Update Inkplate.cpp
This commit is contained in:
David Zovko
GitHub
parent
5e961c5d0c
commit
8d19ff62ce
388
Inkplate.cpp
388
Inkplate.cpp
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@ -1,8 +1,9 @@
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#include "Inkplate.h"
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#include <stdlib.h>
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#include "Adafruit_GFX.h"
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#include "WiFi.h"
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#include "HTTPClient.h"
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#include "Inkplate.h"
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Adafruit_MCP23017 mcp;
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SPIClass spi2(HSPI);
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SdFat sd(&spi2);
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@ -87,12 +88,12 @@ void Inkplate::begin(void) {
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//Draw function, used by Adafruit GFX.
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void Inkplate::drawPixel(int16_t x0, int16_t y0, uint16_t color) {
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if (x0 > _width - 1 || y0 > _height - 1 || x0 < 0 || y0 < 0) return;
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if (x0 > 799 || y0 > 599 || x0 < 0 || y0 < 0) return;
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switch (_rotation) {
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case 1:
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_swap_int16_t(x0, y0);
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x0 = _height - x0 - 1;
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x0 = _width - x0 - 1;
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break;
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case 2:
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x0 = _width - x0 - 1;
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@ -237,7 +238,7 @@ void Inkplate::drawBitmap3Bit(int16_t _x, int16_t _y, const unsigned char* _p, i
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void Inkplate::setRotation(uint8_t r) {
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_rotation = r % 4;
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switch (_rotation) {
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switch (rotation) {
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case 0:
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_width = E_INK_WIDTH;
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_height = E_INK_HEIGHT;
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@ -329,13 +330,13 @@ uint8_t Inkplate::getDisplayMode() {
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return _displayMode;
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}
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int Inkplate::drawBitmapFromSD(SdFile* p, int x, int y) {
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int Inkplate::drawBitmapFromSD(SdFile* p, int x, int y, bool invert) {
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if(sdCardOk == 0) return 0;
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struct bitmapHeader bmpHeader;
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readBmpHeader(p, &bmpHeader);
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if (bmpHeader.signature != 0x4D42 || bmpHeader.compression != 0 || !(bmpHeader.color == 1 || bmpHeader.color == 24)) return 0;
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readBmpHeaderSd(p, &bmpHeader);
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if (bmpHeader.signature != 0x4D42 || bmpHeader.compression != 0 || !(bmpHeader.color == 1 || bmpHeader.color == 4 || bmpHeader.color == 8 || bmpHeader.color == 24)) return 0;
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if ((bmpHeader.color == 24 || bmpHeader.color == 32) && getDisplayMode() != INKPLATE_3BIT) {
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if ((bmpHeader.color == 4 || bmpHeader.color == 8 || bmpHeader.color == 24 || bmpHeader.color == 32) && getDisplayMode() != INKPLATE_3BIT) {
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selectDisplayMode(INKPLATE_3BIT);
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}
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@ -343,67 +344,70 @@ int Inkplate::drawBitmapFromSD(SdFile* p, int x, int y) {
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selectDisplayMode(INKPLATE_1BIT);
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}
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if (bmpHeader.color == 1) drawMonochromeBitmap(p, bmpHeader, x, y);
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if (bmpHeader.color == 24) drawGrayscaleBitmap24(p, bmpHeader, x, y);
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if (bmpHeader.color == 1) drawMonochromeBitmapSd(p, bmpHeader, x, y, invert);
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if (bmpHeader.color == 4) drawGrayscaleBitmap4Sd(p, bmpHeader, x, y, invert);
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if (bmpHeader.color == 8) drawGrayscaleBitmap8Sd(p, bmpHeader, x, y, invert);
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if (bmpHeader.color == 24) drawGrayscaleBitmap24Sd(p, bmpHeader, x, y, invert);
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return 1;
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}
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int Inkplate::drawBitmapFromSD(char* fileName, int x, int y) {
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int Inkplate::drawBitmapFromSD(char* fileName, int x, int y, bool invert) {
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if(sdCardOk == 0) return 0;
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SdFile dat;
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if (dat.open(fileName, O_RDONLY)) {
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return drawBitmapFromSD(&dat, x, y);
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return drawBitmapFromSD(&dat, x, y, invert);
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} else {
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return 0;
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}
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}
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void Inkplate::drawThickLine(int x1, int y1, int x2, int y2, int color, float thickness)
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{
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float deg = atan2f((float)(y2 - y1), (float)(x2 - x1));
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int Inkplate::drawBitmapFromWeb(WiFiClient* s, int x, int y, int len, bool invert) {
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struct bitmapHeader bmpHeader;
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readBmpHeaderWeb(s, &bmpHeader);
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if (bmpHeader.signature != 0x4D42 || bmpHeader.compression != 0 || !(bmpHeader.color == 1 || bmpHeader.color == 4 || bmpHeader.color == 8 || bmpHeader.color == 24)) return 0;
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float l1 = tan(deg);
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float k1 = (float)y1 - l1 * (float)x1;
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float degShift = (l1 < 0 ? M_PI_2 : -M_PI_2);
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int x3 = (int)round((float)x1 + thickness / 2.0 * cos(deg + degShift));
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int y3 = (int)round((float)y1 + thickness / 2.0 * sin(deg + degShift));
