print Align LEFT, CENTER, RIGHT

This commit is contained in:
Patrick Haßel 2025-01-25 22:59:04 +01:00
parent 2b61f7ae98
commit 80df3ec9cc
3 changed files with 106 additions and 70 deletions

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@ -22,7 +22,7 @@ public:
display.setup(); display.setup();
display.setBrightness(6); display.setBrightness(6);
display.clear(); display.clear();
display.printf(1, 1, Blue, "Test"); display.printf(1, 1, LEFT, Blue, "Test");
display.drawLine(0, 7, 32, 0, 1, Red); display.drawLine(0, 7, 32, 0, 1, Red);
} }

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@ -9,6 +9,8 @@
#include "DisplayMatrix_FontSpecial.h" #include "DisplayMatrix_FontSpecial.h"
#include "DisplayMatrix_FontUpper.h" #include "DisplayMatrix_FontUpper.h"
#include <patrix/core/log.h>
inline void fixRect(int& x0, int& y0, int& w, int& h) { inline void fixRect(int& x0, int& y0, int& w, int& h) {
if (w < 0) { if (w < 0) {
x0 += w; x0 += w;
@ -20,6 +22,10 @@ inline void fixRect(int& x0, int& y0, int& w, int& h) {
} }
} }
enum Align {
LEFT, CENTER, RIGHT
};
class Display { class Display {
Adafruit_NeoPixel leds; Adafruit_NeoPixel leds;
@ -140,45 +146,73 @@ public:
// print ---------------------------------------------------------------------------------------- // print ----------------------------------------------------------------------------------------
void printf(const int x, const int y, const RGBA color, const char *format, ...) { void printf(const int x, const int y, const Align align, const RGBA color, const char *format, ...) {
va_list args; va_list args;
va_start(args, format); va_start(args, format);
printf(x, y, color, format, args); printf(x, y, align, color, format, args);
va_end(args); va_end(args);
} }
void printf(const int x, const int y, const RGBA color, const char *format, const va_list args) { void printf(const int x, const int y, const Align align, const RGBA color, const char *format, const va_list args) {
char buffer[64]; char buffer[64];
vsnprintf(buffer, sizeof buffer, format, args); vsnprintf(buffer, sizeof buffer, format, args);
print(x, y, color, buffer); print(x, y, align, color, buffer);
} }
void print(int x, int y, const RGBA color, const char *message) { void print(const int x0, const int y0, const Align align, const RGBA color, const char *message) {
while (*message != '\0') { auto x = x0;
print(&x, &y, color, &message); auto y = y0;
x += 1; // space between characters doAlign(x, align, message);
print(x, y, color, message, true);
}
void doAlign(int& x, const Align align, const char *message) {
if (align != LEFT) {
auto w = 0;
auto h = 0;
measure(message, w, h);
if (align == RIGHT) {
x = x - w;
} else if (align == CENTER) {
x = x - w / 2;
}
} else {
} }
} }
void print(int *x, int *y, const RGBA color, const char **cPP) { void measure(const char *message, int& w, int& h) {
w = 0;
h = 0;
print(w, h, White, message, false);
}
void print(int& x, int& y, const RGBA color, const char *message, const bool doDraw) {
auto character = message;
while (*character != '\0') {
print(x, x, y, color, &character, doDraw);
x++; // separate characters
}
}
void print(const int x0, int& x, int& y, const RGBA color, const char **cPP, const bool doDraw) {
const auto character = *(*cPP)++; const auto character = *(*cPP)++;
if ('0' <= character && character <= '9') { if ('0' <= character && character <= '9') {
return print(x, y, reinterpret_cast<bool *>(FONT_NUMBER_SEGMENTS[character - '0']), countof(FONT_NUMBER_SEGMENTS[character - '0'][0]), countof(FONT_NUMBER_SEGMENTS[character - '0']), color); return print(x, y, reinterpret_cast<bool *>(FONT_NUMBER_SEGMENTS[character - '0']), countof(FONT_NUMBER_SEGMENTS[character - '0'][0]), countof(FONT_NUMBER_SEGMENTS[character - '0']), color, doDraw);
} }
if ('A' <= character && character <= 'Z') { if ('A' <= character && character <= 'Z') {
return print(x, y, reinterpret_cast<bool *>(FONT_UPPER[character - 'A']), countof(FONT_UPPER[character - 'A'][0]), countof(FONT_UPPER[character - 'A']), color); return print(x, y, reinterpret_cast<bool *>(FONT_UPPER[character - 'A']), countof(FONT_UPPER[character - 'A'][0]), countof(FONT_UPPER[character - 'A']), color, doDraw);
} }
