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indent realrainbow.c

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This commit is contained in:
Bill Kendrick 2017-10-15 11:49:17 -07:00
parent 408bb07151
commit 247be68e46
1 changed files with 129 additions and 138 deletions
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267
magic/src/realrainbow.c
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@ -20,48 +20,39 @@ FIXME:
#include "tp_magic_api.h" #include "tp_magic_api.h"
Mix_Chunk * realrainbow_snd; Mix_Chunk *realrainbow_snd;
int realrainbow_x1, realrainbow_y1, realrainbow_x2, realrainbow_y2; int realrainbow_x1, realrainbow_y1, realrainbow_x2, realrainbow_y2;
SDL_Rect realrainbow_rect; SDL_Rect realrainbow_rect;
SDL_Surface * realrainbow_colors[2]; SDL_Surface *realrainbow_colors[2];
Uint8 realrainbow_blendr, realrainbow_blendg, realrainbow_blendb, realrainbow_blenda; Uint8 realrainbow_blendr, realrainbow_blendg, realrainbow_blendb, realrainbow_blenda;
void realrainbow_arc(magic_api * api, int which, SDL_Surface * canvas, SDL_Surface * last, void realrainbow_arc(magic_api * api, int which, SDL_Surface * canvas, SDL_Surface * last,
int x1, int y1, int x2, int y2, int x1, int y1, int x2, int y2, int fulldraw, SDL_Rect * update_rect);
int fulldraw, SDL_Rect * update_rect); static void realrainbow_linecb(void *ptr, int which, SDL_Surface * canvas, SDL_Surface * last, int x, int y);
static void realrainbow_linecb(void * ptr, int which,
SDL_Surface * canvas, SDL_Surface * last,
int x, int y);
Uint32 realrainbow_api_version(void); Uint32 realrainbow_api_version(void);
int realrainbow_init(magic_api * api); int realrainbow_init(magic_api * api);
int realrainbow_get_tool_count(magic_api * api); int realrainbow_get_tool_count(magic_api * api);
SDL_Surface * realrainbow_get_icon(magic_api * api, int which); SDL_Surface *realrainbow_get_icon(magic_api * api, int which);
char * realrainbow_get_name(magic_api * api, int which); char *realrainbow_get_name(magic_api * api, int which);
char * realrainbow_get_description(magic_api * api, int which, int mode); char *realrainbow_get_description(magic_api * api, int which, int mode);
int realrainbow_modes(magic_api * api, int which); int realrainbow_modes(magic_api * api, int which);
int realrainbow_requires_colors(magic_api * api, int which); int realrainbow_requires_colors(magic_api * api, int which);
void realrainbow_shutdown(magic_api * api); void realrainbow_shutdown(magic_api * api);
void realrainbow_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b); void realrainbow_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b);
void realrainbow_click(magic_api * api, int which, int mode, void realrainbow_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 realrainbow_drag(magic_api * api, int which, void realrainbow_drag(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * last, SDL_Surface * canvas, SDL_Surface * last, int ox, int oy, int x, int y, SDL_Rect * update_rect);
int ox, int oy, int x, int y,
SDL_Rect * update_rect);
void realrainbow_release(magic_api * api, int which, void realrainbow_release(magic_api * api, int which,
