diff options
author | N.N. <sevyves@users.sourceforge.net> | 2003-09-17 20:10:29 +0000 |
---|---|---|
committer | N.N. <sevyves@users.sourceforge.net> | 2003-09-17 20:10:29 +0000 |
commit | 5b9132d68a789f127c3ae19a92ef4e4b38955f73 (patch) | |
tree | 731a932f3e8a261e0ca27c6705446d73c15b5a22 /modules/pdp_imgloader.c | |
parent | d45a65e66ed9fd7f90ab621e00efe07989a7fa0b (diff) |
Updated for PiDiP 0.12.6
svn path=/trunk/externals/pidip/; revision=994
Diffstat (limited to 'modules/pdp_imgloader.c')
-rw-r--r-- | modules/pdp_imgloader.c | 416 |
1 files changed, 411 insertions, 5 deletions
diff --git a/modules/pdp_imgloader.c b/modules/pdp_imgloader.c index 13cae1e..fbc0714 100644 --- a/modules/pdp_imgloader.c +++ b/modules/pdp_imgloader.c @@ -28,8 +28,21 @@ #include <ctype.h> #include <Imlib2.h> // imlib2 is required +#define MAX_ZONES 20 + static char *pdp_imgloader_version = "pdp_imgloader: version 0.1 : image loading object written by ydegoyon@free.fr "; +typedef struct _triangle +{ + t_int used; + t_int x1, y1; + t_int x2, y2; + t_int x3, y3; + t_float a1, b1; + t_float a2, b2; + t_float a3, b3; +} t_triangle; + typedef struct pdp_imgloader_struct { t_object x_obj; @@ -56,6 +69,9 @@ typedef struct pdp_imgloader_struct t_float x_blend; + t_triangle x_hiddenzones[ MAX_ZONES ]; // hide these parts of the image + unsigned char *x_mask; + } t_pdp_imgloader; /* load an image */ @@ -67,6 +83,7 @@ static void pdp_imgloader_load(t_pdp_imgloader *x, t_symbol *filename, t_floatar if ( x->x_image != NULL ) { + imlib_context_set_image(x->x_image); imlib_free_image(); } x->x_image = imlib_load_image_with_error_return( filename->s_name, &imliberr ); @@ -103,15 +120,378 @@ static void pdp_imgloader_blend(t_pdp_imgloader *x, t_floatarg fblend ) } } -static void pdp_imgloader_clear(t_pdp_imgloader *x ) +static t_int pdp_imgloader_isinzone(t_pdp_imgloader *x, t_int px, t_int py, t_int index) { - if ( x->x_image != NULL ) + t_int c1=0, c2=0, c3=0; + + if ( !x->x_hiddenzones[index].used ) { - imlib_free_image(); + return 0; + } + if ( px < x->x_hiddenzones[index].x1 ) + { + return 0; + } + if ( px > x->x_hiddenzones[index].x3 ) + { + return 0; } + if ( py < x->x_hiddenzones[index].y1 && + py < x->x_hiddenzones[index].y2 && + py < x->x_hiddenzones[index].y3 ) + { + return 0; + } + if ( py > x->x_hiddenzones[index].y1 && + py > x->x_hiddenzones[index].y2 && + py > x->x_hiddenzones[index].y3 ) + { + return 0; + } + if ( ( ( x->x_hiddenzones[index].x2 - x->x_hiddenzones[index].x1 ) == 0 ) && + ( px >= x->x_hiddenzones[index].x1 ) ) + { + c1 = 1; + } + else + { + if ( x->x_hiddenzones[index].a1 == 0 ) + { + if ( ( x->x_hiddenzones[index].y3 >= x->x_hiddenzones[index].y1 ) && + ( py >= x->x_hiddenzones[index].y1 )) + { + c1 = 1; + } + if ( ( x->x_hiddenzones[index].y3 <= x->x_hiddenzones[index].y1 ) && + ( py <= x->x_hiddenzones[index].y1 )) + { + c1 = 1; + } + } + else + { + if ( ( ( (float) py ) - ( x->x_hiddenzones[index].a1*((float)px)+ x->x_hiddenzones[index].b1 ) )* + ( ( (float) x->x_hiddenzones[index].y3 ) - + ( x->x_hiddenzones[index].a1*((float)x->x_hiddenzones[index].x3)+ + x->x_hiddenzones[index].b1 ) ) >= 0.0 ) + { + c1 = 1; + } + } + } + if ( ( ( x->x_hiddenzones[index].x3 - x->x_hiddenzones[index].x2 ) == 0 ) && + ( px <= x->x_hiddenzones[index].x2 ) ) + { + c2 = 1; + } + else + { + if ( x->x_hiddenzones[index].a2 == 0 ) + { + if ( ( x->x_hiddenzones[index].y1 >= x->x_hiddenzones[index].y2 ) && + ( py >= x->x_hiddenzones[index].y2 )) + { + c2 = 1; + } + if ( ( x->x_hiddenzones[index].y1 <= x->x_hiddenzones[index].y2 ) && + ( py <= x->x_hiddenzones[index].y2 )) + { + c2 = 1; + } + } + else + { + if ( ( ( (float) py ) - ( x->x_hiddenzones[index].a2*((float)px)+ x->x_hiddenzones[index].b2 ) )* + ( ( (float) x->x_hiddenzones[index].y1 ) - + ( x->x_hiddenzones[index].a2*((float)x->x_hiddenzones[index].x1)+ + x->x_hiddenzones[index].b2 ) ) >= 0.0 ) + { + c2 = 1; + } + } + } + if ( ( ( x->x_hiddenzones[index].x3 - x->x_hiddenzones[index].x1 ) == 0 ) && + ( px >= x->x_hiddenzones[index].x1 ) ) + { + c3 = 1; + } + else + { + if ( x->x_hiddenzones[index].a3 == 0 ) + { + if ( ( x->x_hiddenzones[index].y2 >= x->x_hiddenzones[index].y1 ) && + ( py >= x->x_hiddenzones[index].y1 )) + { + c3 = 1; + } + if ( ( x->x_hiddenzones[index].y2 <= x->x_hiddenzones[index].y1 ) && + ( py <= x->x_hiddenzones[index].y1 )) + { + c3 = 1; + } + } + else + { + if ( ( ( (float) py ) - ( x->x_hiddenzones[index].a3*((float)px)+ x->x_hiddenzones[index].b3 ) )* + ( ( (float) x->x_hiddenzones[index].y2 ) - + ( x->x_hiddenzones[index].a3*((float)x->x_hiddenzones[index].x2)+ + x->x_hiddenzones[index].b3 ) ) >= 0.0 ) + { + c3 = 1; + } + } + } + + return c1 && c2 && c3; +} + +static t_int pdp_imgloader_ishidden(t_pdp_imgloader *x, t_int px, t_int py) +{ + t_int ti; + + for ( ti=0; ti<MAX_ZONES; ti++ ) + { + if ( x->x_hiddenzones[ti].used ) + { + if ( pdp_imgloader_isinzone( x, px, py, ti ) ) + { + return 1; + } + } + } + return 0; +} + +static void pdp_imgloader_update_mask(t_pdp_imgloader *x ) +{ + t_int px, py; + + for ( py=0; py<x->x_vheight; py++ ) + { + for ( px=0; px<x->x_vwidth; px++ ) + { + *(x->x_mask+py*x->x_vwidth+px) = (unsigned