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lcd-16bit: move common code to lcd-16bit-common.c

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31130 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2011-12-03 22:19:17 +00:00
parent 1414e83743
commit 26851eaaa9
3 changed files with 369 additions and 727 deletions

View file

@ -28,6 +28,357 @@
#error ROW_INC or COL_INC not defined
#endif
enum fill_opt {
OPT_NONE = 0,
OPT_SET,
OPT_COPY
};
/*** globals ***/
fb_data lcd_framebuffer[LCD_FBHEIGHT][LCD_FBWIDTH]
IRAM_LCDFRAMEBUFFER CACHEALIGN_AT_LEAST_ATTR(16);
static fb_data* lcd_backdrop = NULL;
static long lcd_backdrop_offset IDATA_ATTR = 0;
static struct viewport default_vp =
{
.x = 0,
.y = 0,
.width = LCD_WIDTH,
.height = LCD_HEIGHT,
.font = FONT_SYSFIXED,
.drawmode = DRMODE_SOLID,
.fg_pattern = LCD_DEFAULT_FG,
.bg_pattern = LCD_DEFAULT_BG,
.lss_pattern = LCD_DEFAULT_BG,
.lse_pattern = LCD_DEFAULT_BG,
.lst_pattern = LCD_DEFAULT_BG,
};
static struct viewport* current_vp IDATA_ATTR = &default_vp;
/* LCD init */
void lcd_init(void)
{
lcd_clear_display();
/* Call device specific init */
lcd_init_device();
scroll_init();
}
/*** Viewports ***/
void lcd_set_viewport(struct viewport* vp)
{
if (vp == NULL)
current_vp = &default_vp;
else
current_vp = vp;
#if defined(SIMULATOR)
/* Force the viewport to be within bounds. If this happens it should
* be considered an error - the viewport will not draw as it might be
* expected.
*/
if((unsigned) current_vp->x > (unsigned) LCD_WIDTH
|| (unsigned) current_vp->y > (unsigned) LCD_HEIGHT
|| current_vp->x + current_vp->width > LCD_WIDTH
|| current_vp->y + current_vp->height > LCD_HEIGHT)
{
#if !defined(HAVE_VIEWPORT_CLIP)
DEBUGF("ERROR: "
#else
DEBUGF("NOTE: "
#endif
"set_viewport out of bounds: x: %d y: %d width: %d height:%d\n",
current_vp->x, current_vp->y,
current_vp->width, current_vp->height);
}
#endif
}
void lcd_update_viewport(void)
{
lcd_update_rect(current_vp->x, current_vp->y,
current_vp->width, current_vp->height);
}
void lcd_update_viewport_rect(int x, int y, int width, int height)
{
lcd_update_rect(current_vp->x + x, current_vp->y + y, width, height);
}
/*** parameter handling ***/
void lcd_set_drawmode(int mode)
{
current_vp->drawmode = mode & (DRMODE_SOLID|DRMODE_INVERSEVID);
}
int lcd_get_drawmode(void)
{
return current_vp->drawmode;
}
void lcd_set_foreground(unsigned color)
{
current_vp->fg_pattern = color;
}
unsigned lcd_get_foreground(void)
{
return current_vp->fg_pattern;
}
void lcd_set_background(unsigned color)
{
current_vp->bg_pattern = color;
}
unsigned lcd_get_background(void)
{
return current_vp->bg_pattern;
}
void lcd_set_selector_start(unsigned color)
{
current_vp->lss_pattern = color;
}
void lcd_set_selector_end(unsigned color)
{
current_vp->lse_pattern = color;
}
void lcd_set_selector_text(unsigned color)
{
current_vp->lst_pattern = color;
}
void lcd_set_drawinfo(int mode, unsigned fg_color, unsigned bg_color)
{
lcd_set_drawmode(mode);
current_vp->fg_pattern = fg_color;
current_vp->bg_pattern = bg_color;
}
int lcd_getwidth(void)
{
return current_vp->width;
}
int lcd_getheight(void)
{
return current_vp->height;
}
void lcd_setfont(int newfont)
{
current_vp->font = newfont;
}
int lcd_getfont(void)
{
return current_vp->font;
}
int lcd_getstringsize(const unsigned char *str, int *w, int *h)
{
return font_getstringsize(str, w, h, current_vp->font);
