#help_index "Graphics"
public I64 GrFillPoly3(CDC *dc=gr.dc,I64 n,CD3I32 *poly)
{//3D. Must be convex.
//Returns cnt of pixs changed
CD3I32 tri[3];
I64 i,j,x,y,z,res=0;
if (n<3) return 0;
if (dc->flags & DCF_SYMMETRY) {
for (i=1;i<n-1;i++) {
j=i-1;
if (i==1) {
x=poly[j].x; y=poly[j].y; z=poly[j].z;
if (dc->flags&DCF_TRANSFORMATION)
(*dc->transform)(dc,&x,&y,&z);
DCReflect(dc,&x,&y,&z);
tri[0].x=x; tri[0].y=y; tri[0].z=z;
}
j++;
if (i==1) {
x=poly[j].x; y=poly[j].y; z=poly[j].z;
if (dc->flags&DCF_TRANSFORMATION)
(*dc->transform)(dc,&x,&y,&z);
DCReflect(dc,&x,&y,&z);
}
tri[1].x=x; tri[1].y=y; tri[1].z=z;
j++;
x=poly[j].x; y=poly[j].y; z=poly[j].z;
if (dc->flags&DCF_TRANSFORMATION)
(*dc->transform)(dc,&x,&y,&z);
DCReflect(dc,&x,&y,&z);
tri[2].x=x; tri[2].y=y; tri[2].z=z;
res+=GrFillTri0(dc,&tri[0],&tri[1],&tri[2]);
}
}
if (dc->flags&DCF_JUST_MIRROR)
return res;
for (i=1;i<n-1;i++) {
j=i-1;
if (i==1) {
x=poly[j].x; y=poly[j].y; z=poly[j].z;
if (dc->flags&DCF_TRANSFORMATION)
(*dc->transform)(dc,&x,&y,&z);
tri[0].x=x; tri[0].y=y; tri[0].z=z;
}
j++;
if (i==1) {
x=poly[j].x; y=poly[j].y; z=poly[j].z;
if (dc->flags&DCF_TRANSFORMATION)
(*dc->transform)(dc,&x,&y,&z);
}
tri[1].x=x; tri[1].y=y; tri[1].z=z;
j++;
x=poly[j].x; y=poly[j].y; z=poly[j].z;
if (dc->flags&DCF_TRANSFORMATION)
(*dc->transform)(dc,&x,&y,&z);
tri[2].x=x; tri[2].y=y; tri[2].z=z;
res+=GrFillTri0(dc,&tri[0],&tri[1],&tri[2]);
}
return res;
}
public I64 GrRectB(CDC *dc=gr.dc,I64 x1,I64 y1,I64 x2,I64 y2)
{//2D. Two point. Clipping but not transformation.
if (x2<x1) SwapI64(&x1,&x2);
if (y2<y1) SwapI64(&y1,&y2);
return GrRect(dc,x1,y1,x2-x1+1,y2-y1+1);
}
public I64 GrRect3(CDC *dc=gr.dc,I64 x,I64 y,I64 z,I64 w,I64 h)
{//3D. Width Height. Clipping and transformation.
CD3I32 poly[4];
poly[0].x=x;
poly[0].y=y;
poly[0].z=z;
poly[1].x=x+w;
poly[1].y=y;
poly[1].z=z;
poly[2].x=x+w;
poly[2].y=y+h;
poly[2].z=z;
poly[3].x=x;
poly[3].y=y+h;
poly[3].z=z;
return GrFillPoly3(dc,4,poly);
}
public U0 GrBorder(CDC *dc=gr.dc,I64 x1,I64 y1,I64 x2,I64 y2,
I64 step=1,I64 start=0)
{//2D. Transformation with thick.
//Can be used with ROPF_DITHER+WHITE<<16+BLACK for dotted rect.
GrLine3(dc,x1,y1,0,x2,y1,0,step,start);
GrLine3(dc,x2,y1,0,x2,y2,0,step,start);
GrLine3(dc,x2,y2,0,x1,y2,0,step,start);
GrLine3(dc,x1,y2,0,x1,y1,0,step,start);
}
public Bool GrArrow3(CDC *dc=gr.dc,I64 x1,I64 y1,I64 z1,
I64 x2,I64 y2,I64 z2,F64 w=2.75,I64 step=1,I64 start=0)
{//3D. Transformation with thick.