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 realrainbow_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas); void realrainbow_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas);
void realrainbow_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas); void realrainbow_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas);
Uint32 realrainbow_api_version(void) Uint32 realrainbow_api_version(void)
{ {
return(TP_MAGIC_API_VERSION); return (TP_MAGIC_API_VERSION);
} }
int realrainbow_init(magic_api * api) int realrainbow_init(magic_api * api)
@ -71,60 +62,60 @@ int realrainbow_init(magic_api * api)
snprintf(fname, sizeof(fname), "%s/images/magic/realrainbow-colors.png", api->data_directory); snprintf(fname, sizeof(fname), "%s/images/magic/realrainbow-colors.png", api->data_directory);
realrainbow_colors[0] = IMG_Load(fname); realrainbow_colors[0] = IMG_Load(fname);
if (realrainbow_colors[0] == NULL) if (realrainbow_colors[0] == NULL)
return(0); return (0);
snprintf(fname, sizeof(fname), "%s/images/magic/realrainbow-roygbiv-colors.png", api->data_directory); snprintf(fname, sizeof(fname), "%s/images/magic/realrainbow-roygbiv-colors.png", api->data_directory);
realrainbow_colors[1] = IMG_Load(fname); realrainbow_colors[1] = IMG_Load(fname);
if (realrainbow_colors[1] == NULL) if (realrainbow_colors[1] == NULL)
return(0); return (0);
snprintf(fname, sizeof(fname), "%s/sounds/magic/realrainbow.ogg", snprintf(fname, sizeof(fname), "%s/sounds/magic/realrainbow.ogg", api->data_directory);
api->data_directory);
realrainbow_snd = Mix_LoadWAV(fname); realrainbow_snd = Mix_LoadWAV(fname);
return(1); return (1);
} }
int realrainbow_get_tool_count(magic_api * api ATTRIBUTE_UNUSED) int realrainbow_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
{ {
return(2); return (2);
} }
SDL_Surface * realrainbow_get_icon(magic_api * api, int which) SDL_Surface *realrainbow_get_icon(magic_api * api, int which)
{ {
char fname[1024]; char fname[1024];
if (which == 0) if (which == 0)
snprintf(fname, sizeof(fname), "%s/images/magic/realrainbow.png", snprintf(fname, sizeof(fname), "%s/images/magic/realrainbow.png", api->data_directory);
api->data_directory);
else else
snprintf(fname, sizeof(fname), "%s/images/magic/realrainbow-roygbiv.png", snprintf(fname, sizeof(fname), "%s/images/magic/realrainbow-roygbiv.png", api->data_directory);
api->data_directory);
return(IMG_Load(fname)); return (IMG_Load(fname));
} }
char * realrainbow_get_name(magic_api * api ATTRIBUTE_UNUSED, int which) char *realrainbow_get_name(magic_api * api ATTRIBUTE_UNUSED, int which)
{ {
if (which == 0) if (which == 0)
return(strdup(gettext_noop("Real Rainbow"))); return (strdup(gettext_noop("Real Rainbow")));
else else
return(strdup(gettext_noop("ROYGBIV Rainbow"))); return (strdup(gettext_noop("ROYGBIV Rainbow")));
} }
char * realrainbow_get_description(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED) char *realrainbow_get_description(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED,
int mode ATTRIBUTE_UNUSED)
{ {
return(strdup(gettext_noop("Click where you want your rainbow to start, drag to where you want it to end, and then let go to draw a rainbow."))); return (strdup
(gettext_noop