}
/*** low-level drawing functions ***/
static void ICODE_ATTR setpixel(fb_data *address)
{
*address = current_vp->fg_pattern;
}
static void ICODE_ATTR clearpixel(fb_data *address)
{
*address = current_vp->bg_pattern;
}
static void ICODE_ATTR clearimgpixel(fb_data *address)
{
*address = *(fb_data *)((long)address + lcd_backdrop_offset);
}
static void ICODE_ATTR flippixel(fb_data *address)
{
*address = ~(*address);
}
static void ICODE_ATTR nopixel(fb_data *address)
{
(void)address;
}
lcd_fastpixelfunc_type* const lcd_fastpixelfuncs_bgcolor[8] = {
flippixel, nopixel, setpixel, setpixel,
nopixel, clearpixel, nopixel, clearpixel
};
lcd_fastpixelfunc_type* const lcd_fastpixelfuncs_backdrop[8] = {
flippixel, nopixel, setpixel, setpixel,
nopixel, clearimgpixel, nopixel, clearimgpixel
};
lcd_fastpixelfunc_type* const * lcd_fastpixelfuncs = lcd_fastpixelfuncs_bgcolor;
void lcd_set_backdrop(fb_data* backdrop)
{
lcd_backdrop = backdrop;
if (backdrop)
{
lcd_backdrop_offset = (long)backdrop - (long)&lcd_framebuffer[0][0];
lcd_fastpixelfuncs = lcd_fastpixelfuncs_backdrop;
}
else
{
lcd_backdrop_offset = 0;
lcd_fastpixelfuncs = lcd_fastpixelfuncs_bgcolor;
}
}
fb_data* lcd_get_backdrop(void)
{
return lcd_backdrop;
}
/* Clear the whole display */
void lcd_clear_display(void)
{
struct viewport* old_vp = current_vp;
current_vp = &default_vp;
lcd_clear_viewport();
current_vp = old_vp;
}
/* Set a single pixel */
void lcd_drawpixel(int x, int y)
{
if ( ((unsigned)x < (unsigned)current_vp->width)
&& ((unsigned)y < (unsigned)current_vp->height)
#if defined(HAVE_VIEWPORT_CLIP)
&& ((unsigned)x < (unsigned)LCD_WIDTH)
&& ((unsigned)y < (unsigned)LCD_HEIGHT)
#endif
)
lcd_fastpixelfuncs[current_vp->drawmode](LCDADDR(current_vp->x+x, current_vp->y+y));
}
/* Draw a line */
void lcd_drawline(int x1, int y1, int x2, int y2)
{
int numpixels;
int i;
int deltax, deltay;
int d, dinc1, dinc2;
int x, xinc1, xinc2;
int y, yinc1, yinc2;
lcd_fastpixelfunc_type *pfunc = lcd_fastpixelfuncs[current_vp->drawmode];
deltay = abs(y2 - y1);
if (deltay == 0)
{
/* DEBUGF("lcd_drawline() called for horizontal line - optimisation.\n"); */
lcd_hline(x1, x2, y1);
return;
}
deltax = abs(x2 - x1);
if (deltax == 0)
{
/* DEBUGF("lcd_drawline() called for vertical line - optimisation.\n"); */
lcd_vline(x1, y1, y2);
return;
}
xinc2 = 1;
yinc2 = 1;
if (deltax >= deltay)
{
numpixels = deltax;
d = 2 * deltay - deltax;
dinc1 = deltay * 2;
dinc2 = (deltay - deltax) * 2;
xinc1 = 1;
yinc1 = 0;
}
else
{
numpixels = deltay;
d = 2 * deltax - deltay;
dinc1 = deltax * 2;
dinc2 = (deltax - deltay) * 2;
xinc1 = 0;
yinc1 = 1;
}
numpixels++; /* include endpoints */
if (x1 > x2)
{
xinc1 = -xinc1;
xinc2 = -xinc2;
}
if (y1 > y2)
{
yinc1 = -yinc1;
yinc2 = -yinc2;
}
x = x1;
y = y1;
for (i = 0; i < numpixels; i++)
{
if ( ((unsigned)x < (unsigned)current_vp->width)
&& ((unsigned)y < (unsigned)current_vp->height)
#if defined(HAVE_VIEWPORT_CLIP)
&& ((unsigned)x < (unsigned)LCD_WIDTH)
&& ((unsigned)y < (unsigned)LCD_HEIGHT)
#endif
)
pfunc(LCDADDR(x + current_vp->x, y + current_vp->y));
if (d < 0)
{
d += dinc1;
x += xinc1;
y += yinc1;
}
else
{
d += dinc2;
x += xinc2;
y += yinc2;
}
}
}
/* Draw a rectangular box */
void lcd_drawrect(int x, int y, int width, int height)
{
if ((width <= 0) || (height <= 0))
return;
int x2 = x + width - 1;
int y2 = y + height - 1;
lcd_vline(x, y, y2);
