16705ef734
Graphics drivers now use up to 6 virtual member functions to support Fl_Image drawing in the context of GUI and image rescaling : virtual void draw_pixmap(Fl_Pixmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy) virtual void draw_bitmap(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int cx, int cy) virtual void draw_rgb(Fl_RGB_Image *rgb, int XP, int YP, int WP, int HP, int cx, int cy) and virtual void draw_fixed(Fl_Pixmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy) virtual void draw_fixed(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int cx, int cy) virtual void draw_fixed(Fl_RGB_Image *rgb, int XP, int YP, int WP, int HP, int cx, int cy) git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12828 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
219 lines
10 KiB
C++
219 lines
10 KiB
C++
//
|
|
// "$Id$"
|
|
//
|
|
// Definition of the Pico minimal graphics driver
|
|
// for the Fast Light Tool Kit (FLTK).
|
|
//
|
|
// Copyright 2010-2016 by Bill Spitzak and others.
|
|
//
|
|
// This library is free software. Distribution and use rights are outlined in
|
|
// the file "COPYING" which should have been included with this file. If this
|
|
// file is missing or damaged, see the license at:
|
|
//
|
|
// http://www.fltk.org/COPYING.php
|
|
//
|
|
// Please report all bugs and problems on the following page:
|
|
//
|
|
// http://www.fltk.org/str.php
|
|
//
|
|
|
|
/**
|
|
\file Fl_Pico_Graphics_Driver.H
|
|
\brief Definition of Pico minimal graphics driver.
|
|
*/
|
|
|
|
#ifndef FL_PICO_GRAPHICS_DRIVER_H
|
|
#define FL_PICO_GRAPHICS_DRIVER_H
|
|
|
|
#include <FL/Fl_Graphics_Driver.H>
|
|
|
|
|
|
/**
|
|
\brief The Pico minimal graphics class.
|
|
*
|
|
This class is implemented as a base class for minimal core drivers.
|
|
*/
|
|
class Fl_Pico_Graphics_Driver : public Fl_Graphics_Driver {
|
|
// friend class Fl_Surface_Device;
|
|
// friend class Fl_Pixmap;
|
|
// friend class Fl_Bitmap;
|
|
// friend class Fl_RGB_Image;
|
|
// friend int fl_draw_pixmap(const char*const* cdata, int x, int y, Fl_Color bg);
|
|
//public:
|
|
// // The following functions create the various graphics drivers that are required
|
|
// // for core operations. They must be implemented as members of Fl_Graphics_Driver,
|
|
// // but located in the device driver module that is linked to the core library
|
|
// static Fl_Graphics_Driver *newMainGraphicsDriver();
|
|
// //static Fl_Graphics_Driver *newOpenGLGraphicsDriver();
|
|
// //static Fl_Graphics_Driver *newPrinterGraphicsDriver();
|
|
// //static Fl_Graphics_Driver *new...;
|
|
//public:
|
|
// /** A 2D coordinate transformation matrix */
|
|
// struct matrix {double a, b, c, d, x, y;};
|
|
// /** Features that a derived class may possess. */
|
|
// typedef enum {
|
|
// NATIVE = 1, /**< native graphics driver for the platform */
|
|
// PRINTER = 2 /**< graphics driver for a printer drawing surface */
|
|
// } driver_feature;
|
|
//
|
|
// int fl_clip_state_number;
|
|
//protected:
|
|
// static const matrix m0;
|
|
// Fl_Font font_; // current font
|
|
// Fl_Fontsize size_; // current font size
|
|
// Fl_Color color_; // current color
|
|
// int sptr;
|
|
// static const int matrix_stack_size = FL_MATRIX_STACK_SIZE;
|
|
// matrix stack[FL_MATRIX_STACK_SIZE];
|
|
// matrix m;
|
|
// int n, p_size, gap_;
|
|
// XPOINT *p;
|
|
// int what;
|
|
// int rstackptr;
|
|
// static const int region_stack_max = FL_REGION_STACK_SIZE - 1;
|
|
// Fl_Region rstack[FL_REGION_STACK_SIZE];
|
|
// Fl_Font_Descriptor *font_descriptor_;
|
|
//#ifndef FL_DOXYGEN
|
|
// enum {LINE, LOOP, POLYGON, POINT_};
|
|
// inline int vertex_no() { return n; }
|
|
// inline XPOINT *vertices() {return p;}
|
|
// inline int vertex_kind() {return what;}
|
|
//#endif
|
|
// matrix *fl_matrix; /**< Points to the current coordinate transformation matrix */
|
|
//
|
|
// // === all code below in this class has been to the reorganisation FL_PORTING process
