static int
test2(gs_state * pgs, gs_memory_t * mem)
{
gs_client_color cc;
gx_tile_bitmap tile;
/*const */ byte tpdata[] =
{
/* Define a pattern that looks like this:
..xxxx
.....x
.....x
..xxxx
.x....
x.....
*/
0x3c, 0, 0, 0, 0x04, 0, 0, 0, 0x04, 0, 0, 0, 0x3c, 0, 0, 0,
0x40, 0, 0, 0, 0x80, 0, 0, 0
};
gs_newpath(pgs);
gs_moveto(pgs, 100.0, 300.0);
gs_lineto(pgs, 500.0, 500.0);
gs_lineto(pgs, 200.0, 100.0);
gs_lineto(pgs, 300.0, 500.0);
gs_lineto(pgs, 500.0, 200.0);
gs_closepath(pgs);
gs_setrgbcolor(pgs, 0.0, 0.0, 0.0);
gs_gsave(pgs);
gs_fill(pgs);
gs_grestore(pgs);
tile.data = tpdata;
tile.raster = 4;
tile.size.x = tile.rep_width = 6;
tile.size.y = tile.rep_height = 6;
tile.id = gx_no_bitmap_id;
gs_makebitmappattern(&cc, &tile, true, pgs, NULL);
/* Note: color space is DeviceRGB */
cc.paint.values[0] = 0.0;
cc.paint.values[1] = 1.0;
cc.paint.values[2] = 1.0;
gs_setpattern(pgs, &cc);
gs_eofill(pgs);
gs_makebitmappattern(&cc, &tile, false, pgs, NULL);
gs_setcolor(pgs, &cc);
gs_moveto(pgs, 50.0, 50.0);
gs_lineto(pgs, 300.0, 50.0);
gs_lineto(pgs, 50.0, 300.0);
gs_closepath(pgs);
gs_setrgbcolor(pgs, 1.0, 0.0, 0.0);
gs_gsave(pgs);
gs_fill(pgs);
gs_grestore(pgs);
gs_setpattern(pgs, &cc);
gs_eofill(pgs);
return 0;
}
static int
test8(gs_state * pgs, gs_memory_t * mem)
{
/*
* Define a 16 x 16 pattern using a 4-entry palette
* (white, red, green, black).
*/
static const byte pdata[] =
{
0x7f, 0xff, 0x00, 0x03,
0x7f, 0xff, 0x00, 0x0c,
0x50, 0x00, 0x00, 0x30,
0x50, 0x00, 0x00, 0xc0,
0x50, 0x00, 0x03, 0x00,
0x50, 0x00, 0x0c, 0x00,
0x50, 0x00, 0x30, 0x00,
0x50, 0x00, 0xc0, 0x00,
0xf0, 0x00, 0xc0, 0x00,
0xf0, 0x00, 0x30, 0x00,
0xf0, 0x00, 0x0c, 0x00,
0xf0, 0x00, 0x03, 0x00,
0xf0, 0x00, 0x00, 0xc0,
0xf0, 0x00, 0x00, 0x30,
0xea, 0x55, 0xaa, 0x5c,
0xea, 0x55, 0xaa, 0x57,
};
gs_depth_bitmap ptile;
gs_const_string table;
gs_color_space *pcs;
gs_client_color ccolor;
gs_color_space *rgb_cs;
rgb_cs = gs_cspace_new_DeviceRGB(mem);
table.data =
(const byte *)"\377\377\377\377\000\000\000\377\000\000\000\000";
table.size = 12;
gs_cspace_build_Indexed(&pcs, rgb_cs, 4, &table, mem);
ptile.data = pdata;
ptile.raster = 4;
ptile.size.x = ptile.size.y = 16;
ptile.id = gs_no_bitmap_id;
ptile.pix_depth = 2;
ptile.num_comps = 1;
gs_makepixmappattern(&ccolor, &ptile, false /*mask */ , NULL /*pmat */ ,
gs_no_id, pcs, 0 /*white_index */ , pgs, mem);
{
gs_rect r;
r.p.x = 100;
r.p.y = 100;
r.q.x = 200;
r.q.y = 200;
gs_setrgbcolor(pgs, 1.0, 1.0, 0.0);
gs_rectfill(pgs, &r, 1);
gs_setpattern(pgs, &ccolor);
gs_settexturetransparent(pgs, true);
gs_rectfill(pgs, &r, 1);
r.p.x += 150;
r.q.x += 150;
gs_setrgbcolor(pgs, 1.0, 1.0, 0.0);
gs_rectfill(pgs, &r, 1);
gs_setpattern(pgs, &ccolor);
gs_settexturetransparent(pgs, false);
gs_rectfill(pgs, &r, 1);
}
gs_free_object(mem, rgb_cs, "test8 rgb_cs");
return 0;
}
int
xps_parse_tiling_brush(xps_context_t *ctx, char *base_uri, xps_resource_t *dict, xps_item_t *root,
int (*func)(xps_context_t*, char*, xps_resource_t*, xps_item_t*, void*), void *user)
{
xps_item_t *node;
int code;
char *opacity_att;
char *transform_att;
char *viewbox_att;
char *viewport_att;
char *tile_mode_att;
/*char *viewbox_units_att;*/
/*char *viewport_units_att;*/
