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#include <stdio.h>

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Project manager module

Data:
03-Oct-2004

Autor:
Luiz F. Martha

Versão:
1.0
This header file contains declarations of global variables and public function specification and prototypes of the current project. This module manages the visualization of polygonal primitives of a model.
Project specification: see class notes of course CIV-2801 "Fundamentos de Computacao Grafica Aplicada", period 2004.2.
Revisions:

Report modifications here (including name and date).

void prjInit (void)

This function does everything is necessary to initialize the modeling and visualization part of this program.

void prjQuit (void)

This function does everything is necessary to close the modeling and visualization part of this program.

int prjChkEmptyModel (void)

This function verifies whether there is no active model in memory.

void prjResize (int width, int height)

This function sets the main canvas viewport according to given canvas sizes.

void prjRedisplay (void)

This function clears the main canvas and redisplays the current active model.

void prjInfo (void)

This function pops up a message dialog box with information about this program.

void prjHelp (void)

This function displays a help list of the possible program actions and their associated keys.

void prjNew (void)

This function resets the current database so that the user can start a new model.

int prjOpenModel (FILE *fd)

This function resets the current database, opens a new model data file, and creates the model data structure.

void prjSaveResults (FILE *fd)

This function writes the results of the current model in memory in a file.

void prjProcessInit (void)

This function reinitializes the iterative solution process of the current ative model.

int prjProcessGoThru (void)

This function goes through the entire iterative solution process of the current ative model.

int prjProcessStep (void)

This function processes the equilibrium of a node that has the maximum unbalanced moment in absolute value.

int prjProcessNode (double x, double y)

This function processes the equilibrium of a node that is close to the given point (x,y).

void prjLoadDisplay (int on_off)

This function sets the flag for displaying member loads.

void prjPrint (void)

This function sends the current image on the screen to the active printer.

void prjClipboard (void)

This function copies the current image on the screen to the clipboard (transfering area).

void prjFit (void)

This function adjusts the world coordinate limits of the visualization window to fit the entire model.

void prjZoomIn (void)

This function adjusts the world coordinate limits of the visualization window based on a zoom factor.

void prjZoomOut (void)

This function adjusts the world coordinate limits of the visualization window based on a zoom factor.

void prjPanLeft (void)

This function moves to the right the world coordinate limits of the visualization window based on a pan factor.

void prjPanRight (void)

This function moves to the left the world coordinate limits of the visualization window based on a pan factor.

void prjPanDown (void)

This function moves upwards the world coordinate limits of the visualization window based on a pan factor.

void prjPanUp (void)

This function moves downwards the world coordinate limits of the visualization window based on a pan factor.

void * Odatascreen

IUP handle to data canvas.

void * Gdatascreen

CD handle to data canvas.

Funções

int prjChkEmptyModel ( void )

This function verifies whether there is no active model in memory.

Retorna:
A true (1) status if there is no model active in memory or a false (0) status otherwise.

Definição na linha 188 do arquivo prj.c.
Referências crsGetNumMembers().
Referenciado por drvMouseBt() e drvRedisplay().

void prjClipboard ( void )

This function copies the current image on the screen to the clipboard (transfering area).
Only works in Windows environment.
Definição na linha 579 do arquivo prj.c.
Referências crsGetNumMembers(), dspModel() e Gdatascreen.
Referenciado por drvKeyCrtl().

void prjFit ( void )

This function adjusts the world coordinate limits of the visualization window to fit the entire model.
It gets the bounding box of the current model and increases the window sizes based on a fit factor, maintaining its current center.
Definição na linha 601 do arquivo prj.c.
Referências CRS_SUCCESS, crsGetGlobalBox(), dspWindow(), FIT_FACTOR, prjRedisplay(), win_xmax, win_xmin, win_ymax e win_ymin.
Referenciado por drvKeyCrtl().

void prjHelp ( void )

This function displays a help list of the possible program actions and their associated keys.

Definição na linha 244 do arquivo prj.c.
Referências dspWindow(), FIT_FACTOR, win_xmax, win_xmin, win_ymax e win_ymin.
Referenciado por drvKeyCrtl() e drvRedisplay().

void prjInfo ( void )

This function pops up a message dialog box with information about this program.

