fz_rect
fz_boundpath(fz_path *path, fz_strokestate *stroke, fz_matrix ctm)
{
fz_point p;
fz_rect r = fz_emptyrect;
int i = 0;
if (path->len)
{
p.x = path->els[1].v;
p.y = path->els[2].v;
p = fz_transformpoint(ctm, p);
r.x0 = r.x1 = p.x;
r.y0 = r.y1 = p.y;
}
while (i < path->len)
{
switch (path->els[i++].k)
{
case FZ_CURVETO:
p.x = path->els[i++].v;
p.y = path->els[i++].v;
r = boundexpand(r, fz_transformpoint(ctm, p));
p.x = path->els[i++].v;
p.y = path->els[i++].v;
r = boundexpand(r, fz_transformpoint(ctm, p));
p.x = path->els[i++].v;
p.y = path->els[i++].v;
r = boundexpand(r, fz_transformpoint(ctm, p));
break;
case FZ_MOVETO:
case FZ_LINETO:
p.x = path->els[i++].v;
p.y = path->els[i++].v;
r = boundexpand(r, fz_transformpoint(ctm, p));
break;
case FZ_CLOSEPATH:
break;
}
}
if (stroke)
{
float miterlength = sinf(stroke->miterlimit * 0.5f);
float linewidth = stroke->linewidth;
float expand = MAX(miterlength, linewidth) * 0.5f;
r.x0 -= expand;
r.y0 -= expand;
r.x1 += expand;
r.y1 += expand;
}
return r;
}
fz_rect
fz_boundpathnode(fz_pathnode *path, fz_matrix ctm)
{
fz_point p;
fz_rect r = fz_emptyrect;
int i = 0;
if (path->len)
{
p.x = path->els[1].v;
p.y = path->els[2].v;
p = fz_transformpoint(ctm, p);
r.x0 = r.x1 = p.x;
r.y0 = r.y1 = p.y;
}
while (i < path->len)
{
switch (path->els[i++].k)
{
case FZ_CURVETO:
p.x = path->els[i++].v;
p.y = path->els[i++].v;
r = boundexpand(r, fz_transformpoint(ctm, p));
p.x = path->els[i++].v;
p.y = path->els[i++].v;
r = boundexpand(r, fz_transformpoint(ctm, p));
case FZ_MOVETO:
case FZ_LINETO:
p.x = path->els[i++].v;
p.y = path->els[i++].v;
r = boundexpand(r, fz_transformpoint(ctm, p));
break;
case FZ_CLOSEPATH:
break;
}
}
if (path->paint == FZ_STROKE)
{
float miterlength = sin(path->miterlimit / 2.0);
float linewidth = path->linewidth;
float expand = MAX(miterlength, linewidth) / 2.0;
r.x0 -= expand;
r.y0 -= expand;
r.x1 += expand;
r.y1 += expand;
}
return r;
}
void pdfmoz_onmouse(pdfmoz_t *moz, int x, int y, int click)
{
char buf[512];
pdf_link *link;
fz_matrix ctm;
fz_point p;
int pi;
int py;
if (!moz->pages)
return;
pi = moz->scrollpage;
py = -moz->scrollyofs;
while (pi < moz->pagecount)
{
if (!moz->pages[pi].image)
return;
if (y > py && y < moz->pages[pi].px)
break;
py += moz->pages[pi].px;
pi ++;
}
if (pi == moz->pagecount)
return;
p.x = x + moz->pages[pi].image->x;
p.y = y + moz->pages[pi].image->y - py;
ctm = pdfmoz_pagectm(moz, pi);
ctm = fz_invertmatrix(ctm);
p = fz_transformpoint(ctm, p);
for (link = moz->pages[pi].page->links; link; link = link->next)
{
if (p.x >= link->rect.x0 && p.x <= link->rect.x1)
if (p.y >= link->rect.y0 && p.y <= link->rect.y1)
break;
}
if (link)
{
SetCursor(moz->hand);
if (click)
{
if (link->kind == PDF_LURI)
pdfmoz_gotouri(moz, link->dest);
else if (link->kind == PDF_LGOTO)
pdfmoz_gotopage(moz, link->dest);
return;
}
else
{
if (fz_isstring(link->dest))
{
memcpy(buf, fz_tostrbuf(link->dest), fz_tostrlen(link->dest));
buf[fz_tostrlen(link->dest)] = 0;
NPN_Status(moz->inst, buf);
}
else if (fz_isindirect(link->dest))
{
sprintf(buf, "Go to page %d",
pdfmoz_getpagenum(moz, link->dest) + 1);
NPN_Status(moz->inst, buf);
}
else
NPN_Status(moz->inst, "Say what?");
}
}
else
{
