diff options
Diffstat (limited to 'halext/src/gdisp_emulation.c')
| -rw-r--r-- | halext/src/gdisp_emulation.c | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/halext/src/gdisp_emulation.c b/halext/src/gdisp_emulation.c deleted file mode 100644 index 26562e92..00000000 --- a/halext/src/gdisp_emulation.c +++ /dev/null @@ -1,463 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2012
- Joel Bodenmann aka Tectu <joel@unormal.org>
-
- This file is part of ChibiOS-LCD-Driver.
-
- ChibiOS-LCD-Driver 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-LCD-Driver 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/>.
-*/
-
-/*
- Emulation routines included into gdisp_lld.c
-*/
-
-/*
- Even though this is a software emulation of a low level driver
- most validation doesn't need to happen here as eventually
- we call a real low level driver routine and if validation is
- required - it will do it.
-*/
-#include "ch.h"
-#include "hal.h"
-#include "gdisp.h"
-
-#if HAL_USE_GDISP || defined(__DOXYGEN__)
-
-#ifdef UNUSED
-#elif defined(__GNUC__)
-# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
-#elif defined(__LCLINT__)
-# define UNUSED(x) /*@unused@*/ x
-#else
-# define UNUSED(x) x
-#endif
-
-#if !GDISP_HARDWARE_POWERCONTROL
- void gdisp_lld_setpowermode(gdisp_powermode_t UNUSED(powerMode)) {
- }
-#endif
-
-#if !GDISP_HARDWARE_ORIENTATION
- void gdisp_lld_setorientation(gdisp_orientation_t UNUSED(newOrientation)) {
- }
-#endif
-
-#if !GDISP_HARDWARE_CLEARS
- void gdisp_lld_clear(color_t color) {
- gdisp_lld_fillarea(0, 0, GDISP.Width, GDISP.Height, color);
- }
-#endif
-
-#if !GDISP_HARDWARE_LINES
- void gdisp_lld_drawline(coord_t x0, coord_t y0, coord_t x1, coord_t y1, color_t color) {
- int16_t dy, dx;
- int16_t addx, addy;
- int16_t P, diff, i;
-
- #if GDISP_HARDWARE_FILLS || GDISP_HARDWARE_SCROLL
- // speed improvement if vertical or horizontal
- if (x0 == x1) {
- if (y1 > y0)
- gdisp_lld_fillarea(x0, y0, 1, y1-y0+1, color);
- else
- gdisp_lld_fillarea(x0, y1, 1, y0-y1+1, color);
- return;
- }
- if (y0 == y1) {
- if (x1 > x0)
- gdisp_lld_fillarea(x0, y0, x1-x0+1, 1, color);
- else
- gdisp_lld_fillarea(x0, y1, x0-x1+1, 1, color);
- return;
- }
- #endif
-
- if (x1 >= x0) {
- dx = x1 - x0;
- addx = 1;
- } else {
- dx = x0 - x1;
- addx = -1;
- }
- if (y1 >= y0) {
- dy = y1 - y0;
- addy = 1;
- } else {
- dy = y0 - y1;
- addy = -1;
- }
-
- if (dx >= dy) {
- dy *= 2;
- P = dy - dx;
- diff = P - dx;
-
- for(i=0; i<=dx; ++i) {
- gdisp_lld_drawpixel(x0, y0, color);
- if (P < 0) {
- P += dy;
- x0 += addx;
- } else {
- P += diff;
- x0 += addx;
- y0 += addy;
- }
- }
- } else {
- dx *= 2;
- P = dx - dy;
- diff = P - dy;
-
- for(i=0; i<=dy; ++i) {
- gdisp_lld_drawpixel(x0, y0, color);
- if (P < 0) {
- P += dx;
- y0 += addy;
- } else {
- P += diff;
- x0 += addx;
- y0 += addy;
- }
- }
- }
- }
