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final version.
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Marcelo Politzer Couto committed Sep 14, 2011
1 parent de6696b commit 329f398
Showing 1 changed file with 135 additions and 36 deletions.
171 changes: 135 additions & 36 deletions main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
* Last modification: Marcelo Gattass, 02ago2010,10h.
*
**/

/*- Include lib interfaces: ANSI C, IUP and OpenGL ------*/
#include <stdio.h>
#include <stdlib.h>
Expand All @@ -42,31 +43,52 @@
static Image* cur_img;
static Image* orig_img;
static Image* myeffect_img;
static Image* old_img;
static Image* sobel_img;
static Image* high_img;

static Image* grey_img;
static Image* gauss_img;
static Image* median_img;
static Image* reduce_img;
static Image* otsu_img;
static Image* ohbuchi_img;

static Ihandle* dialog;
static Ihandle *canvas; /* canvas handle */
static Ihandle *msgbar; /* message bar handle */
static int width=640,height=480; /* width and height of the canvas */

int param_action(Ihandle *_dialog, int param_index, void *user_data)
{
return IUP_DEFAULT; /* returns the control to the main loop */
}

#define ARRAY_SIZE(x) (sizeof(x)/sizeof(*x))
Image *do_highlight(Image *orig, Image *sobel, float threshold)
Image *do_highlight(Image *orig, Image *sobel)
{
int x,y;
float th = 0;
float ro,go,bo;
float rs,gs,bs;
Image *high;
high = imgCopy(orig);

if (!IupGetParam("set threshold", param_action, 0,
"threshold: %r\n", &th, NULL))
th = 0.1;

for(y=0; y<imgGetHeight(orig); y++){
for(x=0; x<imgGetWidth(orig); x++){
imgGetPixel3f(orig, x, y, &ro, &go, &bo);
imgGetPixel3f(sobel, x, y, &rs, &gs, &bs);

rs = ro - threshold*rs;
gs = go - threshold*gs;
bs = bo - threshold*bs;
rs = ro - th*rs;
gs = go - th*gs;
bs = bo - th*bs;
/* clipping img */
if (rs < 0) rs = 0; if (rs > 1) rs = 1;
if (gs < 0) gs = 0; if (gs > 1) rs = 1;
if (bs < 0) bs = 0; if (bs > 1) rs = 1;

imgSetPixel3f(high, x, y, rs, gs, bs);
}
}
Expand Down Expand Up @@ -111,13 +133,13 @@ Image *do_myeffect(Image *orig)
return high;
}

void update_dialog_size(Ihandle* dialog, Ihandle* canvas, int w, int h )
void update_dialog_size(Ihandle* _dialog, Ihandle* _canvas, int w, int h )
{
char buffer[64];
sprintf(buffer,"%dx%d",w,h);
IupSetAttribute(canvas, IUP_RASTERSIZE, buffer);
IupSetAttribute(dialog, IUP_RASTERSIZE, NULL);
IupShowXY(dialog, IUP_CENTER, IUP_CENTER);
IupSetAttribute(_canvas, IUP_RASTERSIZE, buffer);
IupSetAttribute(_dialog, IUP_RASTERSIZE, NULL);
IupShowXY(_dialog, IUP_CENTER, IUP_CENTER);
}

char * get_file_name( void )
Expand Down Expand Up @@ -212,13 +234,23 @@ int open_file_cb(void)
char *fname = get_file_name();
if (!fname) /*TODO show dialog de erro. */
printf ("invalid file name: %s\n", fname);
orig_img = imgReadBMP(fname);

sobel_img = cur_img = imgEdges(orig_img);
high_img = do_highlight(orig_img, sobel_img, 0.1);
cur_img = orig_img = imgReadBMP(fname);
update_dialog_size(dialog, canvas, imgGetWidth(orig_img), imgGetHeight(orig_img));