lcd_vline(x2, y, y2);
lcd_hline(x, x2, y);
lcd_hline(x, x2, y2);
}
/* About Rockbox' internal monochrome bitmap format:
*
* A bitmap contains one bit for every pixel that defines if that pixel is
@ -54,7 +405,7 @@ void ICODE_ATTR lcd_mono_bitmap_part(const unsigned char *src, int src_x,
/******************** Image in viewport clipping **********************/
/* nothing to draw? */
if ((width <= 0) || (height <= 0) || (x >= current_vp->width) ||
if ((width <= 0) || (height <= 0) || (x >= current_vp->width) ||
(y >= current_vp->height) || (x + width <= 0) || (y + height <= 0))
return;
@ -74,18 +425,18 @@ void ICODE_ATTR lcd_mono_bitmap_part(const unsigned char *src, int src_x,
width = current_vp->width - x;
if (y + height > current_vp->height)
height = current_vp->height - y;
/* adjust for viewport */
x += current_vp->x;
y += current_vp->y;
#if defined(HAVE_VIEWPORT_CLIP)
/********************* Viewport on screen clipping ********************/
/* nothing to draw? */
if ((x >= LCD_WIDTH) || (y >= LCD_HEIGHT)
if ((x >= LCD_WIDTH) || (y >= LCD_HEIGHT)
|| (x + width <= 0) || (y + height <= 0))
return;
/* clip image in viewport in screen */
if (x < 0)
{
@ -109,7 +460,7 @@ void ICODE_ATTR lcd_mono_bitmap_part(const unsigned char *src, int src_x,
src_y &= 7;
src_end = src + width;
dst_col = LCDADDR(x, y);
if (drmode & DRMODE_INVERSEVID)
{
@ -200,7 +551,7 @@ void ICODE_ATTR lcd_mono_bitmap_part(const unsigned char *src, int src_x,
bo = lcd_backdrop_offset;
do
{
*dst = (data & 0x01) ? fg
*dst = (data & 0x01) ? fg
: *(fb_data *)((long)dst + bo);
dst += ROW_INC;
UPDATE_SRC;
@ -348,10 +699,10 @@ static void ICODE_ATTR lcd_alpha_bitmap_part_mix(const fb_data* image,
#if defined(HAVE_VIEWPORT_CLIP)
/********************* Viewport on screen clipping ********************/
/* nothing to draw? */
if ((x >= LCD_WIDTH) || (y >= LCD_HEIGHT)
if ((x >= LCD_WIDTH) || (y >= LCD_HEIGHT)
|| (x + width <= 0) || (y + height <= 0))
return;
/* clip image in viewport in screen */
if (x < 0)
{

View file

@ -21,6 +21,7 @@
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "cpu.h"
@ -37,234 +38,14 @@
#include "bidi.h"
#include "scroll_engine.h"
enum fill_opt {
OPT_NONE = 0,
OPT_SET,
OPT_COPY
};
/*** globals ***/
fb_data lcd_framebuffer[LCD_FBHEIGHT][LCD_FBWIDTH]
IRAM_LCDFRAMEBUFFER CACHEALIGN_AT_LEAST_ATTR(16);
static fb_data* lcd_backdrop = NULL;
static long lcd_backdrop_offset IDATA_ATTR = 0;
static struct viewport default_vp =
{
.x = 0,
.y = 0,
.width = LCD_WIDTH,
.height = LCD_HEIGHT,
.font = FONT_SYSFIXED,
.drawmode = DRMODE_SOLID,
.fg_pattern = LCD_DEFAULT_FG,
.bg_pattern = LCD_DEFAULT_BG,
.lss_pattern = LCD_DEFAULT_BG,
.lse_pattern = LCD_DEFAULT_BG,
.lst_pattern = LCD_DEFAULT_BG,
};
/* The Gigabeat target build requires access to the current fg_pattern
in lcd-meg-fx.c */
#if defined(SIMULATOR)
static struct viewport* current_vp IDATA_ATTR = &default_vp;
#else
struct viewport* current_vp IDATA_ATTR = &default_vp;
#endif
/* LCD init */
void lcd_init(void)
{
lcd_clear_display();
/* Call device specific init */
lcd_init_device();
scroll_init();
}
/*** Viewports ***/
void lcd_set_viewport(struct viewport* vp)
{
if (vp == NULL)
current_vp = &default_vp;
else
current_vp = vp;
#if defined(SIMULATOR)
/* Force the viewport to be within bounds. If this happens it should
* be considered an error - the viewport will not draw as it might be
* expected.
