#include "drawing.h"
-#ifdef CFG_SDCARD
- #include "bmp.h"
-#endif
-
/**************************************************************************/
/* */
/* ----------------------- Private Methods ------------------------------ */
}
#endif
-/**************************************************************************/
-/*!
- @brief Helper method to accurately draw individual circle points
-*/
-/**************************************************************************/
-void drawCirclePoints(int cx, int cy, int x, int y, uint16_t color)
-{
- if (x == 0)
- {
- drawPixel(cx, cy + y, color);
- drawPixel(cx, cy - y, color);
- drawPixel(cx + y, cy, color);
- drawPixel(cx - y, cy, color);
- }
- else if (x == y)
- {
- drawPixel(cx + x, cy + y, color);
- drawPixel(cx - x, cy + y, color);
- drawPixel(cx + x, cy - y, color);
- drawPixel(cx - x, cy - y, color);
- }
- else if (x < y)
- {
- drawPixel(cx + x, cy + y, color);
- drawPixel(cx - x, cy + y, color);
- drawPixel(cx + x, cy - y, color);
- drawPixel(cx - x, cy - y, color);
- drawPixel(cx + y, cy + x, color);
- drawPixel(cx - y, cy + x, color);
- drawPixel(cx + y, cy - x, color);
- drawPixel(cx - y, cy - x, color);
- }
-}
-
/**************************************************************************/
/* */
/* ----------------------- Public Methods ------------------------------- */
/**************************************************************************/
void drawPixel(uint16_t x, uint16_t y, uint16_t color)
{
- if ((x >= lcdGetWidth()) || (y >= lcdGetHeight()))
+ if ((x < lcdGetWidth()) && (y < lcdGetHeight()))
{
- // Pixel out of range
- return;
+ lcdDrawPixel(x, y, color);
}
-
- // Redirect to LCD
- lcdDrawPixel(x, y, color);
}
/**************************************************************************/
/**************************************************************************/
void drawCircle (uint16_t xCenter, uint16_t yCenter, uint16_t radius, uint16_t color)
{
- int x = 0;
- int y = radius;
- int p = (5 - radius*4)/4;
-
- drawCirclePoints(xCenter, yCenter, x, y, color);
- while (x < y)
- {
- x++;
- if (p < 0)
- {
- p += 2*x+1;
- }
- else
- {
- y--;
- p += 2*(x-y)+1;
- }
- drawCirclePoints(xCenter, yCenter, x, y, color);
- }
+ drawPixel(xCenter, yCenter+radius, color);
+ drawPixel(xCenter, yCenter-radius, color);
+ drawPixel(xCenter+radius, yCenter, color);
+ drawPixel(xCenter-radius, yCenter, color);
+ drawCorner(xCenter, yCenter, radius, DRAW_CORNERS_ALL, color);
}
/**************************************************************************/
}
}
+/**************************************************************************/
+/*!
+ @brief Draws a single 1-pixel wide corner
+
+ @note Code courtesy Adafruit's excellent GFX lib:
+ https://github.com/adafruit/Adafruit-GFX-Library
+
+ @param[in] xCenter
+ The horizontal center of the circle
+ @param[in] yCenter
+ The vertical center of the circle
+ @param[in] corner
+ The drawCorners_t representing the corner(s) to draw
+ @param[in] color
+ Color used when drawing
+
+ @section EXAMPLE
+
+ @code
+
+ // Draw a top-left corner with a 10 pixel radius, centered at 20, 20
+ drawCorner(20, 20, 10, DRAW_CORNER_TOPLEFT, COLOR_GRAY_128);
+
+ @endcode
+*/
+/**************************************************************************/
+void drawCorner (uint16_t xCenter, uint16_t yCenter, uint16_t r, drawCorners_t corner, uint16_t color)
+{
+ int16_t f = 1 - r;
+ int16_t ddF_x = 1;
+ int16_t ddF_y = -2 * r;
+ int16_t x = 0;
+ int16_t y = r;
+
+ while (x<y)
+ {
+ if (f >= 0)
+ {
+ y--;
+ ddF_y += 2;
+ f += ddF_y;
+ }
+ x++;
+ ddF_x += 2;
+ f += ddF_x;
+ if (corner & DRAW_CORNERS_BOTTOMRIGHT)
+ {
+ drawPixel(xCenter + x, yCenter + y, color);
+ drawPixel(xCenter + y, yCenter + x, color);
+ }
+ if (corner & DRAW_CORNERS_TOPRIGHT)
+ {
+ drawPixel(xCenter + x, yCenter - y, color);
+ drawPixel(xCenter + y, yCenter - x, color);
+ }
+ if (corner & DRAW_CORNERS_BOTTOMLEFT)
+ {
+ drawPixel(xCenter - y, yCenter + x, color);
+ drawPixel(xCenter - x, yCenter + y, color);
+ }
+ if (corner & DRAW_CORNERS_TOPLEFT)
+ {
+ drawPixel(xCenter - y, yCenter - x, color);
+ drawPixel(xCenter - x, yCenter - y, color);
+ }
+ }
+}
+
/**************************************************************************/
/*!
