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/*
ChibiOS/GFX - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
ChibiOS/GFX is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/GFX 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file gwin.h
* @brief GWIN Graphic window subsystem header file.
*
* @addtogroup GWIN
* @{
*/
#ifndef _GWIN_H
#define _GWIN_H
#ifndef GFX_USE_GWIN
#define GFX_USE_GWIN FALSE
#endif
#if GFX_USE_GWIN || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name GWIN more complex functionality to be compiled
* @{
*/
/**
* @brief Should console functions be included.
* @details Defaults to FALSE
*/
#ifndef GWIN_NEED_CONSOLE
#define GWIN_NEED_CONSOLE FALSE
#endif
/**
* @brief Should button functions be included.
* @details Defaults to FALSE
*/
#ifndef GWIN_NEED_BUTTON
#define GWIN_NEED_BUTTON FALSE
#endif
/** @} */
/*===========================================================================*/
/* Low Level Driver details and error checks. */
/*===========================================================================*/
#if !defined(GFX_USE_GDISP) || !GFX_USE_GDISP
#error "GWIN: GFX_USE_GDISP must also be defined"
#endif
#include "gdisp.h"
#if !GDISP_NEED_CLIP
#warning "GWIN: Drawing can occur outside the defined window as GDISP_NEED_CLIP is FALSE"
#endif
#if GWIN_NEED_CONSOLE && !GDISP_NEED_TEXT
#error "GWIN: Text support (GDISP_NEED_TEXT) is required if GWIN_NEED_CONSOLE is defined."
#endif
#if GWIN_NEED_BUTTON && !GDISP_NEED_TEXT
#error "GWIN: Text support (GDISP_NEED_TEXT) is required if GWIN_NEED_BUTTON is defined."
#endif
#if GWIN_NEED_BUTTON
#warning "GWIN: Button support is not complete yet"
#endif
/*===========================================================================*/
/* Type definitions */
/*===========================================================================*/
typedef enum GWindowType_e {
GW_WINDOW, GW_CONSOLE, GW_BUTTON
} GWindowType;
// A basic window
typedef struct GWindowObject_t {
GWindowType type; // What type of window is this
uint16_t flags; // Internal flags
coord_t x, y; // Screen relative position
coord_t width, height; // Dimensions of this window
color_t color, bgcolor; // Current drawing colors
#if GDISP_NEED_TEXT
font_t font; // Current font
#endif
} GWindowObject, * GHandle;
#if GWIN_NEED_CONSOLE
// A console window. Supports wrapped text writing and a cursor.
typedef struct GConsoleObject_t {
GWindowObject gwin;
struct GConsoleWindowStream_t {
const struct GConsoleWindowVMT_t *vmt;
_base_asynchronous_channel_data
} stream;
coord_t cx,cy; // Cursor position
uint8_t fy; // Current font height
uint8_t fp; // Current font inter-character spacing
} GConsoleObject;
#endif
#if GWIN_NEED_BUTTON
typedef enum GButtonShape_e {
GBTN_3D, GBTN_SQUARE, GBTN_ROUNDED, GBTN_ELLIPSE
} GButtonShape;
typedef struct GButtonStyle_t {
GButtonShape shape;
color_t color_up_edge;
color_t color_up_fill;
color_t color_up_txt;
color_t color_dn_edge;
color_t color_dn_fill;
color_t color_dn_txt;
} GButtonStyle;
typedef enum GButtonType_e {
GBTN_NORMAL, GBTN_TOGGLE
} GButtonType;
typedef enum GButtonState_e {
GBTN_UP, GBTN_DOWN
} GButtonState;
// A button window
typedef struct GButtonObject_t {
GWindowObject gwin;
GButtonStyle style;
GButtonState state;
GButtonType type;
const char * txt;
void * callback; // To be fixed
void * inputsrc; // To be fixed
} GButtonObject;
