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124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
#include <CtrlCore/CtrlCore.h>
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#ifdef GUI_GTK
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#include <cairo/cairo-ft.h>
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#include <plugin/FT_fontsys/ftoutln.h>
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NAMESPACE_UPP
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#define LLOG(x)
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FcPattern *CreateFcPattern(Font font);
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FT_Face FTFace(Font fnt, String *rpath = NULL);
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struct FontSysData {
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cairo_scaled_font_t *scaled_font;
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void Init(Font font, int angle);
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~FontSysData() { cairo_scaled_font_destroy(scaled_font); }
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};
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void FontSysData::Init(Font font, int angle)
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{
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LLOG("FontSysData::Init " << font << ", " << angle);
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FcPattern *p = CreateFcPattern(font);
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cairo_font_face_t *font_face = cairo_ft_font_face_create_for_pattern(p);
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FcPatternDestroy(p);
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cairo_matrix_t font_matrix[1], ctm[1];
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cairo_matrix_init_identity(ctm);
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cairo_matrix_init_scale(font_matrix, font.GetHeight(), font.GetHeight());
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FT_Face ft = FTFace(font);
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if(font.IsItalic() && !(FTFace(font)->style_flags & FT_STYLE_FLAG_ITALIC)) {
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cairo_matrix_t sheer[1];
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cairo_matrix_init_identity(sheer);
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sheer->xy = -0.3;
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cairo_matrix_multiply(font_matrix, font_matrix, sheer);
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}
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if(angle)
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cairo_matrix_rotate(font_matrix, -angle * M_2PI / 3600);
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cairo_font_options_t *opt = cairo_font_options_create();
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scaled_font = cairo_scaled_font_create(font_face, font_matrix, ctm, opt);
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#if 0
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int synth = 0;
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FT_Face ft = cairo_ft_scaled_font_lock_face(scaled_font);
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if(ft) {
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// if(font.IsBold() && !(ft->style_flags & FT_STYLE_FLAG_BOLD))
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// synth |= CAIRO_FT_SYNTHESIZE_BOLD;
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if() {
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FT_Matrix transform;
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transform.xx = 0x10000L;
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transform.yx = 0x00000L;
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transform.xy = 0x03000L;
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transform.yy = 0x10000L;
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FT_Outline_Transform( outline, &transform );
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}
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// synth |= CAIRO_FT_SYNTHESIZE_OBLIQUE;
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cairo_ft_scaled_font_unlock_face(scaled_font);
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}
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// if(synth) {
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// cairo_ft_font_face_set_synthesize(font_face, synth);
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// cairo_scaled_font_destroy(scaled_font);
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// scaled_font = cairo_scaled_font_create(font_face, font_matrix, ctm, opt);
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// }
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#endif
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cairo_font_options_destroy(opt);
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cairo_font_face_destroy(font_face);
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}
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struct FontDataSysMaker : LRUCache<FontSysData, Tuple2<Font, int> >::Maker {
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Font font;
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int angle;
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virtual Tuple2<Font, int> Key() const { return MakeTuple(font, angle); }
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virtual int Make(FontSysData& object) const { object.Init(font, angle); return 1; }
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};
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int gtk_antialias = -1;
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int gtk_hinting = -1;
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String gtk_hintstyle;
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String gtk_rgba;
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void SystemDraw::DrawTextOp(int x, int y, int angle, const wchar *text, Font font, Color ink, int n, const int *dx)
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{
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GuiLock __;
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int ascent = font.GetAscent();
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double sina = 0;
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double cosa = 1;
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if(angle)
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Draw::SinCos(angle, sina, cosa);
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int xpos = 0;
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Buffer<cairo_glyph_t> gs(n);
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for(int i = 0; i < n; i++) {
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cairo_glyph_t& g = gs[i];
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g.index = GetGlyphInfo(font, text[i]).glyphi;
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g.x = fround(x + cosa * xpos + sina * ascent);
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g.y = fround(y + cosa * ascent - sina * xpos);
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xpos += dx ? dx[i] : font[text[i]];
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}
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static LRUCache<FontSysData, Tuple2<Font, int> > cache;
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FontDataSysMaker m;
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m.font = font;
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m.angle = angle;
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FontSysData& sf = cache.Get(m);
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cairo_set_scaled_font(cr, sf.scaled_font);
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SetColor(ink);
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cairo_show_glyphs(cr, gs, n);
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cache.Shrink(64);
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}
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END_UPP_NAMESPACE
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#endif
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