@brief Draws a filled rounded corner
Color used when drawing
*/
/**************************************************************************/
-void drawCornerFilled (uint16_t xCenter, uint16_t yCenter, uint16_t radius, drawCornerPosition_t position, uint16_t color)
+void drawCornerFilled (uint16_t xCenter, uint16_t yCenter, uint16_t radius, drawCorners_t position, uint16_t color)
{
int16_t f = 1 - radius;
int16_t ddF_x = 1;
int16_t xc_px, yc_my, xc_mx, xc_py, yc_mx, xc_my;
int16_t lcdWidth = lcdGetWidth();
- switch (position)
+
+ if ((position & DRAW_CORNERS_TOPRIGHT) || (position & DRAW_CORNERS_TOPLEFT))
{
- case DRAW_CORNERPOSITION_TOPRIGHT:
- case DRAW_CORNERPOSITION_TOPLEFT:
- if (xCenter < lcdWidth) drawLine(xCenter, yCenter-radius < 0 ? 0 : yCenter-radius, xCenter, yCenter, color);
- break;
- case DRAW_CORNERPOSITION_BOTTOMRIGHT:
- case DRAW_CORNERPOSITION_BOTTOMLEFT:
- if (xCenter < lcdWidth) drawLine(xCenter, yCenter-radius < 0 ? 0 : yCenter, xCenter, (yCenter-radius) + (2*radius), color);
- break;
+ if (xCenter < lcdWidth) drawLine(xCenter, yCenter-radius < 0 ? 0 : yCenter-radius, xCenter, yCenter, color);
+ }
+ if ((position & DRAW_CORNERS_BOTTOMRIGHT) || (position & DRAW_CORNERS_BOTTOMLEFT))
+ {
+ if (xCenter < lcdWidth) drawLine(xCenter, yCenter-radius < 0 ? 0 : yCenter, xCenter, (yCenter-radius) + (2*radius), color);
}
while (x<y)
yc_mx = yCenter-x;
yc_my = yCenter-y;
- switch (position)
+
+ if (position & DRAW_CORNERS_TOPRIGHT)
{
- case DRAW_CORNERPOSITION_TOPRIGHT:
if ((xc_px < lcdWidth) && (xc_px >= 0)) drawLine(xc_px, yc_my, xc_px, yCenter, color);
if ((xc_py < lcdWidth) && (xc_py >= 0)) drawLine(xc_py, yc_mx, xc_py, yCenter, color);
- break;
- case DRAW_CORNERPOSITION_BOTTOMRIGHT:
+ }
+ if (position & DRAW_CORNERS_BOTTOMRIGHT)
+ {
if ((xc_px < lcdWidth) && (xc_px >= 0)) drawLine(xc_px, yCenter, xc_px, yc_my + 2*y, color);
if ((xc_py < lcdWidth) && (xc_py >= 0)) drawLine(xc_py, yCenter, xc_py, yc_mx + 2*x, color);
- break;
- case DRAW_CORNERPOSITION_TOPLEFT:
+ }
+ if (position & DRAW_CORNERS_TOPLEFT)
+ {
if ((xc_mx < lcdWidth) && (xc_mx >= 0)) drawLine(xc_mx, yc_my, xc_mx, yCenter, color);
if ((xc_my < lcdWidth) && (xc_my >= 0)) drawLine(xc_my, yc_mx, xc_my, yCenter, color);
- break;
- case DRAW_CORNERPOSITION_BOTTOMLEFT:
+ }
+ if (position & DRAW_CORNERS_BOTTOMLEFT)
+ {
if ((xc_mx < lcdWidth) && (xc_mx >= 0)) drawLine(xc_mx, yCenter, xc_mx, yc_my + 2*y, color);
if ((xc_my < lcdWidth) && (xc_my >= 0)) drawLine(xc_my, yCenter, xc_my, yc_mx + 2*x, color);
- break;
}
}
}
}
}
+/**************************************************************************/
+/*!