char) pdp_imgloader_ishidden( x, px, py ); + } + } +} + +static void pdp_imgloader_hide(t_pdp_imgloader *x, t_symbol *s, int argc, t_atom *argv) +{ + t_int ti; + t_float fx1, fy1, fx2, fy2, fx3, fy3; + + if ( argc != 6 ) + { + post( "pdp_imgloader : hide : wrong number of arguments : %d", argc ); + return; + } + if ( argv[0].a_type != A_FLOAT || argv[1].a_type != A_FLOAT || argv[2].a_type != A_FLOAT || + argv[3].a_type != A_FLOAT || argv[4].a_type != A_FLOAT || argv[5].a_type != A_FLOAT ) { + post( "pdp_imgloader : hide : wrong arguments" ); + return; + } + + fx1 = argv[0].a_w.w_float; + fy1 = argv[1].a_w.w_float; + fx2 = argv[2].a_w.w_float; + fy2 = argv[3].a_w.w_float; + fx3 = argv[4].a_w.w_float; + fy3 = argv[5].a_w.w_float; + + if ( ( (int)fx1 >= 0 ) && ( (int)fx1 < x->x_vwidth ) && + ( (int)fx2 >= 0 ) && ( (int)fx2 < x->x_vwidth ) && + ( (int)fx3 >= 0 ) && ( (int)fx3 < x->x_vwidth ) && + ( (int)fy1 >= 0 ) && ( (int)fy1 < x->x_vheight ) && + ( (int)fy2 >= 0 ) && ( (int)fy2 < x->x_vheight ) && + ( (int)fy3 >= 0 ) && ( (int)fy3 < x->x_vheight ) ) + { + post( "pdp_imgloader : hide : coordinates : %d %d %d %d %d %d", + (int)fx1, (int)fy1, (int)fx2, (int)fy2, (int)fx3, (int)fy3 ); + for ( ti=0; ti<MAX_ZONES; ti++ ) + { + if ( !x->x_hiddenzones[ti].used ) + { + x->x_hiddenzones[ti].used = 1; + if ( (int) fx1 < (int) fx2 ) + { + if ( (int) fx2 < (int) fx3 ) + { + x->x_hiddenzones[ti].x1 = (int) fx1; + x->x_hiddenzones[ti].y1 = (int) fy1; + x->x_hiddenzones[ti].x2 = (int) fx2; + x->x_hiddenzones[ti].y2 = (int) fy2; + x->x_hiddenzones[ti].x3 = (int) fx3; + x->x_hiddenzones[ti].y3 = (int) fy3; + } + else + { + if ( (int) fx3 < (int) fx1 ) + { + x->x_hiddenzones[ti].x1 = (int) fx3; + x->x_hiddenzones[ti].y1 = (int) fy3; + x->x_hiddenzones[ti].x2 = (int) fx1; + x->x_hiddenzones[ti].y2 = (int) fy1; + x->x_hiddenzones[ti].x3 = (int) fx2; + x->x_hiddenzones[ti].y3 = (int) fy2; + } + else + { + x->x_hiddenzones[ti].x1 = (int) fx1; + x->x_hiddenzones[ti].y1 = (int) fy1; + x->x_hiddenzones[ti].x2 = (int) fx3; + x->x_hiddenzones[ti].y2 = (int) fy3; + x->x_hiddenzones[ti].x3 = (int) fx2; + x->x_hiddenzones[ti].y3 = (int) fy2; + } + } + } + else + { + if ( (int) fx2 < (int) fx3 ) + { + if ( (int) fx3 < (int) fx1 ) + { + x->x_hiddenzones[ti].x1 = (int) fx2; + x->x_hiddenzones[ti].y1 = (int) fy2; + x->x_hiddenzones[ti].x2 = (int) fx3; + x->x_hiddenzones[ti].y2 = (int) fy3; + x->x_hiddenzones[ti].x3 = (int) fx1; + x->x_hiddenzones[ti].y3 = (int) fy1; + } + else + { + x->x_hiddenzones[ti].x1 = (int) fx2; + x->x_hiddenzones[ti].y1 = (int) fy2; + x->x_hiddenzones[ti].x2 = (int) fx1; + x->x_hiddenzones[ti].y2 = (int) fy1; + x->x_hiddenzones[ti].x3 = (int) fx3; + x->x_hiddenzones[ti].y3 = (int) fy3; + } + } + else + { + x->x_hiddenzones[ti].x1 = (int) fx3; + x->x_hiddenzones[ti].y1 = (int) fy3; + x->x_hiddenzones[ti].x2 = (int) fx2; + x->x_hiddenzones[ti].y2 = (int) fy2; + x->x_hiddenzones[ti].x3 = (int) fx1; + x->x_hiddenzones[ti].y3 = (int) fy1; + } + } + post( "pdp_imgloader : hiding : [%d,%d]/[%d,%d]/[%d,%d], ", + x->x_hiddenzones[ti].x1, x->x_hiddenzones[ti].y1, + x->x_hiddenzones[ti].x2, x->x_hiddenzones[ti].y2, + x->x_hiddenzones[ti].x3, x->x_hiddenzones[ti].y3 ); + if ( (x->x_hiddenzones[ti].x2-x->x_hiddenzones[ti].x1) != 0 ) + { + x->x_hiddenzones[ti].a1 = + ( ( (float) x->x_hiddenzones[ti].y2 ) - ( (float) x->x_hiddenzones[ti].y1 ) ) / + ( ( (float) x->x_hiddenzones[ti].x2 ) - ( (float) x->x_hiddenzones[ti].x1 ) ); + x->x_hiddenzones[ti].b1 = + ( ( (float) x->x_hiddenzones[ti].y1 )*( (float) x->x_hiddenzones[ti].x2 ) - + ( (float) x->x_hiddenzones[ti].y2 )*( (float) x->x_hiddenzones[ti].x1 ) ) / + ( ( (float) x->x_hiddenzones[ti].x2 ) - ( (float) x->x_hiddenzones[ti].x1 ) ); + } + if ( (x->x_hiddenzones[ti].x2-x->x_hiddenzones[ti].x3) != 0 ) + { + x->x_hiddenzones[ti].a2 = + ( ( (float) x->x_hiddenzones[ti].y3 ) - ( (float) x->x_hiddenzones[ti].y2 ) ) / + ( ( (float) x->x_hiddenzones[ti].x3 ) - ( (float) x->x_hiddenzones[ti].x2 ) ); + x->x_hiddenzones[ti].b2 = + ( ( (float) x->x_hiddenzones[ti].y3 )*( (float) x->x_hiddenzones[ti].x2 ) - + ( (float) x->x_hiddenzones[ti].y2 )*( (float) x->x_hiddenzones[ti].x3 ) ) / + ( ( (float) x->x_hiddenzones[ti].x2 ) - ( (float) x->x_hiddenzones[ti].x3 ) ); + } + if ( (x->x_hiddenzones[ti].x3-x->x_hiddenzones[ti].x1) != 0 ) + { + x->x_hiddenzones[ti].a3 = + ( ( (float) x->x_hiddenzones[ti].y3 ) - ( (float) x->x_hiddenzones[ti].y1 ) ) / + ( ( (float) x->x_hiddenzones[ti].x3 ) - ( (float) x->x_hiddenzones[ti].x1 ) ); + x->x_hiddenzones[ti].b3 = + ( ( (float) x->x_hiddenzones[ti].y1 )*( (float) x->x_hiddenzones[ti].x3 ) - + ( (float) x->x_hiddenzones[ti].y3 )*( (float) x->x_hiddenzones[ti].x1 ) ) / + ( ( (float) x->x_hiddenzones[ti].x3 ) - ( (float) x->x_hiddenzones[ti].x1 ) ); + } + post( "pdp_imgloader : hiding : a1=%f b1=%f", + x->x_hiddenzones[ti].a1, x->x_hiddenzones[ti].b1 ); + post( "pdp_imgloader : hiding : a2=%f b2=%f", + x->x_hiddenzones[ti].a2, x->x_hiddenzones[ti].b2 ); + post( "pdp_imgloader : hiding : a3=%f b3=%f", + x->x_hiddenzones[ti].a3, x->x_hiddenzones[ti].b3 ); + pdp_imgloader_update_mask( x ); + return; + } + if ( x->x_hiddenzones[ti].used && ( ti == MAX_ZONES-1 ) ) + { + post( "pdp_imgloader : hidden zones table is full" ); + return; + } + } + } + else + { + post( "pdp_imgloader : hide : wrong coordinates : %d %d %d %d %d %d (width=%d) (height=%d)", + (int)fx1, (int)fy1, (int)fx2, (int)fy2, (int)fx3, (int)fy3, x->x_vwidth, x->x_vheight ); + return; + } +} + +static void pdp_imgloader_rawhide(t_pdp_imgloader *x, t_symbol *s, int argc, t_atom *argv) +{ + if ( (x->x_vwidth == 0) || ( x->x_vheight == 0 ) ) + { + post( "pdp_imgloader : rawhide : no video loaded" ); + return; + } + + argv[0].a_w.w_float *= x->x_vwidth; + argv[1].a_w.w_float *= x->x_vheight; + argv[2].a_w.w_float *= x->x_vwidth; + argv[3].a_w.w_float *= x->x_vheight; + argv[4].a_w.w_float *= x->x_vwidth; + argv[5].a_w.w_float *= x->x_vheight; + + post( "pdp_imgloader : rawhide : coordinates : %f %f %f %f %f %f (width=%d) (height=%d)", + argv[0].a_w.w_float, argv[1].a_w.w_float, argv[2].a_w.w_float, + argv[3].a_w.w_float, argv[4].a_w.w_float, argv[5].a_w.w_float, + x->x_vwidth, x->x_vheight ); + + pdp_imgloader_hide( x, s, argc, argv ); +} + +static void pdp_imgloader_unhide(t_pdp_imgloader *x, t_floatarg findex ) +{ + if ( ( (int) findex < 0 ) || ( (int) findex >= MAX_ZONES ) ) + { + post( "pdp_imgloader : unhide : wrong index" ); + return; + } + x->x_hiddenzones[(int)findex].used = 0; + pdp_imgloader_update_mask( x ); +} + +static void pdp_imgloader_clear(t_pdp_imgloader *x ) +{ + //if ( x->x_image != NULL ) + //{ + // imlib_free_image(); + //} x->x_image = NULL; } +static void pdp_imgloader_free_ressources(t_pdp_imgloader *x ) +{ + if ( x->x_mask != NULL ) + { + freebytes( x->x_mask, x->x_vsize ); + } +} + +static void pdp_imgloader_allocate(t_pdp_imgloader *x ) +{ + x->x_mask = (unsigned char*)getbytes( x->x_vsize ); +} + static void pdp_imgloader_process_yv12(t_pdp_imgloader *x) { t_pdp *header = pdp_packet_header(x->x_packet0); @@ -126,9 +506,11 @@ static void pdp_imgloader_process_yv12(t_pdp_imgloader *x) if ( ( (int)(header->info.image.width) != x->x_vwidth ) || ( (int)(header->info.image.height) != x->x_vheight ) ) { + pdp_imgloader_free_ressources( x ); x->x_vwidth = header->info.image.width; x->x_vheight = header->info.image.height; x->x_vsize = x->x_vwidth*x->x_vheight; + pdp_imgloader_allocate( x ); } newheader->info.image.encoding = header->info.image.encoding; @@ -137,6 +519,7 @@ static void pdp_imgloader_process_yv12(t_pdp_imgloader *x) memcpy( newdata, data, (x->x_vsize+(x->x_vsize>>1))<<1 ); + if ( x->x_image != NULL ) imlib_context_set_image(x->x_image); pY = newdata; pV = newdata+x->x_vsize; pU = newdata+x->x_vsize+(x->x_vsize>>2); @@ -147,6 +530,7 @@ static void pdp_imgloader_process_yv12(t_pdp_imgloader *x) if ( ( x->x_image != NULL ) && (px >= x->x_xoffset) && ( px < x->x_xoffset + x->x_iwidth ) && (py >= x->x_yoffset) && ( py < x->x_yoffset + x->x_iheight ) + && ( !