*/
if((unsigned) current_vp->x > (unsigned) LCD_WIDTH
|| (unsigned) current_vp->y > (unsigned) LCD_HEIGHT
|| current_vp->x + current_vp->width > LCD_WIDTH
|| current_vp->y + current_vp->height > LCD_HEIGHT)
{
#if !defined(HAVE_VIEWPORT_CLIP)
DEBUGF("ERROR: "
#else
DEBUGF("NOTE: "
#endif
"set_viewport out of bounds: x: %d y: %d width: %d height:%d\n",
current_vp->x, current_vp->y,
current_vp->width, current_vp->height);
}
#endif
}
void lcd_update_viewport(void)
{
lcd_update_rect(current_vp->x, current_vp->y,
current_vp->width, current_vp->height);
}
void lcd_update_viewport_rect(int x, int y, int width, int height)
{
lcd_update_rect(current_vp->x + x, current_vp->y + y, width, height);
}
/*** parameter handling ***/
void lcd_set_drawmode(int mode)
{
current_vp->drawmode = mode & (DRMODE_SOLID|DRMODE_INVERSEVID);
}
int lcd_get_drawmode(void)
{
return current_vp->drawmode;
}
void lcd_set_foreground(unsigned color)
{
current_vp->fg_pattern = color;
}
unsigned lcd_get_foreground(void)
{
return current_vp->fg_pattern;
}
void lcd_set_background(unsigned color)
{
current_vp->bg_pattern = color;
}
unsigned lcd_get_background(void)
{
return current_vp->bg_pattern;
}
void lcd_set_selector_start(unsigned color)
{
current_vp->lss_pattern = color;
}
void lcd_set_selector_end(unsigned color)
{
current_vp->lse_pattern = color;
}
void lcd_set_selector_text(unsigned color)
{
current_vp->lst_pattern = color;
}
void lcd_set_drawinfo(int mode, unsigned fg_color, unsigned bg_color)
{
lcd_set_drawmode(mode);
current_vp->fg_pattern = fg_color;
current_vp->bg_pattern = bg_color;
}
int lcd_getwidth(void)
{
return current_vp->width;
}
int lcd_getheight(void)
{
return current_vp->height;
}
void lcd_setfont(int newfont)
{
current_vp->font = newfont;
}
int lcd_getfont(void)
{
return current_vp->font;
}
int lcd_getstringsize(const unsigned char *str, int *w, int *h)
{
return font_getstringsize(str, w, h, current_vp->font);
}
/*** low-level drawing functions ***/
#define ROW_INC 1
#define COL_INC LCD_HEIGHT
#define LCDADDR(x, y) (&lcd_framebuffer[0][0] + LCD_HEIGHT*(x) + (y))
static void ICODE_ATTR setpixel(fb_data *address)
{
*address = current_vp->fg_pattern;
}
#include "lcd-16bit-common.c"
static void ICODE_ATTR clearpixel(fb_data *address)
{
*address = current_vp->bg_pattern;
}
static void ICODE_ATTR clearimgpixel(fb_data *address)
{
*address = *(fb_data *)((long)address + lcd_backdrop_offset);
}
static void ICODE_ATTR flippixel(fb_data *address)
{
*address = ~(*address);
}
static void ICODE_ATTR nopixel(fb_data *address)
{
(void)address;
}
lcd_fastpixelfunc_type* const lcd_fastpixelfuncs_bgcolor[8] = {
flippixel, nopixel, setpixel, setpixel,
nopixel, clearpixel, nopixel, clearpixel