Definição na linha 234 do arquivo prj.c.
Referências trab_info.
Referenciado por drvKeyCrtl().

void prjInit ( void )

This function does everything is necessary to initialize the modeling and visualization part of this program.

Definição na linha 145 do arquivo prj.c.
Referências dspInit(), dspWindow(), Gdatascreen, Odatascreen, win_xmax, win_xmin, win_ymax e win_ymin.
Referenciado por main().

void prjLoadDisplay ( int on_off )

This function sets the flag for displaying member loads.
If the given on_off parameter is true (1), the member loads are displayed. If this parameter is false (0), no load is displayed.

Parâmetros:

on_off - flag for displaying member loads (in)

Definição na linha 554 do arquivo prj.c.
Referências dspLoadDisplay() e prjRedisplay().
Referenciado por drvKeyCrtl().

void prjNew ( void )

This function resets the current database so that the user can start a new model.

Definição na linha 317 do arquivo prj.c.
Referências crs_model, crsFreeModel(), dspWindow(), prjRedisplay(), prjResetWindow(), win_xmax, win_xmin, win_ymax e win_ymin.
Referenciado por drvKeyCrtl().

int prjOpenModel ( FILE * fd )

This function resets the current database, opens a new model data file, and creates the model data structure.
It also initializes the iterative solution. The new model is displayed on the main canvas.

Parâmetros:

fd - input file descritor (in)

Retorna:
If there is an error while reading the input file, the function returns a false (0) status. Otherwise, it returns a true (1) status.

Definição na linha 343 do arquivo prj.c.
Referências crs_model, CRS_SUCCESS, crsActivateModel(), crsCompleteModel(), crsFreeModel(), crsGetGlobalBox(), crsResetSolution(), dspWindow(), FIT_FACTOR, nfrCrsMembers(), nfrCrsModel(), nfrCrsNodes(), prjRedisplay(), prjResetWindow(), SOLUTION_TOL, win_xmax, win_xmin, win_ymax e win_ymin.
Referenciado por drvKeyCrtl().

void prjPanDown ( void )

This function moves upwards the world coordinate limits of the visualization window based on a pan factor.
The result is that the displayed model will appear shifted downwards in the canvas viewport.
Definição na linha 692 do arquivo prj.c.
Referências crsGetNumMembers(), dspPanWindow(), PAN_FACTOR, prjRedisplay(), win_xmax, win_xmin, win_ymax e win_ymin.
Referenciado por drvKeyCrtl().

void prjPanLeft ( void )

This function moves to the right the world coordinate limits of the visualization window based on a pan factor.
The result is that the displayed model will appear shifted to left in the canvas viewport.
Definição na linha 652 do arquivo prj.c.
Referências crsGetNumMembers(), dspPanWindow(), PAN_FACTOR, prjRedisplay(), win_xmax, win_xmin, win_ymax e win_ymin.
Referenciado por drvKeyCrtl().

void prjPanRight ( void )

This function moves to the left the world coordinate limits of the visualization window based on a pan factor.
The result is that the displayed model will appear shifted to right in the canvas viewport.
Definição na linha 672 do arquivo prj.c.
Referências crsGetNumMembers(), dspPanWindow(), PAN_FACTOR, prjRedisplay(), win_xmax, win_xmin, win_ymax e win_ymin.
Referenciado por drvKeyCrtl().

void prjPanUp ( void )

This function moves downwards the world coordinate limits of the visualization window based on a pan factor.
The result is that the displayed model will appear shifted upwards in the canvas viewport.
Definição na linha 712 do arquivo prj.c.
Referências crsGetNumMembers(), dspPanWindow(), PAN_FACTOR, prjRedisplay(), win_xmax, win_xmin, win_ymax e win_ymin.
Referenciado por drvKeyCrtl().

void prjPrint ( void )

This function sends the current image on the screen to the active printer.

