/* Grafx2 - The Ultimate 256-color bitmap paint program
Copyright 2007 Adrien Destugues
Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
Grafx2 is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2
of the License.
Grafx2 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Grafx2; if not, see or
write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include
#include
#include "const.h"
#include "struct.h"
#include "global.h"
#include "graph.h"
#include "moteur.h"
#include "windows.h"
//---------------------- Modifier le pinceau spécial -------------------------
void Modifier_pinceau(int width, int height)
{
int x_pos,y_pos;
int X,Y;
float Rayon2;
if (width<1) width=1;
if (height<1) height=1;
if (width>TAILLE_MAXI_PINCEAU) width=TAILLE_MAXI_PINCEAU;
if (height>TAILLE_MAXI_PINCEAU) height=TAILLE_MAXI_PINCEAU;
Pinceau_Largeur=width;
Pinceau_Hauteur=height;
Pinceau_Decalage_X=Pinceau_Largeur>>1;
Pinceau_Decalage_Y=Pinceau_Hauteur>>1;
switch (Pinceau_Forme)
{
case FORME_PINCEAU_ROND :
Rayon2=Pinceau_Decalage_X+0.414213562; // [0.410..0.415[
Rayon2*=Rayon2;
for (y_pos=0; y_pos>1;
for (y_pos=0; y_pos>1;
for (y_pos=0; y_pos>1;
for (y_pos=0; y_pos>1;
for (y_pos=0; y_pos>1;
for (y_pos=0; y_pos1)
|| (Pinceau_Hauteur>1) ) )
{
Effacer_curseur();
switch (Pinceau_Forme)
{
case FORME_PINCEAU_ROND:
case FORME_PINCEAU_ROND_TRAME:
case FORME_PINCEAU_X:
case FORME_PINCEAU_PLUS:
case FORME_PINCEAU_LOSANGE:
case FORME_PINCEAU_ALEATOIRE:
if (Pinceau_Largeur&1)
Modifier_pinceau(Pinceau_Largeur-2,Pinceau_Hauteur-2);
else
Modifier_pinceau(Pinceau_Largeur-1,Pinceau_Hauteur-1);
break;
case FORME_PINCEAU_CARRE:
case FORME_PINCEAU_SLASH:
case FORME_PINCEAU_ANTISLASH:
case FORME_PINCEAU_CARRE_TRAME:
Modifier_pinceau(Pinceau_Largeur-1,Pinceau_Hauteur-1);
break;
case FORME_PINCEAU_BARRE_HORIZONTALE:
Modifier_pinceau(Pinceau_Largeur-1,1);
break;
case FORME_PINCEAU_BARRE_VERTICALE:
Modifier_pinceau(1,Pinceau_Hauteur-1);
}
Afficher_pinceau_dans_menu();
Afficher_curseur();
}
}
void Grossir_pinceau(void)
{
if ( (Pinceau_FormePrincipal_Largeur_image)
Decalage_temporaire_X=Principal_Largeur_image-Largeur_ecran;
if (Decalage_temporaire_Y+Menu_Ordonnee>Principal_Hauteur_image)
Decalage_temporaire_Y=Principal_Hauteur_image-Menu_Ordonnee;
if (Decalage_temporaire_X<0)
Decalage_temporaire_X=0;
if (Decalage_temporaire_Y<0)
Decalage_temporaire_Y=0;
if ( (Principal_Decalage_X!=Decalage_temporaire_X) ||
(Principal_Decalage_Y!=Decalage_temporaire_Y) )
{
Effacer_curseur();
Principal_Decalage_X=Decalage_temporaire_X;
Principal_Decalage_Y=Decalage_temporaire_Y;
Calculer_limites();
Calculer_coordonnees_pinceau();
Afficher_ecran(); // <=> Display_screen + Afficher_limites_de_l_image
Afficher_curseur();
}
}
// ---------------------- Scroller la fenêtre de la loupe --------------------
void Scroller_loupe(short Decalage_en_X,short Decalage_en_Y)
{
short Decalage_temporaire_X;
short Decalage_temporaire_Y;
Decalage_temporaire_X=Loupe_Decalage_X+Decalage_en_X;
Decalage_temporaire_Y=Loupe_Decalage_Y+Decalage_en_Y;
if (Decalage_temporaire_X+Loupe_Largeur>Principal_Largeur_image)
Decalage_temporaire_X=Principal_Largeur_image-Loupe_Largeur;
if (Decalage_temporaire_Y+Loupe_Hauteur>Principal_Hauteur_image)
Decalage_temporaire_Y=Principal_Hauteur_image-Loupe_Hauteur;
if (Decalage_temporaire_X<0)
Decalage_temporaire_X=0;
if (Decalage_temporaire_Y<0)
Decalage_temporaire_Y=0;
if ( (Loupe_Decalage_X!=Decalage_temporaire_X) ||
(Loupe_Decalage_Y!=Decalage_temporaire_Y) )
{
Effacer_curseur();
Loupe_Decalage_X=Decalage_temporaire_X;
Loupe_Decalage_Y=Decalage_temporaire_Y;
Recadrer_ecran_par_rapport_au_zoom();
Calculer_limites();
Calculer_coordonnees_pinceau();
Afficher_ecran();
Afficher_curseur();
}
}
// -------------- Changer le Zoom (grâce aux touches [+] et [-]) -------------
void Zoom(short Sens)
{
short Indice;
for (Indice=0; FACTEUR_ZOOM[Indice]!=Loupe_Facteur; Indice++);
Indice+=Sens;
if ( (Indice>=0) && (Indice