diff options
Diffstat (limited to 'sw/Core/Src/lpzw.h')
| -rwxr-xr-x | sw/Core/Src/lpzw.h | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/sw/Core/Src/lpzw.h b/sw/Core/Src/lpzw.h deleted file mode 100755 index d61b717..0000000 --- a/sw/Core/Src/lpzw.h +++ /dev/null @@ -1,144 +0,0 @@ -#pragma once -// api for kay -// i2cbuf is a global ram 512 byte buffer ready to be sent over I2C. -// if you want to get fancy and send sub rectangles you need to start doing commands to the i2c controller -// so I ignored that for now -extern uint8_t i2cbuf[4][128]; - -void clearscreen(); // just sets i2cbuf to 0 -void drawlpzwlogo(int y); // y is the vertical position -int drawstr24(int x, int y, const char* txt); // draws a string 'txt' at position x,y. 0,0 is top left. clipped! returns string width in pixels -int strwidth24(const char* txt); // returns width of a string in pixels - -//////////////////// -// implementation: - -uint8_t i2cbuf[4][128]; -static const uint8_t logo32x32_rotated_pins_top[] PROGMEM = { 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-0x9f,0xdf,0xee,0x73,0x39,0x1c,0xfe,0xff,0x19,0x19,0xff,0xff,0x83,0xe3,0xe3,0x23,0x23,0x21,0x38,0x3c,0x3f,0x1f,0x00,0x01,0x03,0x07,0x0f,0x39,0x73,0xe6,0xce,0x9f, -0xf9,0xfb,0x77,0xce,0x9c,0x38,0x7f,0xff,0x98,0x98,0xff,0xff,0xc1,0xc7,0xc7,0xc4,0xc4,0x84,0x1c,0x3c,0xfc,0xf8,0x00,0x80,0xc0,0xe0,0xf0,0x9c,0xce,0x67,0x73,0xf9, -0x03,0x07,0x0c,0x38,0x71,0xe3,0xc6,0xcc,0xf9,0xf3,0xe6,0xcc,0xd8,0xd8,0xd8,0xd8,0xd9,0xdb,0xdf,0xde,0xcc,0xee,0xff,0xfd,0xdc,0xce,0xe3,0x71,0x38,0x1c,0x0e,0x03, -}; -*/ -#define FONT24_WIDTH 58 -static const uint16_t font24_xpos[] PROGMEM = { -0,2,7,16,24,32,42,43,46,49,56,68,70,77,79,84,91,95,102,109,117,124,131,138,145,152,154,157,169,181,193,200,218,227,235,242,250,257,264,272,279,281,288,297,304,315,323,331,338,347,356,364,372,380,389,403,412,420,427,430,434,438,450,461 }; -static const uint8_t font24[24][FONT24_WIDTH] PROGMEM = { 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-32 || y >= 128) return; - const uint8_t* src = logo32x32_rotated_pins_top; - int h = 32; - if (y + h > 128) h = 128 - y; - if (y < 0) { - h += y; - src -= y; - y = 0; - } - for (int r = 0; r < 4; ++r) { - uint8_t* dst = &i2cbuf[r][y]; - for (int yy = 0; yy < h; ++yy) *dst++ = *src++; - src += 32 - h; - } -} -int drawchar24_internal(int dstx, int dsty, int c); -int drawstr24(int x, int y, const char* txt) { // returns width of string - // character drawer is flipped in x. so lets figure that out first; - x = 32 - x; - int startx = x; - for (; *txt; ++txt) - x -= drawchar24_internal(x, y, *txt); - return startx - x; -} -int strwidth24(const char* txt) { - int w = 0; - for (; *txt; ++txt) { - char c = *txt; - if (c < 33 || c >= 0x60) - w += 4; - else - w += font24_xpos[c - 32] - font24_xpos[c - 33] + 1; - } - return w; -} -int drawchar24_internal(int dstx, int dsty, int c) { // nb x is flipped here, for internal use only. returns char width - if (c < 33 || c >= 0x60) - return 4; // space size - c -= 33; - int x1 = font24_xpos[c]; - int x2 = font24_xpos[c + 1]; - int xw = x2 - x1; - int srcbyte = (x1 >> 3); - uint8_t* src = &font24[0][srcbyte]; - uint8_t shift = (x1 & 7); - uint32_t mask = (1 << (x2 - x1)) - 1; - dstx -= xw; // because we are flipped, we need to pre-advance x! - if (dstx >= 32 || dstx < -xw || dsty < -24 || dsty >= 128) - return xw + 1; // offscreen - if (dstx < 0) { - shift -= dstx; - mask >>= -dstx; - dstx = 0; - } - uint8_t dstshift = dstx & 7; - uint8_t* dst = &i2cbuf[(dstx >> 3)][dsty]; - int dsth = 24; - if (dsty < 0) { - dsth += dsty; // decrease h - dst -= dsty; // advance dst - src -= FONT24_WIDTH * dsty; // advance src - dsty = 0; // clipped! - } - if (dsty + dsth > 128) dsth = 128 - dsty; - for (int y = 0; y < dsth; ++y) { - uint32_t pixels = *(uint32_t*)src; - src += FONT24_WIDTH; - pixels >>= shift; - pixels &= mask; - pixels <<= dstshift; - for (int x = 0; x < 4; ++x) { - *dst |= (uint8_t)pixels; - pixels >>= 8; - dst += 128; - } - dst -= 128 * 4 - 1; - } - return xw + 1; -} - |