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int x4 = (int)round((float)x2 + thickness / 2.0 * cos(deg + degShift));
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int y4 = (int)round((float)y2 + thickness / 2.0 * sin(deg + degShift));
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x1 = (int)round((float)x1 + thickness / 2.0 * cos(deg - degShift));
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y1 = (int)round((float)y1 + thickness / 2.0 * sin(deg - degShift));
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x2 = (int)round((float)x2 + thickness / 2.0 * cos(deg - degShift));
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y2 = (int)round((float)y2 + thickness / 2.0 * sin(deg - degShift));
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fillTriangle(x1, y1, x2, y2, x3, y3, color);
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fillTriangle(x2, y2, x4, y4, x3, y3, color);
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}
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void Inkplate::drawGradientLine(int x1, int y1, int x2, int y2, int color1, int color2, float thickness) {
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int n = color2 - color1;
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float px = (float)(x2 - x1) / (float)n;
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float py = (float)(y2 - y1) / (float)n;
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for (int i = 0; i < n; ++i)
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{
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if (abs(thickness + 1) < 0.1)
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drawLine((int)((float)x1 + (float)i * px), (int)((float)y1 + (float)i * py),
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(int)((float)x1 + (float)(i + 1) * px), (int)((float)y1 + (float)(i + 1) * py),
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color1 + i);
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else
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drawThickLine((int)((float)x1 + (float)i * px), (int)((float)y1 + (float)i * py),
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(int)((float)x1 + (float)(i + 1) * px), (int)((float)y1 + (float)(i + 1) * py),
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color1 + i,
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thickness);
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if ((bmpHeader.color == 4 || bmpHeader.color == 8 || bmpHeader.color == 24 || bmpHeader.color == 32) && getDisplayMode() != INKPLATE_3BIT) {
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selectDisplayMode(INKPLATE_3BIT);
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}
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if (bmpHeader.color == 1 && getDisplayMode() != INKPLATE_1BIT) {
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selectDisplayMode(INKPLATE_1BIT);
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}
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if (bmpHeader.color == 1) drawMonochromeBitmapWeb(s, bmpHeader, x, y, len, invert);
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if (bmpHeader.color == 4) drawGrayscaleBitmap4Web(s, bmpHeader, x, y, len, invert);
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if (bmpHeader.color == 8) drawGrayscaleBitmap8Web(s, bmpHeader, x, y, len, invert);
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if (bmpHeader.color == 24) drawGrayscaleBitmap24Web(s, bmpHeader, x, y, len, invert);
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return 1;
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}
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int Inkplate::drawBitmapFromWeb(char* url, int x, int y, bool invert) {
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if (WiFi.status() != WL_CONNECTED) return 0;
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int ret = 0;
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bool sleep = WiFi.getSleep();
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WiFi.setSleep(false);
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HTTPClient http;
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http.getStream().setNoDelay(true);
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http.getStream().setTimeout(1);
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http.begin(url);
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int httpCode = http.GET();
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if (httpCode == 200) {
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int32_t len = http.getSize();
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if (len > 0) {
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WiFiClient * dat = http.getStreamPtr();
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ret = drawBitmapFromWeb(dat, x, y, len, invert);
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}
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}
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http.end();
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WiFi.setSleep(sleep);
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return ret;
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}
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int Inkplate::sdCardInit() {
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spi2.begin(14, 12, 13, 15);
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@ -815,7 +819,7 @@ uint16_t Inkplate::read16(uint8_t* c) {
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return (*(c) | (*(c + 1) << 8));
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}
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void Inkplate::readBmpHeader(SdFile *_f, struct bitmapHeader *_h) {
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void Inkplate::readBmpHeaderSd(SdFile *_f, struct bitmapHeader *_h) {
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uint8_t header[100];
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_f->rewind();
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_f->read(header, 100);
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@ -830,7 +834,21 @@ void Inkplate::readBmpHeader(SdFile *_f, struct bitmapHeader *_h) {
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return;
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}
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int Inkplate::drawMonochromeBitmap(SdFile *f, struct bitmapHeader bmpHeader, int x, int y) {
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void Inkplate::readBmpHeaderWeb(WiFiClient *_s, struct bitmapHeader *_h) {
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uint8_t header[34];
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_s->read(header, 34);
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_h->signature = read16(header + 0);
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_h->fileSize = read32(header + 2);
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_h->startRAW = read32(header + 10);
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_h->dibHeaderSize = read32(header + 14);
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_h->width = read32(header + 18);
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_h->height = read32(header + 22);
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_h->color = read16(header + 28);
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_h->compression = read32(header + 30);
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return;
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}
