#include "agg_trans_affine.h" #include "text.h" namespace draw { void text::rewind(unsigned path_id) { m_text.start_point (-m_hjustif * m_text_width, -m_vjustif * m_text_height); m_stroke.rewind(path_id); } unsigned text::vertex(double* x, double* y) { return m_stroke.vertex(x, y); } void text::apply_transform(const agg::trans_affine& m, double as) { m_user_matrix.tx = m_x; m_user_matrix.ty = m_y; m.transform(&m_user_matrix.tx, &m_user_matrix.ty); m_matrix = m_user_matrix; if (m.sy < 0.0) { m_matrix.shy *= -1.0; m_matrix.sy *= -1.0; } m_stroke.approximation_scale(as); } void text::bounding_box(double *x1, double *y1, double *x2, double *y2) { *x1 = *x2 = m_x; *y1 = *y2 = m_y; } str text::write_svg(int id, agg::rgba8 c) { const agg::trans_affine& m = m_user_matrix; const double eps = 1.0e-6; str s; if (str_is_null(&m_text_buf)) return s; str style; int hjust = lrint(m_hjustif * 2.0); if (hjust == 1) style.append(";text-anchor:middle"); else if (hjust>= 2) style.append(";text-anchor:end"); if (c.r != 0 || c.g != 0 || c.b != 0) { char rgbstr[8]; format_rgb(rgbstr, c); style.printf_add(";fill:%s", rgbstr); } bool need_rotate = (fabs(m.sx - 1.0)> eps || fabs(m.shx)> eps || \ fabs(m.shy)> eps || fabs(m.sy - 1.0)> eps); int txt_size = (int)(m_text_height * 1.5); double x = 0.0, y = m_vjustif * m_text_height * 1.2; if (!need_rotate) { x += m.tx; y += m.ty; } const char* cont = m_text_buf.cstr(); str txt = str::print("" \ " %s" \ "", x, y, id, txt_size, style.cstr(), x, y, id, cont); if (need_rotate) { s = str::print("%s", m.sx, m.shx, m.shy, m.sy, m.tx, m.ty, txt.cstr()); } else { s = txt; } return s; } }