diff options
Diffstat (limited to 'fltk-2/include/fltk/draw.h')
-rw-r--r-- | fltk-2/include/fltk/draw.h | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/fltk-2/include/fltk/draw.h b/fltk-2/include/fltk/draw.h deleted file mode 100644 index 5eadfcd..0000000 --- a/fltk-2/include/fltk/draw.h +++ /dev/null @@ -1,232 +0,0 @@ -// "$Id: draw.h 5939 2007-08-02 14:19:28Z spitzak $" -// -// Copyright 1998-2006 by Bill Spitzak and others. -// -// This library is free software; you can redistribute it and/or -// modify it under the terms of the GNU Library General Public -// License as published by the Free Software Foundation; either -// version 2 of the License, or (at your option) any later version. -// -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -// Library General Public License for more details. -// -// You should have received a copy of the GNU Library General Public -// License along with this library; if not, write to the Free Software -// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 -// USA. -// -// Please report all bugs and problems to "fltk-bugs@fltk.org". - -/*! \file - - The FLTK drawing library, used by all widgets to draw themselves. - - These functions can only be called when FLTK is setup to draw - things. This is only true: - - Inside the Widget::draw() virtual function. - - Inside the Symbol::draw() virtual function. - - After calling Widget::make_current(), before calling wait() or flush(). - Calling the drawing functions at other times produces undefined results, - including crashing. - -*/ - -#ifndef fltk_draw_h -#define fltk_draw_h - -#include "Flags.h" // for alignment values -#include "Color.h" -#include "Rectangle.h" -#include "PixelType.h" - -namespace fltk { - -struct Font; -class Style; - -class FL_API GSave { - void* data[4]; // hopefully big enough for everybody... - public: - GSave(); - ~GSave(); -}; - -/// \name Transformation -//@{ -FL_API void push_matrix(); -FL_API void pop_matrix(); -FL_API void scale(float x, float y); -FL_API void scale(float x); -FL_API void translate(float x, float y); -FL_API void translate(int x, int y); -FL_API void rotate(float d); -FL_API void concat(float, float, float, float, float, float); -FL_API void load_identity(); - -// get and use transformed positions: -FL_API void transform(float& x, float& y); -FL_API void transform_distance(float& x, float& y); -FL_API void transform(int& x, int& y); -FL_API void transform(const Rectangle& from, Rectangle& to); -FL_API void transform(int& x, int& y, int& w, int& h); -//@} - -/// \name Clipping -//@{ -FL_API void push_clip(const Rectangle&); -//! Same as push_clip(Rectangle(x,y,w,h)) but faster: -FL_API void push_clip(int X,int Y, int W, int H); -FL_API void clipout(const Rectangle&); -FL_API void pop_clip(); -FL_API void push_no_clip(); -FL_API bool not_clipped(const Rectangle&); -FL_API int intersect_with_clip(Rectangle&); -//@} - -FL_API void setcolor(Color); -FL_API void setcolor_alpha(Color, float alpha); -extern FL_API Color current_color_; -inline Color getcolor() {return current_color_;} - -extern FL_API Color current_bgcolor_; -inline void setbgcolor(Color c) {current_bgcolor_ = c;} -inline Color getbgcolor() {return current_bgcolor_;} - -extern FL_API const Style* drawstyle_; -void FL_API drawstyle(const Style* s, Flags); -inline const Style* drawstyle() {return drawstyle_;} - -extern FL_API Flags drawflags_; -inline void setdrawflags(Flags f) {drawflags_ = f;} -inline Flags drawflags() {return drawflags_;} -inline Flags drawflags(Flags f) {return drawflags_ & f;} - -// line type: -FL_API void line_style(int, float width=0, const char* dashes=0); -enum { - SOLID = 0, - DASH = 1, - DOT = 2, - DASHDOT = 3, - DASHDOTDOT = 4, - - CAP_FLAT = 0x100, - CAP_ROUND = 0x200, - CAP_SQUARE = 0x300, - - JOIN_MITER = 0x1000, - JOIN_ROUND = 0x2000, - JOIN_BEVEL = 0x3000 -}; -extern FL_API int line_style_; -inline FL_API int line_style() {return line_style_;} -extern FL_API float line_width_; -inline FL_API float line_width() {return