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indent mosaic.c

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This commit is contained in:
Bill Kendrick 2017-10-15 11:48:02 -07:00
parent 18be491419
commit bd18815216
1 changed files with 237 additions and 225 deletions
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174
magic/src/mosaic.c
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@ -57,17 +57,10 @@ int mosaic_get_tool_count(magic_api *);
SDL_Surface *mosaic_get_icon(magic_api *, int);
char *mosaic_get_name(magic_api *, int);
char *mosaic_get_description(magic_api *, int, int);
void mosaic_paint(void *, int, SDL_Surface *,
SDL_Surface *, int, int);
void mosaic_drag(magic_api *, int, SDL_Surface *,
SDL_Surface *, int, int, int, int,
SDL_Rect *);
void mosaic_click(magic_api *, int, int,
SDL_Surface *, SDL_Surface *,
int, int, SDL_Rect *);
void mosaic_release(magic_api *, int,
SDL_Surface *, SDL_Surface *,
int, int, SDL_Rect *);
void mosaic_paint(void *, int, SDL_Surface *, SDL_Surface *, int, int);
void mosaic_drag(magic_api *, int, SDL_Surface *, SDL_Surface *, int, int, int, int, SDL_Rect *);
void mosaic_click(magic_api *, int, int, SDL_Surface *, SDL_Surface *, int, int, SDL_Rect *);
void mosaic_release(magic_api *, int, SDL_Surface *, SDL_Surface *, int, int, SDL_Rect *);
void mosaic_shutdown(magic_api *);
void mosaic_set_color(magic_api *, Uint8, Uint8, Uint8);
int mosaic_requires_colors(magic_api *, int);
@ -80,7 +73,8 @@ static const int mosaic_RADIUS = 16;
static const double mosaic_SHARPEN = 1.0;
static int randnoise ATTRIBUTE_UNUSED;
Uint8 *mosaic_blured;
enum {
enum
{
TOOL_MOSAIC,
mosaic_NUM_TOOLS
};
@ -93,26 +87,34 @@ static SDL_Surface * canvas_sharp;
const char *mosaic_snd_filenames[mosaic_NUM_TOOLS] = {
"mosaic.ogg", /* FIXME */
};
const char *mosaic_icon_filenames[mosaic_NUM_TOOLS] = {
"mosaic.png",
};
const char *mosaic_names[mosaic_NUM_TOOLS] = {
gettext_noop("Mosaic"),
};
const char *mosaic_descs[mosaic_NUM_TOOLS][2] = {
{gettext_noop("Click and drag the mouse to add a mosaic effect to parts of your picture."),
gettext_noop("Click to add a mosaic effect to your entire picture."),},
};
Uint32 mosaic_api_version(void) { return(TP_MAGIC_API_VERSION); }
Uint32 mosaic_api_version(void)
{
return (TP_MAGIC_API_VERSION);
}
//Load sounds
int mosaic_init(magic_api * api){
int mosaic_init(magic_api * api)
{
int i;
char fname[1024];
for (i = 0; i < mosaic_NUM_TOOLS; i++){
for (i = 0; i < mosaic_NUM_TOOLS; i++)
{
snprintf(fname, sizeof(fname), "%s/sounds/magic/%s", api->data_directory, mosaic_snd_filenames[i]);
mosaic_snd_effect[i] = Mix_LoadWAV(fname);
}
@ -120,46 +122,49 @@ int mosaic_init(magic_api * api){
return (1);
}
int mosaic_get_tool_count(magic_api * api ATTRIBUTE_UNUSED){
int mosaic_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
{
return (mosaic_NUM_TOOLS);
}
// Load our icons:
SDL_Surface * mosaic_get_icon(magic_api * api, int which){
SDL_Surface *mosaic_get_icon(magic_api * api, int which)
{
char fname[1024];