};
lcd_fastpixelfunc_type* const lcd_fastpixelfuncs_backdrop[8] = {
flippixel, nopixel, setpixel, setpixel,
nopixel, clearimgpixel, nopixel, clearimgpixel
};
lcd_fastpixelfunc_type* const * lcd_fastpixelfuncs = lcd_fastpixelfuncs_bgcolor;
void lcd_set_backdrop(fb_data* backdrop)
{
lcd_backdrop = backdrop;
if (backdrop)
{
lcd_backdrop_offset = (long)backdrop - (long)&lcd_framebuffer[0][0];
lcd_fastpixelfuncs = lcd_fastpixelfuncs_backdrop;
}
else
{
lcd_backdrop_offset = 0;
lcd_fastpixelfuncs = lcd_fastpixelfuncs_bgcolor;
}
}
fb_data* lcd_get_backdrop(void)
{
return lcd_backdrop;
}
#include "lcd-bitmap-common.c"
/*** drawing functions ***/
@ -318,120 +99,6 @@ void lcd_clear_viewport(void)
}
}
/* Clear the whole display */
void lcd_clear_display(void)
{
struct viewport* old_vp = current_vp;
current_vp = &default_vp;
lcd_clear_viewport();
current_vp = old_vp;
}
/* Set a single pixel */
void lcd_drawpixel(int x, int y)
{
if ( ((unsigned)x < (unsigned)current_vp->width)
&& ((unsigned)y < (unsigned)current_vp->height)
#if defined(HAVE_VIEWPORT_CLIP)
&& ((unsigned)x < (unsigned)LCD_WIDTH)
&& ((unsigned)y < (unsigned)LCD_HEIGHT)
#endif
)
lcd_fastpixelfuncs[current_vp->drawmode](LCDADDR(current_vp->x+x, current_vp->y+y));
}
/* Draw a line */
void lcd_drawline(int x1, int y1, int x2, int y2)
{
int numpixels;
int i;
int deltax, deltay;
int d, dinc1, dinc2;
int x, xinc1, xinc2;
int y, yinc1, yinc2;
lcd_fastpixelfunc_type *pfunc = lcd_fastpixelfuncs[current_vp->drawmode];
deltay = abs(y2 - y1);
if (deltay == 0)
{
/* DEBUGF("lcd_drawline() called for horizontal line - optimisation.\n"); */
lcd_hline(x1, x2, y1);
return;
}
deltax = abs(x2 - x1);
if (deltax == 0)
{
/* DEBUGF("lcd_drawline() called for vertical line - optimisation.\n"); */
lcd_vline(x1, y1, y2);
return;
}
xinc2 = 1;
yinc2 = 1;
if (deltax >= deltay)
{
numpixels = deltax;
d = 2 * deltay - deltax;
dinc1 = deltay * 2;
dinc2 = (deltay - deltax) * 2;
xinc1 = 1;
yinc1 = 0;
}
else
{
numpixels = deltay;
d = 2 * deltax - deltay;
dinc1 = deltax * 2;
dinc2 = (deltax - deltay) * 2;
xinc1 = 0;
yinc1 = 1;
}
numpixels++; /* include endpoints */
if (x1 > x2)
{
xinc1 = -xinc1;
xinc2 = -xinc2;
}
if (y1 > y2)
{
yinc1 = -yinc1;
yinc2 = -yinc2;
}
x = x1;
y = y1;
for (i = 0; i < numpixels; i++)
{
if ( ((unsigned)x < (unsigned)current_vp->width)
&& ((unsigned)y < (unsigned)current_vp->height)
#if defined(HAVE_VIEWPORT_CLIP)
&& ((unsigned)x < (unsigned)LCD_WIDTH)
&& ((unsigned)y < (unsigned)LCD_HEIGHT)
#endif
)
pfunc(LCDADDR(x + current_vp->x, y + current_vp->y));
if (d < 0)
{
d += dinc1;
x += xinc1;
y += yinc1;
}
else
{
d += dinc2;
x += xinc2;
y += yinc2;
}
}
}
/* Draw a horizontal line (optimised) */
void lcd_hline(int x1, int x2, int y)
