indent fold.c
This commit is contained in:
Bill Kendrick
parent
c855261af2
commit
31cb4f4505
1 changed files with 302 additions and 275 deletions
465
magic/src/fold.c
465
magic/src/fold.c
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@ -15,66 +15,57 @@ int fold_ox, fold_oy;
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int fold_x, fold_y;
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Uint8 fold_shadow_value;
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Uint8 corner;
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Mix_Chunk * fold_snd;
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Mix_Chunk *fold_snd;
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Uint8 fold_r, fold_g, fold_b;
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Uint32 fold_color;
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SDL_Surface * fold_surface_src, * fold_surface_dst;
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SDL_Surface *fold_surface_src, *fold_surface_dst;
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void fold_draw(magic_api * api, int which,
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SDL_Surface * canvas, SDL_Surface * snapshot,
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int x, int y, SDL_Rect * update_rect);
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static void fold_erase(void * ptr, int which, SDL_Surface * canvas, SDL_Surface * last,
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int x, int y);
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void translate_coords(SDL_Surface * canvas,int angle);
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SDL_Surface * rotate(magic_api * api, SDL_Surface * canvas, int angle);
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SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect);
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static void fold_erase(void *ptr, int which, SDL_Surface * canvas, SDL_Surface * last, int x, int y);
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void translate_coords(SDL_Surface * canvas, int angle);
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SDL_Surface *rotate(magic_api * api, SDL_Surface * canvas, int angle);
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void fold_draw(magic_api * api, int which,
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SDL_Surface * canvas, SDL_Surface * snapshot,
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int x, int y, SDL_Rect * update_rect);
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static void fold_print_line(void * ptr, int which, SDL_Surface * canvas, SDL_Surface * last,
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int x, int y);
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static void fold_print_dark_line(void * ptr, int which, SDL_Surface * canvas, SDL_Surface * last,
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int x, int y);
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void translate_xy(SDL_Surface * canvas, int x, int y, int * a, int * b, int rotation);
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SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect);
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static void fold_print_line(void *ptr, int which, SDL_Surface * canvas, SDL_Surface * last, int x, int y);
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static void fold_print_dark_line(void *ptr, int which, SDL_Surface * canvas, SDL_Surface * last, int x, int y);
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void translate_xy(SDL_Surface * canvas, int x, int y, int *a, int *b, int rotation);
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Uint32 fold_api_version(void);
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void fold_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b);
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int fold_init(magic_api * api);
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int fold_get_tool_count(magic_api * api);
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SDL_Surface * fold_get_icon(magic_api * api, int which);
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char * fold_get_name(magic_api * api, int which);
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char * fold_get_description(magic_api * api, int which, int mode);
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SDL_Surface *fold_get_icon(magic_api * api, int which);
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char *fold_get_name(magic_api * api, int which);
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char *fold_get_description(magic_api * api, int which, int mode);
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int fold_requires_colors(magic_api * api, int which);
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void fold_release(magic_api * api, int which,
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SDL_Surface * canvas, SDL_Surface * snapshot,
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int x, int y, SDL_Rect * update_rect);
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SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect);
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void fold_shutdown(magic_api * api);
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void fold_click(magic_api * ptr, int which, int mode,
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SDL_Surface * canvas, SDL_Surface * snapshot,
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int x, int y, SDL_Rect * update_rect);
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SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect);
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void fold_preview(magic_api * api, int which, SDL_Surface * canvas,
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SDL_Surface * snapshot, int ox, int oy, int x, int y,
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SDL_Rect * update_rect);
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SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Rect * update_rect);
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int fold_modes(magic_api * api, int which);
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// Housekeeping functions
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void fold_drag(magic_api * api, int which, SDL_Surface * canvas,
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SDL_Surface * snapshot, int ox, int oy, int x, int y,
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SDL_Rect * update_rect);
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SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Rect * update_rect);
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void fold_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas);
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inline Uint8 fold_what_corner(int x, int y, SDL_Surface * canvas);
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void fold_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas);
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Uint32 fold_api_version(void)
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{
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return(TP_MAGIC_API_VERSION);
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return (TP_MAGIC_API_VERSION);
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}
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void fold_set_color(magic_api * api ATTRIBUTE_UNUSED, Uint8 r, Uint8 g, Uint8 b) //get the colors from API and store it in structure
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{
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fold_r=r;
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fold_g=g;
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fold_b=b;
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fold_r = r;
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fold_g = g;
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fold_b = b;
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}
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int fold_init(magic_api * api)
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@ -84,7 +75,7 @@ int fold_init(magic_api * api)
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snprintf(fname, sizeof(fname), "%s/sounds/magic/fold.wav", api->data_directory);
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fold_snd = Mix_LoadWAV(fname);
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return(1);
