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| FL_EXPORT int | fl_add_symbol (const char *name, void(*drawit)(Fl_Color), int scalable) |
| | Adds a symbol to the system. More...
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| void | fl_arc (double x, double y, double r, double start, double end) |
| | Adds a series of points to the current path on the arc of a circle. More...
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| void | fl_arc (int x, int y, int w, int h, double a1, double a2) |
| | Draw ellipse sections using integer coordinates. More...
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| void | fl_begin_complex_polygon () |
| | Starts drawing a complex filled polygon. More...
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void | fl_begin_line () |
| | Starts drawing a list of lines.
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void | fl_begin_loop () |
| | Starts drawing a closed sequence of lines.
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| void | fl_begin_points () |
| | Starts drawing a list of points. More...
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void | fl_begin_polygon () |
| | Starts drawing a convex filled polygon.
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| FL_EXPORT char | fl_can_do_alpha_blending () |
| | Checks whether platform supports true alpha blending for RGBA images. More...
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FL_EXPORT void | fl_chord (int x, int y, int w, int h, double a1, double a2) |
| | fl_chord declaration is a place holder - the function does not yet exist
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| void | fl_circle (double x, double y, double r) |
| | fl_circle() is equivalent to fl_arc(x,y,r,0,360), but may be faster. More...
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| int | fl_clip_box (int x, int y, int w, int h, int &X, int &Y, int &W, int &H) |
| | Intersects the rectangle with the current clip region and returns the bounding box of the result. More...
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Fl_Region | fl_clip_region () |
| | Returns the current clipping region.
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| void | fl_clip_region (Fl_Region r) |
| | Replaces the top of the clipping stack with a clipping region of any shape. More...
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| Fl_Color | fl_color () |
| | Returns the last fl_color() that was set. More...
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| void | fl_color (Fl_Color c) |
| | Sets the color for all subsequent drawing operations. More...
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void | fl_color (int c) |
| | for back compatibility - use fl_color(Fl_Color c) instead
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| void | fl_color (uchar r, uchar g, uchar b) |
| | Sets the color for all subsequent drawing operations. More...
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| FL_EXPORT void | fl_cursor (Fl_Cursor) |
| | Sets the cursor for the current window to the specified shape and colors. More...
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FL_EXPORT void | fl_cursor (Fl_Cursor, Fl_Color fg, Fl_Color bg=FL_WHITE) |
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| void | fl_curve (double X0, double Y0, double X1, double Y1, double X2, double Y2, double X3, double Y3) |
| | Adds a series of points on a Bezier curve to the path. More...
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int | fl_descent () |
| | Returns the recommended distance above the bottom of a fl_height() tall box to draw the text at so it looks centered vertically in that box.
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void | fl_draw (const char *str, int n, int x, int y) |
| | Draws starting at the given x, y location a UTF-8 string of length n bytes.
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| FL_EXPORT void | fl_draw (const char *str, int x, int y) |
| | Draws a nul-terminated UTF-8 string starting at the given x, y location. More...
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| FL_EXPORT void | fl_draw (const char *str, int x, int y, int w, int h, Fl_Align align, Fl_Image *img=0, int draw_symbols=1) |
| | Fancy string drawing function which is used to draw all the labels. More...
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FL_EXPORT void | fl_draw (const char *str, int x, int y, int w, int h, Fl_Align align, void(*callthis)(const char *, int, int, int), Fl_Image *img=0, int draw_symbols=1) |
| | The same as fl_draw(const char*,int,int,int,int,Fl_Align,Fl_Image*,int) with the addition of the callthis parameter, which is a pointer to a text drawing function such as fl_draw(const char*, int, int, int) to do the real work.
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| void | fl_draw (int angle, const char *str, int n, int x, int y) |
| | Draws at the given x, y location a UTF-8 string of length n bytes rotating angle degrees counter-clockwise. More...
