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DUPASQUIER YOANN p2301526
ProjetModuleImage12311569_12301526
Commits
8eb0c0d3
Commit
8eb0c0d3
authored
3 weeks ago
by
DUPASQUIER YOANN p2301526
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ImageViewer
parent
a7f73fd4
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2 changed files
src/ImageViewer.cpp
+70
-56
70 additions, 56 deletions
src/ImageViewer.cpp
src/ImageViewer.h
+24
-5
24 additions, 5 deletions
src/ImageViewer.h
with
94 additions
and
61 deletions
src/ImageViewer.cpp
+
70
−
56
View file @
8eb0c0d3
#include
<iostream>
#include
<SDL2/SDL.h>
#include
<SDL2/SDL_image.h>
#include
<SDL2/SDL_ttf.h>
#include
"Image.h"
#include
"Image.h"
#include
"ImageViewer.h"
#include
"ImageViewer.h"
#include
"SDL_surface.h"
#include
<iostream>
using
namespace
std
;
ImageViewer
::
ImageViewer
()
{
ImageViewer
::
ImageViewer
(){
// Initialiser SDL
cout
<<
"SDL: init"
<<
endl
;
if
(
SDL_Init
(
SDL_INIT_VIDEO
|
SDL_INIT_TIMER
)
!=
0
)
{
if
(
SDL_Init
(
SDL_INIT_VIDEO
)
<
0
)
return
-
1
;
{
cout
<<
"Erreur lors de l'initialisation de la SDL : "
<<
SDL_GetError
()
<<
endl
;
SDL_Quit
();
exit
(
1
);
}
}
// Configurer SDL pour OpenGL 3.2 avec un profil de base
cout
<<
"SDL_ttf: init"
<<
endl
;
SDL_GL_SetAttribute
(
SDL_GL_CONTEXT_FLAGS
,
SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG
);
if
(
TTF_Init
()
!=
0
)
SDL_GL_SetAttribute
(
SDL_GL_CONTEXT_PROFILE_MASK
,
SDL_GL_CONTEXT_PROFILE_CORE
);
{
SDL_GL_SetAttribute
(
SDL_GL_CONTEXT_MAJOR_VERSION
,
3
);
cout
<<
"Erreur lors de l'initialisation de la SDL_ttf : "
<<
TTF_GetError
()
<<
endl
;
SDL_GL_SetAttribute
(
SDL_GL_CONTEXT_MINOR_VERSION
,
2
);
SDL_Quit
();
exit
(
1
);
}
// Créer une fenêtre avec OpenGL
int
imgFlags
=
IMG_INIT_PNG
|
IMG_INIT_JPG
;
SDL_Window
*
window
=
SDL_CreateWindow
(
"ImGui SDL2+OpenGL3 Example"
,
SDL_WINDOWPOS_CENTERED
,
cout
<<
"SDL_image: init"
<<
endl
;
SDL_WINDOWPOS_CENTERED
,
200
,
200
,
SDL_WINDOW_OPENGL
|
SDL_WINDOW_RESIZABLE
);
if
(
!
(
IMG_Init
(
imgFlags
)
&
imgFlags
))
{
cout
<<
"SDL_m_image could not initialize! SDL_m_image Error: "
<<
IMG_GetError
()
<<
endl
;
SDL_Quit
();
exit
(
1
);
}
// Créer un contexte OpenGL
int
dimx
,
dimy
;
SDL_GLContext
gl_context
=
SDL_GL_CreateContext
(
window
);
dimx
=
200
;
dimy
=
200
;
// Creation de la fenetre
window
=
SDL_CreateWindow
(
"Image"
,
SDL_WINDOWPOS_CENTERED
,
SDL_WINDOWPOS_CENTERED
,
dimx
,
dimy
,
SDL_WINDOW_SHOWN
|
SDL_WINDOW_RESIZABLE
);
if
(
window
==
NULL
)
{
cout
<<
"Erreur lors de la creation de la fenetre : "
<<
SDL_GetError
()
<<
endl
;
SDL_Quit
();
exit
(
1
);
}
// Charger les extensions OpenGL avec ImGui
renderer
=
SDL_CreateRenderer
(
window
,
-
1
,
SDL_RENDERER_ACCELERATED
);
IMGUI_CHECKVERSION
();
}
ImGui
::
CreateContext
();
ImGuiIO
&
io
=
ImGui
::
GetIO
();
(
void
)
io
;
// Configurer les backends pour SDL et OpenGL
ImageViewer
::~
ImageViewer
(){
ImGui_ImplSDL2_InitForOpenGL
(
window
,
gl_context
);
TTF_Quit
();
ImGui_ImplOpenGL3_Init
(
"#version 150"
);
SDL_DestroyRenderer
(
renderer
);
SDL_DestroyWindow
(
window
);
SDL_Quit
();
}
}
void
ImageViewer
::
afficher
(
const
Image
&
im
){
SDL_SetRenderDrawColor
(
renderer
,
128
,
128
,
128
,
255
);
SDL_RenderClear
(
renderer
);
SDL_RenderPresent
(
renderer
);
ImageViewer
::~
ImageViewer
()
{
im
.