xps_item_t *transform_tag = NULL;
gs_matrix transform;
gs_rect viewbox;
gs_rect viewport;
float scalex, scaley;
int tile_mode;
opacity_att = xps_att(root, "Opacity");
transform_att = xps_att(root, "Transform");
viewbox_att = xps_att(root, "Viewbox");
viewport_att = xps_att(root, "Viewport");
tile_mode_att = xps_att(root, "TileMode");
/*viewbox_units_att = xps_att(root, "ViewboxUnits");*/
/*viewport_units_att = xps_att(root, "ViewportUnits");*/
for (node = xps_down(root); node; node = xps_next(node))
{
if (!strcmp(xps_tag(node), "ImageBrush.Transform"))
transform_tag = xps_down(node);
if (!strcmp(xps_tag(node), "VisualBrush.Transform"))
transform_tag = xps_down(node);
}
xps_resolve_resource_reference(ctx, dict, &transform_att, &transform_tag, NULL);
gs_make_identity(&transform);
if (transform_att)
xps_parse_render_transform(ctx, transform_att, &transform);
if (transform_tag)
xps_parse_matrix_transform(ctx, transform_tag, &transform);
viewbox.p.x = 0.0; viewbox.p.y = 0.0;
viewbox.q.x = 1.0; viewbox.q.y = 1.0;
if (viewbox_att)
xps_parse_rectangle(ctx, viewbox_att, &viewbox);
viewport.p.x = 0.0; viewport.p.y = 0.0;
viewport.q.x = 1.0; viewport.q.y = 1.0;
if (viewport_att)
xps_parse_rectangle(ctx, viewport_att, &viewport);
/* some sanity checks on the viewport/viewbox size */
if (fabs(viewport.q.x - viewport.p.x) < 0.01) { gs_warn("skipping tile with zero width view port"); return 0; }
if (fabs(viewport.q.y - viewport.p.y) < 0.01) { gs_warn("skipping tile with zero height view port"); return 0; }
if (fabs(viewbox.q.x - viewbox.p.x) < 0.01) { gs_warn("skipping tile with zero width view box"); return 0; }
if (fabs(viewbox.q.y - viewbox.p.y) < 0.01) { gs_warn("skipping tile with zero height view box"); return 0; }
scalex = (viewport.q.x - viewport.p.x) / (viewbox.q.x - viewbox.p.x);
scaley = (viewport.q.y - viewport.p.y) / (viewbox.q.y - viewbox.p.y);
tile_mode = TILE_NONE;
if (tile_mode_att)
{
if (!strcmp(tile_mode_att, "None"))
tile_mode = TILE_NONE;
if (!strcmp(tile_mode_att, "Tile"))
tile_mode = TILE_TILE;
if (!strcmp(tile_mode_att, "FlipX"))
tile_mode = TILE_FLIP_X;
if (!strcmp(tile_mode_att, "FlipY"))
tile_mode = TILE_FLIP_Y;
if (!strcmp(tile_mode_att, "FlipXY"))
tile_mode = TILE_FLIP_X_Y;
}
gs_gsave(ctx->pgs);
code = xps_begin_opacity(ctx, base_uri, dict, opacity_att, NULL, false, false);
if (code)
{
gs_grestore(ctx->pgs);
return gs_rethrow(code, "cannot create transparency group");
}
/* TODO(tor): check viewport and tiling to see if we can set it to TILE_NONE */
if (tile_mode != TILE_NONE)
{
struct tile_closure_s closure;
gs_client_pattern gspat;
gs_client_color gscolor;
gs_color_space *cs;
bool sa;
closure.ctx = ctx;
closure.base_uri = base_uri;
closure.dict = dict;
closure.tag = root;
closure.tile_mode = tile_mode;
closure.user = user;
closure.func = func;
closure.viewbox.p.x = viewbox.p.x;
closure.viewbox.p.y = viewbox.p.y;
closure.viewbox.q.x = viewbox.q.x;
closure.viewbox.q.y = viewbox.q.y;
gs_pattern1_init(&gspat);
uid_set_UniqueID(&gspat.uid, gs_next_ids(ctx->memory, 1));
gspat.PaintType = 1;
gspat.TilingType = 2;
gspat.PaintProc = xps_remap_pattern;
gspat.client_data = &closure;
/* We need to know if this tiling brush includes transparency.
