// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
// //
-// Written by Francois Fleuret, (C) IDIAP //
+// Written by Francois Fleuret //
+// (C) Idiap Research Institute //
+// //
// Contact <francois.fleuret@idiap.ch> for comments & bug reports //
///////////////////////////////////////////////////////////////////////////
#include "rgb_image_subpixel.h"
-RGBImageSubpixel::RGBImageSubpixel(int width, int height) : RGBImage(width * _scale, height* _scale) { }
+RGBImageSubpixel::RGBImageSubpixel(int width, int height) : RGBImage(width * scale, height* scale) { }
-RGBImageSubpixel::RGBImageSubpixel(RGBImage *image) : RGBImage(image->width() * _scale, image->height() * _scale) {
+RGBImageSubpixel::RGBImageSubpixel(RGBImage *image) : RGBImage(image->width() * scale, image->height() * scale) {
for(int y = 0; y < _height; y++) {
for(int x = 0; x < _width; x++) {
set_pixel(x, y,
- image->pixel(x / _scale, y / _scale, RGBImage::RED),
- image->pixel(x / _scale, y / _scale, RGBImage::GREEN),
- image->pixel(x / _scale, y / _scale, RGBImage::BLUE));
+ image->pixel(x / scale, y / scale, RGBImage::RED),
+ image->pixel(x / scale, y / scale, RGBImage::GREEN),
+ image->pixel(x / scale, y / scale, RGBImage::BLUE));
}
}
}
RGBImageSubpixel::~RGBImageSubpixel() { }
-void RGBImageSubpixel::read_ppm(const char *filename) {
- abort();
-}
-
-void RGBImageSubpixel::write_ppm(const char *filename) {
- abort();
-}
-
-
void RGBImageSubpixel::read_png(const char *filename) {
abort();
}
void RGBImageSubpixel::write_png(const char *filename) {
- RGBImage tmp(_width / _scale, _height / _scale);
- for(int y = 0; y < _height / _scale; y++) {
- for(int x = 0; x < _width / _scale; x++) {
+ RGBImage tmp(_width / scale, _height / scale);
+ for(int y = 0; y < _height / scale; y++) {
+ for(int x = 0; x < _width / scale; x++) {
int sr = 0, sg = 0, sb = 0;
- for(int yy = y * _scale; yy < (y + 1) * _scale; yy++) {
- for(int xx = x * _scale; xx < (x + 1) * _scale; xx++) {
+ for(int yy = y * scale; yy < (y + 1) * scale; yy++) {
+ for(int xx = x * scale; xx < (x + 1) * scale; xx++) {
sr += int(_bit_plans[RED][yy][xx]);
sg += int(_bit_plans[GREEN][yy][xx]);
sb += int(_bit_plans[BLUE][yy][xx]);
}
tmp.set_pixel(x, y,
- sr / (_scale * _scale), sg / (_scale * _scale), sb / (_scale * _scale));
+ sr / (scale * scale), sg / (scale * scale), sb / (scale * scale));
}
}
tmp.write_png(filename);
}
void RGBImageSubpixel::write_jpg(const char *filename, int quality) {
- abort();
+ RGBImage tmp(_width / scale, _height / scale);
+
+ for(int y = 0; y < _height / scale; y++) {
+ for(int x = 0; x < _width / scale; x++) {
+ int sr = 0, sg = 0, sb = 0;
+ for(int yy = y * scale; yy < (y + 1) * scale; yy++) {
+ for(int xx = x * scale; xx < (x + 1) * scale; xx++) {
+ sr += int(_bit_plans[RED][yy][xx]);
+ sg += int(_bit_plans[GREEN][yy][xx]);
+ sb += int(_bit_plans[BLUE][yy][xx]);
+ }
+ }
+
+ tmp.set_pixel(x, y,
+ sr / (scale * scale), sg / (scale * scale), sb / (scale * scale));
+ }
+ }
+
+ tmp.write_jpg(filename, quality);
}
void RGBImageSubpixel::draw_line(int thickness,
unsigned char r, unsigned char g, unsigned char b,
scalar_t x0, scalar_t y0, scalar_t x1, scalar_t y1) {
- RGBImage::draw_line(int(thickness * _scale),
+ RGBImage::draw_line(int(thickness * scale),
r, g, b,
- x0 * _scale + _scale/2, y0 * _scale + _scale/2,
- x1 * _scale + _scale/2, y1 * _scale + _scale/2);
+ x0 * scale + scale/2, y0 * scale + scale/2,
+ x1 * scale + scale/2, y1 * scale + scale/2);
}