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magicka/deps/odoors/historic/odtips3/TIP1.C

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2016-12-03 05:08:50 +00:00
/* Includes */
#include "opendoor.h"
/* Function prototypes. */
void DrawHorizontalBar(int nValue, int nMinValue, int nMaxValue,
int nMaxChars);
void DrawGraphOfPercentages(int nItems, int *panPercentages,
char **papszTitles, char bTitleColor, char bGraphColor,
int nTitleWidth, int nGraphWidth);
/* Main function - program execution begins here. */
main()
{
char *apszTitles[7] = {"Sunday", "Monday", "Tuesday", "Wednesday",
"Thursday", "Friday", "Saturday"};
int anValues[7] = {50, 75, 100, 25, 83, 0, 43};
od_printf("`bright green`Test graph:\n\r");
DrawGraphOfPercentages(7, anValues, apszTitles, 0x02, 0x0f, 20, 50);
od_get_key(TRUE);
return(0);
}
/* Function to draw horizontal graph of percentages with titles, to */
/* demonstrate the use of the DrawHorizontalBar() function. */
/* No titles should have more than nTitleWidth characters. */
void DrawGraphOfPercentages(int nItems, int *panPercentages,
char **papszTitles, char bTitleColor, char bGraphColor,
int nTitleWidth, int nGraphWidth)
{
int nCurrentItem;
/* Loop for each item (line) in the graph. */
for(nCurrentItem = 0; nCurrentItem < nItems; ++nCurrentItem)
{
/* Set display color for title text. */
od_set_attrib(bTitleColor);
/* Add spaces to right-align all titles. */
od_repeat(' ', nTitleWidth - strlen(papszTitles[nCurrentItem]));
/* Display the title. */
od_disp_str(papszTitles[nCurrentItem]);
/* Add space between title and graph. */
od_printf(" ");
/* Set display color for graph. */
od_set_attrib(bGraphColor);
/* Draw bar graph for this line. */
DrawHorizontalBar(panPercentages[nCurrentItem], 0, 100, nGraphWidth);
/* Move to the next line. */
od_printf("\n\r");
}
}
/* Function to draw a horizontal bar, given a value, the minimum and maximum */
/* possible values, and the number of characters the horizontal bar should */
/* extended for the maximum value. */
void DrawHorizontalBar(int nValue, int nMinValue, int nMaxValue,
int nMaxChars)
{
/* Determine lenght of bar */
int nBarChars = ((nValue - nMinValue) * nMaxChars) / nMaxValue;
if(od_control.user_ansi || od_control.user_avatar)
{
/* If ANSI or AVATAR graphics are available, assume that IBM extended */
/* ASCII is also available. This function uses character 220 to form */
/* bars that are 1/2 the height of the line. You might also want to */
/* try character 119, which will form bars that are the entire height */
/* of the line. */
od_repeat(220, nBarChars);
}
else
{
/* In ASCII mode, the bar is formed by the '=' character. */
od_repeat('=', nBarChars);
}
}