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indent rosette.c

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This commit is contained in:
Bill Kendrick 2017-10-15 11:49:41 -07:00
parent fea1b424ba
commit ac74e0ed51
1 changed files with 123 additions and 113 deletions
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236
magic/src/rosette.c
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@ -32,69 +32,64 @@
#include "tp_magic_api.h" #include "tp_magic_api.h"
#include "SDL_image.h" #include "SDL_image.h"
#include "SDL_mixer.h" #include "SDL_mixer.h"
#include <math.h> //for sin, cos, ... #include <math.h> //for sin, cos, ...
#define ROSETTE_R 8 //circle's diameter #define ROSETTE_R 8 //circle's diameter
static int xmid, ymid; static int xmid, ymid;
struct rosette_rgb struct rosette_rgb
{ {
Uint8 r, g, b; Uint8 r, g, b;
}; };
struct rosette_rgb rosette_colors; struct rosette_rgb rosette_colors;
Mix_Chunk * rosette_snd; Mix_Chunk *rosette_snd;
// Housekeeping functions // Housekeeping functions
Uint32 rosette_api_version(void); Uint32 rosette_api_version(void);
void rosette_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b); void rosette_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b);
int rosette_init(magic_api * api); int rosette_init(magic_api * api);
int rosette_get_tool_count(magic_api * api); int rosette_get_tool_count(magic_api * api);
SDL_Surface * rosette_get_icon(magic_api * api, int which); SDL_Surface *rosette_get_icon(magic_api * api, int which);
char * rosette_get_name(magic_api * api, int which); char *rosette_get_name(magic_api * api, int which);
char * rosette_get_description(magic_api * api, int which, int mode); char *rosette_get_description(magic_api * api, int which, int mode);
int rosette_requires_colors(magic_api * api, int which); int rosette_requires_colors(magic_api * api, int which);
void rosette_release(magic_api * api, int which, void rosette_release(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * snapshot, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect);
int x, int y, SDL_Rect * update_rect);
void rosette_shutdown(magic_api * api); void rosette_shutdown(magic_api * api);
void rosette_draw(void * ptr, int which, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y); void rosette_draw(void *ptr, int which, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y);
void rosette_drag(magic_api * api, int which, SDL_Surface * canvas, void rosette_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Rect * update_rect);
SDL_Rect * update_rect);
void rosette_click(magic_api * api, int which, int mode, void rosette_click(magic_api * api, int which, int mode,
SDL_Surface * canvas, SDL_Surface * last, SDL_Surface * canvas, SDL_Surface * last, int x, int y, SDL_Rect * update_rect);
int x, int y, SDL_Rect * update_rect);
void rosette_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas); void rosette_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas);
void rosette_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas); void rosette_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas);
int rosette_modes(magic_api * api, int which); int rosette_modes(magic_api * api, int which);
void rosette_circle(void * ptr, int which, void rosette_circle(void *ptr, int which, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y);
SDL_Surface * canvas, SDL_Surface * snapshot,
int x, int y);
Uint32 rosette_api_version(void) Uint32 rosette_api_version(void)
{ {
return(TP_MAGIC_API_VERSION); return (TP_MAGIC_API_VERSION);
} }
void rosette_set_color(magic_api * api ATTRIBUTE_UNUSED, Uint8 r, Uint8 g, Uint8 b) //get the colors from API and store it in structure void rosette_set_color(magic_api * api ATTRIBUTE_UNUSED, Uint8 r, Uint8 g, Uint8 b) //get the colors from API and store it in structure
{ {
rosette_colors.r=r; rosette_colors.r = r;
rosette_colors.g=g; rosette_colors.g = g;
rosette_colors.b=b; rosette_colors.b = b;
} }