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int Inkplate::drawMonochromeBitmapSd(SdFile *f, struct bitmapHeader bmpHeader, int x, int y, bool invert) {
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int w = bmpHeader.width;
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int h = bmpHeader.height;
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uint8_t paddingBits = w % 32;
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@ -841,14 +859,18 @@ int Inkplate::drawMonochromeBitmap(SdFile *f, struct bitmapHeader bmpHeader, int
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for (j = 0; j < h; j++) {
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for (i = 0; i < w; i++) {
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uint32_t pixelRow = f->read() << 24 | f->read() << 16 | f->read() << 8 | f->read();
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if (invert)
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pixelRow = ~pixelRow;
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for (int n = 0; n < 32; n++) {
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drawPixel((i * 32) + n + x, h - j + y, !(pixelRow & (1ULL << (31 - n))));
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drawPixel((i * 32) + n + x, h - 1 - j + y, !(pixelRow & (1ULL << (31 - n))));
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}
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}
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if (paddingBits) {
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uint32_t pixelRow = f->read() << 24 | f->read() << 16 | f->read() << 8 | f->read();
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if (invert)
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pixelRow = ~pixelRow;
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for (int n = 0; n < paddingBits; n++) {
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drawPixel((i * 32) + n + x, h - j + y, !(pixelRow & (1ULL << (31 - n))));
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drawPixel((i * 32) + n + x, h - 1 - j + y, !(pixelRow & (1ULL << (31 - n))));
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}
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}
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}
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@ -856,7 +878,62 @@ int Inkplate::drawMonochromeBitmap(SdFile *f, struct bitmapHeader bmpHeader, int
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return 1;
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}
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int Inkplate::drawGrayscaleBitmap24(SdFile *f, struct bitmapHeader bmpHeader, int x, int y) {
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int Inkplate::drawGrayscaleBitmap4Sd(SdFile *f, struct bitmapHeader bmpHeader, int x, int y, bool invert) {
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int w = bmpHeader.width;
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int h = bmpHeader.height;
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uint8_t paddingBits = w % 8;
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w /= 8;
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f->seekSet(bmpHeader.startRAW);
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int i, j;
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for (j = 0; j < h; j++) {
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for (i = 0; i < w; i++) {
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uint32_t pixelRow = f->read() << 24 | f->read() << 16 | f->read() << 8 | f->read();
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if (invert)
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pixelRow = ~pixelRow;
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for (int n = 0; n < 8; n++) {
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drawPixel((i * 8) + n + x, h - 1 - j + y, (pixelRow & (0xFULL << (28 - n*4))) >> (28 - n*4 + 1));
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}
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}
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if (paddingBits) {
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uint32_t pixelRow = f->read() << 24 | f->read() << 16 | f->read() << 8 | f->read();
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if (invert)
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pixelRow = ~pixelRow;
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for (int n = 0; n < paddingBits; n++) {
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drawPixel((i * 8) + n + x, h - 1 - j + y, ((pixelRow & (0xFULL << (28 - n*4)))) >> (28 - n*4 + 1));
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}
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}
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}
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f->close();
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return 1;
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}
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int Inkplate::drawGrayscaleBitmap8Sd(SdFile *f, struct bitmapHeader bmpHeader, int x, int y, bool invert) {
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int w = bmpHeader.width;
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int h = bmpHeader.height;
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char padding = w % 4;
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f->seekSet(bmpHeader.startRAW);
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int i, j;
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for (j = 0; j < h; j++) {
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for (i = 0; i < w; i++) {
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uint8_t px = 0;
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if (invert)
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px = 255-f->read();
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else
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px = f->read();
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drawPixel(i + x, h - 1 - j + y, px>>5);
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}
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if (padding) {
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for (int p = 0; p < 4-padding; p++) {
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f->read();
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}
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}
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}
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f->close();
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return 1;
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}
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int Inkplate::drawGrayscaleBitmap24Sd(SdFile *f, struct bitmapHeader bmpHeader, int x, int y, bool invert) {
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int w = bmpHeader.width;
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int h = bmpHeader.height;
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char padding = w % 4;
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@ -870,9 +947,13 @@ int Inkplate::drawGrayscaleBitmap24(SdFile *f, struct bitmapHeader bmpHeader, in
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//display.drawPixel(i + x, h - j + y, (uint8_t)(px*7));
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//So then, we are convertng it to grayscale using good old average and gamma correction (from LUT). With this metod, it is still slow (full size image takes 4 seconds), but much beter than prev mentioned method.
