fltk/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.H

184 lines
7.5 KiB
C++

//
// Definition of Apple Quartz graphics driver
// for the Fast Light Tool Kit (FLTK).
//
// Copyright 2010-2022 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:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
/**
\file Fl_Quartz_Graphics_Driver.H
\brief Definition of Apple Quartz graphics driver.
*/
#ifndef FL_QUARTZ_GRAPHICS_DRIVER_H
#define FL_QUARTZ_GRAPHICS_DRIVER_H
#include <FL/platform.H>
#include <FL/Fl_Graphics_Driver.H>
#include <ApplicationServices/ApplicationServices.h>
// condition for the ATSU API to be available at compile time
#if ( (!defined(__LP64__) || !__LP64__) \
&& MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_11 \
&& MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5 \
)
#define HAS_ATSU 1
#else
#define HAS_ATSU 0
#endif
struct Fl_Fontdesc;
class Fl_Quartz_Font_Descriptor;
/**
\brief The Mac OS X-specific graphics class.
This class is implemented only on the Mac OS X platform.
*/
class Fl_Quartz_Graphics_Driver : public Fl_Graphics_Driver {
friend class Fl_Cocoa_Printer_Driver;
friend class Fl_Quartz_Font_Descriptor;
protected:
CGContextRef gc_;
bool high_resolution_;
float quartz_line_width_;
CGLineCap quartz_line_cap_;
CGLineJoin quartz_line_join_;
CGFloat *quartz_line_pattern;
int quartz_line_pattern_size;
virtual void cache_size(Fl_Image* img, int &width, int &height);
public:
Fl_Quartz_Graphics_Driver();
virtual int has_feature(driver_feature mask) { return mask & NATIVE; }
virtual void gc(void *ctxt) { gc_ = (CGContextRef)ctxt; global_gc(); }
virtual void *gc() {return gc_;}
char can_do_alpha_blending();
// --- bitmap stuff
CGImageRef create_bitmask(int w, int h, const uchar *array); // NOT virtual
virtual void delete_bitmask(fl_uintptr_t bm);
void draw_pixmap(Fl_Pixmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy);
void draw_bitmap(Fl_Bitmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy);
void draw_rgb(Fl_RGB_Image *img, int XP, int YP, int WP, int HP, int cx, int cy);
void draw_image(const uchar* buf, int X,int Y,int W,int H, int D=3, int L=0);
void draw_image(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=3);
void draw_image_mono(const uchar* buf, int X,int Y,int W,int H, int D=1, int L=0);
void draw_image_mono(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=1);
void cache(Fl_Pixmap *img);
void cache(Fl_Bitmap *img);
void cache(Fl_RGB_Image *img);
void uncache(Fl_RGB_Image *img, fl_uintptr_t &id_, fl_uintptr_t &mask_);
void copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy);
void draw_CGImage(CGImageRef cgimg, int x, int y, int w, int h, int srcx, int srcy, int sw, int sh);
static CGRect fl_cgrectmake_cocoa(int x, int y, int w, int h);
void add_rectangle_to_region(Fl_Region r, int x, int y, int w, int h);
Fl_Region XRectangleRegion(int x, int y, int w, int h);
void XDestroyRegion(Fl_Region r);
void high_resolution(bool b) { high_resolution_ = b; }
protected:
void point(int x, int y);
void rect(int x, int y, int w, int h);
void focus_rect(int x, int y, int w, int h);
void rectf(int x, int y, int w, int h);
void line(int x, int y, int x1, int y1);
void line(int x, int y, int x1, int y1, int x2, int y2);
void xyline(int x, int y, int x1);
void xyline(int x, int y, int x1, int y2);
void xyline(int x, int y, int x1, int y2, int x3);
void yxline(int x, int y, int y1);
void yxline(int x, int y, int y1, int x2);
void yxline(int x, int y, int y1, int x2, int y3);
void loop(int x0, int y0, int x1, int y1, int x2, int y2);
void loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
void polygon(int x0, int y0, int x1, int y1, int x2, int y2);
void polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
// --- clipping
void push_clip(int x, int y, int w, int h);
int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H);
int not_clipped(int x, int y, int w, int h);
void restore_clip();
void end_points();
void end_line();
void end_polygon();
void end_complex_polygon();
void circle(double x, double y, double r);
void arc(int x, int y, int w, int h, double a1, double a2);
void pie(int x, int y, int w, int h, double a1, double a2);
void line_style(int style, int width=0, char* dashes=0);
void color(Fl_Color c);
void set_color(Fl_Color i, unsigned int c);
Fl_Color color() { return color_; }
void color(uchar r, uchar g, uchar b);
void draw(const char *str, int n, int x, int y);
void draw(const char *str, int n, float x, float y);
void draw(int angle, const char *str, int n, int x, int y);
double width(const UniChar* txt, int n);
void rtl_draw(const char *str, int n, int x, int y);
void font(Fl_Font face, Fl_Fontsize fsize);
double width(const char *str, int n);
double width(unsigned int c);
int height();
int descent();
virtual bool high_resolution() { return high_resolution_; }
virtual void global_gc();
void quartz_restore_line_style();
inline Fl_Quartz_Font_Descriptor *valid_font_descriptor();
virtual const char* get_font_name(Fl_Font fnum, int* ap);
virtual int get_font_sizes(Fl_Font fnum, int*& sizep);
virtual const char *font_name(int num);
virtual void font_name(int num, const char *name);
Fl_Fontdesc* calc_fl_fonts(void);
virtual void text_extents(const char*, int n, int& dx, int& dy, int& w, int& h);
virtual Fl_Font set_fonts(const char* xstarname);
void set_fontname_in_fontdesc(Fl_Fontdesc *f);
virtual void uncache_pixmap(fl_uintptr_t p);
#if HAS_ATSU && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
enum {use_CoreText = 1, use_ATSU};
static int CoreText_or_ATSU;
static void init_CoreText_or_ATSU();
void draw_CoreText(const char *str, int n, float x, float y);
double width_CoreText(const UniChar* txt, int n);
void descriptor_init_CoreText(const char* name, Fl_Fontsize Size, Fl_Quartz_Font_Descriptor *d);
void text_extents_CoreText(const char*, int n, int& dx, int& dy, int& w, int& h);
Fl_Font set_fonts_CoreText(const char* xstarname);
void draw_ATSU(const char *str, int n, float x, float y);
double width_ATSU(const UniChar* txt, int n);
void descriptor_init_ATSU(const char* name, Fl_Fontsize Size, Fl_Quartz_Font_Descriptor *d);
void text_extents_ATSU(const char*, int n, int& dx, int& dy, int& w, int& h);
Fl_Font set_fonts_ATSU(const char* xstarname);
// define 2 kinds of pointers to member function
typedef void (Fl_Quartz_Graphics_Driver::*pter_to_draw_member)(const char *str, int n, float x, float y);
typedef double (Fl_Quartz_Graphics_Driver::*pter_to_width_member)(const UniChar *str, int n);
static pter_to_draw_member CoreText_or_ATSU_draw;
static pter_to_width_member CoreText_or_ATSU_width;
#else
void descriptor_init(const char* name, Fl_Fontsize Size, Fl_Quartz_Font_Descriptor *d);
#endif
virtual void overlay_rect(int x, int y, int w , int h);
virtual float override_scale();
virtual void restore_scale(float);
virtual void antialias(int state);
virtual int antialias();
};
class Fl_Quartz_Printer_Graphics_Driver : public Fl_Quartz_Graphics_Driver {
public:
virtual int has_feature(driver_feature mask) { return mask & (NATIVE | PRINTER); }
};
#endif // FL_QUARTZ_GRAPHICS_DRIVER_H