+ @brief Draws a rectangle with rounded corners
+
+ @param[in] x0
+ Starting x co-ordinate
+ @param[in] y0
+ Starting y co-ordinate
+ @param[in] x1
+ Ending x co-ordinate
+ @param[in] y1
+ Ending y co-ordinate
+ @param[in] color
+ Color used when drawing
+ @param[in] radius
+ Corner radius in pixels
+ @param[in] corners
+ Which corners to round
+
+ @section EXAMPLE
+ @code
+
+ drawRoundedRectangle ( 10, 10, 200, 200, COLOR_BLACK, 10, DRAW_CORNERS_ALL );
+
+ @endcode
+
+*/
+/**************************************************************************/
+void drawRoundedRectangle ( uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color, uint16_t radius, drawCorners_t corners )
+{
+ int height;
+ uint16_t y;
+
+ if (corners == DRAW_CORNERS_NONE)
+ {
+ drawRectangle(x0, y0, x1, y1, color);
+ return;
+ }
+
+ // Calculate height
+ if (y1 < y0)
+ {
+ y = y1;
+ y1 = y0;
+ y0 = y;
+ }
+ height = y1 - y0;
+
+ // Check radius
+ if (radius > height / 2)
+ {
+ radius = height / 2;
+ }
+ radius -= 1;
+
+ switch (corners)
+ {
+ case DRAW_CORNERS_ALL:
+ drawCorner(x0 + radius, y0 + radius, radius, DRAW_CORNERS_TOPLEFT, color);
+ drawCorner(x1 - radius, y0 + radius, radius, DRAW_CORNERS_TOPRIGHT, color);
+ drawCorner(x0 + radius, y1 - radius, radius, DRAW_CORNERS_BOTTOMLEFT, color);
+ drawCorner(x1 - radius, y1 - radius, radius, DRAW_CORNERS_BOTTOMRIGHT, color);
+ if (radius*2+1 < height)
+ {
+ drawLine(x0, y0+radius, x0, y1-radius, color);
+ drawLine(x1, y0+radius, x1, y1-radius, color);
+ }
+ drawLine(x0+radius, y0, x1-radius, y0, color);
+ drawLine(x0+radius, y1, x1-radius, y1, color);
+ break;
+ case DRAW_CORNERS_TOP:
+ drawCorner(x0 + radius, y0 + radius, radius, DRAW_CORNERS_TOPLEFT, color);
+ drawCorner(x1 - radius, y0 + radius, radius, DRAW_CORNERS_TOPRIGHT, color);
+ drawLine(x0, y0+radius, x0, y1, color);
+ drawLine(x0, y1, x1, y1, color);
+ drawLine(x1, y1, x1, y0+radius, color);
+ drawLine(x0+radius, y0, x1-radius, y0, color);
+ break;
+ case DRAW_CORNERS_BOTTOM:
+ drawCorner(x0 + radius, y1 - radius, radius, DRAW_CORNERS_BOTTOMLEFT, color);
+ drawCorner(x1 - radius, y1 - radius, radius, DRAW_CORNERS_BOTTOMRIGHT, color);
+ drawLine(x0, y0, x1, y0, color);
+ drawLine(x1, y0, x1, y1-radius, color );
+ drawLine(x1-radius, y1, x0+radius, y1, color);
+ drawLine(x0, y1-radius, x0, y0, color);
+ break;
+ case DRAW_CORNERS_LEFT:
+ drawCorner(x0 + radius, y0 + radius, radius, DRAW_CORNERS_TOPLEFT, color);
+ drawCorner(x0 + radius, y1 - radius, radius, DRAW_CORNERS_BOTTOMLEFT, color);
+ if (radius*2+1 < height)
+ {
+ drawLine(x0, y0+radius, x0, y1-radius, color);
+ }
+ drawLine(x1, y0, x1, y1, color);
+ drawLine(x0+radius, y0, x1, y0, color);
+ drawLine(x0+radius, y1, x1, y1, color);
+ break;
+ case DRAW_CORNERS_RIGHT:
+ drawCorner(x1 - radius, y0 + radius, radius, DRAW_CORNERS_TOPRIGHT, color);
+ drawCorner(x1 - radius, y1 - radius, radius, DRAW_CORNERS_BOTTOMRIGHT, color);
+ if (radius*2+1 < height)
+ {
+ drawLine(x1, y0+radius, x1, y1-radius, color);