-#endif
-
-#if !GDISP_HARDWARE_FILLS
- void gdisp_lld_fillarea(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
- #if GDISP_HARDWARE_SCROLL
- gdisp_lld_verticalscroll(x, y, cx, cy, cy, color);
- #elif GDISP_HARDWARE_LINES
- coord_t x1, y1;
-
- x1 = x + cx - 1;
- y1 = y + cy;
- for(; y < y1; y++)
- gdisp_lld_drawline(x, y, x1, y, color);
- #else
- coord_t x0, x1, y1;
-
- x0 = x;
- x1 = x + cx;
- y1 = y + cy;
- for(; y < y1; y++)
- for(x = x0; x < x1; x++)
- gdisp_lld_drawpixel(x, y, color);
- #endif
- }
-#endif
-
-#if !GDISP_HARDWARE_BITFILLS
- void gdisp_lld_blitarea(coord_t x, coord_t y, coord_t cx, coord_t cy, pixel_t *buffer) {
- coord_t x0, x1, y1;
-
- x0 = x;
- x1 = x + cx;
- y1 = y + cy;
- for(; y < y1; y++)
- for(x = x0; x < x1; x++)
- gdisp_lld_drawpixel(x, y, *buffer++);
- }
-#endif
-
-#if GDISP_NEED_CIRCLE && !GDISP_HARDWARE_CIRCLES
- void gdisp_lld_drawcircle(coord_t x, coord_t y, coord_t radius, color_t color) {
- int16_t a, b, P;
-
- a = 0;
- b = radius;
- P = 1 - radius;
-
- do {
- gdisp_lld_drawpixel(a+x, b+y, color);
- gdisp_lld_drawpixel(b+x, a+y, color);
- gdisp_lld_drawpixel(x-a, b+y, color);
- gdisp_lld_drawpixel(x-b, a+y, color);
- gdisp_lld_drawpixel(b+x, y-a, color);
- gdisp_lld_drawpixel(a+x, y-b, color);
- gdisp_lld_drawpixel(x-a, y-b, color);
- gdisp_lld_drawpixel(x-b, y-a, color);
- if (P < 0)
- P += 3 + 2*a++;
- else
- P += 5 + 2*(a++ - b--);
- } while(a <= b);
- }
-#endif
-
-#if GDISP_NEED_CIRCLE && !GDISP_HARDWARE_CIRCLEFILLS
- void gdisp_lld_fillcircle(coord_t x, coord_t y, coord_t radius, color_t color) {
- int16_t a, b, P;
-
- a = 0;
- b = radius;
- P = 1 - radius;
-
- do {
- gdisp_lld_drawline(x-a, y+b, x+a, y+b, color);
- gdisp_lld_drawline(x-a, y-b, x+a, y-b, color);
- gdisp_lld_drawline(x-b, y+a, x+b, y+a, color);
- gdisp_lld_drawline(x-b, y-a, x+b, y-a, color);
- if (P < 0)
- P += 3 + 2*a++;
- else
- P += 5 + 2*(a++ - b--);
- } while(a <= b);
- }
-#endif
-
-#if GDISP_NEED_ELLIPSE && !GDISP_HARDWARE_ELLIPSES
- void gdisp_lld_drawellipse(coord_t x, coord_t y, coord_t a, coord_t b, color_t color) {
- int dx = 0, dy = b; /* im I. Quadranten von links oben nach rechts unten */
- long a2 = a*a, b2 = b*b;
- long err = b2-(2*b-1)*a2, e2; /* Fehler im 1. Schritt */
-
- do {
- gdisp_lld_drawpixel(x+dx, y+dy, color); /* I. Quadrant */
- gdisp_lld_drawpixel(x-dx, y+dy, color); /* II. Quadrant */
- gdisp_lld_drawpixel(x-dx, y-dy, color); /* III. Quadrant */
- gdisp_lld_drawpixel(x+dx, y-dy, color); /* IV. Quadrant */
-
- e2 = 2*err;
- if(e2 < (2*dx+1)*b2) {
- dx++;
- err += (2*dx+1)*b2;
- }
- if(e2 > -(2*dy-1)*a2) {
- dy--;
- err -= (2*dy-1)*a2;
- }
- } while(dy >= 0);
-
- while(dx++ < a) { /* fehlerhafter Abbruch bei flachen Ellipsen (b=1) */
- gdisp_lld_drawpixel(x+dx, y, color); /* -> Spitze der Ellipse vollenden */
- gdisp_lld_drawpixel(x-dx, y, color);
- }