if ('a' <= character && character <= 'z') { if ('a' <= character && character <= 'z') {
return print(x, y, reinterpret_cast<bool *>(FONT_LOWER[character - 'a']), countof(FONT_LOWER[character - 'a'][0]), countof(FONT_LOWER[character - 'a']), color); return print(x, y, reinterpret_cast<bool *>(FONT_LOWER[character - 'a']), countof(FONT_LOWER[character - 'a'][0]), countof(FONT_LOWER[character - 'a']), color, doDraw);
} }
if (character == 0xC2) { if (character == 0xC2) {
const auto secondCharacter = *(*cPP)++; const auto secondCharacter = *(*cPP)++;
if (secondCharacter == 0xB0) { if (secondCharacter == 0xB0) {
return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_DEGREE), countof(FONT_CHAR_DEGREE[0]), countof(FONT_CHAR_DEGREE), color); return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_DEGREE), countof(FONT_CHAR_DEGREE[0]), countof(FONT_CHAR_DEGREE), color, doDraw);
} }
return printERROR(x, y, color); return printERROR(x, y, color, doDraw);
} }
if (character == 0xE2) { if (character == 0xE2) {
@ -186,90 +220,92 @@ public:
if (secondCharacter == 0x82) { if (secondCharacter == 0x82) {
const auto thirdCharacter = *(*cPP)++; const auto thirdCharacter = *(*cPP)++;
if (thirdCharacter == 0xAC) { if (thirdCharacter == 0xAC) {
return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_EURO), countof(FONT_CHAR_EURO[0]), countof(FONT_CHAR_EURO), color); return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_EURO), countof(FONT_CHAR_EURO[0]), countof(FONT_CHAR_EURO), color, doDraw);
} }
return printERROR(x, y, color); return printERROR(x, y, color, doDraw);
} }
return printERROR(x, y, color); return printERROR(x, y, color, doDraw);
} }
if (character == ' ') { if (character == ' ') {
*x += 1; x += 3;
return;
} }
if (character == '\n') { if (character == '\n') {
*y += 6; x = x0;
y += 6;
return; return;
} }
switch (character) { switch (character) {
case '-': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_MINUS), countof(FONT_CHAR_MINUS[0]), countof(FONT_CHAR_MINUS), color); case '-': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_MINUS), countof(FONT_CHAR_MINUS[0]), countof(FONT_CHAR_MINUS), color, doDraw);
case '+': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_PLUS), countof(FONT_CHAR_PLUS[0]), countof(FONT_CHAR_PLUS), color); case '+': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_PLUS), countof(FONT_CHAR_PLUS[0]), countof(FONT_CHAR_PLUS), color, doDraw);
case '_': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_UNDERLINE), countof(FONT_CHAR_UNDERLINE[0]), countof(FONT_CHAR_UNDERLINE), color); case '_': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_UNDERLINE), countof(FONT_CHAR_UNDERLINE[0]), countof(FONT_CHAR_UNDERLINE), color, doDraw);
case '%': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_PERCENT), countof(FONT_CHAR_PERCENT[0]), countof(FONT_CHAR_PERCENT), color); case '%': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_PERCENT), countof(FONT_CHAR_PERCENT[0]), countof(FONT_CHAR_PERCENT), color, doDraw);
case '?': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_QUESTION), countof(FONT_CHAR_QUESTION[0]), countof(FONT_CHAR_QUESTION), color); case '?': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_QUESTION), countof(FONT_CHAR_QUESTION[0]), countof(FONT_CHAR_QUESTION), color, doDraw);
case '!': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_EXCLAMATION), countof(FONT_CHAR_EXCLAMATION[0]), countof(FONT_CHAR_EXCLAMATION), color); case '!': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_EXCLAMATION), countof(FONT_CHAR_EXCLAMATION[0]), countof(FONT_CHAR_EXCLAMATION), color, doDraw);
case '.': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_POINT), countof(FONT_CHAR_POINT[0]), countof(FONT_CHAR_POINT), color); case '.': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_POINT), countof(FONT_CHAR_POINT[0]), countof(FONT_CHAR_POINT), color, doDraw);
case ',': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_COMMA), countof(FONT_CHAR_COMMA[0]), countof(FONT_CHAR_COMMA), color); case ',': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_COMMA), countof(FONT_CHAR_COMMA[0]), countof(FONT_CHAR_COMMA), color, doDraw);