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return (1);
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}
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int fold_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
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@ -92,334 +83,361 @@ int fold_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
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return 1;
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}
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SDL_Surface * fold_get_icon(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
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SDL_Surface *fold_get_icon(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
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{
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char fname[1024];
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snprintf(fname, sizeof(fname), "%s/images/magic/fold.png",
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api->data_directory);
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snprintf(fname, sizeof(fname), "%s/images/magic/fold.png", api->data_directory);
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return(IMG_Load(fname));
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return (IMG_Load(fname));
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}
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char * fold_get_name(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED) { return(gettext_noop("Fold")); }
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char * fold_get_description(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED) { return strdup(gettext_noop("Choose a background color and click to turn the corner of the page over.")); }
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int fold_requires_colors(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED) { return 1; } //selected color will be a "backpage" color
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static void fold_shadow(void * ptr, int which ATTRIBUTE_UNUSED, SDL_Surface * canvas, SDL_Surface * temp,
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int x, int y)
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char *fold_get_name(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
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{
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magic_api * api = (magic_api *) ptr;
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Uint8 r,g,b,a;
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SDL_GetRGBA(api->getpixel(temp, x, y),
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temp->format, &r, &g, &b, &a);
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return (gettext_noop("Fold"));
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}
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char *fold_get_description(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
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{
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return strdup(gettext_noop("Choose a background color and click to turn the corner of the page over."));
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}
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int fold_requires_colors(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
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{
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return 1;
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} //selected color will be a "backpage" color
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static void fold_shadow(void *ptr, int which ATTRIBUTE_UNUSED, SDL_Surface * canvas, SDL_Surface * temp, int x, int y)
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{
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magic_api *api = (magic_api *) ptr;
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Uint8 r, g, b, a;
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SDL_GetRGBA(api->getpixel(temp, x, y), temp->format, &r, &g, &b, &a);
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api->putpixel(canvas, x, y, SDL_MapRGBA(canvas->format,
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max(r-160+fold_shadow_value*4,0), max(g-160+fold_shadow_value*4,0), max(b-160+fold_shadow_value*4,0), a));
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max(r - 160 + fold_shadow_value * 4, 0), max(g - 160 + fold_shadow_value * 4,
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0),
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max(b - 160 + fold_shadow_value * 4, 0), a));
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}
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void fold_draw(magic_api * api, int which,
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SDL_Surface * canvas, SDL_Surface * snapshot,
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int x, int y, SDL_Rect * update_rect ATTRIBUTE_UNUSED)
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SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect ATTRIBUTE_UNUSED)
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{
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float right_step_x, right_step_y, left_step_x, left_step_y;
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float dist_x, dist_y;
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int left_y, right_x;
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float w, h;
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SDL_Surface * temp;
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temp=SDL_CreateRGBSurface(SDL_ANYFORMAT, canvas->w, canvas->h, canvas->format->BitsPerPixel,
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canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask, canvas->format->Amask);
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SDL_BlitSurface(canvas,0,temp,0);
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SDL_Surface *temp;
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right_step_x=(float)(x-left_arm_x)/(float)(left_arm_x-fold_ox);
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right_step_y=(float)(y-left_arm_y)/(float)(left_arm_x-fold_ox);
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left_step_x=(float)(x-right_arm_x)/(float)(right_arm_y-fold_oy);
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left_step_y=(float)(y-right_arm_y)/(float)(right_arm_y-fold_oy);
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for (w=0;w < canvas->w;w+=0.5)
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for(h=0;h < canvas->h;h+=0.5)
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temp = SDL_CreateRGBSurface(SDL_ANYFORMAT, canvas->w, canvas->h, canvas->format->BitsPerPixel,
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canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask,
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canvas->format->Amask);
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SDL_BlitSurface(canvas, 0, temp, 0);
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right_step_x = (float)(x - left_arm_x) / (float)(left_arm_x - fold_ox);
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right_step_y = (float)(y - left_arm_y) / (float)(left_arm_x - fold_ox);
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left_step_x = (float)(x - right_arm_x) / (float)(right_arm_y - fold_oy);
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left_step_y = (float)(y - right_arm_y) / (float)(right_arm_y - fold_oy);
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for (w = 0; w < canvas->w; w += 0.5)
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for (h = 0; h < canvas->h; h += 0.5)
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{
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dist_x=right_step_x*w+left_step_x*h;
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dist_y=right_step_y*w+left_step_y*h;
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api->putpixel(canvas, x-dist_x, y-dist_y, api->getpixel(temp,w,h));
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dist_x = right_step_x * w + left_step_x * h;
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dist_y = right_step_y * w + left_step_y * h;
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api->putpixel(canvas, x - dist_x, y - dist_y, api->getpixel(temp, w, h));
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}
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// Erasing the triangle.