int rosette_init(magic_api * api) int rosette_init(magic_api * api)
{ {
char fname[1024]; char fname[1024];
snprintf(fname, sizeof(fname), "%s/sounds/magic/picasso.ogg", api->data_directory);
rosette_snd = Mix_LoadWAV(fname);
return(1); snprintf(fname, sizeof(fname), "%s/sounds/magic/picasso.ogg", api->data_directory);
rosette_snd = Mix_LoadWAV(fname);
return (1);
} }
int rosette_get_tool_count(magic_api * api ATTRIBUTE_UNUSED) int rosette_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
@ -102,131 +97,146 @@ int rosette_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
return 2; return 2;
} }
SDL_Surface * rosette_get_icon(magic_api * api, int which) SDL_Surface *rosette_get_icon(magic_api * api, int which)
{ {
char fname[1024]; char fname[1024];
if (!which)
snprintf(fname, sizeof(fname), "%s/images/magic/rosette.png", api->data_directory);
else snprintf(fname, sizeof(fname), "%s/images/magic/picasso.png", api->data_directory);
return(IMG_Load(fname)); if (!which)
snprintf(fname, sizeof(fname), "%s/images/magic/rosette.png", api->data_directory);
else
snprintf(fname, sizeof(fname), "%s/images/magic/picasso.png", api->data_directory);
return (IMG_Load(fname));
} }
char * rosette_get_name(magic_api * api ATTRIBUTE_UNUSED, int which) { if (!which) return strdup(gettext_noop("Rosette")); else return strdup(gettext_noop("Picasso"));} char *rosette_get_name(magic_api * api ATTRIBUTE_UNUSED, int which)
char * rosette_get_description(magic_api * api ATTRIBUTE_UNUSED, int which, int mode ATTRIBUTE_UNUSED)
{ {
if (!which) if (!which)
return strdup(gettext_noop("Click and start drawing your rosette.")); //just k'scope with 3 bits? return strdup(gettext_noop("Rosette"));
else else
return strdup(gettext_noop("You can draw just like Picasso!")); //what is this actually doing? return strdup(gettext_noop("Picasso"));
} }
int rosette_requires_colors(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED) { return 1; } char *rosette_get_description(magic_api * api ATTRIBUTE_UNUSED, int which, int mode ATTRIBUTE_UNUSED)
{
if (!which)
return strdup(gettext_noop("Click and start drawing your rosette.")); //just k'scope with 3 bits?
else
return strdup(gettext_noop("You can draw just like Picasso!")); //what is this actually doing?
}
int rosette_requires_colors(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return 1;
}
void rosette_release(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, void rosette_release(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED, SDL_Surface * snapshot ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED, SDL_Surface * snapshot ATTRIBUTE_UNUSED,
int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED, SDL_Rect * update_rect ATTRIBUTE_UNUSED) int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED, SDL_Rect * update_rect ATTRIBUTE_UNUSED)
{ {
} }
void rosette_shutdown(magic_api * api ATTRIBUTE_UNUSED) { Mix_FreeChunk(rosette_snd); } void rosette_shutdown(magic_api * api ATTRIBUTE_UNUSED)
{
Mix_FreeChunk(rosette_snd);
}
// Interactivity functions // Interactivity functions
void rosette_circle(void * ptr, int which ATTRIBUTE_UNUSED, void rosette_circle(void *ptr, int which ATTRIBUTE_UNUSED,
SDL_Surface * canvas, SDL_Surface * snapshot ATTRIBUTE_UNUSED, SDL_Surface * canvas, SDL_Surface * snapshot ATTRIBUTE_UNUSED, int x, int y)
int x, int y)
{ {
magic_api * api = (magic_api *) ptr; magic_api *api = (magic_api *) ptr;
int xx, yy; int xx, yy;
for (yy = y - ROSETTE_R; yy < y + ROSETTE_R; yy++) for (yy = y - ROSETTE_R; yy < y + ROSETTE_R; yy++)
for (xx = x - ROSETTE_R; xx < x + ROSETTE_R; xx++) for (xx = x - ROSETTE_R; xx < x + ROSETTE_R; xx++)
if (api->in_circle(xx - x , yy - y , ROSETTE_R/2)) if (api->in_circle(xx - x, yy - y, ROSETTE_R / 2))
api->putpixel(canvas, xx, yy, SDL_MapRGB(canvas->format, rosette_colors.r, rosette_colors.g, rosette_colors.b)); api->putpixel(canvas, xx, yy, SDL_MapRGB(canvas->format, rosette_colors.r, rosette_colors.g, rosette_colors.b));