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| FL_EXPORT void | fl_draw (int angle, const char *str, int x, int y) |
| | Draws a nul-terminated UTF-8 string starting at the given x, y location and rotating angle degrees counter-clockwise. More...
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| FL_EXPORT void | fl_draw_box (Fl_Boxtype, int x, int y, int w, int h, Fl_Color) |
| | Draws a box using given type, position, size and color. More...
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| void | fl_draw_image (const uchar *buf, int X, int Y, int W, int H, int D=3, int L=0) |
| | Draws an 8-bit per color RGB or luminance image. More...
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| void | fl_draw_image (Fl_Draw_Image_Cb cb, void *data, int X, int Y, int W, int H, int D=3) |
| | Draws an image using a callback function to generate image data. More...
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| void | fl_draw_image_mono (const uchar *buf, int X, int Y, int W, int H, int D=1, int L=0) |
| | Draws a gray-scale (1 channel) image. More...
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| void | fl_draw_image_mono (Fl_Draw_Image_Cb cb, void *data, int X, int Y, int W, int H, int D=1) |
| | Draws a gray-scale image using a callback function to generate image data. More...
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| FL_EXPORT int | fl_draw_pixmap (char *const *data, int x, int y, Fl_Color=FL_GRAY) |
| | Draw XPM image data, with the top-left corner at the given position. More...
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| FL_EXPORT int | fl_draw_pixmap (const char *const *cdata, int x, int y, Fl_Color=FL_GRAY) |
| | Draw XPM image data, with the top-left corner at the given position. More...
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| FL_EXPORT int | fl_draw_symbol (const char *label, int x, int y, int w, int h, Fl_Color) |
| | Draw the named symbol in the given rectangle using the given color. More...
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void | fl_end_complex_polygon () |
| | Ends complex filled polygon, and draws.
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void | fl_end_line () |
| | Ends list of lines, and draws.
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void | fl_end_loop () |
| | Ends closed sequence of lines, and draws.
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void | fl_end_points () |
| | Ends list of points, and draws.
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void | fl_end_polygon () |
| | Ends convex filled polygon, and draws.
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| FL_EXPORT const char * | fl_expand_text (const char *from, char *buf, int maxbuf, double maxw, int &n, double &width, int wrap, int draw_symbols=0) |
| | Copy from to buf, replacing control characters with ^X. More...
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| Fl_Font | fl_font () |
| | Returns the face set by the most recent call to fl_font(). More...
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| void | fl_font (Fl_Font face, Fl_Fontsize fsize) |
| | Sets the current font, which is then used in various drawing routines. More...
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| FL_EXPORT void | fl_frame (const char *s, int x, int y, int w, int h) |
| | Draws a series of line segments around the given box. More...
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| FL_EXPORT void | fl_frame2 (const char *s, int x, int y, int w, int h) |
| | Draws a series of line segments around the given box. More...
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| void | fl_gap () |
| | Call fl_gap() to separate loops of the path. More...
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| int | fl_height () |
| | Returns the recommended minimum line spacing for the current font. More...
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| FL_EXPORT int | fl_height (int font, int size) |
| | This function returns the actual height of the specified font and size. More...
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| FL_EXPORT const char * | fl_latin1_to_local (const char *t, int n=-1) |
| | Converts text from Windows/X11 latin1 character set to local encoding. More...
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void | fl_line (int x, int y, int x1, int y1) |
| | Draws a line from (x,y) to (x1,y1)
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void | fl_line (int x, int y, int x1, int y1, int x2, int y2) |
| | Draws a line from (x,y) to (x1,y1) and another from (x1,y1) to (x2,y2)
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| void | fl_line_style (int style, int width=0, char *dashes=0) |
| | Sets how to draw lines (the "pen"). More...
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| FL_EXPORT const char * | fl_local_to_latin1 (const char *t, int n=-1) |
| | Converts text from local encoding to Windowx/X11 latin1 character set. More...