snprintf(fname, sizeof(fname), "%simages/magic/%s", api->data_directory, mosaic_icon_filenames[which]);
return (IMG_Load(fname));
}
// Return our names, localized:
char * mosaic_get_name(magic_api * api ATTRIBUTE_UNUSED, int which){
char *mosaic_get_name(magic_api * api ATTRIBUTE_UNUSED, int which)
{
return (strdup(gettext_noop(mosaic_names[which])));
}
// Return our descriptions, localized:
char * mosaic_get_description(magic_api * api ATTRIBUTE_UNUSED,
int which, int mode){
char *mosaic_get_description(magic_api * api ATTRIBUTE_UNUSED, int which, int mode)
{
return (strdup(gettext_noop(mosaic_descs[which][mode - 1])));
}
//Calculates the grey scale value for a rgb pixel
static int mosaic_grey(Uint8 r1,Uint8 g1,Uint8 b1){
static int mosaic_grey(Uint8 r1, Uint8 g1, Uint8 b1)
{
return 0.3 * r1 + .59 * g1 + 0.11 * b1;
}
// Do the effect for the full image
static void do_mosaic_full(void *ptr, SDL_Surface * canvas,
SDL_Surface * last ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED){
SDL_Surface * last ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
magic_api *api = (magic_api *) ptr;
int x, y;
Uint32 amask = ~(canvas->format->Rmask |
canvas->format->Gmask |
canvas->format->Bmask);
SDL_Surface * mosaic_temp =
SDL_CreateRGBSurface(SDL_SWSURFACE,
Uint32 amask = ~(canvas->format->Rmask | canvas->format->Gmask | canvas->format->Bmask);
SDL_Surface *mosaic_temp = SDL_CreateRGBSurface(SDL_SWSURFACE,
canvas->w,
canvas->h,
canvas->format->BitsPerPixel,
@ -171,17 +176,21 @@ Uint32 amask = ~(canvas->format->Rmask |
api->update_progress_bar();
for (y = 0; y < canvas->h; y++){
for (y = 0; y < canvas->h; y++)
{
for (x=0; x < canvas->w; x++){
for (x = 0; x < canvas->w; x++)
{
mosaic_blur_pixel(api, mosaic_temp, canvas_noise, x, y);
}
}
api->update_progress_bar();
for (y = 0; y < canvas->h; y++){
for (x=0; x < canvas->w; x++){
for (y = 0; y < canvas->h; y++)
{
for (x = 0; x < canvas->w; x++)
{
mosaic_sharpen_pixel(api, canvas, mosaic_temp, x, y);
}
}
@ -191,8 +200,7 @@ Uint32 amask = ~(canvas->format->Rmask |
/* Paint the brush, noise is yet done at switchin,
blurs 2 pixels around the brush in order to get sharpen well done.*/
void mosaic_paint(void *ptr_to_api, int which ATTRIBUTE_UNUSED,
SDL_Surface * canvas, SDL_Surface * last ATTRIBUTE_UNUSED,
int x, int y)
SDL_Surface * canvas, SDL_Surface * last ATTRIBUTE_UNUSED, int x, int y)
{
int i, j, pix_row_pos;
@ -202,8 +210,7 @@ void mosaic_paint(void * ptr_to_api, int which ATTRIBUTE_UNUSED,
{
pix_row_pos = j * canvas->w;
for (i = max(0, x - mosaic_RADIUS - 2); i < min(canvas->w, x + mosaic_RADIUS + 2); i++)
if( !mosaic_blured[pix_row_pos + i] &&
api->in_circle(i - x,j - y, mosaic_RADIUS + 2))
if (!mosaic_blured[pix_row_pos + i] && api->in_circle(i - x, j - y, mosaic_RADIUS + 2))
{
mosaic_blur_pixel(api, canvas_blur, canvas_noise, i, j);
mosaic_blured[pix_row_pos + i] = 1; /* Track what are yet blured */
@ -222,8 +229,8 @@ for (i = x - mosaic_RADIUS; i < x + mosaic_RADIUS; i++)
// Affect the canvas on drag:
