void
fz_draw_html(fz_context *ctx, fz_html *box, float page_top, float page_bot, fz_device *dev, const fz_matrix *inctm)
{
fz_matrix ctm = *inctm;
fz_pre_translate(&ctm, 0, -page_top);
draw_block_box(ctx, box, page_top, page_bot, dev, &ctm);
}
static void draw_block_box(fz_context *ctx, fz_html *box, float page_top, float page_bot, fz_device *dev, const fz_matrix *ctm)
{
float x0, y0, x1, y1;
float color[4];
// TODO: background fill
// TODO: border stroke
float *border = box->border;
float *padding = box->padding;
x0 = box->x - padding[L];
y0 = box->y - padding[T];
x1 = box->x + box->w + padding[R];
y1 = box->y + box->h + padding[B];
if (y0 > page_bot || y1 < page_top)
return;
if (box->style.background_color.a > 0)
{
color[0] = box->style.background_color.r / 255.0f;
color[1] = box->style.background_color.g / 255.0f;
color[2] = box->style.background_color.b / 255.0f;
color[3] = box->style.background_color.a / 255.0f;
draw_rect(ctx, dev, ctm, color, x0, y0, x1, y1);
}
if (box->style.border_color.a > 0)
{
color[0] = box->style.border_color.r / 255.0f;
color[1] = box->style.border_color.g / 255.0f;
color[2] = box->style.border_color.b / 255.0f;
color[3] = box->style.border_color.a / 255.0f;
if (border[T] > 0)
draw_rect(ctx, dev, ctm, color, x0 - border[L], y0 - border[T], x1 + border[R], y0);
if (border[B] > 0)
draw_rect(ctx, dev, ctm, color, x0 - border[L], y1, x1 + border[R], y1 + border[B]);
if (border[L] > 0)
draw_rect(ctx, dev, ctm, color, x0 - border[L], y0 - border[T], x0, y1 + border[B]);
if (border[R] > 0)
draw_rect(ctx, dev, ctm, color, x1, y0 - border[T], x1 + border[R], y1 + border[B]);
}
for (box = box->down; box; box = box->next)
{
switch (box->type)
{
case BOX_BLOCK: draw_block_box(ctx, box, page_top, page_bot, dev, ctm); break;
case BOX_FLOW: draw_flow_box(ctx, box, page_top, page_bot, dev, ctm); break;
}
}
}
static void draw_block_box(fz_context *ctx, fz_html *box, float page_top, float page_bot, fz_device *dev, const fz_matrix *ctm)
{
float x0, y0, x1, y1;
float *border = box->border;
float *padding = box->padding;
x0 = box->x - padding[L];
y0 = box->y - padding[T];
x1 = box->x + box->w + padding[R];
y1 = box->y + box->h + padding[B];
if (y0 > page_bot || y1 < page_top)
return;
if (box->style.visibility == V_VISIBLE)
{
draw_rect(ctx, dev, ctm, box->style.background_color, x0, y0, x1, y1);
if (border[T] > 0)
draw_rect(ctx, dev, ctm, box->style.border_color[T], x0 - border[L], y0 - border[T], x1 + border[R], y0);
if (border[B] > 0)
draw_rect(ctx, dev, ctm, box->style.border_color[B], x0 - border[L], y1, x1 + border[R], y1 + border[B]);
if (border[L] > 0)
draw_rect(ctx, dev, ctm, box->style.border_color[L], x0 - border[L], y0 - border[T], x0, y1 + border[B]);
if (border[R] > 0)
draw_rect(ctx, dev, ctm, box->style.border_color[R], x1, y0 - border[T], x1 + border[R], y1 + border[B]);
if (box->list_item)
draw_list_mark(ctx, box, page_top, page_bot, dev, ctm, box->list_item);
}
for (box = box->down; box; box = box->next)
{
switch (box->type)
{
case BOX_BLOCK:
draw_block_box(ctx, box, page_top, page_bot, dev, ctm);
break;
case BOX_FLOW:
draw_flow_box(ctx, box, page_top, page_bot, dev, ctm);
break;
}
}
}