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| FL_EXPORT const char * | fl_local_to_mac_roman (const char *t, int n=-1) |
| | Converts text from local encoding to Mac Roman character set. More...
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void | fl_loop (int x, int y, int x1, int y1, int x2, int y2) |
| | Outlines a 3-sided polygon with lines.
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void | fl_loop (int x, int y, int x1, int y1, int x2, int y2, int x3, int y3) |
| | Outlines a 4-sided polygon with lines.
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| FL_EXPORT const char * | fl_mac_roman_to_local (const char *t, int n=-1) |
| | Converts text from Mac Roman character set to local encoding. More...
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| FL_EXPORT void | fl_measure (const char *str, int &x, int &y, int draw_symbols=1) |
| | Measure how wide and tall the string will be when printed by the fl_draw() function with align parameter. More...
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| FL_EXPORT int | fl_measure_pixmap (char *const *data, int &w, int &h) |
| | Get the dimensions of a pixmap. More...
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| FL_EXPORT int | fl_measure_pixmap (const char *const *cdata, int &w, int &h) |
| | Get the dimensions of a pixmap. More...
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| void | fl_mult_matrix (double a, double b, double c, double d, double x, double y) |
| | Concatenates another transformation onto the current one. More...
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| int | fl_not_clipped (int x, int y, int w, int h) |
| | Does the rectangle intersect the current clip region? More...
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| FL_EXPORT unsigned int | fl_old_shortcut (const char *s) |
| | Emulation of XForms named shortcuts. More...
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FL_EXPORT void | fl_overlay_clear () |
| | Erase a selection rectangle without drawing a new one.
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FL_EXPORT void | fl_overlay_rect (int x, int y, int w, int h) |
| | Draws a selection rectangle, erasing a previous one by XOR'ing it first.
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| void | fl_pie (int x, int y, int w, int h, double a1, double a2) |
| | Draw filled ellipse sections using integer coordinates. More...
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void | fl_point (int x, int y) |
| | Draws a single pixel at the given coordinates.
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| void | fl_polygon (int x, int y, int x1, int y1, int x2, int y2) |
| | Fills a 3-sided polygon. More...
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| void | fl_polygon (int x, int y, int x1, int y1, int x2, int y2, int x3, int y3) |
| | Fills a 4-sided polygon. More...
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| void | fl_pop_clip () |
| | Restores the previous clip region. More...
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void | fl_pop_matrix () |
| | Restores the current transformation matrix from the stack.
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| void | fl_push_clip (int x, int y, int w, int h) |
| | Intersects the current clip region with a rectangle and pushes this new region onto the stack. More...
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| void | fl_push_matrix () |
| | Saves the current transformation matrix on the stack. More...
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void | fl_push_no_clip () |
| | Pushes an empty clip region onto the stack so nothing will be clipped.
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| FL_EXPORT uchar * | fl_read_image (uchar *p, int X, int Y, int W, int H, int alpha=0) |
| | Reads an RGB(A) image from the current window or off-screen buffer. More...
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| void | fl_rect (int x, int y, int w, int h) |
| | Draws a 1-pixel border inside the given bounding box. More...
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void | fl_rect (int x, int y, int w, int h, Fl_Color c) |
| | Draws with passed color a 1-pixel border inside the given bounding box.
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void | fl_rectf (int x, int y, int w, int h) |
| | Colors with current color a rectangle that exactly fills the given bounding box.
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void | fl_rectf (int x, int y, int w, int h, Fl_Color c) |
| | Colors with passed color a rectangle that exactly fills the given bounding box.
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| FL_EXPORT void | fl_rectf (int x, int y, int w, int h, uchar r, uchar g, uchar b) |
| | Colors a rectangle with "exactly" the passed r,g,b color. More...
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| FL_EXPORT void | fl_reset_spot (void) |
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void | fl_restore_clip () |
| | Undoes any clobbering of clip done by your program.