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uint8_t px = (f->read() * 2126 / 10000) + (f->read() * 7152 / 10000) + (f->read() * 722 / 10000);
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uint8_t px = 0;
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if (invert)
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px = ((255-f->read()) * 2126 / 10000) + ((255-f->read()) * 7152 / 10000) + ((255-f->read()) * 722 / 10000);
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else
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px = (f->read() * 2126 / 10000) + (f->read() * 7152 / 10000) + (f->read() * 722 / 10000);
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//drawPixel(i + x, h - j + y, gammaLUT[px]);
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drawPixel(i + x, h - j + y, px>>5);
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drawPixel(i + x, h - 1 - j + y, px>>5);
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//drawPixel(i + x, h - j + y, px/32);
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}
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if (padding) {
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@ -885,9 +966,192 @@ int Inkplate::drawGrayscaleBitmap24(SdFile *f, struct bitmapHeader bmpHeader, in
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return 1;
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}
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int Inkplate::drawMonochromeBitmapWeb(WiFiClient *s, struct bitmapHeader bmpHeader, int x, int y, int len, bool invert) {
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int w = bmpHeader.width;
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int h = bmpHeader.height;
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uint8_t paddingBits = w % 32;
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int total = len - 34;
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w /= 32;
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uint8_t* buf = (uint8_t*) ps_malloc(total);
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if (buf == NULL)
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return 0;
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int pnt = 0;
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while (pnt < total) {
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int toread = s->available();
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if (toread > 0) {
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int read = s->read(buf+pnt, toread);
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if (read > 0)
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pnt += read;
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}
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}
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int i, j, k = bmpHeader.startRAW - 34;
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for (j = 0; j < h; j++) {
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for (i = 0; i < w; i++) {
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uint32_t pixelRow = buf[k++] << 24 | buf[k++] << 16 | buf[k++] << 8 | buf[k++];
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if (invert)
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pixelRow = ~pixelRow;
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for (int n = 0; n < 32; n++) {
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drawPixel((i * 32) + n + x, h - 1 - j + y, !(pixelRow & (1ULL << (31 - n))));
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}
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}
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if (paddingBits) {
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uint32_t pixelRow = buf[k++] << 24 | buf[k++] << 16 | buf[k++] << 8 | buf[k++];
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if (invert)
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pixelRow = ~pixelRow;
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for (int n = 0; n < paddingBits; n++) {
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drawPixel((i * 32) + n + x, h - 1 - j + y, !(pixelRow & (1ULL << (31 - n))));
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}
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}
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}
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free(buf);
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return 1;
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}
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int Inkplate::drawGrayscaleBitmap4Web(WiFiClient *s, struct bitmapHeader bmpHeader, int x, int y, int len, bool invert) {
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int w = bmpHeader.width;
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int h = bmpHeader.height;