- }
-#endif
-
-#if GDISP_NEED_ELLIPSE && !GDISP_HARDWARE_ELLIPSEFILLS
- void gdisp_lld_fillellipse(coord_t x, coord_t y, coord_t a, coord_t b, color_t color) {
- int dx = 0, dy = b; /* im I. Quadranten von links oben nach rechts unten */
- long a2 = a*a, b2 = b*b;
- long err = b2-(2*b-1)*a2, e2; /* Fehler im 1. Schritt */
-
- do {
- gdisp_lld_drawline(x-dx,y+dy,x+dx,y+dy, color);
- gdisp_lld_drawline(x-dx,y-dy,x+dx,y-dy, color);
-
- e2 = 2*err;
- if(e2 < (2*dx+1)*b2) {
- dx++;
- err += (2*dx+1)*b2;
- }
- if(e2 > -(2*dy-1)*a2) {
- dy--;
- err -= (2*dy-1)*a2;
- }
- } while(dy >= 0);
-
- while(dx++ < a) { /* fehlerhafter Abbruch bei flachen Ellipsen (b=1) */
- gdisp_lld_drawpixel(x+dx, y, color); /* -> Spitze der Ellipse vollenden */
- gdisp_lld_drawpixel(x-dx, y, color);
- }
- }
-#endif
-
-#if GDISP_NEED_TEXT && !GDISP_HARDWARE_TEXT
- #include "gdisp_fonts.h"
-#endif
-
-#if GDISP_NEED_TEXT && !GDISP_HARDWARE_TEXT
- void gdisp_lld_drawchar(coord_t x, coord_t y, char c, font_t font, color_t color) {
- const fontcolumn_t *ptr;
- fontcolumn_t column;
- coord_t width, height, xscale, yscale;
- coord_t i, j, xs, ys;
-
- /* Check we actually have something to print */
- width = _getCharWidth(font, c);
- if (!width) return;
-
- xscale = font->xscale;
- yscale = font->yscale;
- height = font->height * yscale;
- width *= xscale;
-
- ptr = _getCharData(font, c);
-
- /* Loop through the data and display. The font data is LSBit first, down the column */
- for(i=0; i < width; i+=xscale) {
- /* Get the font bitmap data for the column */
- column = *ptr++;
-
- /* Draw each pixel */
- for(j=0; j < height; j+=yscale, column >>= 1) {
- if (column & 0x01) {
- for(xs=0; xs < xscale; xs++)
- for(ys=0; ys < yscale; ys++)
- gdisp_lld_drawpixel(x+i+xs, y+j+ys, color);
- }
- }
- }
- }
-#endif
-
-#if GDISP_NEED_TEXT && !GDISP_HARDWARE_TEXTFILLS
- void gdisp_lld_fillchar(coord_t x, coord_t y, char c, font_t font, color_t color, color_t bgcolor) {
- coord_t width, height;
- coord_t xscale, yscale;
-
- /* Check we actually have something to print */
- width = _getCharWidth(font, c);
- if (!width) return;
-
- xscale = font->xscale;
- yscale = font->yscale;
- height = font->height * yscale;
- width *= xscale;
-
- /* Method 1: Use background fill and then draw the text */
- #if GDISP_HARDWARE_TEXT || GDISP_SOFTWARE_TEXTFILLDRAW
-
- /* Fill the area */
- gdisp_lld_fillarea(x, y, width, height, bgcolor);
-
- /* Draw the text */
- gdisp_lld_drawchar(x, y, c, font, color);
-
- /* Method 2: Create a single column bitmap and then blit it */
- #elif GDISP_HARDWARE_BITFILLS && GDISP_SOFTWARE_TEXTBLITCOLUMN
- {
- const fontcolumn_t *ptr;
- fontcolumn_t column;
- coord_t i, j, xs, ys;
-
- /* Working buffer for fast non-transparent text rendering [patch by Badger]
- This needs to be larger than the largest character we can print.
