[libGD] #106 [Task opened] gdImageRectangle draws 1x1 rectangles as 1x3 rectangles

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A new Flyspray task has been opened.  Details are below.

User who did this - Nathan Bain (nebain)

Attached to Project - libGD
Summary - gdImageRectangle draws 1x1 rectangles as 1x3 rectangles
Task Type - Bug Report
Category - Drawing function
Status - Unconfirmed
Assigned To - 
Operating System - Linux
Severity - Medium
Priority - Normal
Reported Version - 2.0.35
Due in Version - Undecided
Due Date - Undecided
Details - My apologies if this is the same as bug 79.  I upgraded from 2.0.31 to 2.0.34, and then to 2.0.35 and noticed this bug in both .34 and .35.  The following code draws a rectangle from (25, 25) to (25, 25), and also sets the pixel at (30, 25).  In 2.0.31, the rectangle would draw a single pixel (equiv to setting pixel (25, 25)), but now I get a 3-pixel tall line.  I've attached an image showing the output of this program.

<code>
#include <stdio.h>
#include "gd.h"

int main(int argc, char **argv)
{
        gdImagePtr img = gdImageCreate(50, 50);
        int white = gdImageColorAllocate(img, 255, 255, 255);
        int black = gdImageColorAllocate(img, 0, 0, 0);
        gdImageRectangle(img, 25, 25, 25, 25, black);
        gdImageSetPixel(img, 30, 25, black);
        FILE *out = fopen("test.gif", "w");
        gdImageGif(img, out);
        fclose(out);
        return 0;
}
</code>

More information can be found at the following URL:
http://bugs.libgd.org/?do=details&task_id=106

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