EFM32 Happy Gecko Software Documentation
efm32hg-doc-5.1.2
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Silicon Labs Graphics Library.
Copyright 2015 Silicon Labs, http://www.silabs.com
This file is licensensed under the Silabs License Agreement. See the file "Silabs_License_Agreement.txt" for details. Before using this software for any purpose, you must agree to the terms of that agreement.
Definition in file glib.h.
#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>
#include "glib_color.h"
#include "dmd/dmd.h"
#include "em_types.h"
Go to the source code of this file.
Data Structures | |
struct | __GLIB_Context_t |
GLIB Drawing Context (Multiple instances of GLIB_Context_t can exist) More... | |
struct | __GLIB_Font_t |
Font definition structure. More... | |
struct | __GLIB_Rectangle_t |
Rectangle structure. More... | |
Macros | |
#define | ECODE_GLIB_BASE 0x00000000 |
#define | GLIB_ERROR_FILE_NOT_SUPPORTED (ECODE_GLIB_BASE | 0x0007) |
#define | GLIB_ERROR_INVALID_ARGUMENT (ECODE_GLIB_BASE | 0x0005) |
#define | GLIB_ERROR_INVALID_CHAR (ECODE_GLIB_BASE | 0x0002) |
#define | GLIB_ERROR_INVALID_CLIPPINGREGION (ECODE_GLIB_BASE | 0x0004) |
#define | GLIB_ERROR_INVALID_FILE (ECODE_GLIB_BASE | 0x0009) |
#define | GLIB_ERROR_IO (ECODE_GLIB_BASE | 0x0008) |
#define | GLIB_ERROR_NOTHING_TO_DRAW (ECODE_GLIB_BASE | 0x0001) |
#define | GLIB_ERROR_OUT_OF_MEMORY (ECODE_GLIB_BASE | 0x0006) |
#define | GLIB_OK 0x00000000 |
#define | GLIB_OUT_OF_BOUNDS (ECODE_GLIB_BASE | 0x0003) |
Typedefs | |
typedef struct __GLIB_Context_t | GLIB_Context_t |
GLIB Drawing Context (Multiple instances of GLIB_Context_t can exist) | |
typedef enum __GLIB_Font_Class | GLIB_Font_Class |
Font classes. | |
typedef struct __GLIB_Font_t | GLIB_Font_t |
Font definition structure. | |
typedef struct __GLIB_Rectangle_t | GLIB_Rectangle_t |
Rectangle structure. | |
Enumerations | |
enum | __GLIB_Font_Class { InvalidFont = 0, FullFont, NumbersOnlyFont } |
Font classes. More... | |
Functions | |
EMSTATUS | GLIB_applyClippingRegion (const GLIB_Context_t *pContext) |
Apply the clipping region from the GLIB_Context_t in the DMD driver. More... | |
EMSTATUS | GLIB_clear (GLIB_Context_t *pContext) |
Clears the display with the background color of the GLIB_Context_t. More... | |
EMSTATUS | GLIB_clearRegion (const GLIB_Context_t *pContext) |
Clears the clipping region by filling it with the background color of the GLIB_Context_t. More... | |
void | GLIB_colorTranslate24bpp (uint32_t color, uint8_t *red, uint8_t *green, uint8_t *blue) |
Extracts the color components from the 32-bit color passed and puts them in the passed in 8-bits ints. The color is 24-bit RGB. More... | |
EMSTATUS | GLIB_contextInit (GLIB_Context_t *pContext) |
Initialize the GLIB_Context_t. More... | |
EMSTATUS | GLIB_displaySleep (void) |
Sets the display in sleep mode. More... | |
EMSTATUS | GLIB_displayWakeUp (void) |
Returns the display from sleep mode. More... | |
EMSTATUS | GLIB_drawBitmap (GLIB_Context_t *pContext, int32_t x, int32_t y, uint32_t width, uint32_t height, const uint8_t *picData) |
Draws a bitmap. More... | |
EMSTATUS | GLIB_drawChar (GLIB_Context_t *pContext, char myChar, int32_t x, int32_t y, bool opaque) |
Draws a char using the font supplied with the library. More... | |
EMSTATUS | GLIB_drawCircle (GLIB_Context_t *pContext, int32_t x, int32_t y, uint32_t radius) |
Draws a circle with center at x, y, and a radius. More... | |
EMSTATUS | GLIB_drawCircleFilled (GLIB_Context_t *pContext, int32_t x, int32_t y, uint32_t radius) |