void mosaic_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * last, int ox, int oy, int x, int y,
SDL_Rect * update_rect){
SDL_Surface * last, int ox, int oy, int x, int y, SDL_Rect * update_rect)
{
api->line(api, which, canvas, last, ox, oy, x, y, 1, mosaic_paint);
update_rect->x = min(ox, x) - mosaic_RADIUS;
@ -236,8 +243,8 @@ void mosaic_drag(magic_api * api, int which, SDL_Surface * canvas,
// Affect the canvas on click:
void mosaic_click(magic_api * api, int which, int mode,
SDL_Surface * canvas, SDL_Surface * last,
int x, int y, SDL_Rect * update_rect){
SDL_Surface * canvas, SDL_Surface * last, int x, int y, SDL_Rect * update_rect)
{
if (mode == MODE_FULLSCREEN)
{
@ -260,8 +267,7 @@ void mosaic_release(magic_api * api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED,
SDL_Surface * last 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)
{
}
@ -270,8 +276,11 @@ void mosaic_shutdown(magic_api * api ATTRIBUTE_UNUSED)
{
//Clean up sounds
int i;
for(i=0; i<mosaic_NUM_TOOLS; i++){
if(mosaic_snd_effect[i] != NULL){
for (i = 0; i < mosaic_NUM_TOOLS; i++)
{
if (mosaic_snd_effect[i] != NULL)
{
Mix_FreeChunk(mosaic_snd_effect[i]);
}
}
@ -279,20 +288,19 @@ void mosaic_shutdown(magic_api * api ATTRIBUTE_UNUSED)
// Record the color from Tux Paint:
void mosaic_set_color(magic_api * api ATTRIBUTE_UNUSED,
Uint8 r ATTRIBUTE_UNUSED, Uint8 g ATTRIBUTE_UNUSED,
Uint8 b ATTRIBUTE_UNUSED)
Uint8 r ATTRIBUTE_UNUSED, Uint8 g ATTRIBUTE_UNUSED, Uint8 b ATTRIBUTE_UNUSED)
{
}
// Use colors:
int mosaic_requires_colors(magic_api * api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED)
int mosaic_requires_colors(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return 0;
}
//Add noise to a pixel
static void mosaic_noise_pixel(void * ptr, SDL_Surface * canvas, int noise_AMOUNT, int x, int y){
static void mosaic_noise_pixel(void *ptr, SDL_Surface * canvas, int noise_AMOUNT, int x, int y)
{
magic_api *api = (magic_api *) ptr;
Uint8 temp[3];
@ -300,48 +308,56 @@ static void mosaic_noise_pixel(void * ptr, SDL_Surface * canvas, int noise_AMOUN
int k;
SDL_GetRGB(api->getpixel(canvas, x, y), canvas->format, &temp[0], &temp[1], &temp[2]);
for (k =0;k<3;k++){
for (k = 0; k < 3; k++)
{
temp2[k] = clamp(0.0, (int)temp[k] - (rand() % noise_AMOUNT) + noise_AMOUNT / 2.0, 255.0);
}
api->putpixel(canvas, x, y, SDL_MapRGB(canvas->format, temp2[0], temp2[1], temp2[2]));
}
//Blur a pixel
static void mosaic_blur_pixel(void * ptr, SDL_Surface * canvas, SDL_Surface * last, int x, int y){
static void mosaic_blur_pixel(void *ptr, SDL_Surface * canvas, SDL_Surface * last, int x, int y)
{
magic_api *api = (magic_api *) ptr;
int i, j, k;
Uint8 temp[3];
double blurValue[3];
//5x5 gaussiann weighting window
const int weight[5][5] = { {1, 4, 7, 4, 1},
{4, 16, 26, 16, 4},
{7, 26, 41, 26, 7},
{4, 16, 26, 16, 4},
{1,4,7,4,1}};
{1, 4, 7, 4, 1}
};
for (k =0;k<3;k++){
for (k = 0; k < 3; k++)
{
blurValue[k] = 0;
}
for (i=-2;i<3;i++){
for (j=-2;j<3;j++){
for (i = -2; i < 3; i++)
{
for (j = -2; j < 3; j++)
{
//Add the pixels around the current one wieghted
