// USA. -// - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <math.h> -extern "C" { -#include <jpeglib.h> -#include <tiffio.h> -} - -#include <Fl/fl_draw.h> - -#include "DataImage.H" - -DataImage::DataImage(int X, int Y, int W, int H, int channels): Fl_Widget(X, Y, W, H) { - d = channels; - data = (uchar*) malloc(W * H * d); - memset(data, 0, W * H * d); -} - -DataImage::~DataImage() { - -} - - -int -DataImage::set_pixel(int x, int y, char r, char g, char b) { - if (x < 0 || x >= w() || y < 0 || y >= h()) { - return 1; - } - - long index = (y * w() * d + (x * d)); // X/Y -> buf index - *(data+index+0) = r; - *(data+index+1) = g; - *(data+index+2) = b; - if (d == 4) { - *(data+index+3) = 255; - } - - return 0; -} - - -void -DataImage::draw() { - fl_push_clip(x(), y(), w(), h()); - - fl_draw_image(data, x(), y(), w(), h(), d); - - fl_pop_clip(); -} - -int -DataImage::get_pixel_bilinear(Fl_Image *img, double x, double y, - char *r, char *g, char *b) { - - -} - -int -DataImage::get_pixel_nearest(Fl_Image *img, double x, double y, - char *r, char *g, char *b) { - if (isnan(x) || isnan(y)) { - return 1; - } else { - return get_pixel(img, (int) rint(x), (int) rint(y), r, g, b); - } -} - -int -DataImage::get_pixel(Fl_Image *img, int x, int y, - char *r, char *g, char *b) { - if ( img->d() == 0 ) { - return 1; - } - - if (x < 0 || x >=img->w() || y < 0 || y >= img->h()) { - return 1; - } - long index = (y * img->w() * img->d()) + (x * img->d()); // X/Y -> buf index - switch ( img->count() ) { - case 1: { // bitmap - const char *buf = img->data()[0]; - switch ( img->d() ) { - case 1: { // 8bit - *r = *g = *b = *(buf+index); - break; - } - case 3: // 24bit - *r = *(buf+index+0); - *g = *(buf+index+1); - *b = *(buf+index+2); - break; - default: // ?? - printf("Not supported: chans=%d\n", img->d()); - return 1; - } - break; - } - default: // ?? pixmap, bit vals - printf("Not supported: count=%d\n", img->count()); - exit(1); - } - - return 0; -} - - -int -DataImage::write_jpeg(const char *file, int quality) { - struct jpeg_compress_struct cinfo; - struct jpeg_error_mgr jerr; - FILE *outfile; - JSAMPROW row_pointer[1]; - int row_stride; - - cinfo.err = jpeg_std_error(&jerr); - jpeg_create_compress(&cinfo); - - if ((outfile = fopen(file, "wb")) == NULL) { - fprintf(stderr, "can't open %s\n", file); - return 1; - } - - jpeg_stdio_dest(&cinfo, outfile); - cinfo.image_width = w(); - cinfo.image_height = h(); - cinfo.input_components = 3; /* # of color components per pixel */ - cinfo.in_color_space = JCS_RGB; - - jpeg_set_defaults(&cinfo); - jpeg_set_quality(&cinfo, quality, TRUE); - - jpeg_start_compress(&cinfo, TRUE); - - row_stride = w() * d; /* JSAMPLEs per row in image_buffer */ - while (cinfo.next_scanline < cinfo.image_height) { - row_pointer[0] = & data[cinfo.next_scanline * row_stride]; - jpeg_write_scanlines(&cinfo, row_pointer, 1); - } - - jpeg_finish_compress(&cinfo); - fclose(outfile); - jpeg_destroy_compress(&cinfo); - - return 0; -} - -int -DataImage::write_tiff(const char *file) { - TIFF *output; - uint32 width, height; - char *raster; - - // Open the output image - if((output = TIFFOpen(file, "w")) == NULL){ - fprintf(stderr, "can't open %s\n", file); - return 1; - } - - // Write the tiff tags to the file - TIFFSetField(output, TIFFTAG_IMAGEWIDTH, w()); - TIFFSetField(output, TIFFTAG_IMAGELENGTH, h()); - TIFFSetField(output, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE); - TIFFSetField(output, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); - TIFFSetField(output, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB); - TIFFSetField(output, TIFFTAG_BITSPERSAMPLE, 8); - TIFFSetField(output, TIFFTAG_SAMPLESPERPIXEL, d); - - // Actually write the image - if(TIFFWriteEncodedStrip(output, 0, data, w() * h() * d) == 0){ - fprintf(stderr, "Could not write image\n"); - return 2; - } - - TIFFClose(output); - return 0; -} |