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Added gradient to drawCharacter()

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Ability to select gradient text on Scrolling Text FX.
This commit is contained in:
Blaz Kristan 2023-01-17 19:54:44 +01:00
parent 39edb1ad37
commit c6db901051
4 changed files with 18 additions and 7 deletions
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12
wled00/FX.cpp
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@ -5892,15 +5892,21 @@ uint16_t mode_2Dscrollingtext(void) {
SEGMENT.fade_out(255 - (SEGMENT.custom1>>5)); // fade to background color
SEGMENT.fade_out(255 - (SEGMENT.custom1>>5)); // fade to background color
}
}
}
for (int i = 0; i < numberOfLetters; i++) {
if (int(cols) - int(SEGENV.aux0) + letterWidth*(i+1) < 0) continue; // don't draw characters off-screen
SEGMENT.drawCharacter(text[i], int(cols) - int(SEGENV.aux0) + letterWidth*i, yoffset, letterWidth, letterHeight, SEGMENT.color_from_palette(SEGENV.aux1, false, PALETTE_SOLID_WRAP, 0));
uint32_t col1 = SEGMENT.color_from_palette(SEGENV.aux1, false, PALETTE_SOLID_WRAP, 0);
uint32_t col2 = BLACK;
if (SEGMENT.check1 && SEGMENT.palette == 0) {
col1 = SEGCOLOR(0);
col2 = SEGCOLOR(2);
}
SEGMENT.drawCharacter(text[i], int(cols) - int(SEGENV.aux0) + letterWidth*i, yoffset, letterWidth, letterHeight, col1, col2);
}
return FRAMETIME;
}
static const char _data_FX_MODE_2DSCROLLTEXT[] PROGMEM = "Scrolling Text@!,Y Offset,Trail,Font size,,,Overlay;!,!;!;2;ix=128,c1=0,rev=0,mi=0,rY=0,mY=0";
static const char _data_FX_MODE_2DSCROLLTEXT[] PROGMEM = "Scrolling Text@!,Y Offset,Trail,Font size,,Gradient,Overlay;!,!,Gradient;!;2;ix=128,c1=0,rev=0,mi=0,rY=0,mY=0";
////////////////////////////

3
wled00/FX.h
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@ -593,8 +593,9 @@ typedef struct Segment {
void fill_circle(uint16_t cx, uint16_t cy, uint8_t radius, CRGB c);
void drawLine(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint32_t c);
void drawLine(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, CRGB c) { drawLine(x0, y0, x1, y1, RGBW32(c.r,c.g,c.b,0)); } // automatic inline
void drawCharacter(unsigned char chr, int16_t x, int16_t y, uint8_t w, uint8_t h, uint32_t color);
void drawCharacter(unsigned char chr, int16_t x, int16_t y, uint8_t w, uint8_t h, uint32_t color, uint32_t col2 = 0);
void drawCharacter(unsigned char chr, int16_t x, int16_t y, uint8_t w, uint8_t h, CRGB c) { drawCharacter(chr, x, y, w, h, RGBW32(c.r,c.g,c.b,0)); } // automatic inline
void drawCharacter(unsigned char chr, int16_t x, int16_t y, uint8_t w, uint8_t h, CRGB c, CRGB c2) { drawCharacter(chr, x, y, w, h, RGBW32(c.r,c.g,c.b,0), RGBW32(c2.r,c2.g,c2.b,0)); } // automatic inline
void wu_pixel(uint32_t x, uint32_t y, CRGB c);
void blur1d(fract8 blur_amount); // blur all rows in 1 dimension
void blur2d(fract8 blur_amount) { blur(blur_amount); }

8
wled00/FX_2Dfcn.cpp
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@ -499,13 +499,16 @@ void Segment::drawLine(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint3
// draws a raster font character on canvas
// only supports: 4x6=24, 5x8=40, 5x12=60, 6x8=48 and 7x9=63 fonts ATM
void Segment::drawCharacter(unsigned char chr, int16_t x, int16_t y, uint8_t w, uint8_t h, uint32_t color) {
void Segment::drawCharacter(unsigned char chr, int16_t x, int16_t y, uint8_t w, uint8_t h, uint32_t color, uint32_t col2) {
if (chr < 32 || chr > 126) return; // only ASCII 32-126 supported
chr -= 32; // align with font table entries
const uint16_t cols = virtualWidth();
const uint16_t rows = virtualHeight();
const int font = w*h;
CRGB col = CRGB(color);
CRGBPalette16 grad = CRGBPalette16(col, col2 ? CRGB(col2) : col);
//if (w<5 || w>6 || h!=8) return;
for (int i = 0; i<h; i++) { // character height
int16_t y0 = y + i;
@ -520,10 +523,11 @@ void Segment::drawCharacter(unsigned char chr, int16_t x, int16_t y, uint8_t w,
case 60: bits = pgm_read_byte_near(&console_font_5x12[(chr * h) + i]); break; // 5x12 font
default: return;
}
col = ColorFromPalette(grad, (i+1)*255/h, 255, NOBLEND);
for (int j = 0; j<w; j++) { // character width
int16_t x0 = x + (w-1) - j;
if ((x0 >= 0 || x0 < cols) && ((bits>>(j+(8-w))) & 0x01)) { // bit set & drawing on-screen
addPixelColorXY(x0, y0, color);
addPixelColorXY(x0, y0, col);
}
}
}

2
wled00/wled.h
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@ -8,7 +8,7 @@
*/
// version code in format yymmddb (b = daily build)
#define VERSION 2301140
#define VERSION 2301170
//uncomment this if you have a "my_config.h" file you'd like to use
//#define WLED_USE_MY_CONFIG