("Click where you want your rainbow to start, drag to where you want it to end, and then let go to draw a rainbow.")));
} }
int realrainbow_modes(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED) int realrainbow_modes(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{ {
return(MODE_PAINT_WITH_PREVIEW); return (MODE_PAINT_WITH_PREVIEW);
} }
int realrainbow_requires_colors(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED) int realrainbow_requires_colors(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{ {
return(0); return (0);
} }
void realrainbow_shutdown(magic_api * api ATTRIBUTE_UNUSED) void realrainbow_shutdown(magic_api * api ATTRIBUTE_UNUSED)
@ -137,14 +128,14 @@ void realrainbow_shutdown(magic_api * api ATTRIBUTE_UNUSED)
Mix_FreeChunk(realrainbow_snd); Mix_FreeChunk(realrainbow_snd);
} }
void realrainbow_set_color(magic_api * api ATTRIBUTE_UNUSED, Uint8 r ATTRIBUTE_UNUSED, Uint8 g ATTRIBUTE_UNUSED, Uint8 b ATTRIBUTE_UNUSED) void realrainbow_set_color(magic_api * api ATTRIBUTE_UNUSED, Uint8 r ATTRIBUTE_UNUSED, Uint8 g ATTRIBUTE_UNUSED,
Uint8 b ATTRIBUTE_UNUSED)
{ {
} }
void realrainbow_click(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, void realrainbow_click(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED, SDL_Surface * last ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED, SDL_Surface * last ATTRIBUTE_UNUSED,
int x, int y, int x, int y, SDL_Rect * update_rect ATTRIBUTE_UNUSED)
SDL_Rect * update_rect ATTRIBUTE_UNUSED)
{ {
realrainbow_x1 = x; realrainbow_x1 = x;
realrainbow_y1 = y; realrainbow_y1 = y;
@ -157,8 +148,7 @@ void realrainbow_click(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNU
void realrainbow_drag(magic_api * api, int which, void realrainbow_drag(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * last, SDL_Surface * canvas, SDL_Surface * last,
int ox ATTRIBUTE_UNUSED, int oy ATTRIBUTE_UNUSED, int x, int y, int ox ATTRIBUTE_UNUSED, int oy ATTRIBUTE_UNUSED, int x, int y, SDL_Rect * update_rect)
SDL_Rect * update_rect)
{ {
int rx1, ry1, rx2, ry2; int rx1, ry1, rx2, ry2;
SDL_Rect rect; SDL_Rect rect;
@ -168,7 +158,8 @@ void realrainbow_drag(magic_api * api, int which,
SDL_BlitSurface(last, &realrainbow_rect, canvas, &realrainbow_rect); SDL_BlitSurface(last, &realrainbow_rect, canvas, &realrainbow_rect);
realrainbow_arc(api, which, canvas, last, realrainbow_x1, realrainbow_y1, realrainbow_x2, realrainbow_y2, 0, update_rect); realrainbow_arc(api, which, canvas, last, realrainbow_x1, realrainbow_y1, realrainbow_x2, realrainbow_y2, 0,
update_rect);
memcpy(&rect, &realrainbow_rect, sizeof(SDL_Rect)); memcpy(&rect, &realrainbow_rect, sizeof(SDL_Rect));
memcpy(&realrainbow_rect, update_rect, sizeof(SDL_Rect)); memcpy(&realrainbow_rect, update_rect, sizeof(SDL_Rect));
@ -194,9 +185,7 @@ void realrainbow_drag(magic_api * api, int which,
} }
void realrainbow_release(magic_api * api, int which, void realrainbow_release(magic_api * api, int which,
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)
{ {
int rx1, ry1, rx2, ry2; int rx1, ry1, rx2, ry2;
SDL_Rect rect; SDL_Rect rect;
@ -206,7 +195,8 @@ void realrainbow_release(magic_api * api, int which,
SDL_BlitSurface(last, &realrainbow_rect, canvas, &realrainbow_rect); SDL_BlitSurface(last, &realrainbow_rect, canvas, &realrainbow_rect);
