//void SimpleDrawTest(cdCanvas* canvas)
void SimpleDrawPoly(cdCanvas* canvas)
{
int w, h;
cdGetCanvasSize(&w, &h, 0, 0);
cdBackground(CD_WHITE);
cdClear();
//cdSetAttribute("ANTIALIAS", "0");
cdForeground(cdEncodeAlpha(cdEncodeColor(255, 0, 0), 100));
cdfCanvasArc(cdActiveCanvas(), 255, 255, 100, 100, 0, 360);
cdLine(0, 0, 200, 200);
cdBegin(CD_BEZIER);
cdVertex(100, 100);
cdVertex(150, 200);
cdVertex(180, 250);
cdVertex(180, 200);
cdVertex(180, 150);
cdVertex(150, 100);
cdVertex(300, 100);
cdEnd();
cdEnd();
}
static int drawcb(Ihandle *h, int lin, int col,int x1, int x2, int y1, int y2)
{
if (lin < 5 || lin > 12 || col < 2 || col > 8)
return IUP_IGNORE;
cdForeground(CD_RED);
cdLine(x1, y1, x2, y2);
cdLine(x1, y2, x2, y1);
{
char s[50];
sprintf(s, "%d:%d", lin, col);
cdTextAlignment(CD_CENTER);
cdText((x1+x2)/2, (y1+y2)/2, s);
}
return IUP_DEFAULT;
}
void draw(void)
{
cdMarkSize(5);
cdMarkType(CD_PLUS);
cdMark(10,90);
cdMarkType(CD_STAR);
cdMark(20,90);
cdMarkType(CD_CIRCLE);
cdMark(30,90);
cdMarkType(CD_X);
cdMark(40,90);
cdMarkType(CD_BOX);
cdMark(50,90);
cdMarkType(CD_DIAMOND);
cdMark(60,90);
cdMarkType(CD_HOLLOW_CIRCLE);
cdMark(70,90);
cdMarkType(CD_HOLLOW_BOX);
cdMark(80,90);
cdMarkType(CD_HOLLOW_DIAMOND);
cdMark(90,90);
cdLineStyle(CD_CONTINUOUS);
cdLine(10,80,80,80);
cdLineStyle(CD_DASHED);
cdLine(10,75,80,75);
cdLineStyle(CD_DOTTED);
cdLine(10,70,80,70);
cdLineStyle(CD_DASH_DOT);
cdLine(10,65,80,65);
cdLineStyle(CD_DASH_DOT_DOT);
cdLine(10,60,80,60);
cdLineStyle(CD_CONTINUOUS);
cdHatch(CD_HORIZONTAL);
cdBegin(CD_FILL);
cdVertex(10,50);
cdVertex(50,50);
cdVertex(50,10);
cdVertex(10,10);
cdEnd();
cdHatch(CD_VERTICAL);
cdBegin(CD_FILL);
cdVertex(60,50);
cdVertex(100,50);
cdVertex(100,10);
cdVertex(60,10);
cdEnd();
cdHatch(CD_FDIAGONAL);
cdBegin(CD_FILL);
cdVertex(110,50);
cdVertex(150,50);
cdVertex(150,10);
cdVertex(110,10);
cdEnd();
cdHatch(CD_BDIAGONAL);
cdBegin(CD_FILL);
cdVertex(160,50);
cdVertex(200,50);
cdVertex(200,10);
cdVertex(160,10);
cdEnd();
cdHatch(CD_CROSS);
cdBegin(CD_FILL);
cdVertex(210,50);
cdVertex(250,50);
cdVertex(250,10);
cdVertex(210,10);
cdEnd();
cdHatch(CD_DIAGCROSS);
cdBegin(CD_FILL);
cdVertex(260,50);
cdVertex(300,50);
cdVertex(300,10);
cdVertex(260,10);
cdEnd();
cdFont(CD_SYSTEM,CD_BOLD,CD_STANDARD);
cdText(10,100,'Teste');
cdFont(CD_COURIER,CD_BOLD,CD_STANDARD);
cdText(60,100,'Teste');
cdFont(CD_TIMES_ROMAN,CD_BOLD,CD_STANDARD);
cdText(110,100,'Teste');
cdFont(CD_HELVETICA,CD_BOLD,CD_STANDARD);
cdText(160,100,'Teste');
}
int main()
{
// you must create a pointer to the image(s) that you will be using
// not suprisingly, it is of type cdImagePtr
cdImagePtr im;
// this is a pointer to the output file you will be using
FILE *outf;
// these will be index's into the color palette containing
// the corresponding colors
int black, white, blue;
// Create an image 800 pixels wide by 400 pixels high
im = cdImageCreate( 800, 400 );
// allocate some colors (isn't this fun?)