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// The 1 pixel in plus is a workaround for api-line not getting the end in some lines.
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if (left_arm_x > canvas->w)
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{
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left_y=(float)right_arm_y/left_arm_x*(left_arm_x-canvas->w);
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left_y = (float)right_arm_y / left_arm_x * (left_arm_x - canvas->w);
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for (h = 0; h <= right_arm_y; h++)
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api->line((void *)api, which, canvas, snapshot, canvas->w, left_y-h, -1, right_arm_y-h, 1, fold_erase);
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api->line((void *)api, which, canvas, snapshot, canvas->w, left_y - h, -1, right_arm_y - h, 1, fold_erase);
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}
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else if (right_arm_y > canvas->h)
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{
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right_x=(float)left_arm_x/right_arm_y*(right_arm_y-canvas->h);
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right_x = (float)left_arm_x / right_arm_y * (right_arm_y - canvas->h);
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for (w = 0; w <= left_arm_x; w++)
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api->line((void *)api, which, canvas, snapshot, left_arm_x-w, 0, right_x-w, canvas->h +1, 1, fold_erase);
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api->line((void *)api, which, canvas, snapshot, left_arm_x - w, 0, right_x - w, canvas->h + 1, 1, fold_erase);
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}
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else
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for (w = 0; w <= min(left_arm_x,right_arm_y); w++) // The -1 values are because api->line
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api->line((void *)api, which, canvas, snapshot, left_arm_x-w, 0, -1, right_arm_y-w, 1, fold_erase);
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for (w = 0; w <= min(left_arm_x, right_arm_y); w++) // The -1 values are because api->line
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api->line((void *)api, which, canvas, snapshot, left_arm_x - w, 0, -1, right_arm_y - w, 1, fold_erase);
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SDL_BlitSurface(canvas,0,temp,0);
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SDL_BlitSurface(canvas, 0, temp, 0);
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// Shadows
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if (left_arm_x > canvas->w)
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{
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for (fold_shadow_value = 0; fold_shadow_value < 40; fold_shadow_value+=1)
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api->line((void *)api, which, canvas, temp, canvas->w, left_y-fold_shadow_value, 0, right_arm_y-fold_shadow_value, 1, fold_shadow);
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for (fold_shadow_value = 0; fold_shadow_value < 40; fold_shadow_value += 1)
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api->line((void *)api, which, canvas, temp, canvas->w, left_y - fold_shadow_value, 0,
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right_arm_y - fold_shadow_value, 1, fold_shadow);
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}
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else if (right_arm_y > canvas->h)
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{
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for (fold_shadow_value = 0; fold_shadow_value < 40; fold_shadow_value+=1)
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api->line((void *)api, which, canvas, temp, left_arm_x-fold_shadow_value, 0, right_x - fold_shadow_value, canvas->h, 1, fold_shadow);
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for (fold_shadow_value = 0; fold_shadow_value < 40; fold_shadow_value += 1)
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api->line((void *)api, which, canvas, temp, left_arm_x - fold_shadow_value, 0, right_x - fold_shadow_value,
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canvas->h, 1, fold_shadow);
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}
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else
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for (fold_shadow_value = 0; fold_shadow_value < 40; fold_shadow_value+=1)
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api->line((void *)api, which, canvas, temp, left_arm_x-fold_shadow_value, 0, 0, right_arm_y-fold_shadow_value, 1, fold_shadow);
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for (fold_shadow_value = 0; fold_shadow_value < 40; fold_shadow_value += 1)