sprintf(buf, "Page %d of %d", moz->scrollpage + 1, moz->pagecount);
NPN_Status(moz->inst, buf);
SetCursor(moz->arrow);
}
}
void pdfapp_onmouse(pdfapp_t *app, int x, int y, int btn, int modifiers, int state)
{
pdf_link *link;
fz_matrix ctm;
fz_point p;
p.x = x - app->panx + app->image->x;
p.y = y - app->pany + app->image->y;
ctm = pdfapp_viewctm(app);
ctm = fz_invertmatrix(ctm);
p = fz_transformpoint(ctm, p);
for (link = app->page->links; link; link = link->next)
{
if (p.x >= link->rect.x0 && p.x <= link->rect.x1)
if (p.y >= link->rect.y0 && p.y <= link->rect.y1)
break;
}
if (link)
{
wincursor(app, HAND);
if (btn == 1 && state == 1)
{
if (fz_isstring(link->dest))
pdfapp_gotouri(app, link->dest);
if (fz_isindirect(link->dest))
pdfapp_gotopage(app, link->dest);
return;
}
}
else
{
wincursor(app, ARROW);
}
if (state == 1)
{
if (btn == 1 && !app->iscopying)
{
app->ispanning = 1;
app->selx = x;
app->sely = y;
}
if (btn == 3 && !app->ispanning)
{
app->iscopying = 1;
app->selx = x;
app->sely = y;
app->selr.x0 = x;
app->selr.x1 = x;
app->selr.y0 = y;
app->selr.y1 = y;
}
if (btn == 4 || btn == 5) /* scroll wheel */
{
int dir = btn == 4 ? 1 : -1;
app->ispanning = app->iscopying = 0;
if (modifiers & (1<<2))
{
/* zoom in/out if ctrl is pressed */
app->zoom += 0.1 * dir;
if (app->zoom > 3.0)
app->zoom = 3.0;
if (app->zoom < 0.1)
app->zoom = 0.1;
pdfapp_showpage(app, 0, 1);
}
else
{
/* scroll up/down, or left/right if
shift is pressed */
int isx = (modifiers & (1<<0));
int xstep = isx ? 20 * dir : 0;
int ystep = !isx ? 20 * dir : 0;
pdfapp_panview(app, app->panx + xstep, app->pany + ystep);
}
}
}
else if (state == -1)
{
if (app->iscopying)
{
app->iscopying = 0;
app->selr.x0 = MIN(app->selx, x);
app->selr.x1 = MAX(app->selx, x);
app->selr.y0 = MIN(app->sely, y);
app->selr.y1 = MAX(app->sely, y);
winrepaint(app);
if (app->selr.x0 < app->selr.x1 && app->selr.y0 < app->selr.y1)
windocopy(app);
}
if (app->ispanning)
app->ispanning = 0;
}
else if (app->ispanning)
{
int newx = app->panx + x - app->selx;
int newy = app->pany + y - app->sely;
pdfapp_panview(app, newx, newy);
app->selx = x;
app->sely = y;
}
else if (app->iscopying)
{
app->selr.x0 = MIN(app->selx, x);
app->selr.x1 = MAX(app->selx, x);
app->selr.y0 = MIN(app->sely, y);
app->selr.y1 = MAX(app->sely, y);
winrepaint(app);
}
}
fz_error
fz_rendershade(fz_shade *shade, fz_matrix ctm, fz_colorspace *destcs, fz_pixmap *dest)
{
unsigned char clut[256][3];
unsigned char *s, *d;
fz_error error;
fz_pixmap *temp;
float rgb[3];
float tri[3][MAXN];
fz_point p;
int i, j, k, n;
assert(dest->n == 4);
ctm = fz_concat(shade->matrix, ctm);
if (shade->usefunction)
{
n = 3;
error = fz_newpixmap(&temp, dest->x, dest->y, dest->w, dest->h, 2);
if (error)
return error;
}
else if (shade->cs != destcs)
{
n = 2 + shade->cs->n;
error = fz_newpixmap(&temp, dest->x, dest->y, dest->w, dest->h,
shade->cs->n + 1);
if (error)
return error;
}
else
{
n = 2 + shade->cs->n;
temp = dest;
}
fz_clearpixmap(temp);
for (i = 0; i < shade->meshlen; i++)
{
for (k = 0; k < 3; k++)
{
p.x = shade->mesh[(i * 3 + k) * n + 0];
p.y = shade->mesh[(i * 3 + k) * n + 1];
p = fz_transformpoint(ctm, p);
if (isnan(p.y) || isnan(p.x)) // How is this happening?
