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allow for writeText to use a different texture background that the one we will be write on

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This commit is contained in:
Mylloon 2023-05-21 21:31:41 +02:00
parent 0bdb9a18fe
commit 6393d1d7f3
Signed by: Anri
GPG key ID: A82D63DFF8D1317F
4 changed files with 12 additions and 11 deletions
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2
includes/font.h
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@ -20,7 +20,7 @@ int initFont(TTF_Font **, char *, int);
* Renvoie 2 en cas de problème de surface avec la SDL * Renvoie 2 en cas de problème de surface avec la SDL
* *
* Renvoie 0 en cas de succès */ * Renvoie 0 en cas de succès */
int writeText(GLuint *, TTF_Font *, const char *, SDL_Color, GLboolean); int writeText(GLuint *, TTF_Font *, const char *, SDL_Color, GLuint *);
// Libère une police de la mémoire // Libère une police de la mémoire
void freeFont(TTF_Font *); void freeFont(TTF_Font *);

2
src/credits.c
View file

@ -54,7 +54,7 @@ static void init(void) {
"- Audio : beepbox\n" "- Audio : beepbox\n"
"- Talent : aucun\n" "- Talent : aucun\n"
"- Librairies : GL4D, SDL2 et extensions", "- Librairies : GL4D, SDL2 et extensions",
(SDL_Color){255, 255, 255, 255}, GL_FALSE)) { (SDL_Color){255, 255, 255, 255}, NULL)) {
exit(errStatus); exit(errStatus);
} }

13
src/font.c
View file

@ -15,7 +15,7 @@ int initFont(TTF_Font **font, char *filename, int size) {
} }
int writeText(GLuint *_textTexId, TTF_Font *font, const char *text, int writeText(GLuint *_textTexId, TTF_Font *font, const char *text,
SDL_Color color, GLboolean keep_previous) { SDL_Color color, GLuint *backgroundTextureId) {
SDL_Surface *d, *s; SDL_Surface *d, *s;
// Create text // Create text
if (!(d = TTF_RenderUTF8_Blended_Wrapped(font, text, color, 0))) { if (!(d = TTF_RenderUTF8_Blended_Wrapped(font, text, color, 0))) {
@ -32,10 +32,10 @@ int writeText(GLuint *_textTexId, TTF_Font *font, const char *text,
return 2; return 2;
} }
if (keep_previous) { if (backgroundTextureId) {
// On garde la texture déjà présente // On garde la texture déjà présente
assert(_textTexId); assert(*backgroundTextureId);
glBindTexture(GL_TEXTURE_2D, *_textTexId); glBindTexture(GL_TEXTURE_2D, *backgroundTextureId);
GLint w, h; GLint w, h;
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &w); glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &w);
@ -57,15 +57,16 @@ int writeText(GLuint *_textTexId, TTF_Font *font, const char *text,
SDL_BlitScaled(old, NULL, s, NULL); SDL_BlitScaled(old, NULL, s, NULL);
SDL_FreeSurface(old); SDL_FreeSurface(old);
} else { } else {
// Aucune texture existante, donc on la créée // Aucune texture existante, donc on la créée
glGenTextures(1, _textTexId); glGenTextures(1, _textTexId);
assert(_textTexId); assert(_textTexId);
glBindTexture(GL_TEXTURE_2D, *_textTexId); }
glBindTexture(GL_TEXTURE_2D, *_textTexId);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
}
// Copie le texte sur la surface finale // Copie le texte sur la surface finale
SDL_BlitSurface(d, NULL, s, NULL); SDL_BlitSurface(d, NULL, s, NULL);

2
src/tag.c
View file

@ -44,7 +44,7 @@ static void init(void) {
exit(3); exit(3);
} }
if (writeText(&_texId[1], font, "macron = loser", (SDL_Color){0, 0, 0, 255}, if (writeText(&_texId[1], font, "macron = loser", (SDL_Color){0, 0, 0, 255},
GL_TRUE)) { &_texId[0])) {
exit(3); exit(3);
} }
freeFont(font); freeFont(font);