realrainbow_arc(api, which, canvas, last, realrainbow_x1, realrainbow_y1, realrainbow_x2, realrainbow_y2, 1, update_rect); realrainbow_arc(api, which, canvas, last, realrainbow_x1, realrainbow_y1, realrainbow_x2, realrainbow_y2, 1,
update_rect);
memcpy(&rect, &realrainbow_rect, sizeof(SDL_Rect)); memcpy(&rect, &realrainbow_rect, sizeof(SDL_Rect));
memcpy(&realrainbow_rect, update_rect, sizeof(SDL_Rect)); memcpy(&realrainbow_rect, update_rect, sizeof(SDL_Rect));
@ -233,16 +223,19 @@ void realrainbow_release(magic_api * api, int which,
api->playsound(realrainbow_snd, 128, 255); api->playsound(realrainbow_snd, 128, 255);
} }
void realrainbow_switchin(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED) void realrainbow_switchin(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED)
{ {
} }
void realrainbow_switchout(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED) void realrainbow_switchout(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED)
{ {
} }
void realrainbow_arc(magic_api * api, int which, SDL_Surface * canvas, SDL_Surface * last, int x1, int y1, int x2, int y2, int fulldraw, SDL_Rect * update_rect) void realrainbow_arc(magic_api * api, int which, SDL_Surface * canvas, SDL_Surface * last, int x1, int y1, int x2,
int y2, int fulldraw, SDL_Rect * update_rect)
{ {
int lowx, lowy, hix, hiy, xm, ym, xc, yc, r, a1, atan2_a, atan2_b; int lowx, lowy, hix, hiy, xm, ym, xc, yc, r, a1, atan2_a, atan2_b;
int a, oa, ox, oy, nx, ny, step, thick, rr, done; int a, oa, ox, oy, nx, ny, step, thick, rr, done;
@ -250,71 +243,71 @@ void realrainbow_arc(magic_api * api, int which, SDL_Surface * canvas, SDL_Surfa
int colorindex; int colorindex;
if (abs(x2 - x1) < 50) if (abs(x2 - x1) < 50)
{ {
if (x2 > x1) if (x2 > x1)
x2 = x1 + 50; x2 = x1 + 50;
else else
x2 = x1 - 50; x2 = x1 - 50;
} }
if (y1 == y2) if (y1 == y2)
{
xc = x1 + (x2 - x1) / 2;
yc = y1;
r = abs(xc - x1);
a1 = 0;
theta = -180;
}
else
{
if (y1 > y2)
{ {
lowx = x1; xc = x1 + (x2 - x1) / 2;
lowy = y1; yc = y1;
hix = x2; r = abs(xc - x1);
hiy = y2;
}
else
{
lowx = x2;
lowy = y2;
hix = x1;
hiy = y1;
}
xm = (lowx + hix) / 2;
ym = (lowy + hiy) / 2;
if (hix == lowx)
return;
slope = (float)(hiy - lowy) / (float)(hix - lowx);
yc = lowy;
xc = slope * (ym - yc) + xm;
r = abs(xc - lowx);
atan2_b = hix - xc;
atan2_a = hiy - yc;
theta = atan2(atan2_a, atan2_b) * (180.0 / M_PI);
if (slope > 0)
a1 = 0; a1 = 0;
else theta = -180;
a1 = -180; }
} else
{
if (y1 > y2)
{
lowx = x1;
lowy = y1;
hix = x2;
hiy = y2;
}
else
{
lowx = x2;
lowy = y2;
hix = x1;
hiy = y1;
}
xm = (lowx + hix) / 2;
ym = (lowy + hiy) / 2;
if (hix == lowx)
return;
slope = (float)(hiy - lowy) / (float)(hix - lowx);
yc = lowy;
xc = slope * (ym - yc) + xm;
r = abs(xc - lowx);
atan2_b = hix - xc;
atan2_a = hiy - yc;
theta = atan2(atan2_a, atan2_b) * (180.0 / M_PI);
if (slope > 0)
a1 = 0;
else
a1 = -180;
}
if (fulldraw) if (fulldraw)
{ {
step = 1; step = 1;
/* thick = (r / 5); */ /* thick = (r / 5); */
} }
else else
{ {
step = 30; step = 30;
/* thick = 1; */ /* thick = 1; */
} }
thick = (r / 5); thick = (r / 5);
if (theta < a1) if (theta < a1)
@ -324,52 +317,51 @@ void realrainbow_arc(magic_api * api, int which, SDL_Surface * canvas, SDL_Surfa