We could do a proper scan, but for now we'll be lazy and just look
at the flag from scanning the page. */
gspat.uses_transparency = ctx->has_transparency;
gspat.XStep = viewbox.q.x - viewbox.p.x;
gspat.YStep = viewbox.q.y - viewbox.p.y;
gspat.BBox.p.x = viewbox.p.x;
gspat.BBox.p.y = viewbox.p.y;
gspat.BBox.q.x = viewbox.q.x;
gspat.BBox.q.y = viewbox.q.y;
if (tile_mode == TILE_FLIP_X || tile_mode == TILE_FLIP_X_Y)
{
gspat.BBox.q.x += gspat.XStep;
gspat.XStep *= 2;
}
if (tile_mode == TILE_FLIP_Y || tile_mode == TILE_FLIP_X_Y)
{
gspat.BBox.q.y += gspat.YStep;
gspat.YStep *= 2;
}
gs_matrix_translate(&transform, viewport.p.x, viewport.p.y, &transform);
gs_matrix_scale(&transform, scalex, scaley, &transform);
gs_matrix_translate(&transform, -viewbox.p.x, -viewbox.p.y, &transform);
cs = ctx->srgb;
gs_setcolorspace(ctx->pgs, cs);
gsicc_profile_reference(cs->cmm_icc_profile_data, 1);
sa = gs_currentstrokeadjust(ctx->pgs);
gs_setstrokeadjust(ctx->pgs, false);
gs_makepattern(&gscolor, &gspat, &transform, ctx->pgs, NULL);
gs_setpattern(ctx->pgs, &gscolor);
xps_fill(ctx);
gs_setstrokeadjust(ctx->pgs, sa);
gsicc_profile_reference(cs->cmm_icc_profile_data, -1);
/* gs_makepattern increments the pattern count stored in the color
* structure. We will discard the color struct (its on the stack)
* so we need to decrement the reference before we throw away
* the structure.
*/
gs_pattern_reference(&gscolor, -1);
}
else
{
xps_clip(ctx);
gs_concat(ctx->pgs, &transform);
gs_translate(ctx->pgs, viewport.p.x, viewport.p.y);
gs_scale(ctx->pgs, scalex, scaley);
gs_translate(ctx->pgs, -viewbox.p.x, -viewbox.p.y);
gs_moveto(ctx->pgs, viewbox.p.x, viewbox.p.y);
gs_lineto(ctx->pgs, viewbox.p.x, viewbox.q.y);
gs_lineto(ctx->pgs, viewbox.q.x, viewbox.q.y);
gs_lineto(ctx->pgs, viewbox.q.x, viewbox.p.y);
gs_closepath(ctx->pgs);
gs_clip(ctx->pgs);
gs_newpath(ctx->pgs);
code = func(ctx, base_uri, dict, root, user);
if (code < 0)
{
xps_end_opacity(ctx, base_uri, dict, opacity_att, NULL);
gs_grestore(ctx->pgs);
return gs_rethrow(code, "cannot draw tile");
}
}
xps_end_opacity(ctx, base_uri, dict, opacity_att, NULL);
gs_grestore(ctx->pgs);
return 0;
}