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api->line((void *)api, which, canvas, temp, left_arm_x - fold_shadow_value, 0, 0, right_arm_y - fold_shadow_value,
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1, fold_shadow);
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SDL_BlitSurface(canvas,0,temp,0);
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SDL_BlitSurface(canvas, 0, temp, 0);
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for (fold_shadow_value = 0; fold_shadow_value < 40; fold_shadow_value+=1)
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for (fold_shadow_value = 0; fold_shadow_value < 40; fold_shadow_value += 1)
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{
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if (fold_shadow_value*left_step_x > x || fold_shadow_value*right_step_y > y) break;
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if (fold_shadow_value * left_step_x > x || fold_shadow_value * right_step_y > y)
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break;
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dist_x=fold_shadow_value*(right_step_x+left_step_x);
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dist_y=fold_shadow_value*(right_step_y+left_step_y);
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api->line((void *)api, which, canvas, temp, left_arm_x+fold_shadow_value*right_step_x, fold_shadow_value*right_step_y, fold_shadow_value*left_step_x, right_arm_y+fold_shadow_value*left_step_y, 1, fold_shadow);
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dist_x = fold_shadow_value * (right_step_x + left_step_x);
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dist_y = fold_shadow_value * (right_step_y + left_step_y);
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api->line((void *)api, which, canvas, temp, left_arm_x + fold_shadow_value * right_step_x,
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fold_shadow_value * right_step_y, fold_shadow_value * left_step_x,
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right_arm_y + fold_shadow_value * left_step_y, 1, fold_shadow);
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}
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api->line((void *)api, which, canvas, snapshot, x, y, right_arm_x, right_arm_y, 1, fold_print_line);
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api->line((void *)api, which, canvas, snapshot, x, y, left_arm_x, left_arm_y, 1, fold_print_line);
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api->line((void *)api, which, canvas, snapshot, left_arm_x, left_arm_y, right_arm_x, right_arm_y, 1, fold_print_dark_line);
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api->line((void *)api, which, canvas, snapshot, left_arm_x, left_arm_y, right_arm_x, right_arm_y, 1,
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fold_print_dark_line);
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}
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SDL_Surface * rotate(magic_api * api, SDL_Surface * canvas, int angle)
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SDL_Surface *rotate(magic_api * api, SDL_Surface * canvas, int angle)
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{
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SDL_Surface * temp;
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int x,y;
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int a,b;
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SDL_Surface *temp;
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int x, y;
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int a, b;
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if (angle==180)
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temp=SDL_CreateRGBSurface(SDL_ANYFORMAT, canvas->w, canvas->h, canvas->format->BitsPerPixel,
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canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask, canvas->format->Amask);
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if (angle == 180)
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temp = SDL_CreateRGBSurface(SDL_ANYFORMAT, canvas->w, canvas->h, canvas->format->BitsPerPixel,
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canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask,
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canvas->format->Amask);
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else
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temp=SDL_CreateRGBSurface(SDL_ANYFORMAT, canvas->h, canvas->w, canvas->format->BitsPerPixel,
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canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask, canvas->format->Amask);
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temp = SDL_CreateRGBSurface(SDL_ANYFORMAT, canvas->h, canvas->w, canvas->format->BitsPerPixel,