SDL_GetRGB(api->getpixel(last, x + i, y + j), last->format, &temp[0], &temp[1], &temp[2]);
for (k =0;k<3;k++){
for (k = 0; k < 3; k++)
{
blurValue[k] += temp[k] * weight[i + 2][j + 2];
}
}
}
for (k =0;k<3;k++){
for (k = 0; k < 3; k++)
{
blurValue[k] /= 273;
}
api->putpixel(canvas, x, y, SDL_MapRGB(canvas->format, blurValue[0], blurValue[1], blurValue[2]));
}
//Sharpen a pixel
static void mosaic_sharpen_pixel(void * ptr,
SDL_Surface * canvas, SDL_Surface * last,
int x, int y){
static void mosaic_sharpen_pixel(void *ptr, SDL_Surface * canvas, SDL_Surface * last, int x, int y)
{
magic_api *api = (magic_api *) ptr;
@ -354,15 +370,19 @@ static void mosaic_sharpen_pixel(void * ptr,
//Sobel weighting masks
const int sobel_weights_1[3][3] = { {1, 2, 1},
{0, 0, 0},
{-1,-2,-1}};
{-1, -2, -1}
};
const int sobel_weights_2[3][3] = { {-1, 0, 1},
{-2, 0, 2},
{-1,0,1}};
{-1, 0, 1}
};
sobel_1 = 0;
sobel_2 = 0;
for (i=-1;i<2;i++){
for(j=-1; j<2; j++){
for (i = -1; i < 2; i++)
{
for (j = -1; j < 2; j++)
{
//No need to check if inside canvas, getpixel does it for us.
SDL_GetRGB(api->getpixel(last, x + i, y + j), last->format, &r1, &g1, &b1);
grey = mosaic_grey(r1, g1, b1);
@ -381,8 +401,7 @@ static void mosaic_sharpen_pixel(void * ptr,
}
void mosaic_switchin(magic_api * api, int which ATTRIBUTE_UNUSED,
int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas)
void mosaic_switchin(magic_api * api, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas)
{
int y, x;
Uint32 amask;
@ -394,22 +413,20 @@ void mosaic_switchin(magic_api * api, int which ATTRIBUTE_UNUSED,
exit(1);
}
amask = ~(canvas->format->Rmask |
canvas->format->Gmask |
canvas->format->Bmask);
amask = ~(canvas->format->Rmask | canvas->format->Gmask | canvas->format->Bmask);
canvas_noise = SDL_CreateRGBSurface(SDL_SWSURFACE,
canvas->w,
canvas->h,
canvas->format->BitsPerPixel,
canvas->format->Rmask,
canvas->format->Gmask,
canvas->format->Bmask, amask);
canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask, amask);
SDL_BlitSurface(canvas, NULL, canvas_noise, NULL);
for (y = 0; y < canvas->h; y++){
for (x=0; x < canvas->w; x++){
for (y = 0; y < canvas->h; y++)
{
for (x = 0; x < canvas->w; x++)
{
mosaic_noise_pixel(api, canvas_noise, mosaic_AMOUNT, x, y);
}
}
@ -418,23 +435,18 @@ void mosaic_switchin(magic_api * api, int which ATTRIBUTE_UNUSED,
canvas->w,
canvas->h,
canvas->format->BitsPerPixel,
canvas->format->Rmask,
canvas->format->Gmask,
canvas->format->Bmask, amask);
canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask, amask);
canvas_sharp = SDL_CreateRGBSurface(SDL_SWSURFACE,
canvas->w,
canvas->h,
canvas->format->BitsPerPixel,
canvas->format->Rmask,
canvas->format->Gmask,
canvas->format->Bmask, amask);
canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask, amask);
reset_mosaic_blured(canvas);
}
void mosaic_switchout(magic_api * api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED)
int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED)
{
SDL_FreeSurface(canvas_noise);
SDL_FreeSurface(canvas_blur);