goto baddata;
tri[k][0] = p.x;
tri[k][1] = p.y;
for (j = 2; j < n; j++)
tri[k][j] = shade->mesh[( i * 3 + k) * n + j] * 255;
}
fz_drawtriangle(temp, tri[0], tri[1], tri[2], n);
baddata:
;
}
if (shade->usefunction)
{
for (i = 0; i < 256; i++)
{
fz_convertcolor(shade->cs, shade->function[i], destcs, rgb);
clut[i][0] = rgb[0] * 255;
clut[i][1] = rgb[1] * 255;
clut[i][2] = rgb[2] * 255;
}
n = temp->w * temp->h;
s = temp->samples;
d = dest->samples;
while (n--)
{
d[0] = s[0];
d[1] = fz_mul255(s[0], clut[s[1]][0]);
d[2] = fz_mul255(s[0], clut[s[1]][1]);
d[3] = fz_mul255(s[0], clut[s[1]][2]);
s += 2;
d += 4;
}
fz_droppixmap(temp);
}
else if (shade->cs != destcs)
{
fz_convertpixmap(shade->cs, temp, destcs, dest);
fz_droppixmap(temp);
}
return fz_okay;
}
void pdfapp_onmouse(pdfapp_t *app, int x, int y, int btn, int modifiers, int state)
{
pdf_link *link;
fz_matrix ctm;
fz_point p;
p.x = x - app->panx + app->image->x;
p.y = y - app->pany + app->image->y;
ctm = pdfapp_viewctm(app);
ctm = fz_invertmatrix(ctm);
p = fz_transformpoint(ctm, p);
for (link = app->page->links; link; link = link->next)
{
if (p.x >= link->rect.x0 && p.x <= link->rect.x1)
if (p.y >= link->rect.y0 && p.y <= link->rect.y1)
break;
}
if (link)
{
wincursor(app, HAND);
if (btn == 1 && state == 1)
{
if (link->kind == PDF_LURI)
pdfapp_gotouri(app, link->dest);
else if (link->kind == PDF_LGOTO)
pdfapp_gotopage(app, link->dest);
return;
}
}
else
{
wincursor(app, ARROW);
}
if (state == 1)
{
if (btn == 1 && !app->iscopying)
{
app->ispanning = 1;
app->selx = x;
app->sely = y;
}
if (btn == 3 && !app->ispanning)
{
kno_clearselect(app); //code change by kakai
app->iscopying = 1;
app->selx = x;
app->sely = y;
app->selr.x0 = x;
app->selr.x1 = x;
app->selr.y0 = y;
app->selr.y1 = y;
}
if (btn == 4 || btn == 5) /* scroll wheel */
{
int dir = btn == 4 ? 1 : -1;
app->ispanning = app->iscopying = 0;
if (modifiers & (1<<2))
{
/* zoom in/out if ctrl is pressed */
app->zoom += 0.1 * dir;
if (app->zoom > 3.0)
app->zoom = 3.0;
if (app->zoom < 0.1)
app->zoom = 0.1;
pdfapp_showpage(app, 0, 1);
}
else
{
/* scroll up/down, or left/right if
shift is pressed */
int isx = (modifiers & (1<<0));
int xstep = isx ? 20 * dir : 0;
int ystep = !isx ? 20 * dir : 0;
pdfapp_panview(app, app->panx + xstep, app->pany + ystep);
}
}
}
else if (state == -1)
{
//Code change by Kakai
//Hit testing
kno_hitdata *hitdata = kno_gethitdata(app, x, y);
printf("hit test char is: %c\n", hitdata->ucs);
//Code change by Kakai
if (app->iscopying)
{
app->iscopying = 0;
app->selr.x0 = MIN(app->selx, x);
app->selr.x1 = MAX(app->selx, x);
app->selr.y0 = MIN(app->sely, y);
app->selr.y1 = MAX(app->sely, y);
winrepaint(app);
if (app->selr.x0 < app->selr.x1 && app->selr.y0 < app->selr.y1)
windocopy(app);
}
if (app->ispanning)
app->ispanning = 0;
}
else if (app->ispanning)
{
int newx = app->panx + x - app->selx;
int newy = app->pany + y - app->sely;
pdfapp_panview(app, newx, newy);
app->selx = x;
app->sely = y;
}
else if (app->iscopying)
{
app->selr.x0 = MIN(app->selx, x);
app->selr.x1 = MAX(app->selx, x);
app->selr.y0 = MIN(app->sely, y);
app->selr.y1 = MAX(app->sely, y);
//code change by kakai
//IsHighlightable and selection testing
int closestx, closesty;
closestx = closesty = 0;
if (kno_ishighlightable(app, x, y, &closestx, &closesty) == 1)
kno_onselect(app); //code change by kakai
else
{
printf("x is %d\n", closestx);
printf("y is %d\n", closesty);
}
//code change by kakai
winrepaint(app);
}
}
