diff options
Diffstat (limited to 'src/Fl_Graphics_Driver.cxx')
| -rw-r--r-- | src/Fl_Graphics_Driver.cxx | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/src/Fl_Graphics_Driver.cxx b/src/Fl_Graphics_Driver.cxx index 547526ed3..be8849dd4 100644 --- a/src/Fl_Graphics_Driver.cxx +++ b/src/Fl_Graphics_Driver.cxx @@ -49,6 +49,8 @@ Fl_Graphics_Driver::Fl_Graphics_Driver() fl_matrix = &m; font_descriptor_ = NULL; scale_ = 1; + p_size = 0; + p = NULL; }; /** Return the graphics driver used when drawing to the platform's display */ @@ -497,10 +499,14 @@ int Fl_Graphics_Driver::not_clipped(int x, int y, int w, int h) {return 1;} void Fl_Graphics_Driver::begin_complex_polygon() {} /** see fl_transformed_vertex() */ -void Fl_Graphics_Driver::transformed_vertex(double xf, double yf) {} +void Fl_Graphics_Driver::transformed_vertex(double xf, double yf) { + transformed_vertex0(float(xf), float(yf)); +} /** see fl_vertex() */ -void Fl_Graphics_Driver::vertex(double x, double y) {} +void Fl_Graphics_Driver::vertex(double x, double y) { + transformed_vertex(x*m.a + y*m.c + m.x, x*m.b + y*m.d + m.y); +} /** see fl_end_points() */ void Fl_Graphics_Driver::end_points() {} @@ -633,6 +639,18 @@ float Fl_Graphics_Driver::override_scale() { return scale();} void Fl_Graphics_Driver::restore_scale(float) { } +void Fl_Graphics_Driver::transformed_vertex0(float x, float y) { + if (!n || x != p[n-1].x || y != p[n-1].y) { + if (n >= p_size) { + p_size = p ? 2*p_size : 16; + p = (XPOINT*)realloc((void*)p, p_size*sizeof(*p)); + } + p[n].x = x; + p[n].y = y; + n++; + } +} + /** \} \endcond @@ -980,8 +998,6 @@ void Fl_Scalable_Graphics_Driver::draw_image_mono_unscaled(const uchar* buf, int void Fl_Scalable_Graphics_Driver::draw_image_mono_unscaled(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D) {} -void Fl_Scalable_Graphics_Driver::transformed_vertex0(float x, float y) {} - float Fl_Scalable_Graphics_Driver::override_scale() { float s = scale(); if (s != 1.f) { |