sobel_img = imgEdges(orig_img);
myeffect_img = do_myeffect(orig_img);
grey_img = imgGrey(orig_img);
gauss_img = imgCopy(orig_img);
imgGauss(gauss_img, orig_img);
median_img = imgCopy(orig_img);
imgMedian(median_img);
reduce_img = imgCopy(orig_img);
imgReduceColors(orig_img, reduce_img, 255);
otsu_img = imgBinOtsu(orig_img);
ohbuchi_img = imgBinOhbuchi(orig_img);
resize_cb(canvas, imgGetWidth(cur_img), imgGetHeight(cur_img));
repaint_cb(canvas); /* repaint with new values of blue */
repaint_cb(canvas);
return IUP_DEFAULT;
}

Expand All @@ -237,16 +269,16 @@ int show_orig_cb(Ihandle *ih, int state)
{
cur_img = orig_img;

printf ("%p\n", cur_img);
repaint_cb(canvas);
return IUP_DEFAULT;
}

int highlight_cb(Ihandle *ih, int state)
{
imgDestroy(high_img);
high_img = do_highlight(orig_img, sobel_img);
cur_img = high_img;

printf ("%p\n", cur_img);
repaint_cb(canvas);
return IUP_DEFAULT;
}
Expand All @@ -256,7 +288,6 @@ int sobel_cb(Ihandle *ih, int state)
{
cur_img = sobel_img;

printf ("%p\n", cur_img);
repaint_cb(canvas);
return IUP_DEFAULT;
}
Expand All @@ -265,17 +296,73 @@ int myeffect_cb(Ihandle *ih, int state)
{
cur_img = myeffect_img;

printf ("%p\n", cur_img);
repaint_cb(canvas);
return IUP_DEFAULT;
}


int grey_cb(Ihandle *ih, int state)
{
cur_img = grey_img;

repaint_cb(canvas);
return IUP_DEFAULT;
}

int gauss_cb(Ihandle *ih, int state)
{
cur_img = gauss_img;

repaint_cb(canvas);
return IUP_DEFAULT;
}

int median_cb(Ihandle *ih, int state)
{
cur_img = median_img;

repaint_cb(canvas);
return IUP_DEFAULT;
}

int reduce_cb(Ihandle *ih, int state)
{
int num;
imgDestroy(reduce_img);

if (!IupGetParam("set number of colors", param_action, 0,
"Number of colors: %i\n", &num, NULL))
num = 255;

reduce_img = imgCopy(orig_img);
imgReduceColors(orig_img, reduce_img, num);

cur_img = reduce_img;

repaint_cb(canvas);
return IUP_DEFAULT;
}

int otsu_cb(Ihandle *ih, int state)
{
cur_img = otsu_img;

repaint_cb(canvas);
return IUP_DEFAULT;
}

int ohbuchi_cb(Ihandle *ih, int state)
{
cur_img = ohbuchi_img;

repaint_cb(canvas);
return IUP_DEFAULT;
}

int motion_cb(Ihandle *self, int xm, int ym, char *status){
int x=xm;
int y=height-ym;
IupSetfAttribute(msgbar, "TITLE", "Motion: x = %d, y=%d - %s",x,y,
cur_img == sobel_img ? "old" : "cur");
IupSetfAttribute(msgbar, "TITLE", "Motion: x = %d, y=%d",x,y);
return IUP_DEFAULT;
}

Expand All @@ -292,7 +379,6 @@ int exit_cb(void)
{
printf("Function to free memory and do finalizations...\n");
imgDestroy(sobel_img);
imgDestroy(old_img);

sobel_img = cur_img = NULL;
return IUP_CLOSE;
Expand All @@ -308,12 +394,18 @@ Ihandle* InitToolbar(void)
Ihandle* toolbar;