Definição na linha 565 do arquivo prj.c.
Referências crsGetNumMembers(), dspModel() e Gdatascreen.
Referenciado por drvKeyCrtl().

int prjProcessGoThru ( void )

This function goes through the entire iterative solution process of the current ative model.
Nothing will happen if there is no model currently active or if all the nodes of the model are already balanced.

Retorna:
CRS_SUCCESS (1), CRS_NO_STEP_TO_GO (0), or CRS_NO_MODEL_DEFINED (-2).

Definição na linha 466 do arquivo prj.c.
Referências CRS_NO_MODEL_DEFINED, CRS_SUCCESS, crsGetNumMembers(), crsSolveModel() e prjRedisplay().
Referenciado por drvKeyCrtl().

void prjProcessInit ( void )

This function reinitializes the iterative solution process of the current ative model.
Nothing will happen if there is no model currently active.
Definição na linha 447 do arquivo prj.c.
Referências crsGetNumMembers(), crsResetSolution(), prjRedisplay() e SOLUTION_TOL.
Referenciado por drvKeyCrtl().

int prjProcessNode ( double x,

double y

)

This function processes the equilibrium of a node that is close to the given point (x,y).
Nothing will happen if there is no model currently active or there is no node close to the given point.

Parâmetros:

x - x coordinate of given point (in)

y - y coordinate of given point (in)

Retorna:
CRS_SUCCESS (1), CRS_NO_STEP_TO_GO (0), CRS_FAILURE (-1), CRS_NO_MODEL_DEFINED (-2), or CRS_FIXED_NODE (-3).

Definição na linha 518 do arquivo prj.c.
Referências CRS_FAILURE, CRS_NO_MODEL_DEFINED, CRS_SUCCESS, crsGetNumMembers(), crsPickNode(), crsProcessNode(), PICK_FACTOR, prjRedisplay(), win_xmax, win_xmin, win_ymax e win_ymin.
Referenciado por drvMouseBt().

int prjProcessStep ( void )

This function processes the equilibrium of a node that has the maximum unbalanced moment in absolute value.
Nothing will happen if there is no model currently active or if all the nodes of the model are already balanced.

Retorna:
CRS_SUCCESS (1), CRS_NO_STEP_TO_GO (0), or CRS_NO_MODEL_DEFINED (-2).

Definição na linha 490 do arquivo prj.c.
Referências CRS_NO_MODEL_DEFINED, CRS_SUCCESS, crsGetNumMembers(), crsStepSolution() e prjRedisplay().
Referenciado por drvKeyCrtl().

void prjQuit ( void )

This function does everything is necessary to close the modeling and visualization part of this program.

Definição na linha 172 do arquivo prj.c.
Referências crs_model, crsFreeModel() e Gdatascreen.
Referenciado por drvKeyCrtl().

void prjRedisplay ( void )

This function clears the main canvas and redisplays the current active model.

Definição na linha 223 do arquivo prj.c.
Referências dspModel().
Referenciado por drvRedisplay(), prjFit(), prjLoadDisplay(), prjNew(), prjOpenModel(), prjPanDown(), prjPanLeft(), prjPanRight(), prjPanUp(), prjProcessGoThru(), prjProcessInit(), prjProcessNode(), prjProcessStep(), prjZoomIn() e prjZoomOut().

void prjResize ( int width,

int height

)

This function sets the main canvas viewport according to given canvas sizes.

Parâmetros:

width - new canvas width in pixels (in)

height - new canvas height in pixels (in)

Definição na linha 204 do arquivo prj.c.
Referências dspWindow(), Gdatascreen, win_xmax, win_xmin, win_ymax e win_ymin.
Referenciado por drvResize().

void prjSaveResults ( FILE * fd )

This function writes the results of the current model in memory in a file.