{
@ -585,21 +252,6 @@ void lcd_vline(int x, int y1, int y2)
}
}
/* Draw a rectangular box */
void lcd_drawrect(int x, int y, int width, int height)
{
if ((width <= 0) || (height <= 0))
return;
int x2 = x + width - 1;
int y2 = y + height - 1;
lcd_vline(x, y, y2);
lcd_vline(x2, y, y2);
lcd_hline(x, x2, y);
lcd_hline(x, x2, y2);
}
/* Fill a rectangular area */
void lcd_fillrect(int x, int y, int width, int height)
{
@ -792,8 +444,6 @@ void lcd_bitmap(const fb_data *src, int x, int y, int width, int height)
lcd_bitmap_part(src, 0, 0, STRIDE(SCREEN_MAIN, width, height), x, y, width, height);
}
#if !defined(TOSHIBA_GIGABEAT_F) && !defined(TOSHIBA_GIGABEAT_S) \
|| defined(SIMULATOR)
/* Draw a partial native bitmap */
void ICODE_ATTR lcd_bitmap_transparent_part(const fb_data *src, int src_x,
int src_y, int stride, int x,
@ -874,7 +524,6 @@ void ICODE_ATTR lcd_bitmap_transparent_part(const fb_data *src, int src_x,
}
while (dst < dst_end);
}
#endif /* !defined(TOSHIBA_GIGABEAT_F) || defined(SIMULATOR) */
/* Draw a full native bitmap with a transparent color */
void lcd_bitmap_transparent(const fb_data *src, int x, int y,
@ -883,10 +532,3 @@ void lcd_bitmap_transparent(const fb_data *src, int x, int y,
lcd_bitmap_transparent_part(src, 0, 0,
STRIDE(SCREEN_MAIN, width, height), x, y, width, height);
}
#define ROW_INC 1
#define COL_INC LCD_HEIGHT
#include "lcd-16bit-common.c"
#include "lcd-bitmap-common.c"

View file

@ -8,7 +8,6 @@
* $Id$
*
* Copyright (C) 2005 by Dave Chapman
*
* Copyright (C) 2009 by Karl Kurbjun
*
* Rockbox driver for 16-bit colour LCDs
@ -39,228 +38,14 @@
#include "bidi.h"
#include "scroll_engine.h"
enum fill_opt {
OPT_NONE = 0,
OPT_SET,
OPT_COPY
};
/*** globals ***/
fb_data lcd_framebuffer[LCD_FBHEIGHT][LCD_FBWIDTH]
IRAM_LCDFRAMEBUFFER CACHEALIGN_AT_LEAST_ATTR(16);
static fb_data* lcd_backdrop = NULL;
static long lcd_backdrop_offset IDATA_ATTR = 0;
static struct viewport default_vp =
{
.x = 0,
.y = 0,
.width = LCD_WIDTH,
.height = LCD_HEIGHT,
.font = FONT_SYSFIXED,
.drawmode = DRMODE_SOLID,
.fg_pattern = LCD_DEFAULT_FG,
.bg_pattern = LCD_DEFAULT_BG,
.lss_pattern = LCD_DEFAULT_BG,
.lse_pattern = LCD_DEFAULT_BG,
.lst_pattern = LCD_DEFAULT_BG,
};
static struct viewport* current_vp IDATA_ATTR = &default_vp;
/* LCD init */
void lcd_init(void)
{
lcd_clear_display();
/* Call device specific init */
lcd_init_device();
scroll_init();
}
/*** Viewports ***/
void lcd_set_viewport(struct viewport* vp)
{
if (vp == NULL)
current_vp = &default_vp;
else
current_vp = vp;
#if defined(SIMULATOR)
/* Force the viewport to be within bounds. If this happens it should
* be considered an error - the viewport will not draw as it might be
* expected.
*/
if((unsigned) current_vp->x > (unsigned) LCD_WIDTH
|| (unsigned) current_vp->y > (unsigned) LCD_HEIGHT
|| current_vp->x + current_vp->width > LCD_WIDTH
|| current_vp->y + current_vp->height > LCD_HEIGHT)
{
#if !defined(HAVE_VIEWPORT_CLIP)
DEBUGF("ERROR: "
#else
DEBUGF("NOTE: "
#endif
"set_viewport out of bounds: x: %d y: %d width: %d height:%d\n",
current_vp->x, current_vp->y,
current_vp->width, current_vp->height);
}
#endif
}
void lcd_update_viewport(void)
{
lcd_update_rect(current_vp->x, current_vp->y,
current_vp->width, current_vp->height);
}
void lcd_update_viewport_rect(int x, int y, int width, int height)
{
lcd_update_rect(current_vp->x + x, current_vp->y + y, width, height);
}
/*** parameter handling ***/
void lcd_set_drawmode(int mode)
{
current_vp->drawmode = mode & (DRMODE_SOLID|DRMODE_INVERSEVID);
}
int lcd_get_drawmode(void)
{
return current_vp->drawmode;
}
void lcd_set_foreground(unsigned color)
{
current_vp->fg_pattern = color;
}
unsigned lcd_get_foreground(void)
{
return current_vp->fg_pattern;
}
void lcd_set_background(unsigned color)
{
current_vp->bg_pattern = color;
}
unsigned lcd_get_background(void)
{
return current_vp->bg_pattern;
}
void lcd_set_selector_start(unsigned color)
{
current_vp->lss_pattern = color;
}
void lcd_set_selector_end(unsigned color)
{
current_vp->lse_pattern = color;
}
void lcd_set_selector_text(unsigned color)
{
current_vp->lst_pattern = color;
}
void lcd_set_drawinfo(int mode, unsigned fg_color, unsigned bg_color)
{
lcd_set_drawmode(mode);
current_vp->fg_pattern = fg_color;
current_vp->bg_pattern = bg_color;
}
int lcd_getwidth(void)
{
return current_vp->width;
}
int lcd_getheight(void)
{
return current_vp->height;
}
void lcd_setfont(int newfont)
{
current_vp->font = newfont;
}
int lcd_getfont(void)
{
return current_vp->font;
}
int lcd_getstringsize(const unsigned char *str, int *w, int *h)
{
return font_getstringsize(str, w, h, current_vp->font);
}
/*** low-level drawing functions ***/
#define ROW_INC LCD_WIDTH
#define COL_INC 1
#define LCDADDR(x, y) (&lcd_framebuffer[(y)][(x)])
static void ICODE_ATTR setpixel(fb_data *address)
{
*address = current_vp->fg_pattern;
}
#include "lcd-16bit-common.c"
static void ICODE_ATTR clearpixel(fb_data *address)
{
*address = current_vp->bg_pattern;
}
static void ICODE_ATTR clearimgpixel(fb_data *address)
{
*address = *(fb_data *)((long)address + lcd_backdrop_offset);
}
static void ICODE_ATTR flippixel(fb_data *address)
{
*address = ~(*address);
}
static void ICODE_ATTR nopixel(fb_data *address)
{
(void)address;
}
lcd_fastpixelfunc_type* const lcd_fastpixelfuncs_bgcolor[8] = {
flippixel, nopixel, setpixel, setpixel,
nopixel, clearpixel, nopixel, clearpixel
};
lcd_fastpixelfunc_type* const lcd_fastpixelfuncs_backdrop[8] = {
flippixel, nopixel, setpixel, setpixel,
nopixel, clearimgpixel, nopixel, clearimgpixel
};
lcd_fastpixelfunc_type* const * lcd_fastpixelfuncs = lcd_fastpixelfuncs_bgcolor;
void lcd_set_backdrop(fb_data* backdrop)
{
lcd_backdrop = backdrop;
if (backdrop)
{
lcd_backdrop_offset = (long)backdrop - (long)&lcd_framebuffer[0][0];