} }
void rosette_draw(void * ptr, int which, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y) void rosette_draw(void *ptr, int which, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y)
{ {
magic_api * api = (magic_api *) ptr; magic_api *api = (magic_api *) ptr;
double angle;
double xx, yy; //distance to the center of the image
int x1, y1, x2, y2;
xx=(double)(xmid-x);
yy=(double)(y-ymid);
if (which==0)
{
angle=2*M_PI/3; //an angle between brushes
x1=(int)(xx*cos(angle)-yy*sin(angle));
y1=(int)(xx*sin(angle)+yy*cos(angle));
x2=(int)(xx*cos(2*angle)-yy*sin(2*angle));
y2=(int)(xx*sin(2*angle)+yy*cos(2*angle));
}
else
{
angle=atan(yy/xx);
if ((xx<0) && (yy>0)) angle+=M_PI;
if ((xx<0) && (yy<0)) angle+=M_PI;
if ((xx>0) && (yy<0)) angle+=2*M_PI;
if ((y==ymid) && (xx<0)) angle=M_PI; double angle;
double xx, yy; //distance to the center of the image
x1=(int)(xx*cos(2*angle)-yy*sin(2*angle)); int x1, y1, x2, y2;
y1=(int)(xx*sin(2*angle)-yy*cos(angle));
x2=(int)(xx*cos(2*angle)-yy*sin(2*angle));
y2=(int)(xx*sin(2*angle)+yy*cos(2*angle));
}
rosette_circle(api, which, canvas, snapshot, x, y); xx = (double)(xmid - x);
rosette_circle(api, which, canvas, snapshot, (-1)*(x1-xmid), y1+ymid); yy = (double)(y - ymid);
rosette_circle(api, which, canvas, snapshot, (-1)*(x2-xmid), y2+ymid);
if (which == 0)
{
angle = 2 * M_PI / 3; //an angle between brushes
x1 = (int)(xx * cos(angle) - yy * sin(angle));
y1 = (int)(xx * sin(angle) + yy * cos(angle));
x2 = (int)(xx * cos(2 * angle) - yy * sin(2 * angle));
y2 = (int)(xx * sin(2 * angle) + yy * cos(2 * angle));
}
else
{
angle = atan(yy / xx);
if ((xx < 0) && (yy > 0))
angle += M_PI;
if ((xx < 0) && (yy < 0))
angle += M_PI;
if ((xx > 0) && (yy < 0))
angle += 2 * M_PI;
if ((y == ymid) && (xx < 0))
angle = M_PI;
x1 = (int)(xx * cos(2 * angle) - yy * sin(2 * angle));
y1 = (int)(xx * sin(2 * angle) - yy * cos(angle));
x2 = (int)(xx * cos(2 * angle) - yy * sin(2 * angle));
y2 = (int)(xx * sin(2 * angle) + yy * cos(2 * angle));
}
rosette_circle(api, which, canvas, snapshot, x, y);
rosette_circle(api, which, canvas, snapshot, (-1) * (x1 - xmid), y1 + ymid);
rosette_circle(api, which, canvas, snapshot, (-1) * (x2 - xmid), y2 + ymid);
} }
void rosette_drag(magic_api * api, int which, SDL_Surface * canvas, void rosette_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Rect * update_rect)
SDL_Rect * update_rect)
{ {
api->line((void *) api, which, canvas, snapshot, ox, oy, x, y, 1, rosette_draw); api->line((void *)api, which, canvas, snapshot, ox, oy, x, y, 1, rosette_draw);
api->playsound(rosette_snd, (x * 255) / canvas->w, 255); api->playsound(rosette_snd, (x * 255) / canvas->w, 255);
update_rect->x=update_rect->y=0; update_rect->x = update_rect->y = 0;
update_rect->w=canvas->w; update_rect->w = canvas->w;
update_rect->h=canvas->h; update_rect->h = canvas->h;
} }
void rosette_click(magic_api * api, int which, int mode ATTRIBUTE_UNUSED, void rosette_click(magic_api * api, int which, int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas, SDL_Surface * last, SDL_Surface * canvas, SDL_Surface * last, int x, int y, SDL_Rect * update_rect)
int x, int y, SDL_Rect * update_rect)
{ {
rosette_drag(api, which, canvas, last, x, y, x, y, update_rect); rosette_drag(api, which, canvas, last, x, y, x, y, update_rect);
} }
void rosette_switchin(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED) void rosette_switchin(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
{ SDL_Surface * canvas ATTRIBUTE_UNUSED)
xmid=canvas->w/2; {
ymid=canvas->h/2; xmid = canvas->w / 2;
ymid = canvas->h / 2;
} }
void rosette_switchout(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED) void rosette_switchout(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED)
{ {
} }
int rosette_modes(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED) int rosette_modes(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{ {
return(MODE_PAINT); return (MODE_PAINT);
} }