line_width_;} -extern FL_API const char* line_dashes_; -inline FL_API const char* line_dashes() {return line_dashes_;} - -/// \name Path construction -//@{ -FL_API void newpath(); -FL_API void addvertex(float x, float y); -FL_API void addvertex(int x, int y); -FL_API void addvertices(int n, const float v[][2]); -FL_API void addvertices(int n, const int v[][2]); -FL_API void addvertices_transformed(int n, const float v[][2]); -FL_API void addcurve(float,float, float,float, float,float, float,float); -FL_API void addarc(float x,float y,float w,float h, float a1, float a2); -FL_API void addpie(const Rectangle& r, float a, float a2); -FL_API void addchord(const Rectangle& r,float a,float a2); -FL_API void closepath(); -//@} - -/// \name Shapes and lines -//@{ -FL_API void strokepath(); -FL_API void fillpath(); -FL_API void fillstrokepath(Color); - -FL_API void fillrect(int, int, int, int); -inline void fillrect(const Rectangle& r) {fillrect(r.x(),r.y(),r.w(),r.h());} -FL_API void strokerect(int, int, int, int); -inline void strokerect(const Rectangle& r) {strokerect(r.x(),r.y(),r.w(),r.h());} -FL_API void drawline(int x0, int y0, int x1, int y1); -FL_API void drawline(float x0, float y0, float x1, float y1); -FL_API void drawpoint(int x, int y); -FL_API void drawpoint(float x, float y); -//@} - -/// \name Text -//@{ -FL_API void setfont(Font*, float size); -FL_API void setfont(const char*, float size); -FL_API void setfont(const char*, int attributes, float size); - -// change the encoding used to draw bytes (depreciated) -extern FL_API const char* encoding_; -inline const char* get_encoding() {return encoding_;} -FL_API void set_encoding(const char*); - -// information you can get about the current font+size+encoding: -extern FL_API Font* current_font_; -extern FL_API float current_size_; // should be 2x2 transformation matrix -inline Font* getfont() {return current_font_;} -inline float getsize() {return current_size_;} - -// measure things in the current font: -FL_API float getwidth(const char*); -FL_API float getwidth(const char*, int length); -FL_API float getascent(); -FL_API float getdescent(); - -// draw using current font: -FL_API void drawtext_transformed(const char*, int n, float x, float y); -FL_API void drawtext(const char*, float x, float y); -FL_API void drawtext(const char*, int length, float x, float y); - -// the label text formatter: -FL_API void measure(const char*, int& w, int& h, Flags = 0); -FL_API void measure(float (*getwidth)(const char*, int),const char*, float& w, float& h, Flags = 0); -FL_API void drawtext(const char*, const Rectangle&, Flags); -FL_API void drawtext(void (*textfunction)(const char*,int,float,float), - float (*getwidth)(const char*, int), - const char* str, const Rectangle& r, Flags flags); - -// set where \t characters go in label text formatter: -extern FL_API const int* column_widths_; -inline const int* column_widths() {return column_widths_;} -inline void column_widths(const int* i) {column_widths_ = i;} -// see also Symbol.h for @-sign commands -//@} - -/// \name Images -//@{ -FL_API void drawimage(const uchar*, PixelType, const Rectangle&); -FL_API void drawimage(const uchar*, PixelType, const Rectangle&, int linedelta); - -typedef const uchar* (*DrawImageCallback)(void* data, int x, int y, int w, uchar* buffer); -FL_API void drawimage(DrawImageCallback, void*, PixelType, const Rectangle&); - -FL_API uchar *readimage(uchar *p, PixelType, const Rectangle&); -FL_API uchar *readimage(uchar *p, PixelType, const Rectangle&, int linedelta); - -FL_API void scrollrect(const Rectangle&, int dx, int dy, - void (*draw_area)(void*, const Rectangle&), void*); -//@} - -#ifndef DOXYGEN /* depreciated: */ -FL_API void drawframe(const char* s, int x, int y, int w, int h); -FL_API void drawframe2(const char* s, int x, int y, int w, int h); -FL_API void overlay_rect(int,int,int,int); -FL_API void overlay_clear(); -#endif - -} - -#endif - -// -// End of "$Id: draw.h 5939 2007-08-02 14:19:28Z spitzak $". -// |