lcd_fastpixelfuncs = lcd_fastpixelfuncs_backdrop;
}
else
{
lcd_backdrop_offset = 0;
lcd_fastpixelfuncs = lcd_fastpixelfuncs_bgcolor;
}
}
fb_data* lcd_get_backdrop(void)
{
return lcd_backdrop;
}
#include "lcd-bitmap-common.c"
/*** drawing functions ***/
@ -314,120 +99,6 @@ void lcd_clear_viewport(void)
}
}
/* Clear the whole display */
void lcd_clear_display(void)
{
struct viewport* old_vp = current_vp;
current_vp = &default_vp;
lcd_clear_viewport();
current_vp = old_vp;
}
/* Set a single pixel */
void lcd_drawpixel(int x, int y)
{
if ( ((unsigned)x < (unsigned)current_vp->width)
&& ((unsigned)y < (unsigned)current_vp->height)
#if defined(HAVE_VIEWPORT_CLIP)
&& ((unsigned)x < (unsigned)LCD_WIDTH)
&& ((unsigned)y < (unsigned)LCD_HEIGHT)
#endif
)
lcd_fastpixelfuncs[current_vp->drawmode](LCDADDR(current_vp->x+x, current_vp->y+y));
}
/* Draw a line */
void lcd_drawline(int x1, int y1, int x2, int y2)
{
int numpixels;
int i;
int deltax, deltay;
int d, dinc1, dinc2;
int x, xinc1, xinc2;
int y, yinc1, yinc2;
lcd_fastpixelfunc_type *pfunc = lcd_fastpixelfuncs[current_vp->drawmode];
deltay = abs(y2 - y1);
if (deltay == 0)
{
/* DEBUGF("lcd_drawline() called for horizontal line - optimisation.\n"); */
lcd_hline(x1, x2, y1);
return;
}
deltax = abs(x2 - x1);
if (deltax == 0)
{
/* DEBUGF("lcd_drawline() called for vertical line - optimisation.\n"); */
lcd_vline(x1, y1, y2);
return;
}
xinc2 = 1;
yinc2 = 1;
if (deltax >= deltay)
{
numpixels = deltax;
d = 2 * deltay - deltax;
dinc1 = deltay * 2;
dinc2 = (deltay - deltax) * 2;
xinc1 = 1;
yinc1 = 0;
}
else
{
numpixels = deltay;
d = 2 * deltax - deltay;
dinc1 = deltax * 2;
dinc2 = (deltax - deltay) * 2;
xinc1 = 0;
yinc1 = 1;
}
numpixels++; /* include endpoints */
if (x1 > x2)
{
xinc1 = -xinc1;
xinc2 = -xinc2;
}
if (y1 > y2)
{
yinc1 = -yinc1;
yinc2 = -yinc2;
}
x = x1;
y = y1;
for (i = 0; i < numpixels; i++)
{
if ( ((unsigned)x < (unsigned)current_vp->width)
&& ((unsigned)y < (unsigned)current_vp->height)
#if defined(HAVE_VIEWPORT_CLIP)
&& ((unsigned)x < (unsigned)LCD_WIDTH)
&& ((unsigned)y < (unsigned)LCD_HEIGHT)
#endif
)
pfunc(LCDADDR(x + current_vp->x, y + current_vp->y));
if (d < 0)
{
d += dinc1;
x += xinc1;
y += yinc1;
}
else
{
d += dinc2;
x += xinc2;
y += yinc2;
}
}
}
/* Draw a horizontal line (optimised) */
void lcd_hline(int x1, int x2, int y)
{
@ -581,21 +252,6 @@ void lcd_vline(int x, int y1, int y2)
while (dst <= dst_end);
}
/* Draw a rectangular box */
void lcd_drawrect(int x, int y, int width, int height)
{
if ((width <= 0) || (height <= 0))
return;
int x2 = x + width - 1;
int y2 = y + height - 1;
lcd_vline(x, y, y2);
lcd_vline(x2, y, y2);
lcd_hline(x, x2, y);
lcd_hline(x, x2, y2);
}
/* Fill a rectangular area */
void lcd_fillrect(int x, int y, int width, int height)
{
@ -912,10 +568,3 @@ void lcd_bitmap_transparent(const fb_data *src, int x, int y,
{
lcd_bitmap_transparent_part(src, 0, 0, width, x, y, width, height);
}
#define ROW_INC LCD_WIDTH
#define COL_INC 1
#include "lcd-16bit-common.c"
#include "lcd-bitmap-common.c"