Use the outline method to plot font boundaries, Computer Graphics

Assignment Help:

1. Use the outline method to plot the following font boundaries (style should remain the same). Implement your method in C language. 

 

124_Use the outline method to plot font boundaries.png

ANswer: Here letter G is produced using linear segments for outline method.  You may also use Bezier curves of higher degree to approximate the outline of the character. The outline will be drawn using the code given here. For filling the interior, you need to employ one of the fill area methods.   Vertices of the line segments are given as follows. 

GLint vt[][2]={{315,245}, { 315,195}, {316,190},{333,183},

{ 251,183}, {263,186}, { 270, 190},{272,195}, {272,225}, {

253, 238}, {242,236}, {235,229}, {231,219}, {227,198}, {

227,169}, { 228,152}, {233,133}, {242,124}, {248,120}, {

253,120}, {269,119}, { 273,121}, { 280,126}, {292,134}, {

299,141}, {305,149}, {312,162}, {312,111}, {307,110}, {307,

120}, {304, 130}, {301, 133}, {298, 131}, { 289, 125},

{279, 120}, {266, 113}, {251, 109}, {239, 110},{229,110},

{219,114}, {208,120}, {196,129}, {190,138}, {185,148},

{181, 158}, {180,172},{180,184}, {180,196}, {184, 203},

{189, 214}, {198, 226}, {211, 235}, {220,242}, {230,245},

{245,247}, {260, 247}, {271, 241}, {284, 236}, {293, 231},

{299, 231}, {306, 235}, {315,245}}; 

The code uses simple line loop to produce the character.   

void lineG(void)

{glBegin(GL_LINE_LOOP);

for(int i = 0;i<62;i++) {

 vt[i][1]=480-vt[i][1];

 glVertex2iv(vt[i]);}

 glEnd();

}  

Call the function lineG in your display function. Similar is the code for letter ' t'.


Related Discussions:- Use the outline method to plot font boundaries

Three dimensions, A triangle is having the vertices A(0,0) B(1,2) and C (5,...

A triangle is having the vertices A(0,0) B(1,2) and C (5,2).Magnify the triangle to thrice it''s size while keeping C(5,2) fixed

Common steps of designing the animation sequence, Common Steps of Designing...

Common Steps of Designing the Animation Sequence Common Steps of designing the animation sequence are as given: 1) Layout of Storyboard: Storyboard layout is the action ou

Number system, Perform the indicated base conversions 548 to base 5

Perform the indicated base conversions 548 to base 5

Graphic file compression formats, Graphic File Compression Formats Web...

Graphic File Compression Formats Web graphics are by requirement compressed due to the bandwidth issues surrounding networked delivery of information and since image files inc

Explain shannon -fano algorithm, (a) Differentiate between the following co...

(a) Differentiate between the following compression algorithm: 1. Shannon -Fano Algorithm and 2. Huffman Encoding (b) A statistical encoding algorithm is being considered

What is a blobby object, What is a Blobby object?  Some objects do not ...

What is a Blobby object?  Some objects do not handle a fixed shape, but change their surface characteristics in sure motions or when in proximity to other objects. That is call

What is aspect ratio, Define  Aspect ratio- Aspect ratio: The ratio ...

Define  Aspect ratio- Aspect ratio: The ratio of vertical points to horizontal points necessary to produce equal –length lines in both directions on the screen, is called as

Transformation, Explain window to view port transformation

Explain window to view port transformation

Limitations of cohen sutherland line clipping algorithm, Limitations of Coh...

Limitations of Cohen Sutherland line clipping Algorithm The algorithm is merely applicable to rectangular windows and not to the other convex shaped window. Consequently, a

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd