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//
// "$Id$"
//
// Definition of classes Fl_Graphics_Driver, Fl_Surface_Device, Fl_Display_Device
// for the Fast Light Tool Kit (FLTK).
//
// Copyright 2010-2017 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_GDI_Graphics_Driver.H
\brief Definition of MSWindows GDI graphics driver.
*/
#ifndef FL_GDI_GRAPHICS_DRIVER_H
#define FL_GDI_GRAPHICS_DRIVER_H
#include <FL/Fl_Graphics_Driver.H>
#include <windows.h>
/**
\brief The MSWindows-specific graphics class.
*
This class is implemented only on the MSWindows platform.
*/
class FL_EXPORT Fl_GDI_Graphics_Driver : public Fl_Scalable_Graphics_Driver {
private:
BOOL alpha_blend_(int x, int y, int w, int h, HDC src_gc, int srcx, int srcy, int srcw, int srch);
int depth; // to support translation
POINT *origins; // to support translation
protected:
HDC gc_;
int numcount;
int counts[20];
uchar **mask_bitmap_;
uchar **mask_bitmap() {return mask_bitmap_;}
void mask_bitmap(uchar **value) { mask_bitmap_ = value; }
int p_size;
POINT *p;
public:
Fl_GDI_Graphics_Driver() {mask_bitmap_ = NULL; gc_ = NULL; p_size = 0; p = NULL; depth = -1; origins = NULL;}
virtual ~Fl_GDI_Graphics_Driver() { if (p) free(p); delete[] origins;}
virtual int has_feature(driver_feature mask) { return mask & NATIVE; }
char can_do_alpha_blending();
virtual void gc(void *ctxt) { gc_ = (HDC)ctxt; global_gc(); }
virtual void *gc() {return gc_;}
// --- bitmap stuff
Fl_Bitmask create_bitmask(int w, int h, const uchar *array);
void delete_bitmask(Fl_Bitmask bm);
virtual void draw_unscaled(const char* str, int n, int x, int y);
virtual void draw_unscaled(int angle, const char *str, int n, int x, int y);
virtual void rtl_draw_unscaled(const char* str, int n, int x, int y);
virtual void font_unscaled(Fl_Font face, Fl_Fontsize size);
void draw_unscaled(Fl_Pixmap *pxm, float s, int XP, int YP, int WP, int HP, int cx, int cy);
void draw_unscaled(Fl_Bitmap *pxm, float s, int XP, int YP, int WP, int HP, int cx, int cy);
void draw_unscaled(Fl_RGB_Image *img, float s, int XP, int YP, int WP, int HP, int cx, int cy);
int draw_scaled(Fl_Image *img, int XP, int YP, int WP, int HP);
virtual void draw_image_unscaled(const uchar* buf, int X,int Y,int W,int H, int D=3, int L=0);
virtual void draw_image_unscaled(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=3);
virtual void draw_image_mono_unscaled(const uchar* buf, int X,int Y,int W,int H, int D=1, int L=0);
virtual void draw_image_mono_unscaled(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=1);
fl_uintptr_t cache(Fl_Pixmap *img, int w, int h, const char *const*array);
fl_uintptr_t cache(Fl_Bitmap *img, int w, int h, const uchar *array);
void uncache(Fl_RGB_Image *img, fl_uintptr_t &id_, fl_uintptr_t &mask_);
virtual double width_unscaled(const char *str, int n);
virtual double width_unscaled(unsigned int c);
void text_extents_unscaled(const char*, int n, int& dx, int& dy, int& w, int& h);
int height_unscaled();
int descent_unscaled();
Fl_Fontsize size_unscaled();
#if ! defined(FL_DOXYGEN)
void copy_offscreen_with_alpha(int x,int y,int w,int h,HBITMAP bitmap,int srcx,int srcy);
#endif
virtual void copy_offscreen_unscaled(float x, float y, float w, float h, Fl_Offscreen pixmap, float srcx, float srcy);
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 translate_all(int x, int y);
void untranslate_all(void);
static HRGN scale_region(HRGN r, float f, bool keep, bool inflate=false);
virtual void scale(float f);
protected:
void transformed_vertex0(float x, float y);
void fixloop();
// --- implementation is in src/fl_rect.cxx which includes src/cfg_gfx/gdi_rect.cxx
virtual void point_unscaled(float x, float y);
void rect_unscaled(float x, float y, float w, float h);
void focus_rect(int x, int y, int w, int h);
void rectf_unscaled(float x, float y, float w, float h);
virtual void line_unscaled(float x, float y, float x1, float y1);
virtual void line_unscaled(float x, float y, float x1, float y1, float x2, float y2);
virtual void xyline_unscaled(float x, float y, float x1);
virtual void xyline_unscaled(float x, float y, float x1, float y2);
virtual void xyline_unscaled(float x, float y, float x1, float y2, float x3);
virtual void yxline_unscaled(float x, float y, float y1);
virtual void yxline_unscaled(float x, float y, float y1, float x2);
virtual void yxline_unscaled(float x, float y, float y1, float x2, float y3);
virtual void loop_unscaled(float x0, float y0, float x1, float y1, float x2, float y2);
virtual void loop_unscaled(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3);
virtual void polygon_unscaled(float x0, float y0, float x1, float y1, float x2, float y2);
virtual void polygon_unscaled(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float 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 push_no_clip();
void pop_clip();
void restore_clip();
virtual Fl_Region scale_clip(float f);
// --- implementation is in src/fl_vertex.cxx which includes src/cfg_gfx/xxx_rect.cxx
void begin_complex_polygon();
void end_points();
void end_line();
void end_loop();
void end_polygon();
void end_complex_polygon();
void gap();
virtual void ellipse_unscaled(double xt, double yt, double rx, double ry);
// --- implementation is in src/fl_arc.cxx which includes src/cfg_gfx/xxx_arc.cxx if needed
// using void Fl_Graphics_Driver::arc(double x, double y, double r, double start, double end);
// --- implementation is in src/fl_arci.cxx which includes src/cfg_gfx/xxx_arci.cxx
virtual void arc_unscaled(float x, float y, float w, float h, double a1, double a2);
virtual void pie_unscaled(float x, float y, float w, float h, double a1, double a2);
// --- implementation is in src/fl_line_style.cxx which includes src/cfg_gfx/xxx_line_style.cxx
virtual void line_style_unscaled(int style, float width, char* dashes);
// --- implementation is in src/fl_color.cxx which includes src/cfg_gfx/xxx_color.cxx
void color(Fl_Color c);
Fl_Color color() { return color_; }
void color(uchar r, uchar g, uchar b);
void set_color(Fl_Color i, unsigned int c);
void free_color(Fl_Color i, int overlay);
void set_spot(int font, int size, int X, int Y, int W, int H, Fl_Window *win);
void reset_spot();
virtual Fl_Font set_fonts(const char *name);
virtual int get_font_sizes(Fl_Font fnum, int*& sizep);
virtual const char* get_font_name(Fl_Font fnum, int* ap);
virtual const char *font_name(int num);
virtual void font_name(int num, const char *name);
virtual unsigned font_desc_size();
void global_gc();
};
/**
The graphics driver used when printing on MSWindows.
*
This class is implemented only on the MSWindows platform. It 's extremely similar to Fl_GDI_Graphics_Driver.
*/
class FL_EXPORT Fl_GDI_Printer_Graphics_Driver : public Fl_GDI_Graphics_Driver {
private:
typedef BOOL (WINAPI* transparent_f_type) (HDC,int,int,int,int,HDC,int,int,int,int,UINT);
transparent_f_type TransparentBlt();
public:
virtual int has_feature(driver_feature mask) { return mask & (NATIVE | PRINTER); }
void draw_unscaled(Fl_Pixmap *pxm, float s, int XP, int YP, int WP, int HP, int cx, int cy);
void draw_unscaled(Fl_Bitmap *bm, float s, int XP, int YP, int WP, int HP, int cx, int cy);
int draw_scaled(Fl_Image *img, int XP, int YP, int WP, int HP);
};
#endif // FL_GDI_GRAPHICS_DRIVER_H
//
// End of "$Id$".
//
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