|
|
//public:
|
|
// Fl_Graphics_Driver();
|
|
// virtual ~Fl_Graphics_Driver() { if (p) free(p); }
|
|
// virtual char can_do_alpha_blending() { return 0; }
|
|
// // --- implementation is in src/fl_rect.cxx which includes src/drivers/xxx/Fl_xxx_Graphics_Driver_rect.cxx
|
|
virtual void point(int x, int y);
|
|
virtual void rect(int x, int y, int w, int h);
|
|
// virtual void focus_rect(int x, int y, int w, int h);
|
|
virtual void rectf(int x, int y, int w, int h);
|
|
virtual void line(int x, int y, int x1, int y1);
|
|
virtual void line(int x, int y, int x1, int y1, int x2, int y2);
|
|
virtual void xyline(int x, int y, int x1);
|
|
virtual void xyline(int x, int y, int x1, int y2);
|
|
virtual void xyline(int x, int y, int x1, int y2, int x3) ;
|
|
virtual void yxline(int x, int y, int y1) ;
|
|
virtual void yxline(int x, int y, int y1, int x2) ;
|
|
virtual void yxline(int x, int y, int y1, int x2, int y3) ;
|
|
virtual void loop(int x0, int y0, int x1, int y1, int x2, int y2) ;
|
|
virtual void loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3) ;
|
|
virtual void polygon(int x0, int y0, int x1, int y1, int x2, int y2) ;
|
|
virtual void polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3) ;
|
|
// // --- clipping
|
|
virtual void push_clip(int x, int y, int w, int h) ;
|
|
virtual int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H) ;
|
|
virtual int not_clipped(int x, int y, int w, int h) ;
|
|
virtual void push_no_clip() ;
|
|
virtual void pop_clip() ;
|
|
// virtual Fl_Region clip_region(); // has default implementation
|
|
// virtual void clip_region(Fl_Region r); // has default implementation
|
|
// virtual void restore_clip();
|
|
// // --- implementation is in src/fl_vertex.cxx which includes src/drivers/xxx/Fl_xxx_Graphics_Driver_vertex.cxx
|
|
// virtual void push_matrix();
|
|
// virtual void pop_matrix();
|
|
// virtual void mult_matrix(double a, double b, double c, double d, double x, double y);
|
|
// virtual void rotate(double d);
|
|
// virtual void scale(double x, double y);
|
|
// virtual void scale(double x);
|
|
// virtual void translate(double x,double y);
|
|
virtual void begin_points();
|
|
virtual void begin_line();
|
|
virtual void begin_loop();
|
|
virtual void begin_polygon();
|
|
virtual void begin_complex_polygon() ;
|
|
// virtual double transform_x(double x, double y);
|
|
// virtual double transform_y(double x, double y);
|
|
// virtual double transform_dx(double x, double y);
|
|
// virtual double transform_dy(double x, double y);
|
|
virtual void transformed_vertex(double xf, double yf) ;
|
|
virtual void vertex(double x, double y) ;
|
|
virtual void end_points() ;
|
|
virtual void end_line() ;
|
|
virtual void end_loop() ;
|
|
virtual void end_polygon() ;
|
|
virtual void end_complex_polygon() ;
|
|
virtual void gap() ;
|
|
virtual void circle(double x, double y, double r) ;
|
|
// // --- implementation is in src/fl_arc.cxx which includes src/drivers/xxx/Fl_xxx_Graphics_Driver_arc.cxx if needed
|
|
// virtual void arc(double x, double y, double r, double start, double end);
|
|
// // --- implementation is in src/fl_arci.cxx which includes src/drivers/xxx/Fl_xxx_Graphics_Driver_arci.cxx
|
|
virtual void arc(int x, int y, int w, int h, double a1, double a2) ;
|
|
virtual void pie(int x, int y, int w, int h, double a1, double a2) ;
|
|
// // --- implementation is in src/fl_curve.cxx which includes src/drivers/xxx/Fl_xxx_Graphics_Driver_curve.cxx if needed
|
|
// virtual void curve(double X0, double Y0, double X1, double Y1, double X2, double Y2, double X3, double Y3);
|
|
// // --- implementation is in src/fl_line_style.cxx which includes src/cfg_gfx/xxx_line_style.cxx
|
|
virtual void line_style(int style, int width=0, char* dashes=0) ;
|
|
// // --- implementation is in src/fl_color.cxx which includes src/cfg_gfx/xxx_color.cxx
|
|
// virtual void color(Fl_Color c) { color_ = c; }
|
|
// virtual Fl_Color color() { return color_; }
|
|
virtual void color(uchar r, uchar g, uchar b) ;
|
|
// // --- implementation is in src/fl_font.cxx which includes src/drivers/xxx/Fl_xxx_Graphics_Driver_font.cxx
|
|
virtual void draw(const char *str, int n, int x, int y) ;
|
|
// virtual void draw(const char *str, int n, float x, float y) { draw(str, n, (int)(x+0.5), (int)(y+0.5));}
|
|
// virtual void draw(int angle, const char *str, int n, int x, int y) { draw(str, n, x, y); }
|
|
// virtual void rtl_draw(const char *str, int n, int x, int y) { draw(str, n, x, y); }
|
|
// /** Returns non-zero if the graphics driver possesses the \p feature */
|
|
// virtual int has_feature(driver_feature feature) { return 0; }
|
|
// virtual void font(Fl_Font face, Fl_Fontsize fsize) {font_ = face; size_ = fsize;}
|
|
// virtual Fl_Font font() {return font_; }
|
|
// virtual Fl_Fontsize size() {return size_; }
|
|
virtual double width(const char *str, int n);
|
|
// virtual double width(unsigned int c) { char ch = (char)c; return width(&ch, 1); }
|
|
virtual int height();
|
|
virtual int descent();
|
|
// virtual Fl_Font_Descriptor *font_descriptor() { return font_descriptor_;}
|
|
// virtual void font_descriptor(Fl_Font_Descriptor *d) { font_descriptor_ = d;}
|
|
// // --- implementation is in src/fl_image.cxx which includes src/drivers/xxx/Fl_xxx_Graphics_Driver_font.cxx
|
|
virtual Fl_Bitmask create_bitmask(int w, int h, const uchar *array) ;
|
|
// virtual fl_uintptr_t cache(Fl_Pixmap *img, int w, int h, const char *const*array) { return 0; }
|
|
// virtual fl_uintptr_t cache(Fl_Bitmap *img, int w, int h, const uchar *array) { return 0; }
|
|
// virtual void uncache(Fl_RGB_Image *img, fl_uintptr_t &id_, fl_uintptr_t &mask_) { }
|
|
virtual void delete_bitmask(Fl_Bitmask bm) ;
|
|
// virtual void draw_image(const uchar* buf, int X,int Y,int W,int H, int D=3, int L=0) {}
|
|
// virtual void draw_image_mono(const uchar* buf, int X,int Y,int W,int H, int D=1, int L=0) {}
|
|
// virtual void draw_image(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=3) {}
|
|
// virtual void draw_image_mono(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=1) {}
|
|
// /** \brief Draws an Fl_RGB_Image object to the device.
|
|
// *
|
|
// Specifies a bounding box for the image, with the origin (upper left-hand corner) of
|
|
// the image offset by the cx and cy arguments.
|
|
// */
|
|
// virtual void draw(Fl_RGB_Image * rgb,int XP, int YP, int WP, int HP, int cx, int cy) {}
|
|
// /** \brief Draws an Fl_Pixmap object to the device.
|
|
// *
|
|
// Specifies a bounding box for the image, with the origin (upper left-hand corner) of
|
|
// the image offset by the cx and cy arguments.
|
|
// */
|
|
// virtual void draw(Fl_Pixmap * pxm,int XP, int YP, int WP, int HP, int cx, int cy) {}
|
|
// /** \brief Draws an Fl_Bitmap object to the device.
|
|
// *
|
|
// Specifies a bounding box for the image, with the origin (upper left-hand corner) of
|
|
// the image offset by the cx and cy arguments.
|
|
// */
|
|
// virtual void draw(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int cx, int cy) {}
|
|
// virtual void copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy);
|
|
//
|
|
// /** Sets the value of the driver-specific graphics context. */
|
|
// virtual void gc(void*) {}
|
|
// /** Returns the driver-specific graphics context, of NULL if there's none. */
|
|
// virtual void *gc(void) {return NULL;}
|
|
// /** Support for pixmap drawing */
|
|
// virtual uchar **mask_bitmap() { return 0; }
|
|
// /** Support for pixmap drawing */
|
|
// virtual void mask_bitmap(uchar **) {}
|
|
//protected:
|
|
// // --- implementation is in src/fl_vertex.cxx which includes src/cfg_gfx/xxx_rect.cxx
|
|
// virtual void transformed_vertex0(COORD_T x, COORD_T y);
|
|
// virtual void fixloop();
|
|
};
|
|
|
|
#endif // FL_PICO_GRAPHICS_DRIVER_H
|
|
|
|
//
|
|
// End of "$Id$".
|
|
//
|