(*(x->x_mask+py*x->x_vwidth+px)) ) ) { y = yuv_RGBtoY(x->x_imdata[(py-x->x_yoffset)*x->x_iwidth+(px-x->x_xoffset)]); @@ -171,6 +555,17 @@ static void pdp_imgloader_process_yv12(t_pdp_imgloader *x) *(pU) = (int)((1-factor)*(*(pU)) + factor*((u-128)<<8)); } } + // paint it white ( for debugging ) + /* + if ( ( abs( py - x->x_hiddenzones[0].a1*px - x->x_hiddenzones[0].b1 ) < 0.1 ) || + ( abs( py - x->x_hiddenzones[0].a2*px - x->x_hiddenzones[0].b2 ) < 0.1 ) || + ( abs( py - x->x_hiddenzones[0].a3*px - x->x_hiddenzones[0].b3 ) < 0.1 ) ) + { + *(pY) = (0xff<<7); + *(pU) = (0xff<<8); + *(pV) = (0xff<<8); + } + */ pY++; if ( (px%2==0) && (py%2==0) ) { @@ -245,6 +640,7 @@ static void pdp_imgloader_free(t_pdp_imgloader *x) { int i; + pdp_imgloader_free_ressources(x); pdp_queue_finish(x->x_queue_id); pdp_packet_mark_unused(x->x_packet0); } @@ -253,7 +649,7 @@ t_class *pdp_imgloader_class; void *pdp_imgloader_new(void) { - int i; + int ti; t_pdp_imgloader *x = (t_pdp_imgloader *)pd_new(pdp_imgloader_class); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("xoffset")); @@ -267,6 +663,12 @@ void *pdp_imgloader_new(void) x->x_image = NULL; x->x_blend = 1; + x->x_mask = NULL; + + for ( ti=0; ti<MAX_ZONES; ti++ ) + { + x->x_hiddenzones[ti].used = 0; + } return (void *)x; } @@ -281,7 +683,7 @@ extern "C" void pdp_imgloader_setup(void) { - post( pdp_imgloader_version ); + // post( pdp_imgloader_version ); pdp_imgloader_class = class_new(gensym("pdp_imgloader"), (t_newmethod)pdp_imgloader_new, (t_method)pdp_imgloader_free, sizeof(t_pdp_imgloader), 0, A_NULL); @@ -292,6 +694,10 @@ void pdp_imgloader_setup(void) class_addmethod(pdp_imgloader_class, (t_method)pdp_imgloader_xoffset, gensym("xoffset"), A_DEFFLOAT, A_NULL); class_addmethod(pdp_imgloader_class, (t_method)pdp_imgloader_yoffset, gensym("yoffset"), A_DEFFLOAT, A_NULL); class_addmethod(pdp_imgloader_class, (t_method)pdp_imgloader_blend, gensym("blend"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_imgloader_class, (t_method)pdp_imgloader_hide, gensym("hide"), A_GIMME, A_NULL); + class_addmethod(pdp_imgloader_class, (t_method)pdp_imgloader_rawhide, gensym("rawhide"), A_GIMME, A_NULL); + class_addmethod(pdp_imgloader_class, (t_method)pdp_imgloader_unhide, gensym("unhide"), A_DEFFLOAT, A_NULL); + class_sethelpsymbol( pdp_imgloader_class, gensym("pdp_imgloader.pd") ); } |