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canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask,
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canvas->format->Amask);
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switch (angle)
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{
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case 90:
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for (x=0; x<canvas->w; x++)
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for (y=0; y<canvas->h; y++)
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for (x = 0; x < canvas->w; x++)
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for (y = 0; y < canvas->h; y++)
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{
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translate_xy(canvas,x,y,&a,&b,90);
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api->putpixel(temp,a,b,api->getpixel(canvas, x, y));
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translate_xy(canvas, x, y, &a, &b, 90);
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api->putpixel(temp, a, b, api->getpixel(canvas, x, y));
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}
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break;
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case 180:
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// printf("%i, %i\n",temp,canvas);
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for (x=0; x<canvas->w; x++)
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for (y=0; y<canvas->h; y++)
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for (x = 0; x < canvas->w; x++)
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for (y = 0; y < canvas->h; y++)
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{
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translate_xy(canvas,x,y,&a,&b,180);
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api->putpixel(temp,a,b,api->getpixel(canvas, x, y));
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translate_xy(canvas, x, y, &a, &b, 180);
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api->putpixel(temp, a, b, api->getpixel(canvas, x, y));
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}
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break;
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case 270:
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for (x=0; x<canvas->w; x++)
|
||||
for (y=0; y<canvas->h; y++)
|
||||
for (x = 0; x < canvas->w; x++)
|
||||
for (y = 0; y < canvas->h; y++)
|
||||
{
|
||||
translate_xy(canvas,x,y,&a,&b,270);
|
||||
api->putpixel(temp,a,b,api->getpixel(canvas, x, y));
|
||||
translate_xy(canvas, x, y, &a, &b, 270);
|
||||
api->putpixel(temp, a, b, api->getpixel(canvas, x, y));
|
||||
}
|
||||
break;
|
||||
}
|
||||
return temp;
|
||||
}
|
||||
|
||||
void translate_coords(SDL_Surface * canvas,int angle)
|
||||
void translate_coords(SDL_Surface * canvas, int angle)
|
||||
{
|
||||
int a,b;
|
||||
int a, b;
|
||||
|
||||
switch (angle)
|
||||
{
|
||||
case 90:
|
||||
translate_xy(canvas,right_arm_x,right_arm_y,&a,&b,90);
|
||||
right_arm_x=a;
|
||||
right_arm_y=b;
|
||||
translate_xy(canvas,left_arm_x,left_arm_y,&a,&b,90);
|
||||
left_arm_x=a;
|
||||
left_arm_y=b;
|
||||
translate_xy(canvas, right_arm_x, right_arm_y, &a, &b, 90);
|
||||
right_arm_x = a;
|
||||
right_arm_y = b;
|
||||
translate_xy(canvas, left_arm_x, left_arm_y, &a, &b, 90);
|
||||
left_arm_x = a;
|
||||
left_arm_y = b;
|
||||
|
||||
break;
|
||||
case 180:
|
||||
right_arm_x=canvas->w-1-right_arm_x;
|
||||
right_arm_y=canvas->h-1-right_arm_y;
|
||||
left_arm_x=canvas->w-1-left_arm_x;
|
||||
left_arm_y=canvas->h-1-left_arm_y;
|
||||
right_arm_x = canvas->w - 1 - right_arm_x;
|
||||
right_arm_y = canvas->h - 1 - right_arm_y;
|
||||
left_arm_x = canvas->w - 1 - left_arm_x;
|
||||
left_arm_y = canvas->h - 1 - left_arm_y;
|
||||
break;
|
||||
case 270:
|
||||
translate_xy(canvas,right_arm_x,right_arm_y,&a,&b,270);
|
||||
right_arm_x=a;
|
||||
right_arm_y=b;
|
||||
translate_xy(canvas,left_arm_x, left_arm_y, &a, &b, 270);
|
||||
left_arm_x=a;
|
||||
left_arm_y=b;
|
||||
translate_xy(canvas, right_arm_x, right_arm_y, &a, &b, 270);
|
||||
right_arm_x = a;
|
||||
right_arm_y = b;
|
||||
translate_xy(canvas, left_arm_x, left_arm_y, &a, &b, 270);
|
||||
left_arm_x = a;
|
||||
left_arm_y = b;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void translate_xy(SDL_Surface * canvas, int x, int y, int * a, int * b, int rotation)
|
||||
void translate_xy(SDL_Surface * canvas, int x, int y, int *a, int *b, int rotation)
|
||||
{
|
||||
switch (rotation)
|
||||
{
|
||||
case 90:
|
||||
*a=y;
|
||||
*b=canvas->w -1 -x;
|
||||
*a = y;
|
||||
*b = canvas->w - 1 - x;
|
||||
break;
|
||||
case 180:
|
||||
*a=canvas->w -1 -x;
|
||||
*b=canvas->h -1 -y;
|
||||
*a = canvas->w - 1 - x;
|
||||
*b = canvas->h - 1 - y;
|
||||
break;