+ }
+ drawLine(x0, y0, x0, y1, color);
+ drawLine(x0, y0, x1-radius, y0, color);
+ drawLine(x0, y1, x1-radius, y1, color);
+ break;
+ default:
+ break;
+ }
+}
+
/**************************************************************************/
/*!
@brief Draws a filled rectangle with rounded corners
Which corners to round
*/
/**************************************************************************/
-void drawRectangleRounded ( uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color, uint16_t radius, drawRoundedCorners_t corners )
+void drawRoundedRectangleFilled ( uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color, uint16_t radius, drawCorners_t corners )
{
int height;
uint16_t y;
- if (corners == DRAW_ROUNDEDCORNERS_NONE)
+ if (corners == DRAW_CORNERS_NONE)
{
drawRectangleFilled(x0, y0, x1, y1, color);
return;
switch (corners)
{
- case DRAW_ROUNDEDCORNERS_ALL:
- drawCircleFilled(x0 + radius, y0 + radius, radius, color);
- drawCircleFilled(x1 - radius, y0 + radius, radius, color);
- drawCircleFilled(x0 + radius, y1 - radius, radius, color);
- drawCircleFilled(x1 - radius, y1 - radius, radius, color);
+ case DRAW_CORNERS_ALL:
+ drawCornerFilled(x0 + radius, y0 + radius, radius, DRAW_CORNERS_TOPLEFT, color);
+ drawCornerFilled(x1 - radius, y0 + radius, radius, DRAW_CORNERS_TOPRIGHT, color);
+ drawCornerFilled(x0 + radius, y1 - radius, radius, DRAW_CORNERS_BOTTOMLEFT, color);
+ drawCornerFilled(x1 - radius, y1 - radius, radius, DRAW_CORNERS_BOTTOMRIGHT, color);
if (radius*2+1 < height)
{
drawRectangleFilled(x0, y0 + radius, x0 + radius, y1 - radius, color);
drawRectangleFilled(x1 - radius, y0 + radius, x1, y1 - radius, color);
}
break;
- case DRAW_ROUNDEDCORNERS_TOP:
- drawCircleFilled(x0 + radius, y0 + radius, radius, color);
- drawCircleFilled(x1 - radius, y0 + radius, radius, color);
+ case DRAW_CORNERS_TOP:
+ drawCornerFilled(x0 + radius, y0 + radius, radius, DRAW_CORNERS_TOPLEFT, color);
+ drawCornerFilled(x1 - radius, y0 + radius, radius, DRAW_CORNERS_TOPRIGHT, color);
drawRectangleFilled(x0, y0 + radius, x0 + radius, y1, color);
drawRectangleFilled(x1 - radius, y0 + radius, x1, y1, color);
break;
- case DRAW_ROUNDEDCORNERS_BOTTOM:
- drawCircleFilled(x0 + radius, y1 - radius, radius, color);
- drawCircleFilled(x1 - radius, y1 - radius, radius, color);
+ case DRAW_CORNERS_BOTTOM:
+ drawCornerFilled(x0 + radius, y1 - radius, radius, DRAW_CORNERS_BOTTOMLEFT, color);
+ drawCornerFilled(x1 - radius, y1 - radius, radius, DRAW_CORNERS_BOTTOMRIGHT, color);
drawRectangleFilled(x0, y0, x0 + radius, y1 - radius, color);
drawRectangleFilled(x1 - radius, y0, x1, y1 - radius, color);
break;
- case DRAW_ROUNDEDCORNERS_LEFT:
- drawCircleFilled(x0 + radius, y0 + radius, radius, color);
- drawCircleFilled(x0 + radius, y1 - radius, radius, color);
+ case DRAW_CORNERS_LEFT:
+ drawCornerFilled(x0 + radius, y0 + radius, radius, DRAW_CORNERS_TOPLEFT, color);
+ drawCornerFilled(x0 + radius, y1 - radius, radius, DRAW_CORNERS_BOTTOMLEFT, color);
