From 7d900b4ede22215413e4a0ddd1675c650ba3225f Mon Sep 17 00:00:00 2001
From: Johannes Hofmann <Johannes.Hofmann@gmx.de>
Date: Sun, 25 Jun 2006 11:49:32 +0200
Subject: implement various helper methods

---
 src/DataImage.H      | 15 ++++++++++-----
 src/DataImage.cxx    | 29 +++++++++++++++++++++++------
 src/GipfelWidget.H   |  3 +++
 src/GipfelWidget.cxx | 17 +++++++++++++++++
 src/Panorama.H       |  2 ++
 src/Panorama.cxx     | 15 +++++++++++++++
 src/Stitch.H         |  5 +++--
 src/Stitch.cxx       | 30 ++++++++++++++++++++++++++----
 8 files changed, 99 insertions(+), 17 deletions(-)

diff --git a/src/DataImage.H b/src/DataImage.H
index 99910e5..fe6200d 100644
--- a/src/DataImage.H
+++ b/src/DataImage.H
@@ -20,20 +20,25 @@
 #ifndef DATAIMAGE_H
 #define DATAIMAGE_H
 
+#include <FL/Fl_Widget.H>
+#include <FL/Fl_Image.H>
 
-
-class DataImage : Fl_Widget {
+class DataImage : public Fl_Widget {
 	private:
+		int d;
+		uchar *data;
 		
 
 	public:
-		DataImage(int w, int h);
+		DataImage(int X, int Y, int W, int H);
 
 		~DataImage();
 		
-		int set_pixel(nt x, int y, char r, char g, char b);
+		int set_pixel(int x, int y, char r, char g, char b);
+
+		void draw();
 
-		static int get_pixel(Fl_RGB_Image *img, int x, int y,
+		static int get_pixel(Fl_Image *img, int x, int y,
 			char *r, char *g, char *b);
 };
 
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;
diff --git a/src/GipfelWidget.H b/src/GipfelWidget.H
index 1aebbea..563cd66 100644
--- a/src/GipfelWidget.H
+++ b/src/GipfelWidget.H
@@ -118,6 +118,9 @@ class GipfelWidget : public Fl_Widget {
 
   int update();
 
+  int get_pixel(double a_view, double a_nick,
+                    char *r, char *g, char *b);
+
   void draw();
 };
 #endif
diff --git a/src/GipfelWidget.cxx b/src/GipfelWidget.cxx
index 0c4ef08..c6a5990 100644
--- a/src/GipfelWidget.cxx
+++ b/src/GipfelWidget.cxx
@@ -40,6 +40,7 @@
 #include <FL/fl_draw.H>
 
 #include "Fl_Search_Chooser.H"
+#include "DataImage.H"
 #include "choose_hill.H"
 #include "util.h"
 #include "GipfelWidget.H"
@@ -714,6 +715,7 @@ GipfelWidget::set_track_width(double w) {
   redraw();
 }
 
+
 int
 GipfelWidget::handle(int event) {
   int mark_x, mark_y;
@@ -743,3 +745,18 @@ GipfelWidget::handle(int event) {
   }
   return 0;
 }
+
+int
+GipfelWidget::get_pixel(double a_view, double a_nick,
+                        char *r, char *g, char *b) {
+	int px, py;
+
+
+	if (img == NULL) {
+		return 1;
+	}
+
+	pan->get_coordinates(a_view, a_nick, &px, &py);
+	return DataImage::get_pixel(img, px, py, r, g, b);
+}
+
diff --git a/src/Panorama.H b/src/Panorama.H
index 32cefa6..740f164 100644
--- a/src/Panorama.H
+++ b/src/Panorama.H
@@ -144,5 +144,7 @@ class Panorama {
   Projection::Projection_t get_projection();
 
   void set_projection(Projection::Projection_t p);
+
+  int get_coordinates(double a_view, double a_nick, int *x, int *y);
 };
 #endif
diff --git a/src/Panorama.cxx b/src/Panorama.cxx
index c8cb1dc..55fb9b8 100644
--- a/src/Panorama.cxx
+++ b/src/Panorama.cxx
@@ -586,3 +586,18 @@ Panorama::get_real_distance(Hill *m) {
   return c;
 }
 
+int
+Panorama::get_coordinates(double a_view, double a_nick, int *x, int *y) {
+	Hill *m = new Hill(0,0);
+
+	m->a_view = a_view;
+	m->a_nick = a_nick;
+
+    proj->set_coordinates(m, &parms);
+
+	*x = m->x;
+	*y = m->y;
+
+	return 0;
+}
+
diff --git a/src/Stitch.H b/src/Stitch.H
index 86b8f8f..8c126f7 100644
--- a/src/Stitch.H
+++ b/src/Stitch.H
@@ -21,6 +21,7 @@
 #define STITCH_H
 
 #include "GipfelWidget.H"
+#include "DataImage.H"
 
 #define MAX_PICS 256
 
@@ -34,9 +35,9 @@ class Stitch {
 
 		~Stitch();
 		
-		int add_image(const char *file);
+		int load_image(char *file);
 		
-		int resample(Fl_RGB_Image *,
+		int resample(DataImage *img,
 			double view_start, double view_end,
 			double nick_start, double nick_end);
 };
diff --git a/src/Stitch.cxx b/src/Stitch.cxx
index 0cfa4b5..ca63ed3 100644
--- a/src/Stitch.cxx
+++ b/src/Stitch.cxx
@@ -27,17 +27,39 @@
 #include "Stitch.H"
 
 Stitch::Stitch() {
-
-
+	for (int i=0; i<MAX_PICS; i++) {
+		gipf[i] = NULL;
+	}
 }
 
 Stitch::~Stitch() {
+	for (int i=0; i<MAX_PICS; i++) {
+		if (gipf[i]) {
+			delete(gipf[i]);
+		} else {
+			break;
+		}
+	}
+}
 
 
-}
+int
+Stitch::load_image(char *file) {
+	for (int i=0; i<MAX_PICS; i++) {
+		if (gipf[i] == NULL) {
+			gipf[i] = new GipfelWidget(0, 0, 800, 600);
+			gipf[i]->load_image(file);
+			break;
+		}
+	}
+
 
+}
 
 int
-Stitch::resample(Fl_Stitch_Display *
+Stitch::resample(DataImage *img,
+            double view_start, double view_end,
+            double nick_start, double nick_end) {
+
 
 }
-- 
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