|
||||
case 270:
|
||||
*a=canvas->h -1 -y;
|
||||
*b=x;
|
||||
*a = canvas->h - 1 - y;
|
||||
*b = x;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void fold_release(magic_api * api, int which,
|
||||
SDL_Surface * canvas, SDL_Surface * snapshot,
|
||||
int x, int y, SDL_Rect * update_rect)
|
||||
SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect)
|
||||
{
|
||||
int a,b;
|
||||
SDL_Surface * temp, *temp2;
|
||||
int a, b;
|
||||
SDL_Surface *temp, *temp2;
|
||||
|
||||
x=fold_x;
|
||||
y=fold_y;
|
||||
fold_ox=fold_oy=0;
|
||||
x = fold_x;
|
||||
y = fold_y;
|
||||
fold_ox = fold_oy = 0;
|
||||
SDL_BlitSurface(snapshot, 0, canvas, 0);
|
||||
switch (corner)
|
||||
{
|
||||
case 1:
|
||||
translate_xy(canvas,x,y,&a,&b,90);
|
||||
translate_coords(canvas,90);
|
||||
temp=rotate(api, canvas, 90);
|
||||
fold_draw (api, which, temp, snapshot, a, b,update_rect);
|
||||
temp2=rotate(api,temp,270);
|
||||
SDL_BlitSurface(temp2,0,canvas,0);
|
||||
translate_xy(canvas, x, y, &a, &b, 90);
|
||||
translate_coords(canvas, 90);
|
||||
temp = rotate(api, canvas, 90);
|
||||
fold_draw(api, which, temp, snapshot, a, b, update_rect);
|
||||
temp2 = rotate(api, temp, 270);
|
||||
SDL_BlitSurface(temp2, 0, canvas, 0);
|
||||
SDL_FreeSurface(temp);
|
||||
SDL_FreeSurface(temp2);
|
||||
break;
|
||||
|
||||
case 2:
|
||||
fold_draw (api, which, canvas, snapshot, x,y,update_rect);
|
||||
fold_draw(api, which, canvas, snapshot, x, y, update_rect);
|
||||
break;
|
||||
|
||||
case 3:
|
||||
translate_xy(canvas,x,y,&a,&b,270);
|
||||
translate_coords(canvas,270);
|
||||
temp=rotate(api, canvas, 270);
|
||||
fold_draw (api, which, temp, snapshot, a, b,update_rect);
|
||||
temp2=rotate(api,temp,90);
|
||||
SDL_BlitSurface(temp2,0,canvas,0);
|
||||
translate_xy(canvas, x, y, &a, &b, 270);
|
||||
translate_coords(canvas, 270);
|
||||
temp = rotate(api, canvas, 270);
|
||||
fold_draw(api, which, temp, snapshot, a, b, update_rect);
|
||||
temp2 = rotate(api, temp, 90);
|
||||
SDL_BlitSurface(temp2, 0, canvas, 0);
|
||||
SDL_FreeSurface(temp);
|
||||
SDL_FreeSurface(temp2);
|
||||
break;
|
||||
|
||||
case 4:
|
||||
translate_xy(canvas,x,y,&a,&b,180);
|
||||
translate_coords(canvas,180);
|
||||
temp=rotate(api, canvas, 180);
|
||||
fold_draw (api, which, temp, snapshot, a, b,update_rect);
|
||||
temp2=rotate(api,temp,180);
|
||||
SDL_BlitSurface(temp2,0,canvas,0);
|
||||
SDL_FreeSurface (temp);
|
||||
SDL_FreeSurface (temp2);
|
||||
translate_xy(canvas, x, y, &a, &b, 180);
|
||||
translate_coords(canvas, 180);
|
||||
temp = rotate(api, canvas, 180);
|
||||
fold_draw(api, which, temp, snapshot, a, b, update_rect);
|
||||
temp2 = rotate(api, temp, 180);
|
||||
SDL_BlitSurface(temp2, 0, canvas, 0);
|
||||
SDL_FreeSurface(temp);
|
||||
SDL_FreeSurface(temp2);
|
||||
break;
|
||||
}
|
||||
|
||||
update_rect->x=update_rect->y=0;
|
||||
update_rect->w=canvas->w;
|
||||
update_rect->h=canvas->h;
|
||||
update_rect->x = update_rect->y = 0;
|
||||
update_rect->w = canvas->w;
|
||||
update_rect->h = canvas->h;
|
||||
api->playsound(fold_snd, (x * 255) / canvas->w, 255);
|
||||
}
|
||||
|
||||
void fold_shutdown(magic_api * api ATTRIBUTE_UNUSED)
|
||||
{
|
||||
{
|
||||
Mix_FreeChunk(fold_snd);
|
||||
SDL_FreeSurface(fold_surface_dst);
|
||||
SDL_FreeSurface(fold_surface_src);
|
||||
}
|
||||
}
|
||||
|
||||
// Interactivity functions
|
||||
|
||||
inline Uint8 fold_what_corner(int x, int y, SDL_Surface * canvas)
|
||||
{
|
||||
if (x>=canvas->w/2)
|
||||
if (x >= canvas->w / 2)
|
||||
{
|
||||
if (y>=canvas->h/2) return 4;
|
||||
else return 1;
|
||||
if (y >= canvas->h / 2)
|
||||
return 4;
|
||||
else
|
||||
return 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (y>=canvas->h/2) return 3;
|
||||
else return 2;
|
||||
if (y >= canvas->h / 2)
|
||||
return 3;
|
||||
else
|
||||
return 2;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void fold_print_line(void * ptr, int which ATTRIBUTE_UNUSED, SDL_Surface * canvas, SDL_Surface * last,
|
||||
static void fold_print_line(void *ptr, int which ATTRIBUTE_UNUSED, SDL_Surface * canvas, SDL_Surface * last,
|
||||
int x, int y)
|
||||
{
|
||||
magic_api * api = (magic_api *) ptr;
|
||||
magic_api *api = (magic_api *) ptr;
|
||||
|
||||
api->putpixel(canvas, x, y, SDL_MapRGB(last->format, 222, 222, 222)); //Middle gray. Color have been set arbitrary.
|
||||
}
|
||||
static void fold_print_dark_line(void * ptr, int which ATTRIBUTE_UNUSED, SDL_Surface * canvas, SDL_Surface * last ATTRIBUTE_UNUSED,
|
||||
int x, int y)
|
||||
|
||||
static void fold_print_dark_line(void *ptr, int which ATTRIBUTE_UNUSED, SDL_Surface * canvas,
|
||||
SDL_Surface * last ATTRIBUTE_UNUSED, int x, int y)
|
||||
{
|
||||
magic_api * api = (magic_api *) ptr;
|
||||
magic_api *api = (magic_api *) ptr;
|
||||
|
||||
api->putpixel(canvas, x, y, SDL_MapRGB(last->format, 90, 90, 90)); //It should not look too black nor too white with shadowed colors.