I64 _x1,_y1,_z1,_x2,_y2,_z2,dx,dy;
F64 d;
Bool res=FALSE,was_transform=FALSE,was_symmetry=FALSE;
if (dc->flags & DCF_TRANSFORMATION) {
(*dc->transform)(dc,&x1,&y1,&z1);
(*dc->transform)(dc,&x2,&y2,&z2);
dc->flags&=~DCF_TRANSFORMATION;
was_transform=TRUE;
}
if (dc->flags & DCF_SYMMETRY) {
_x1=x1; _y1=y1; _z1=z1;
DCReflect(dc,&_x1,&_y1,&_z1);
_x2=x2; _y2=y2; _z2=z2;
DCReflect(dc,&_x2,&_y2,&_z2);
dc->flags&=~DCF_SYMMETRY;
res=Line(dc,_x1,_y1,_z1,_x2,_y2,_z2,&GrPlot3,step,start);
dx=_x2-_x1; dy=_y2-_y1;
if (d=Sqrt(dx*dx+dy*dy)) {
d=w*dc->thick/d;
res|=Line(dc,_x2-dx*d+dy*d+0.5,_y2-dy*d-dx*d+0.5,_z2,
_x2,_y2,_z2,&GrPlot3,step);
res|=Line(dc,_x2-dx*d-dy*d+0.5,_y2-dy*d+dx*d+0.5,_z2,
_x2,_y2,_z2,&GrPlot3,step);
}
was_symmetry=TRUE;
if (dc->flags&DCF_JUST_MIRROR)
goto gr_done;
}
res|=Line(dc,x1,y1,z1,x2,y2,z2,&GrPlot3,step,start);
dx=x2-x1; dy=y2-y1;
if (d=Sqrt(dx*dx+dy*dy)) {
d=w*dc->thick/d;
res|=Line(dc,x2-dx*d+dy*d+0.5,y2-dy*d-dx*d+0.5,z2,
x2,y2,z2,&GrPlot3,step);
res|=Line(dc,x2-dx*d-dy*d+0.5,y2-dy*d+dx*d+0.5,z2,
x2,y2,z2,&GrPlot3,step);
}
gr_done:
if (was_transform)
dc->flags|=DCF_TRANSFORMATION;
if (was_symmetry)
dc->flags|=DCF_SYMMETRY;
return res;
}
#help_index "Graphics/Char;Char/Graphics"
public Bool GrTextBox3(CDC *dc=gr.dc,I64 x1,I64 y1,I64 z1,U8 *s,I64 border=2)
{//3D. Transformation. DCF_SYMMETRY is silly.
U8 *ptr;
I64 ch,res,w,w_max,h;
if (!s) return FALSE;
ptr=s;
w=0; w_max=0; h=FONT_HEIGHT;
if (dc->flags & DCF_TRANSFORMATION)
(*dc->transform)(dc,&x1,&y1,&z1);
while (ch=*ptr++) {
if (ch=='\t')
w=CeilU64(w+FONT_WIDTH,FONT_WIDTH*8);
else if (ch=='\n') {
if (w>w_max) w_max=w;
w=0;
h+=FONT_HEIGHT;
} else
w+=FONT_WIDTH;
}
if (w>w_max) w_max=w;
res=GrPrint(dc,x1,y1,"%s",s);
res|=GrLine(dc,x1-border ,y1-border ,x1+w_max+border,y1-border);
res|=GrLine(dc,x1-border ,y1+h+border,x1+w_max+border,y1+h+border);
res|=GrLine(dc,x1-border ,y1-border ,x1-border,y1+h+border);
res|=GrLine(dc,x1+w_max+border,y1-border ,x1+w_max+border,y1+h+border);
return ToBool(res);
}
#define DIAMOND_SLOPE_MAX 2.75
public Bool GrTextDiamond3(CDC *dc=gr.dc,
I64 x1,I64 y1,I64 z1,U8 *_s,I64 border=2)
{//3D. Transformation. DCF_SYMMETRY is silly.
Bool first=TRUE;
U8 ch,*ptr,*ptr_end,*st,*s;
I64 res=0,y,dx,dy,dx_old,dy_old,w,h=FONT_HEIGHT;
F64 m;
if (!_s) return FALSE;
if (dc->flags & DCF_TRANSFORMATION)
(*dc->transform)(dc,&x1,&y1,&z1);
ptr=s=StrNew(_s);
while (ch=*ptr) {
if (ch=='\r'||ch=='\t')
*ptr=CH_SPACE;
if (ch=='\n') {
*ptr=0;
h+=FONT_HEIGHT;
}
ptr++;
}
ptr_end=ptr+1;
y=y1-h>>1;
dx=FONT_WIDTH +border; //Minimum
dy=FONT_HEIGHT+border+h>>1; //Minimum
ptr=s;
while (ptr!=ptr_end) {
st=ptr;
while (*ptr++);
StrUtil(st,SUF_REM_LEADING|SUF_REM_TRAILING);
w=(StrLen(st)*FONT_WIDTH)>>1;
if (first) {
res|=GrPrint(dc,x1-w,y,"%s",st);
first=FALSE;
} else
res|=GrPrint(dc,x1-w,y,"%s",st);
if (w) {
w+=border;
do {
dx_old=dx; dy_old=dy;
m=ToF64(dx)/dy;
if (m<1/DIAMOND_SLOPE_MAX) {
dy=MaxI64(dy,Ceil(DIAMOND_SLOPE_MAX*dx));
m=1/DIAMOND_SLOPE_MAX;
} else if (m>DIAMOND_SLOPE_MAX) {
dy=MaxI64(dy,Ceil(dx/DIAMOND_SLOPE_MAX));
m=DIAMOND_SLOPE_MAX;
}
dx=MaxI64(dx,w+Ceil(m*AbsI64(y-y1)));
dx=MaxI64(dx,w+Ceil(m*AbsI64(y+FONT_HEIGHT-y1)));
} while (dx!=dx_old || dy!=dy_old);
}
y+=FONT_HEIGHT;
}
Free(s);
res|=GrLine(dc,x1,y1-dy,x1+dx,y1);
res|=GrLine(dc,x1+dx,y1,x1,y1+dy);
res|=GrLine(dc,x1,y1+dy,x1-dx,y1);
res|=GrLine(dc,x1-dx,y1,x1,y1-dy);
return ToBool(res);
}
#help_index "Graphics/Mesh"
public I64 Gr3Mesh(CDC *dc=gr.dc,I64 vertex_cnt,CD3I32 *p,
I64 tri_cnt,CMeshTri *tri)
{//Returns cnt of pixs changed.