Draws a filled circle with center at x, y, and a radius. More... | |
EMSTATUS | GLIB_drawLine (GLIB_Context_t *pContext, int32_t x1, int32_t y1, int32_t x2, int32_t y2) |
Draws a line from x1,y1 to x2, y2. More... | |
EMSTATUS | GLIB_drawLineH (GLIB_Context_t *pContext, int32_t x1, int32_t y1, int32_t x2) |
Draws a horizontal line from x1, y1 to x2, y2. More... | |
EMSTATUS | GLIB_drawLineV (GLIB_Context_t *pContext, int32_t x1, int32_t y1, int32_t y2) |
Draws a vertical line from x1, y1 to x1, y2. More... | |
EMSTATUS | GLIB_drawPartialCircle (GLIB_Context_t *pContext, int32_t xCenter, int32_t yCenter, uint32_t radius, uint8_t bitMask) |
Draws a partial circle with center at x, y, and a radius. More... | |
EMSTATUS | GLIB_drawPixel (GLIB_Context_t *pContext, int32_t x, int32_t y) |
Draws a pixel at x, y using foregroundColor defined in the GLIB_Context_t. More... | |
EMSTATUS | GLIB_drawPixelColor (GLIB_Context_t *pContext, int32_t x, int32_t y, uint32_t color) |
Draws a pixel at x, y using the color parameter. More... | |
EMSTATUS | GLIB_drawPixelRGB (GLIB_Context_t *pContext, int32_t x, int32_t y, uint8_t red, uint8_t green, uint8_t blue) |
Draws a pixel at x, y with color defined by red, green and blue 1 byte per channel. More... | |
EMSTATUS | GLIB_drawPolygon (GLIB_Context_t *pContext, uint32_t numPoints, const int32_t *polyPoints) |
Draws a polygon using Bresnham's Midpoint Line Algorithm. More... | |
EMSTATUS | GLIB_drawRect (GLIB_Context_t *pContext, const GLIB_Rectangle_t *pRect) |
Draws a rectangle outline defined by the passed in rectangle. More... | |
EMSTATUS | GLIB_drawRectFilled (GLIB_Context_t *pContext, const GLIB_Rectangle_t *pRect) |
Draws a filled rectangle defined by the passed in rectangle. The filled rectangle is drawn from (xMin, yMin) to (xMax, yMax), inclusive, of the rectangle passed in. More... | |
EMSTATUS | GLIB_drawString (GLIB_Context_t *pContext, const char *pString, uint32_t sLength, int32_t x0, int32_t y0, bool opaque) |
Draws a string using the font supplied with the library. More... | |
void | GLIB_normalizeRect (GLIB_Rectangle_t *pRect) |
Normalize the rectangle that is passed in. Sets yMin to the minimum value of yMin and yMax. Sets yMax to the maximum value of yMin and yMax. And the same for xMin and xMax. More... | |
bool | GLIB_rectContainsPoint (const GLIB_Rectangle_t *pRect, int32_t xCenter, int32_t yCenter) |
Checks if the point passed in is in the interior of the rectangle passed in. More... | |
EMSTATUS | GLIB_resetClippingRegion (GLIB_Context_t *pContext) |
Reset the GLIB_Context_t clipping region to the whole display. More... | |
EMSTATUS | GLIB_resetDisplayClippingArea (GLIB_Context_t *pContext) |
Reset the display driver clipping area to the whole display. More... | |
uint32_t | GLIB_rgbColor (uint8_t red, uint8_t green, uint8_t blue) |
Convert 3 uint8_t color components into a 24-bit color. More... | |
EMSTATUS | GLIB_setClippingRegion (GLIB_Context_t *pContext, const GLIB_Rectangle_t *pRect) |
Sets the clippingRegion of the passed in GLIB_Context_t. More... | |
EMSTATUS | GLIB_setFont (GLIB_Context_t *pContext, GLIB_Font_t *pFont) |
Set new font for the library. Note that GLIB defines a default font in glib.c. Redefine GLIB_DEFAULT_FONT to change the default font. More... | |
Variables | |
const GLIB_Font_t | GLIB_FontNarrow6x8 |
Narrow 6x8 pixels font containing characters and numbers. | |
const GLIB_Font_t | GLIB_FontNormal8x8 |
Normal 8x8 pixels font containing characters and numbers. | |
const GLIB_Font_t | GLIB_FontNumber16x20 |
Large 16x20 pixels font containing only numbers. | |