if (radius*2+1 < height)
{
drawRectangleFilled(x0, y0 + radius, x0 + radius, y1 - radius, color);
}
drawRectangleFilled(x1 - radius, y0, x1, y1, color);
break;
- case DRAW_ROUNDEDCORNERS_RIGHT:
- drawCircleFilled(x1 - radius, y0 + radius, radius, color);
- drawCircleFilled(x1 - radius, y1 - radius, radius, color);
+ case DRAW_CORNERS_RIGHT:
+ drawCornerFilled(x1 - radius, y0 + radius, radius, DRAW_CORNERS_TOPRIGHT, color);
+ drawCornerFilled(x1 - radius, y1 - radius, radius, DRAW_CORNERS_BOTTOMRIGHT, color);
if (radius*2+1 < height)
{
drawRectangleFilled(x1 - radius, y0 + radius, x1, y1 - radius, color);
}
}
-/**************************************************************************/
-/*!
- @brief Draws a progress bar with rounded corners
-
- @param[in] x
- Starting x location
- @param[in] y
- Starting y location
- @param[in] width
- Total width of the progress bar in pixels
- @param[in] height
- Total height of the progress bar in pixels
- @param[in] borderCorners
- The type of rounded corners to render with the progress bar border
- @param[in] progressCorners
- The type of rounded corners to render with the inner progress bar
- @param[in] borderColor
- 16-bit color for the outer border
- @param[in] borderFillColor
- 16-bit color for the interior of the outer border
- @param[in] progressBorderColor
- 16-bit color for the progress bar's border
- @param[in] progressFillColor
- 16-bit color for the inner bar's fill
- @param[in] progress
- Progress percentage (between 0 and 100)
-
- @section Example
-
- @code
- #include "drivers/displays/tft/drawing.h"
-
- // Draw a the progress bar (150x15 pixels large, starting at X:10, Y:195
- // with rounded corners on the top and showing 72% progress)
- drawProgressBar(10, 195, 150, 15, DRAW_ROUNDEDCORNERS_TOP, DRAW_ROUNDEDCORNERS_TOP, COLOR_DARKERGRAY, COLOR_DARKGRAY, COLOR_LIMEGREENDIM, COLOR_LIMEGREEN, 72 );
-
- @endcode
-*/
-/**************************************************************************/
-void drawProgressBar ( uint16_t x, uint16_t y, uint16_t width, uint16_t height, drawRoundedCorners_t borderCorners, drawRoundedCorners_t progressCorners, uint16_t borderColor, uint16_t borderFillColor, uint16_t progressBorderColor, uint16_t progressFillColor, uint8_t progress )
-{
- // Draw border with rounded corners
- drawRectangleRounded(x, y, x + width, y + height, borderColor, 5, borderCorners);
- drawRectangleRounded(x+1, y+1, x + width - 1, y + height - 1, borderFillColor, 5, borderCorners);
-
- // Progress bar
- if (progress > 0 && progress <= 100)
- {
- // Calculate bar size
- uint16_t bw;
- bw = (width - 6); // bar at 100%
- if (progress != 100)
- {
- bw = (bw * progress) / 100;
- }
- drawRectangleRounded(x + 3, y + 3, bw + x + 3, y + height - 3, progressBorderColor, 5, progressCorners);
- drawRectangleRounded(x + 4, y + 4, bw + x + 3 - 1, y + height - 4, progressFillColor, 5, progressCorners);
- }
-}
-
-/**************************************************************************/
-/*!