oa = a1; oa = a1;
for (a = (a1 + step); done < 2; a = a + step) for (a = (a1 + step); done < 2; a = a + step)
{
for (rr = r - (thick / 2); rr <= r + (thick / 2); rr++)
{ {
ox = (rr * cos(oa * M_PI / 180.0)) + xc; for (rr = r - (thick / 2); rr <= r + (thick / 2); rr++)
oy = (rr * sin(oa * M_PI / 180.0)) + yc; {
ox = (rr * cos(oa * M_PI / 180.0)) + xc;
oy = (rr * sin(oa * M_PI / 180.0)) + yc;
nx = (rr * cos(a * M_PI / 180.0)) + xc; nx = (rr * cos(a * M_PI / 180.0)) + xc;
ny = (rr * sin(a * M_PI / 180.0)) + yc; ny = (rr * sin(a * M_PI / 180.0)) + yc;
colorindex = realrainbow_colors[which]->h - 1 - (((rr - r + (thick / 2)) * realrainbow_colors[which]->h) / thick); colorindex =
realrainbow_colors[which]->h - 1 - (((rr - r + (thick / 2)) * realrainbow_colors[which]->h) / thick);
SDL_GetRGBA(api->getpixel(realrainbow_colors[which], 0, colorindex), SDL_GetRGBA(api->getpixel(realrainbow_colors[which], 0, colorindex),
realrainbow_colors[which]->format, &realrainbow_blendr, &realrainbow_blendg, &realrainbow_blendb, &realrainbow_blenda); realrainbow_colors[which]->format, &realrainbow_blendr, &realrainbow_blendg, &realrainbow_blendb,
&realrainbow_blenda);
if (!fulldraw) if (!fulldraw)
realrainbow_blenda = 255; realrainbow_blenda = 255;
api->line((void *) api, 0, canvas, last, ox, oy, nx, ny, 1, realrainbow_linecb); api->line((void *)api, 0, canvas, last, ox, oy, nx, ny, 1, realrainbow_linecb);
}
oa = a;
if ((step > 0 && a + step > theta) || (step < 0 && a + step < theta))
{
done++;
a = theta - step;
}
} }
oa = a;
if ((step > 0 && a + step > theta) ||
(step < 0 && a + step < theta))
{
done++;
a = theta - step;
}
}
update_rect->y = yc - r - thick - 2; update_rect->y = yc - r - thick - 2;
update_rect->h = r + thick * 2 + 4; update_rect->h = r + thick * 2 + 4;
update_rect->x = xc - r - thick; update_rect->x = xc - r - thick;
update_rect->w = r * 2 + thick * 2; update_rect->w = r * 2 + thick * 2;
} }
static void realrainbow_linecb(void * ptr, int which ATTRIBUTE_UNUSED, static void realrainbow_linecb(void *ptr, int which ATTRIBUTE_UNUSED,
SDL_Surface * canvas, SDL_Surface * last, SDL_Surface * canvas, SDL_Surface * last, int x, int y)
int x, int y)
{ {
magic_api * api = (magic_api *) ptr; magic_api *api = (magic_api *) ptr;
Uint8 origr, origg, origb; Uint8 origr, origg, origb;
Uint8 newr, newg, newb; Uint8 newr, newg, newb;
SDL_GetRGB(api->getpixel(last, x, y), SDL_GetRGB(api->getpixel(last, x, y), last->format, &origr, &origg, &origb);
last->format, &origr, &origg, &origb);
newr = ((realrainbow_blendr * realrainbow_blenda) / 255) + ((origr * (255 - realrainbow_blenda)) / 255); newr = ((realrainbow_blendr * realrainbow_blenda) / 255) + ((origr * (255 - realrainbow_blenda)) / 255);
newg = ((realrainbow_blendg * realrainbow_blenda) / 255) + ((origg * (255 - realrainbow_blenda)) / 255); newg = ((realrainbow_blendg * realrainbow_blenda) / 255) + ((origg * (255 - realrainbow_blenda)) / 255);
@ -377,4 +369,3 @@ static void realrainbow_linecb(void * ptr, int which ATTRIBUTE_UNUSED,
api->putpixel(canvas, x, y, SDL_MapRGB(canvas->format, newr, newg, newb)); api->putpixel(canvas, x, y, SDL_MapRGB(canvas->format, newr, newg, newb));
} }