#endif
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
/* Base Functions */
GHandle gwinCreateWindow(GWindowObject *gw, coord_t x, coord_t y, coord_t width, coord_t height);
void gwinDestroyWindow(GHandle gh);
/* Status Functions */
#define gwinGetScreenX(gh) ((gh)->x)
#define gwinGetScreenY(gh) ((gh)->y)
#define gwinGetWidth(gh) ((gh)->width)
#define gwinGetHeight(gh) ((gh)->height)
/* Set up for drawing */
#define gwinSetColor(gh, clr) (gh)->color = (clr)
#define gwinSetBgColor(gh, bgclr) (gh)->bgcolor = (bgclr)
/* Set up for text */
#if GDISP_NEED_TEXT
void gwinSetFont(GHandle gh, font_t font);
#endif
/* Drawing Functions */
void gwinClear(GHandle gh);
void gwinDrawPixel(GHandle gh, coord_t x, coord_t y);
void gwinDrawLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1);
void gwinDrawBox(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy);
void gwinFillArea(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy);
void gwinBlitArea(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx, coord_t srcy, coord_t srccx, const pixel_t *buffer);
/* Circle Functions */
#if GDISP_NEED_CIRCLE
void gwinDrawCircle(GHandle gh, coord_t x, coord_t y, coord_t radius);
void gwinFillCircle(GHandle gh, coord_t x, coord_t y, coord_t radius);
#endif
/* Ellipse Functions */
#if GDISP_NEED_ELLIPSE
void gwinDrawEllipse(GHandle gh, coord_t x, coord_t y, coord_t a, coord_t b);
void gwinFillEllipse(GHandle gh, coord_t x, coord_t y, coord_t a, coord_t b);
#endif
/* Arc Functions */
#if GDISP_NEED_ARC
void gwinDrawArc(GHandle gh, coord_t x, coord_t y, coord_t radius, coord_t startangle, coord_t endangle);
void gwinFillArc(GHandle gh, coord_t x, coord_t y, coord_t radius, coord_t startangle, coord_t endangle);
#endif
/* Read a pixel Function */
#if GDISP_NEED_PIXELREAD
color_t gwinGetPixelColor(GHandle gh, coord_t x, coord_t y);
#endif
/* Extra Text Functions */
#if GDISP_NEED_TEXT
void gwinDrawChar(GHandle gh, coord_t x, coord_t y, char c);
void gwinFillChar(GHandle gh, coord_t x, coord_t y, char c);
void gwinDrawString(GHandle gh, coord_t x, coord_t y, const char *str);
void gwinFillString(GHandle gh, coord_t x, coord_t y, const char *str);
void gwinDrawStringBox(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy, const char* str, justify_t justify);
void gwinFillStringBox(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy, const char* str, justify_t justify);
#endif
#if GWIN_NEED_CONSOLE
GHandle gwinCreateConsole(GConsoleObject *gc, coord_t x, coord_t y, coord_t width, coord_t height, font_t font);
BaseSequentialStream *gwinGetConsoleStream(GHandle gh);
void gwinPutChar(GHandle gh, char c);
void gwinPutString(GHandle gh, const char *str);
void gwinPutCharArray(GHandle gh, const char *str, size_t n);
#endif
#if GWIN_NEED_BUTTON
GHandle gwinCreateButton(GButtonObject *gb, coord_t x, coord_t y, coord_t width, coord_t height, font_t font, GButtonType type);
void gwinSetButtonStyle(GHandle gh, const GButtonStyle *style);
void gwinSetButtonText(GHandle gh, const char *txt, bool_t useAlloc);
void gwinButtonDraw(GHandle gh);
#define gwinGetButtonState(gh) (((GButtonObject *)(gh))->state)
//void gwinSetButtonCallback(GHandle gh, ????);
//void gwinSetButtonInput(GHandle gh, ????);
#endif
#ifdef __cplusplus
}
#endif
#endif /* GFX_USE_GWIN */
#endif /* _GWIN_H */
/** @} */
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