case ';': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_SEMICOLON), countof(FONT_CHAR_SEMICOLON[0]), countof(FONT_CHAR_SEMICOLON), color); case ';': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_SEMICOLON), countof(FONT_CHAR_SEMICOLON[0]), countof(FONT_CHAR_SEMICOLON), color, doDraw);
case ':': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_COLON), countof(FONT_CHAR_COLON[0]), countof(FONT_CHAR_COLON), color); case ':': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_COLON), countof(FONT_CHAR_COLON[0]), countof(FONT_CHAR_COLON), color, doDraw);
case '#': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_SHARP), countof(FONT_CHAR_SHARP[0]), countof(FONT_CHAR_SHARP), color); case '#': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_SHARP), countof(FONT_CHAR_SHARP[0]), countof(FONT_CHAR_SHARP), color, doDraw);
case '~': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_TILDE), countof(FONT_CHAR_TILDE[0]), countof(FONT_CHAR_TILDE), color); case '~': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_TILDE), countof(FONT_CHAR_TILDE[0]), countof(FONT_CHAR_TILDE), color, doDraw);
case '*': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_ASTERISK), countof(FONT_CHAR_ASTERISK[0]), countof(FONT_CHAR_ASTERISK), color); case '*': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_ASTERISK), countof(FONT_CHAR_ASTERISK[0]), countof(FONT_CHAR_ASTERISK), color, doDraw);
case '"': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_QUOTE_DOUBLE), countof(FONT_CHAR_QUOTE_DOUBLE[0]), countof(FONT_CHAR_QUOTE_DOUBLE), color); case '"': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_QUOTE_DOUBLE), countof(FONT_CHAR_QUOTE_DOUBLE[0]), countof(FONT_CHAR_QUOTE_DOUBLE), color, doDraw);
case '\'': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_QUOTE_SINGLE), countof(FONT_CHAR_QUOTE_SINGLE[0]), countof(FONT_CHAR_QUOTE_SINGLE), color); case '\'': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_QUOTE_SINGLE), countof(FONT_CHAR_QUOTE_SINGLE[0]), countof(FONT_CHAR_QUOTE_SINGLE), color, doDraw);
case '=': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_EQUALS), countof(FONT_CHAR_EQUALS[0]), countof(FONT_CHAR_EQUALS), color); case '=': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_EQUALS), countof(FONT_CHAR_EQUALS[0]), countof(FONT_CHAR_EQUALS), color, doDraw);
case '(': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_PAR_L), countof(FONT_CHAR_PAR_L[0]), countof(FONT_CHAR_PAR_L), color); case '(': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_PAR_L), countof(FONT_CHAR_PAR_L[0]), countof(FONT_CHAR_PAR_L), color, doDraw);
case ')': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_PAR_R), countof(FONT_CHAR_PAR_R[0]), countof(FONT_CHAR_PAR_R), color); case ')': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_PAR_R), countof(FONT_CHAR_PAR_R[0]), countof(FONT_CHAR_PAR_R), color, doDraw);
case '[': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_BRACKET_L), countof(FONT_CHAR_BRACKET_L[0]), countof(FONT_CHAR_BRACKET_L), color); case '[': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_BRACKET_L), countof(FONT_CHAR_BRACKET_L[0]), countof(FONT_CHAR_BRACKET_L), color, doDraw);
case ']': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_BRACKET_R), countof(FONT_CHAR_BRACKET_R[0]), countof(FONT_CHAR_BRACKET_R), color); case ']': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_BRACKET_R), countof(FONT_CHAR_BRACKET_R[0]), countof(FONT_CHAR_BRACKET_R), color, doDraw);
case '{': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_CURL_L), countof(FONT_CHAR_CURL_L[0]), countof(FONT_CHAR_CURL_L), color); case '{': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_CURL_L), countof(FONT_CHAR_CURL_L[0]), countof(FONT_CHAR_CURL_L), color, doDraw);
case '}': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_CURL_R), countof(FONT_CHAR_CURL_R[0]), countof(FONT_CHAR_CURL_R), color); case '}': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_CURL_R), countof(FONT_CHAR_CURL_R[0]), countof(FONT_CHAR_CURL_R), color, doDraw);
case '/': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_SLASH), countof(FONT_CHAR_SLASH[0]), countof(FONT_CHAR_SLASH), color); case '/': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_SLASH), countof(FONT_CHAR_SLASH[0]), countof(FONT_CHAR_SLASH), color, doDraw);