|
||||
}
|
||||
|
||||
static void fold_erase(void * ptr, int which ATTRIBUTE_UNUSED, SDL_Surface * canvas, SDL_Surface * last ATTRIBUTE_UNUSED,
|
||||
static void fold_erase(void *ptr, int which ATTRIBUTE_UNUSED, SDL_Surface * canvas, SDL_Surface * last ATTRIBUTE_UNUSED,
|
||||
int x, int y)
|
||||
{
|
||||
magic_api * api = (magic_api *) ptr;
|
||||
magic_api *api = (magic_api *) ptr;
|
||||
|
||||
api->putpixel(canvas, x, y, SDL_MapRGB(canvas->format, fold_r, fold_g, fold_b));
|
||||
}
|
||||
|
||||
void fold_click(magic_api * ptr, int which, int mode ATTRIBUTE_UNUSED,
|
||||
SDL_Surface * canvas, SDL_Surface * snapshot,
|
||||
int x, int y, SDL_Rect * update_rect)
|
||||
SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect)
|
||||
{
|
||||
magic_api * api = (magic_api *) ptr;
|
||||
corner=fold_what_corner(x, y, snapshot);
|
||||
magic_api *api = (magic_api *) ptr;
|
||||
|
||||
corner = fold_what_corner(x, y, snapshot);
|
||||
|
||||
switch (corner)
|
||||
{
|
||||
case 1:
|
||||
fold_ox=canvas->w-1;
|
||||
fold_oy=0;
|
||||
fold_ox = canvas->w - 1;
|
||||
fold_oy = 0;
|
||||
break;
|
||||
case 2:
|
||||
fold_ox=fold_oy=0;
|
||||
fold_ox = fold_oy = 0;
|
||||
break;
|
||||
case 3:
|
||||
fold_ox=0;
|
||||
fold_oy=canvas->h-1;
|
||||
fold_ox = 0;
|
||||
fold_oy = canvas->h - 1;
|
||||
break;
|
||||
case 4:
|
||||
fold_ox=canvas->w-1;
|
||||
fold_oy=canvas->h-1;
|
||||
fold_ox = canvas->w - 1;
|
||||
fold_oy = canvas->h - 1;
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
@ -433,45 +451,53 @@ void fold_preview(magic_api * api, int which, SDL_Surface * canvas,
|
|||
int middle_point_x;
|
||||
int middle_point_y;
|
||||
|
||||
fold_x=x;
|
||||
fold_y=y;
|
||||
SDL_BlitSurface(snapshot,0,canvas,0);
|
||||
fold_x = x;
|
||||
fold_y = y;
|
||||
SDL_BlitSurface(snapshot, 0, canvas, 0);
|
||||
|
||||
middle_point_x=(fold_ox+x)/2;
|
||||
middle_point_y=(fold_oy+y)/2;
|
||||
middle_point_x = (fold_ox + x) / 2;
|
||||
middle_point_y = (fold_oy + y) / 2;
|
||||
|
||||
switch(corner)
|
||||
switch (corner)
|
||||
{
|
||||
case 1: //Right Upper
|
||||
right_arm_x=fold_ox- (fold_ox-middle_point_x)-middle_point_y*middle_point_y/(fold_ox-middle_point_x);
|
||||
right_arm_y=fold_oy;
|
||||
right_arm_x = fold_ox - (fold_ox - middle_point_x) - middle_point_y * middle_point_y / (fold_ox - middle_point_x);
|
||||
right_arm_y = fold_oy;
|
||||
|
||||
left_arm_x=fold_ox;
|
||||
left_arm_y=fold_oy-(fold_oy-middle_point_y)-(fold_ox-middle_point_x)*(fold_ox-middle_point_x)/(fold_oy-middle_point_y);
|
||||
left_arm_x = fold_ox;
|
||||
left_arm_y =
|
||||
fold_oy - (fold_oy - middle_point_y) - (fold_ox - middle_point_x) * (fold_ox - middle_point_x) / (fold_oy -
|
||||
middle_point_y);
|
||||
break;
|
||||
|
||||
case 2: //LU
|
||||
right_arm_x=fold_ox;
|
||||
right_arm_y=middle_point_y+middle_point_x*middle_point_x/middle_point_y;
|
||||
right_arm_x = fold_ox;
|
||||
right_arm_y = middle_point_y + middle_point_x * middle_point_x / middle_point_y;
|
||||
|
||||
left_arm_x=middle_point_x+middle_point_y*middle_point_y/middle_point_x;
|
||||
left_arm_y=fold_oy;
|
||||
left_arm_x = middle_point_x + middle_point_y * middle_point_y / middle_point_x;
|
||||
left_arm_y = fold_oy;
|
||||
break;
|
||||