- Assume the max is double sized by one column.
- */
- static pixel_t buf[sizeof(fontcolumn_t)*8*2];
-
- #if GDISP_NEED_VALIDATION
- /* Check our buffer is big enough */
- if (height > sizeof(buf)/sizeof(buf[0])) return;
- #endif
-
- ptr = _getCharData(font, c);
-
- /* Loop through the data and display. The font data is LSBit first, down the column */
- for(i = 0; i < width; i+=xscale) {
- /* Get the font bitmap data for the column */
- column = *ptr++;
-
- /* Draw each pixel */
- for(j = 0; j < height; j+=yscale, column >>= 1) {
- if (column & 0x01) {
- for(ys=0; ys < yscale; ys++)
- gdispPackPixels(buf, 1, j+ys, 0, color);
- } else {
- for(ys=0; ys < yscale; ys++)
- gdispPackPixels(buf, 1, j+ys, 0, bgcolor);
- }
- }
-
- for(xs=0; xs < xscale; xs++)
- gdisp_lld_blitarea(x+i+xs, y, 1, height, buf);
- }
- }
-
- /* Method 3: Create a character bitmap and then blit it */
- #elif GDISP_HARDWARE_BITFILLS
- {
- const fontcolumn_t *ptr;
- fontcolumn_t column;
- coord_t i, j, xs, ys;
-
- /* Working buffer for fast non-transparent text rendering [patch by Badger]
- This needs to be larger than the largest character we can print.
- Assume the max is double sized.
- */
- static pixel_t buf[20*(sizeof(fontcolumn_t)*8)*2];
-
- #if GDISP_NEED_VALIDATION
- /* Check our buffer is big enough */
- if (width * height > sizeof(buf)/sizeof(buf[0])) return;
- #endif
-
- ptr = _getCharData(font, c);
-
- /* Loop through the data and display. The font data is LSBit first, down the column */
- for(i = 0; i < width; i+=xscale) {
- /* Get the font bitmap data for the column */
- column = *ptr++;
-
- /* Draw each pixel */
- for(j = 0; j < height; j+=yscale, column >>= 1) {
- if (column & 0x01) {
- for(xs=0; xs < xscale; xs++)
- for(ys=0; ys < yscale; ys++)
- gdispPackPixels(buf, width, i+xs, j+ys, color);
- } else {
- for(xs=0; xs < xscale; xs++)
- for(ys=0; ys < yscale; ys++)
- gdispPackPixels(buf, width, i+xs, j+ys, bgcolor);
- }
- }
- }
-
- /* [Patch by Badger] Write all in one stroke */
- gdisp_lld_blitarea(x, y, width, height, buf);
- }
-
- /* Method 4: Draw pixel by pixel */
- #else
- {
- const fontcolumn_t *ptr;
- fontcolumn_t column;
- coord_t i, j, xs, ys;
-
- ptr = _getCharData(font, c);
-
- /* Loop through the data and display. The font data is LSBit first, down the column */
- for(i = 0; i < width; i+=xscale) {
- /* Get the font bitmap data for the column */
- column = *ptr++;
-
- /* Draw each pixel */
- for(j = 0; j < height; j+=yscale, column >>= 1) {
- if (column & 0x01) {
- for(xs=0; xs < xscale; xs++)
- for(ys=0; ys < yscale; ys++)
- gdisp_lld_drawpixel(x+i, y+j, color);
- } else {
- for(xs=0; xs < xscale; xs++)
- for(ys=0; ys < yscale; ys++)
- gdisp_lld_drawpixel(x+i, y+j, bgcolor);
- }
- }
- }
- }
- #endif
- }
-#endif
-
-
-#if GDISP_NEED_CONTROL && !GDISP_HARDWARE_CONTROL
- void gdisp_lld_control(int UNUSED(what), void *UNUSED(value)) {
- /* Ignore everything */
- }
-#endif
-
-#endif /* HAL_USE_GDISP */
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