void gdispFillString(coord_t x, coord_t y, const char *str, font_t font, color_t color, color_t bgcolor) {
/* No mutex required as we only call high level functions which have their own mutex */
coord_t w, h, p;
char c;
int first;
if (!str) return;
first = 1;
h = font->height * font->yscale;
p = font->charPadding * font->xscale;
while(*str) {
/* Get the next printable character */
c = *str++;
w = _getCharWidth(font, c) * font->xscale;
if (!w) continue;
/* Handle inter-character padding */
if (p) {
if (!first) {
gdispFillArea(x, y, p, h, bgcolor);
x += p;
} else
first = 0;
}
/* Print the character */
gdispFillChar(x, y, c, font, color, bgcolor);
x += w;
}
}
coord_t gdispGetStringWidth(const char* str, font_t font) {
/* No mutex required as we only read static data */
coord_t w, p, x;
char c;
int first;
first = 1;
x = 0;
p = font->charPadding * font->xscale;
while(*str) {
/* Get the next printable character */
c = *str++;
w = _getCharWidth(font, c) * font->xscale;
if (!w) continue;
/* Handle inter-character padding */
if (p) {
if (!first)
x += p;
else
first = 0;
}
/* Add the character width */
x += w;
}
return x;
}
void lld_gdisp_draw_char(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++)
lld_gdisp_draw_pixel(x+i+xs, y+j+ys, color);
}
}
}
}
coord_t gdispGetCharWidth(char c, font_t font) {
/* No mutex required as we only read static data */
return _getCharWidth(font, c) * font->xscale;
}
void gdispFillStringBox(coord_t x, coord_t y, coord_t cx, coord_t cy, const char* str, font_t font, color_t color, color_t bgcolor, justify_t justify) {
/* No mutex required as we only call high level functions which have their own mutex */
coord_t w, h, p, ypos, xpos;
char c;
int first;
const char *rstr;
if (!str) str = "";
h = font->height * font->yscale;
p = font->charPadding * font->xscale;
/* Oops - font too large for the area */
if (h > cy) return;
/* See if we need to fill above the font */
ypos = (cy - h + 1)/2;
if (ypos > 0) {
gdispFillArea(x, y, cx, ypos, bgcolor);
y += ypos;
cy -= ypos;
}
/* See if we need to fill below the font */
ypos = cy - h;
if (ypos > 0) {
gdispFillArea(x, y+cy-ypos, cx, ypos, bgcolor);
cy -= ypos;
}
/* get the start of the printable string and the xpos */
switch(justify) {
case justifyCenter:
/* Get the length of the entire string */
w = gdispGetStringWidth(str, font);
if (w <= cx)
xpos = x + (cx - w)/2;
else {
/* Calculate how much of the string we need to get rid of */
ypos = (w - cx)/2;
xpos = 0;
first = 1;
while(*str) {
/* Get the next printable character */
c = *str++;
w = _getCharWidth(font, c) * font->xscale;
if (!w) continue;
/* Handle inter-character padding */
if (p) {
if (!first) {
xpos += p;
if (xpos > ypos) break;
} else
first = 0;
}
/* Print the character */
xpos += w;
if (xpos > ypos) break;
}
xpos = ypos - xpos + x;
}
break;
case justifyRight:
/* Find the end of the string */
for(rstr = str; *str; str++);
xpos = x+cx - 2;
first = 1;
for(str--; str >= rstr; str--) {
/* Get the next printable character */
c = *str;
w = _getCharWidth(font, c) * font->xscale;
if (!w) continue;
/* Handle inter-character padding */
if (p) {
if (!first) {
if (xpos - p < x) break;
xpos -= p;
} else
first = 0;
}
/* Print the character */
if (xpos - w < x) break;
xpos -= w;
}
str++;
break;
case justifyLeft:
/* Fall through */
default:
xpos = x+1;
break;
}
/* Fill any space to the left */
if (x < xpos)
gdispFillArea(x, y, xpos-x, cy, bgcolor);
/* Print characters until we run out of room */
first = 1;
while(*str) {
/* Get the next printable character */
c = *str++;
w = _getCharWidth(font, c) * font->xscale;
if (!w) continue;
/* Handle inter-character padding */
if (p) {
if (!first) {
if (xpos + p > x+cx) break;
gdispFillArea(xpos, y, p, cy, bgcolor);
xpos += p;
} else
first = 0;
}
/* Print the character */
if (xpos + w > x+cx) break;
gdispFillChar(xpos, y, c, font, color, bgcolor);
xpos += w;
}
/* Fill any space to the right */
if (xpos < x+cx)
gdispFillArea(xpos, y, x+cx-xpos, cy, bgcolor);
}
void lld_gdisp_fill_char(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 */
lld_gdisp_fill_area(x, y, width, height, bgcolor);
/* Draw the text */
lld_gdisp_draw_char(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 ((unsigned)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++)
lld_gdisp_blit_area_ex(x+i+xs, y, 1, height, 0, 0, 1, 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 ((unsigned)(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 */
lld_gdisp_blit_area_ex(x, y, width, height, 0, 0, width, 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++)
lld_gdisp_draw_pixel(x+i+xs, y+j+ys, color);
} else {
for(xs=0; xs < xscale; xs++)
for(ys=0; ys < yscale; ys++)
lld_gdisp_draw_pixel(x+i+xs, y+j+ys, bgcolor);
}
}
}
}
#endif
}
/**
* @brief Draw a character using a filled background.
* @note Optional - The high level driver can emulate using software.
*
* @param[in] x, y The top-left corner of the text
* @param[in] c The character to print
* @param[in] color The color of the character
* @param[in] bgcolor The background color
*
* @notapi
*/
void GDISP_LLD(fillchar)(coord_t x, coord_t y, char c, font_t font, color_t color, color_t bgcolor) {
volatile coord_t width, height; // TODO check why volatile is needed. Otherwise width * height = 0 if height is optimized out
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;
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 ((unsigned)(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);
}
}
}
/*
* write char in display memory (after end of normal memory)
*/
lld_lcdBurstWriteMemory(480 * 272 * 2, buf, width * height);
uint16_t lcdBitBLTBuffer[10];
lcdBitBLTBuffer[0] = 0x05; /* 0x82 16bpp, source linear */
lcdBitBLTBuffer[2] = 0x00; /* 0x86 Move positive */
lcdBitBLTBuffer[3] = ((480*272)*2) & 0xffff; /* 0x88 Source start address */
lcdBitBLTBuffer[4] = (480*272*2)>>16; /* 0x8A Source start address */
lcdBitBLTBuffer[5] = (y * GDISP_SCREEN_WIDTH * 2) + (x * 2); /* 0x8C Destination start address */
lcdBitBLTBuffer[6] = ((y * GDISP_SCREEN_WIDTH * 2) + (x * 2)) >> 16; /* 0x8E Destination start address */
lcdBitBLTBuffer[7] = GDISP_SCREEN_WIDTH; /* 0x90 Rectangle offset (screen width) */
lcdBitBLTBuffer[8] = width; /* 0x92 Width */
lcdBitBLTBuffer[9] = height; /* 0x94 Height */
lld_lcdBurstWriteMemory(0x60882, lcdBitBLTBuffer, 10);
lld_lcdWriteReg( 0x80, 0x01); /* Start blit */
}