Parâmetros:

fd - input file descritor (in)

Definição na linha 415 do arquivo prj.c.
Referências crsGetMemberMoments(), crsGetMemberNodes(), crsGetNodeCoords() e crsGetNumMembers().
Referenciado por drvKeyCrtl().

void prjZoomIn ( void )

This function adjusts the world coordinate limits of the visualization window based on a zoom factor.
It decreases the window sizes, maintaining its current center. The result is that the displayed model will appear bigger in the canvas viewport.
Definição na linha 619 do arquivo prj.c.
Referências crsGetNumMembers(), dspWindow(), prjRedisplay(), win_xmax, win_xmin, win_ymax, win_ymin e ZOOM_FACTOR.
Referenciado por drvKeyCrtl().

void prjZoomOut ( void )

This function adjusts the world coordinate limits of the visualization window based on a zoom factor.
It increases the window sizes, maintaining its current center. The result is that the displayed model will appear smaller in the canvas viewport.
Definição na linha 636 do arquivo prj.c.
Referências crsGetNumMembers(), dspWindow(), prjRedisplay(), win_xmax, win_xmin, win_ymax, win_ymin e ZOOM_FACTOR.
Referenciado por drvKeyCrtl().

Variáveis

void* Gdatascreen

CD handle to data canvas.

Definição na linha 87 do arquivo prj.h.
Referenciado por prjClipboard(), prjInit(), prjPrint(), prjQuit() e prjResize().

void* Odatascreen

IUP handle to data canvas.

Definição na linha 85 do arquivo prj.h.
Referenciado por drvKeyCrtl(), drvMouseBt(), main() e prjInit().

Gerado em Tue Oct 5 04:55:10 2004 para Trab3 por

1.3.4


Project manager module
Data: 03-Oct-2004 Autor: Luiz F. Martha Versão: 1.0 This header file contains declarations of global variables and public function specification and prototypes of the current project. This module manages the visualization of polygonal primitives of a model. Project specification: see class notes of course CIV-2801 "Fundamentos de Computacao Grafica Aplicada", period 2004.2. Revisions: Report modifications here (including name and date).
void	prjInit (void)
	This function does everything is necessary to initialize the modeling and visualization part of this program.
void	prjQuit (void)
	This function does everything is necessary to close the modeling and visualization part of this program.
int	prjChkEmptyModel (void)
	This function verifies whether there is no active model in memory.
void	prjResize (int width, int height)
	This function sets the main canvas viewport according to given canvas sizes.
void	prjRedisplay (void)
	This function clears the main canvas and redisplays the current active model.
void	prjInfo (void)
	This function pops up a message dialog box with information about this program.
void	prjHelp (void)
	This function displays a help list of the possible program actions and their associated keys.
void	prjNew (void)
	This function resets the current database so that the user can start a new model.
int	prjOpenModel (FILE *fd)
	This function resets the current database, opens a new model data file, and creates the model data structure.
void	prjSaveResults (FILE *fd)
	This function writes the results of the current model in memory in a file.
void	prjProcessInit (void)
	This function reinitializes the iterative solution process of the current ative model.
int	prjProcessGoThru (void)
	This function goes through the entire iterative solution process of the current ative model.
int	prjProcessStep (void)
	This function processes the equilibrium of a node that has the maximum unbalanced moment in absolute value.
int	prjProcessNode (double x, double y)
	This function processes the equilibrium of a node that is close to the given point (x,y).
void	prjLoadDisplay (int on_off)
	This function sets the flag for displaying member loads.
void	prjPrint (void)
	This function sends the current image on the screen to the active printer.
void	prjClipboard (void)
	This function copies the current image on the screen to the clipboard (transfering area).
void	prjFit (void)
	This function adjusts the world coordinate limits of the visualization window to fit the entire model.
void	prjZoomIn (void)
	This function adjusts the world coordinate limits of the visualization window based on a zoom factor.
void	prjZoomOut (void)
	This function adjusts the world coordinate limits of the visualization window based on a zoom factor.
void	prjPanLeft (void)
	This function moves to the right the world coordinate limits of the visualization window based on a pan factor.
void	prjPanRight (void)
	This function moves to the left the world coordinate limits of the visualization window based on a pan factor.
void	prjPanDown (void)
	This function moves upwards the world coordinate limits of the visualization window based on a pan factor.
void	prjPanUp (void)
	This function moves downwards the world coordinate limits of the visualization window based on a pan factor.
void *	Odatascreen
	IUP handle to data canvas.
void *	Gdatascreen
	CD handle to data canvas.