/* Create four buttons */
Ihandle* hopen_file = IupButton("open", "open_file_action");
Ihandle* hsave_file = IupButton("save", "save_file_action");
Ihandle* hhighlight_img = IupButton("highlight", "highlight_img_action");
Ihandle* horig_img = IupButton("orig", "orig_img_action");
Ihandle* hsobel_img = IupButton("sobel", "sobel_img_action");
Ihandle* hmyeffect_img = IupButton("myeffect", "myeffect_img_action");
Ihandle* hopen_file = IupButton("Open", "open_file_action");
Ihandle* hsave_file = IupButton("Save", "save_file_action");
Ihandle* hhighlight_img = IupButton("Highlight", "highlight_img_action");
Ihandle* horig_img = IupButton("Original", "orig_img_action");
Ihandle* hsobel_img = IupButton("Sobel", "sobel_img_action");
Ihandle* hmyeffect_img = IupButton("Pixelize", "myeffect_img_action");
Ihandle* hgrey_img = IupButton("Grey", "grey_img_action");
Ihandle* hgauss_img = IupButton("Gauss", "gauss_img_action");
Ihandle* hmedian_img = IupButton("Median", "median_img_action");
Ihandle* hreduce_img = IupButton("Reduce", "reduce_img_action");
Ihandle* hotsu_img = IupButton("Otsu", "otsu_img_action");
Ihandle* hohbuchi_img = IupButton("Ohbuchi", "ohbuchi_img_action");

/* Associate images with this buttons */
IupSetAttribute(hopen_file,"IMAGE","IUP_FileOpen");
Expand All @@ -329,9 +421,17 @@ Ihandle* InitToolbar(void)
IupSetFunction("orig_img_action", (Icallback)show_orig_cb);
IupSetFunction("sobel_img_action", (Icallback)sobel_cb);
IupSetFunction("myeffect_img_action", (Icallback)myeffect_cb);

toolbar=IupHbox(hopen_file, hsave_file, hhighlight_img, horig_img,
hsobel_img, hmyeffect_img, IupFill(),NULL);
IupSetFunction("grey_img_action", (Icallback)grey_cb);
IupSetFunction("gauss_img_action", (Icallback)gauss_cb);
IupSetFunction("median_img_action", (Icallback)median_cb);
IupSetFunction("reduce_img_action", (Icallback)reduce_cb);
IupSetFunction("otsu_img_action", (Icallback)otsu_cb);
IupSetFunction("ohbuchi_img_action", (Icallback)ohbuchi_cb);

toolbar=IupHbox(hopen_file, hsave_file, horig_img, hhighlight_img,
hsobel_img, hmyeffect_img, hgrey_img, hgauss_img,
hmedian_img, hreduce_img, hotsu_img,
hohbuchi_img, IupFill(),NULL);

return toolbar;
}
Expand All @@ -357,28 +457,27 @@ Ihandle* InitCanvas(void)

Ihandle* InitDialog(void)
{
Ihandle* dialog; /* dialog containing the canvas */
Ihandle* _dialog; /* dialog containing the canvas */

Ihandle* toolbar=InitToolbar(); /* buttons tool bar */
canvas = InitCanvas(); /* canvas to paint with OpenGL */
msgbar = IupLabel("A msg bar"); /* a msg bar */
IupSetAttribute(msgbar,IUP_RASTERSIZE,"640x20"); /* define the size in pixels */

/* create the dialog and set its attributes */
dialog = IupDialog(IupVbox(toolbar,canvas,msgbar,NULL));
IupSetAttribute(dialog, "TITLE", "IUP_OpenGL");
IupSetAttribute(dialog, "CLOSE_CB", "exit_cb");
_dialog = IupDialog(IupVbox(toolbar,canvas,msgbar,NULL));
IupSetAttribute(_dialog, "TITLE", "T1 - Marcelo e Peter");
IupSetAttribute(_dialog, "CLOSE_CB", "exit_cb");
IupSetFunction("exit_cb", (Icallback) exit_cb);

return dialog;
return _dialog;
}

/*-----------------------*/
/* Main function. */
/*-----------------------*/
int main(int argc, char* argv[])
{
Ihandle* dialog;
IupOpen(&argc, &argv);
IupImageLibOpen();
IupGLCanvasOpen();
Expand Down

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