- @brief Draws a simple button
-
- @param[in] x
- Starting x location
- @param[in] y
- Starting y location
- @param[in] width
- Total width of the button in pixels
- @param[in] height
- Total height of the button in pixels
- @param[in] fontInfo
- Pointer to the FONT_INFO used to render the button text
- @param[in] borderclr
- The rgb565 border color
- @param[in] fillclr
- The rgb565 background color
- @param[in] fontclr
- The rgb565 font color
- @param[in] text
- The text to render on the button
-
- @section Example
-
- @code
-
- #include "drivers/displays/tft/drawing.h"
- #include "drivers/displays/tft/fonts/dejavusans9.h"
-
- // Draw two buttons using DejaVu Sans 9
- drawButton(20, 195, 200, 35, &dejaVuSans9ptFontInfo, COLOR_GRAY_80, COLOR_GRAY_80, COLOR_WHITE, "System Settings");
- drawButton(20, 235, 200, 35, &dejaVuSans9ptFontInfo, COLOR_THEME_LIMEGREEN_DARKER, COLOR_THEME_LIMEGREEN_BASE, COLOR_BLACK, "System Settings");
-
- @endcode
-*/
-/**************************************************************************/
-void drawButton(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const FONT_INFO *fontInfo, uint16_t borderclr, uint16_t fillclr, uint16_t fontclr, char* text)
-{
- // Border
- drawRectangleRounded(x, y, x + width, y + height, borderclr, 5, DRAW_ROUNDEDCORNERS_ALL);
- // Fill
- drawRectangleRounded(x+2, y+2, x+width-2, y+height-2, fillclr, 5, DRAW_ROUNDEDCORNERS_ALL);
-
- // Render text
- if (text != NULL)
- {
- uint16_t textWidth = fontsGetStringWidth(&*fontInfo, text);
- uint16_t xStart = x + (width / 2) - (textWidth / 2);
- uint16_t yStart = y + (height / 2) - (fontInfo->height / 2) + 1;
- fontsDrawString(xStart, yStart, fontclr, &*fontInfo, text);
- }
-}
-
/**************************************************************************/
/*!
@brief Renders a 16x16 monochrome icon using the supplied uint16_t
if (icon[i] & (0X0001)) drawPixel(x+15, y+i, color);
}
}
-
-#ifdef CFG_SDCARD
-/**************************************************************************/
-/*!
- @brief Loads a 24-bit Windows bitmap image from an SD card and
- renders it
-
- @section Example
-
- @code
-
- #include "drivers/displays/tft/drawing.h"
-
- // Draw image.bmp (from the root folder) starting at pixel 0,0
- bmp_error_t error = drawBitmapImage(0, 0, "/image.bmp");
-
- if (error)
- {
- switch (error)
- {
- case BMP_ERROR_SDINITFAIL:
- break;
- case BMP_ERROR_FILENOTFOUND:
- break;
- case BMP_ERROR_NOTABITMAP:
- // First two bytes of image not 'BM'
- break;
- case BMP_ERROR_INVALIDBITDEPTH:
- // Image is not 24-bits
- break;
- case BMP_ERROR_COMPRESSEDDATA:
- // Image contains compressed data
- break;
- case BMP_ERROR_INVALIDDIMENSIONS:
- // Width or Height is > LCD size
- break;
- case BMP_ERROR_PREMATUREEOF:
- // EOF unexpectedly reached in pixel data
- break;
- }
- }
-
- @endcode
-*/
-/**************************************************************************/
-bmp_error_t drawBitmapImage(uint16_t x, uint16_t y, char *filename)
-{
- return bmpDrawBitmap(x, y, filename);
-}
-
-#endif
projects / hackover2013-badge-firmware.git / blobdiff