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| void | fl_rotate (double d) |
| | Concatenates rotation transformation onto the current one. More...
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void | fl_rtl_draw (const char *str, int n, int x, int y) |
| | Draws a UTF-8 string of length n bytes right to left starting at the given x, y location.
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| void | fl_scale (double x) |
| | Concatenates scaling transformation onto the current one. More...
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| void | fl_scale (double x, double y) |
| | Concatenates scaling transformation onto the current one. More...
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| FL_EXPORT void | fl_scroll (int X, int Y, int W, int H, int dx, int dy, void(*draw_area)(void *, int, int, int, int), void *data) |
| | Scroll a rectangle and draw the newly exposed portions. More...
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| FL_EXPORT void | fl_set_spot (int font, int size, int X, int Y, int W, int H, Fl_Window *win=0) |
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| FL_EXPORT void | fl_set_status (int X, int Y, int W, int H) |
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| FL_EXPORT const char * | fl_shortcut_label (unsigned int shortcut) |
| | Get a human-readable string from a shortcut value. More...
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| FL_EXPORT const char * | fl_shortcut_label (unsigned int shortcut, const char **eom) |
| | Get a human-readable string from a shortcut value. More...
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| Fl_Fontsize | fl_size () |
| | Returns the size set by the most recent call to fl_font(). More...
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| FL_EXPORT void | fl_text_extents (const char *, int &dx, int &dy, int &w, int &h) |
| | Determines the minimum pixel dimensions of a nul-terminated string. More...
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| void | fl_text_extents (const char *t, int n, int &dx, int &dy, int &w, int &h) |
| | Determines the minimum pixel dimensions of a sequence of n characters. More...
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| double | fl_transform_dx (double x, double y) |
| | Transforms distance using current transformation matrix. More...
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| double | fl_transform_dy (double x, double y) |
| | Transforms distance using current transformation matrix. More...
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| double | fl_transform_x (double x, double y) |
| | Transforms coordinate using the current transformation matrix. More...
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| double | fl_transform_y (double x, double y) |
| | Transforms coordinate using the current transformation matrix. More...
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| void | fl_transformed_vertex (double xf, double yf) |
| | Adds coordinate pair to the vertex list without further transformations. More...
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| void | fl_translate (double x, double y) |
| | Concatenates translation transformation onto the current one. More...
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| void | fl_vertex (double x, double y) |
| | Adds a single vertex to the current path. More...
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FL_EXPORT double | fl_width (const char *txt) |
| | Returns the typographical width of a nul-terminated string using the current font face and size.
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double | fl_width (const char *txt, int n) |
| | Returns the typographical width of a sequence of n characters using the current font face and size.
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| double | fl_width (unsigned int c) |
| | Returns the typographical width of a single character using the current font face and size. More...
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void | fl_xyline (int x, int y, int x1) |
| | Draws a horizontal line from (x,y) to (x1,y)
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void | fl_xyline (int x, int y, int x1, int y2) |
| | Draws a horizontal line from (x,y) to (x1,y), then vertical from (x1,y) to (x1,y2)
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void | fl_xyline (int x, int y, int x1, int y2, int x3) |
| | Draws a horizontal line from (x,y) to (x1,y), then a vertical from (x1,y) to (x1,y2) and then another horizontal from (x1,y2) to (x3,y2)
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void | fl_yxline (int x, int y, int y1) |
| | Draws a vertical line from (x,y) to (x,y1)
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void | fl_yxline (int x, int y, int y1, int x2) |
| | Draws a vertical line from (x,y) to (x,y1), then a horizontal from (x,y1) to (x2,y1)
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void | fl_yxline (int x, int y, int y1, int x2, int y3) |
| | Draws a vertical line from (x,y) to (x,y1) then a horizontal from (x,y1) to (x2,y1), then another vertical from (x2,y1) to (x2,y3)
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