|
||||
case 3: //LL
|
||||
right_arm_x=middle_point_x+(fold_oy-middle_point_y)*(fold_oy-middle_point_y)/middle_point_x;
|
||||
right_arm_y=fold_oy;
|
||||
right_arm_x = middle_point_x + (fold_oy - middle_point_y) * (fold_oy - middle_point_y) / middle_point_x;
|
||||
right_arm_y = fold_oy;
|
||||
|
||||
left_arm_x=fold_ox;
|
||||
left_arm_y=fold_oy-(fold_oy-middle_point_y)-(fold_ox-middle_point_x)*(fold_ox-middle_point_x)/(fold_oy-middle_point_y);
|
||||
left_arm_x = fold_ox;
|
||||
left_arm_y =
|
||||
fold_oy - (fold_oy - middle_point_y) - (fold_ox - middle_point_x) * (fold_ox - middle_point_x) / (fold_oy -
|
||||
middle_point_y);
|
||||
break;
|
||||
|
||||
case 4: //RL
|
||||
right_arm_x=fold_ox;
|
||||
right_arm_y=fold_oy-(fold_oy-middle_point_y)-(fold_ox-middle_point_x)*(fold_ox-middle_point_x)/(fold_oy-middle_point_y);
|
||||
right_arm_x = fold_ox;
|
||||
right_arm_y =
|
||||
fold_oy - (fold_oy - middle_point_y) - (fold_ox - middle_point_x) * (fold_ox - middle_point_x) / (fold_oy -
|
||||
middle_point_y);
|
||||
|
||||
left_arm_x=fold_ox-(fold_ox-middle_point_x)-(fold_oy-middle_point_y)*(fold_oy-middle_point_y)/(fold_ox-middle_point_x);
|
||||
left_arm_y=fold_oy;
|
||||
left_arm_x =
|
||||
fold_ox - (fold_ox - middle_point_x) - (fold_oy - middle_point_y) * (fold_oy - middle_point_y) / (fold_ox -
|
||||
middle_point_x);
|
||||
left_arm_y = fold_oy;
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
@ -479,30 +505,31 @@ void fold_preview(magic_api * api, int which, SDL_Surface * canvas,
|
|||
api->line((void *)api, which, canvas, snapshot, x, y, left_arm_x, left_arm_y, 1, fold_print_line);
|
||||
api->line((void *)api, which, canvas, snapshot, left_arm_x, left_arm_y, right_arm_x, right_arm_y, 1, fold_print_line);
|
||||
|
||||
update_rect->x=update_rect->y=0;
|
||||
update_rect->w=canvas->w;
|
||||
update_rect->h=canvas->h;
|
||||
update_rect->x = update_rect->y = 0;
|
||||
update_rect->w = canvas->w;
|
||||
update_rect->h = canvas->h;
|
||||
}
|
||||
|
||||
void fold_drag(magic_api * api, int which, SDL_Surface * canvas,
|
||||
SDL_Surface * snapshot, int ox, int oy, int x, int y,
|
||||
SDL_Rect * update_rect)
|
||||
SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Rect * update_rect)
|
||||
{
|
||||
// Avoid division by zero when calculating the preview
|
||||
x=clamp(2,x,canvas->w-2);
|
||||
y=clamp(2,y,canvas->h-2);
|
||||
x = clamp(2, x, canvas->w - 2);
|
||||
y = clamp(2, y, canvas->h - 2);
|
||||
fold_preview(api, which, canvas, snapshot, ox, oy, x, y, update_rect);
|
||||
}
|
||||
|
||||
void fold_switchin(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED)
|
||||
void fold_switchin(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
|
||||
SDL_Surface * canvas ATTRIBUTE_UNUSED)
|
||||
{
|
||||
}
|
||||
|
||||
void fold_switchout(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED)
|
||||
void fold_switchout(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
|
||||
SDL_Surface * canvas ATTRIBUTE_UNUSED)
|
||||
{
|
||||
}
|
||||
|
||||
int fold_modes(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
|
||||
{
|
||||
return(MODE_PAINT_WITH_PREVIEW);
|
||||
return (MODE_PAINT_WITH_PREVIEW);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue