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);
}
}
}
}
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 */
}