case '\\': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_BACKSLASH), countof(FONT_CHAR_BACKSLASH[0]), countof(FONT_CHAR_BACKSLASH), color); case '\\': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_BACKSLASH), countof(FONT_CHAR_BACKSLASH[0]), countof(FONT_CHAR_BACKSLASH), color, doDraw);
case '&': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_AND), countof(FONT_CHAR_AND[0]), countof(FONT_CHAR_AND), color); case '&': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_AND), countof(FONT_CHAR_AND[0]), countof(FONT_CHAR_AND), color, doDraw);
case '|': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_PIPE), countof(FONT_CHAR_PIPE[0]), countof(FONT_CHAR_PIPE), color); case '|': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_PIPE), countof(FONT_CHAR_PIPE[0]), countof(FONT_CHAR_PIPE), color, doDraw);
case '$': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_DOLLAR), countof(FONT_CHAR_DOLLAR[0]), countof(FONT_CHAR_DOLLAR), color); case '$': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_DOLLAR), countof(FONT_CHAR_DOLLAR[0]), countof(FONT_CHAR_DOLLAR), color, doDraw);
case '@': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_AT), countof(FONT_CHAR_AT[0]), countof(FONT_CHAR_AT), color); case '@': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_AT), countof(FONT_CHAR_AT[0]), countof(FONT_CHAR_AT), color, doDraw);
case '<': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_LT), countof(FONT_CHAR_LT[0]), countof(FONT_CHAR_LT), color); case '<': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_LT), countof(FONT_CHAR_LT[0]), countof(FONT_CHAR_LT), color, doDraw);
case '>': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_GT), countof(FONT_CHAR_GT[0]), countof(FONT_CHAR_GT), color); case '>': return print(x, y, reinterpret_cast<bool *>(FONT_CHAR_GT), countof(FONT_CHAR_GT[0]), countof(FONT_CHAR_GT), color, doDraw);
default: return printERROR(x, y, color); default: return printERROR(x, y, color, doDraw);
} }
} }
void printERROR(int *x, const int *y, const RGBA color) { void print(int& x0, const int& y0, const bool *s, const int w, const int h, const RGBA color, const bool doDraw) {
return print(x, y, reinterpret_cast<bool *>(FONT_ERROR_), countof(FONT_ERROR_[0]), countof(FONT_ERROR_), color);
}
void print(int *x0, const int *y0, const bool *s, const int w, const int h, const RGBA color) {
auto maxWidth = 0; auto maxWidth = 0;
for (auto y = 0; y < h; y++) { for (auto y = 0; y < h; y++) {
for (auto x = 0; x < w; x++) { for (auto x = 0; x < w; x++) {
const auto symbolIndex = y * w + x; const auto symbolIndex = y * w + x;
const auto active = *(s + symbolIndex); const auto active = *(s + symbolIndex);
const auto pixelX = *x0 + x;
const auto pixelY = *y0 + y;
if (active) { if (active) {
setPixel(pixelX, pixelY, color);
maxWidth = max(x + 1, maxWidth); maxWidth = max(x + 1, maxWidth);
const auto pixelX = x0 + x;
const auto pixelY = y0 + y;
if (doDraw) {
setPixel(pixelX, pixelY, color);
} }
} }
} }
*x0 += maxWidth; }
x0 += maxWidth;
} }
void print(int *x0, const int *y0, const RGBA *s, const int w, const int h) { void print(int& x0, const int& y0, const RGBA *s, const int w, const int h) {
for (auto y = 0; y < h; y++) { for (auto y = 0; y < h; y++) {
for (auto x = 0; x < w; x++) { for (auto x = 0; x < w; x++) {
const auto symbolIndex = y * w + x; const auto symbolIndex = y * w + x;
const auto color = *(s + symbolIndex); const auto color = *(s + symbolIndex);
const auto pixelX = *x0 + x; const auto pixelX = x0 + x;
const auto pixelY = *y0 + y; const auto pixelY = y0 + y;
setPixel(pixelX, pixelY, color); setPixel(pixelX, pixelY, color);
} }
} }
*x0 += w; x0 += w;
}
void printERROR(int& x, const int& y, const RGBA color, const bool doDraw) {
return print(x, y, reinterpret_cast<bool *>(FONT_ERROR_), countof(FONT_ERROR_[0]), countof(FONT_ERROR_), color, doDraw);
} }
}; };

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@ -229,11 +229,11 @@ Symbol4 FONT_ERROR_ = {
}; };
Symbol5 FONT_CHAR_PERCENT = { Symbol5 FONT_CHAR_PERCENT = {
{X,_,_,_,X}, {X,_,_},
{_,_,_,X,_}, {_,_,X},
{_,_,X,_,_}, {_,X,_},
{_,X,_,_,_}, {X,_,_},
{X,_,_,_,X}, {_,_,X},
}; };
//@formatter:off //@formatter:off