diff options
Diffstat (limited to 'src/DataImage.cxx')
| -rw-r--r-- | src/DataImage.cxx | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/src/DataImage.cxx b/src/DataImage.cxx index 0775068..c230ed1 100644 --- a/src/DataImage.cxx +++ b/src/DataImage.cxx @@ -22,13 +22,14 @@ #include <stdlib.h> #include <stdio.h> #include <string.h> -#include <math.h> -#include "DataImage.H" - -DataImage::DataImage() { +#include <Fl/fl_draw.h> +#include "DataImage.H" +DataImage::DataImage(int X, int Y, int W, int H): Fl_Widget(X, Y, W, H) { + d = 3; + data = (uchar*) malloc(W * H * d); } DataImage::~DataImage() { @@ -38,10 +39,26 @@ 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; + + return 0; +} + + +void +DataImage::draw() { + fl_draw_image(data, 0, 0, w(), h(), d); } -static int -DataImage::get_pixel(Fl_RGB_Image *img, int x, int y, +int +DataImage::get_pixel(Fl_Image *img, int x, int y, char *r, char *g, char *b) { if ( img->d() == 0 ) { return 1; |