CColorROPU32 old_color=dc->color;
I64 i,x,y,z,res=0;
CD3I32 *pt,*pt_sym,*p_sym,*dst;
CMeshTri *tri_sym=tri;
if (dc->flags&DCF_TRANSFORMATION) {
dst=pt=MAlloc(sizeof(CD3I32)*vertex_cnt);
for (i=0;i<vertex_cnt;i++,p++,dst++) {
x=p->x; y=p->y; z=p->z;
(*dc->transform)(dc,&x,&y,&z);
dst->x=x; dst->y=y; dst->z=z;
}
p=pt;
} else
pt=NULL;
if (dc->flags & DCF_SYMMETRY) {
dst=pt_sym=MAlloc(sizeof(CD3I32)*vertex_cnt);
p_sym=p;
for (i=0;i<vertex_cnt;i++,p_sym++,dst++) {
x=p_sym->x; y=p_sym->y; z=p_sym->z;
DCReflect(dc,&x,&y,&z);
dst->x=x; dst->y=y; dst->z=z;
}
p_sym=pt_sym;
for (i=0;i<tri_cnt;i++,tri_sym++) {
(*dc->lighting)(dc,&p_sym[tri_sym->nums[0]],&p_sym[tri_sym->nums[2]],
&p_sym[tri_sym->nums[1]],tri_sym->color);
res+=GrFillTri0(dc,&p_sym[tri_sym->nums[0]],&p_sym[tri_sym->nums[2]],
&p_sym[tri_sym->nums[1]]);
}
Free(pt_sym);
if (dc->flags&DCF_JUST_MIRROR)
goto mesh_done;
}
for (i=0;i<tri_cnt;i++,tri++) {
(*dc->lighting)(dc,&p[tri->nums[0]],&p[tri->nums[1]],
&p[tri->nums[2]],tri->color);
res+=GrFillTri0(dc,&p[tri->nums[0]],&p[tri->nums[1]],&p[tri->nums[2]]);
}
mesh_done:
dc->color=old_color;
Free(pt);
return res;
}
#help_index "Graphics/Misc;Mouse/Ptr"
public U0 DrawStdMs(CDC *dc,I64 x,I64 y)
{//This is a callback. See /Demo/Graphics/Grid.HC.
//Called by DrawMs() which is
//called by WinFinalUpdate().
dc->thick=1;
dc->flags&=~(DCF_TRANSFORMATION|DCF_SYMMETRY);
GrArrow3(dc,x+8,y+8,0,x,y,0);
}
gr.fp_draw_ms=&DrawStdMs;
public U0 DrawWaitMs(CDC *dc,I64 x,I64 y)
{//This is a callback. See /Demo/Graphics/Grid.HC.
I64 old_pen_width=dc->thick;
CColorROPU32 old_color=dc->color;
dc->thick=3;
dc->color=LTRED;
GrCircle3(dc,x,y,0,7);
GrLine3(dc,x-6,y+6,0,x+6,y-6,0);
dc->color=RED;
GrCircle(dc,x,y,7);
GrLine(dc,x-6,y+6,x+6,y-6);
dc->thick=old_pen_width;
dc->color=old_color;
}
#help_index "Graphics/GR Files;Graphics/Scrn"
public Bool GRScrnCaptureRead(U8 *filename,CDC *dc=gr.dc,I64 x=0,I64 y=0)
{//GrBlot TempleOS GR File to dc,x,y.
CDC *dc2;
if (dc2=GRRead(filename)) {
dc->color=ROP_EQU;
GrBlot(dc,x,y,dc2);
DCDel(dc2);
return TRUE;
}
return FALSE;
}
public I64 GRScrnCaptureWrite(U8 *filename,Bool include_zoom=TRUE)
{//Capture scrn to a TempleOS GR File.
I64 size;
CDC *dc=DCScrnCapture(include_zoom);
size=GRWrite(filename,dc,DCSF_COMPRESSED|DCSF_PALETTE_GET);
DCDel(dc);
return size;
}