// the first color allocated is the background color
white = cdImageColorAllocate( im, 255, 255, 255 );
black = cdImageColorAllocate( im, 0, 0, 0 );
blue = cdImageColorAllocate( im, 0, 0, 255 );
// set the text attributes
// font, colorindex, and size respectivily
// font is the style the text is written in. 1 is for Times,
// 5 is for Helvetica.
// we will have black text for this one
// Size is a tough one, but larger numbers give larger text.
//
if ( !( cdSetTextAttrib( im, 5, black, 20 ) ) )
return 1;
// Set some line attributes, lets make lines solid, width 1, and blue
//
if ( !( cdSetLineAttrib( im, 1, 1, blue ) ) )
return 1;
// Draw a couple of grid lines
if ( !( cdLine( im, 0, 200, 799, 200 ) ) )
return 1;
if ( !( cdLine( im, 200, 0, 200, 399 ) ) )
return 1;
if ( !( cdLine( im, 600, 0, 600, 399 ) ) )
return 1;
// Show Text going left, up, down, and right, all starting
// from the same point
// Text going to the left
if ( !( cdSetTextPath( im, 1 ) ) )
return 1;
if ( !( cdText( im, 200, 200, "Text Left" ) ) )
return 1;
// Text going UP
if ( !( cdSetTextPath( im, 2 ) ) )
return 1;
if ( !( cdText( im, 200, 200, "Text Up" ) ) )
return 1;
// Text going DOWN
if ( !( cdSetTextPath( im, 3 ) ) )
return 1;
if ( !( cdText( im, 200, 200, "Text Down" ) ) )
return 1;
// Text going to the RIGHT
if ( !( cdSetTextPath( im, 0 ) ) )
return 1;
if ( !( cdText( im, 200, 200, "Text Right" ) ) )
return 1;
// Show text going at an angle of 0, 45, 90, 135, 180 Degrees
//
// Text at no angle
if ( !( cdText( im, 600, 200, "CGM Draw" ) ) )
return 1;
// Text, 45 Degree Angle
if ( !( cdSetTextOrient( im, -1, 1, 1, 1 ) ) )
return 1;
if ( !( cdText( im, 600, 200, "CGM Draw" ) ) )
return 1;
// Text, 90 Degree Angle
if ( !( cdSetTextOrient( im, -1, 0, 0, 1 ) ) )
return 1;
if ( !( cdText( im, 600, 200, "CGM Draw" ) ) )
return 1;
// Text, 135 Degree Angle
if ( !( cdSetTextOrient( im, -1, -1, -1, 1 ) ) )
return 1;
if ( !( cdText( im, 600, 200, "CGM Draw" ) ) )
return 1;
// Text, 180 Degree Angle
if ( !( cdSetTextOrient( im, 0, -1, -1, 0 ) ) )
return 1;
if ( !( cdText( im, 600, 200, "CGM Draw" ) ) )
return 1;
// Skewed Text, No Angle
if ( !( cdSetTextOrient( im, 1, 1, 1, 0 ) ) )
{
return 1;
}
if ( !( cdSetTextAttrib( im, -1, -1, 40 ) ) )
{
return 1;
}
if ( !( cdText( im, 300, 300, "CGM Draw" ) ) )
{
return 1;
}
// show some lines around it
if ( !( cdLine( im, 300, 300, 500, 300 ) ) )
return 1;
if ( !( cdLine( im, 300, 300, 340, 340 ) ) )
return 1;
// reset the text to 0 angle
if ( !( cdSetTextOrient( im, 0, 1, 1, 0 ) ) )
return 1;
if ( !( cdSetTextAttrib( im, 5, -1, 20 ) ) )
return 1;
if ( !( cdText( im, 5, 5, "G. Edward Johnson" ) ) )
return 1;
// now write the file out, lets call it cdtext.cgm
outf = fopen( "cdtext.cgm", "wb" );
if ( !outf )
return 1;
cdImageCgm( im, outf );
fclose( outf );
outf = 0;
// Remember to destroy the image when you are done
cdImageDestroy( im );
im = 0;
printf( "CGM Text Example!!!\n" );
return 0;
}