sauver
(
"./data/imageSDL.ppm"
);
// Nettoyage
surface
=
IMG_Load
(
"./data/imageSDL.ppm"
);
ImGui_ImplOpenGL3_Shutdown
();
if
(
surface
==
nullptr
)
{
ImGui_ImplSDL2_Shutdown
();
std
::
cerr
<<
"Erreur de chargement de l'image : "
<<
IMG_GetError
()
<<
std
::
endl
;
ImGui
::
DestroyContext
();
return
;
}
SDL_GL_DeleteContext
(
gl_context
);
SDL_Texture
*
texture
=
SDL_CreateTextureFromSurface
(
renderer
,
surface
);
SDL_DestroyWindow
(
window
);
SDL_FreeSurface
(
surface
);
SDL_Quit
();
if
(
texture
==
nullptr
)
{
std
::
cerr
<<
"Erreur de création de la texture : "
<<
SDL_GetError
()
<<
std
::
endl
;
SDL_FreeSurface
(
surface
);
return
;
}
SDL_SetRenderDrawColor
(
renderer
,
128
,
128
,
128
,
255
);
//SDL_RenderClear(renderer);
}
SDL_RenderCopy
(
renderer
,
texture
,
NULL
,
NULL
);
SDL_RenderPresent
(
renderer
);
ImageViewer
::
afficher
(
Image
im
)
{
// Boucle principale
bool
running
=
true
;
bool
running
=
true
;
SDL_Event
event
;
while
(
running
)
{
while
(
running
)
{
SDL_Event
event
;
while
(
SDL_PollEvent
(
&
event
))
{
while
(
SDL_PollEvent
(
&
event
))
{
ImGui_ImplSDL2_ProcessEvent
(
&
event
);
if
(
event
.
type
==
SDL_QUIT
)
{
if
(
event
.
type
==
SDL_QUIT
)
{
running
=
false
;
running
=
false
;
}
}
}
}
}
// Début du cadre ImGui
SDL_DestroyTexture
(
texture
);
ImGui_ImplOpenGL3_NewFrame
();
ImGui_ImplSDL2_NewFrame
(
window
);
ImGui
::
NewFrame
();
// Créez ici votre interface utilisateur ImGui
// Fin du cadre ImGui
ImGui
::
Render
();
glViewport
(
0
,
0
,
(
int
)
io
.
DisplaySize
.
x
,
(
int
)
io
.
DisplaySize
.
y
);
glClearColor
(
0.85
f
,
0.85
f
,
0.85
f
,
1.00
f
);
glClear
(
GL_COLOR_BUFFER_BIT
);
ImGui_ImplOpenGL3_RenderDrawData
(
ImGui
::
GetDrawData
());
SDL_GL_SwapWindow
(
window
);
}
}
This diff is collapsed.
Click to expand it.
src/ImageViewer.h
+
24
−
5
View file @
8eb0c0d3
...
@@ -2,18 +2,37 @@
...
@@ -2,18 +2,37 @@
#define _ImageViwer_H
#define _ImageViwer_H
#include
"Image.h"
#include
"Image.h"
/**
* @class Image
*
* @brief La classe ImageViewer permet de auver l’image dans un fichier « .ppm », puis charger l’image dans SDL2 avec IMG_Loa
*/
class
ImageViewer
{
class
ImageViewer
{
private:
private:
SDL_Window
*
window
;
SDL_Window
*
window
;
///< pointeur sur SDL_Window
SDL_Renderer
*
renderer
;
SDL_Renderer
*
renderer
;
///< pointeur sur SDL_Renderer
public:
public:
/**
unsigned
char
r
,
g
,
b
;
* @brief Constructeur qui initialise tout SDL2 et crée la fenêtre
*
* @return pas de valeur de retour
*/
ImageViewer
();
ImageViewer
();
/**
* @brief Destructeur qui détruit et ferme SDL2
*
* @return pas de valeur de retour
*/
~
ImageViewer
();
~
ImageViewer
();
/**
* @brief procédure qui affiche l’image passée en paramètre et permet le (dé)zoom
* @return pas de valeur de retour
*/
void
afficher
(
Image
im
);
void
afficher
(
Image
im
);
};
};
...
...
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