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char paddingBits = w % 8;
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int total = len - 34;
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w /= 8;
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uint8_t* buf = (uint8_t*) ps_malloc(total);
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if (buf == NULL)
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return 0;
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int pnt = 0;
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while (pnt < total) {
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int toread = s->available();
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if (toread > 0) {
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int read = s->read(buf+pnt, toread);
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if (read > 0)
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pnt += read;
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}
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}
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int i, j, k = bmpHeader.startRAW - 34;
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for (j = 0; j < h; j++) {
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for (i = 0; i < w; i++) {
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uint32_t pixelRow = buf[k++] << 24 | buf[k++] << 16 | buf[k++] << 8 | buf[k++];
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if (invert)
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pixelRow = ~pixelRow;
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for (int n = 0; n < 8; n++) {
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drawPixel((i * 8) + n + x, h - 1 - j + y, (pixelRow & (0xFULL << (28 - n*4))) >> (28 - n*4 + 1));
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}
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}
|
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if (paddingBits) {
|
||||
uint32_t pixelRow = buf[k++] << 24 | buf[k++] << 16 | buf[k++] << 8 | buf[k++];
|
||||
if (invert)
|
||||
pixelRow = ~pixelRow;
|
||||
for (int n = 0; n < paddingBits; n++) {
|
||||
drawPixel((i * 8) + n + x, h - 1 - j + y, ((pixelRow & (0xFULL << (28 - n*4)))) >> (28 - n*4 + 1));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
free(buf);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
int Inkplate::drawGrayscaleBitmap8Web(WiFiClient *s, struct bitmapHeader bmpHeader, int x, int y, int len, bool invert) {
|
||||
int w = bmpHeader.width;
|
||||
int h = bmpHeader.height;
|
||||
char padding = w % 4;
|
||||
int total = len - 34;
|
||||
|
||||
uint8_t* buf = (uint8_t*) ps_malloc(total);
|
||||
if (buf == NULL)
|
||||
return 0;
|
||||
|
||||
int pnt = 0;
|
||||
while (pnt < total) {
|
||||
int toread = s->available();
|
||||
if (toread > 0) {
|
||||
int read = s->read(buf+pnt, toread);
|
||||
if (read > 0)
|
||||
pnt += read;
|
||||
}
|
||||
}
|
||||
|
||||
int i, j, k = bmpHeader.startRAW - 34;
|
||||
for (j = 0; j < h; j++) {
|
||||
for (i = 0; i < w; i++) {
|
||||
uint8_t px = 0;
|
||||
if (invert)
|
||||
px = 255-buf[k++];
|
||||
else
|
||||
px = buf[k++];
|
||||
drawPixel(i + x, h - 1 - j + y, px>>5);
|
||||
}
|
||||
if (padding) {
|
||||
for (int p = 0; p < 4-padding; p++) {
|
||||
k++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
free(buf);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
int Inkplate::drawGrayscaleBitmap24Web(WiFiClient *s, struct bitmapHeader bmpHeader, int x, int y, int len, bool invert) {
|
||||
int w = bmpHeader.width;
|
||||
int h = bmpHeader.height;
|
||||
char padding = w % 4;
|
||||
int total = len - 34;
|
||||
|
||||
uint8_t* buf = (uint8_t*) ps_malloc(total);
|
||||
if (buf == NULL)
|
||||
return 0;
|
||||
|
||||
int pnt = 0;
|
||||
while (pnt < total) {
|
||||
int toread = s->available();
|
||||
if (toread > 0) {
|
||||
int read = s->read(buf+pnt, toread);
|
||||
if (read > 0)
|
||||
pnt += read;
|
||||
}
|
||||
}
|
||||
|
||||
int i, j, k = bmpHeader.startRAW - 34;
|
||||
for (j = 0; j < h; j++) {
|
||||
for (i = 0; i < w; i++) {
|
||||
//This is the proper way of converting True Color (24 Bit RGB) bitmap file into grayscale, but it takes waaay too much time (full size picture takes about 17s to decode!)
|
||||
//float px = (0.2126 * (readByteFromSD(&file) / 255.0)) + (0.7152 * (readByteFromSD(&file) / 255.0)) + (0.0722 * (readByteFromSD(&file) / 255.0));
|
||||
//px = pow(px, 1.5);
|
||||
//display.drawPixel(i + x, h - j + y, (uint8_t)(px*7));
|
||||
|
||||
//So then, we are convertng it to grayscale using good old average and gamma correction (from LUT). With this metod, it is still slow (full size image takes 4 seconds), but much beter than prev mentioned method.
|
||||
uint8_t px = 0;
|
||||
if (invert)
|
||||
px = ((255-buf[k++]) * 2126 / 10000) + ((255-buf[k++]) * 7152 / 10000) + ((255-buf[k++]) * 722 / 10000);
|
||||
else
|
||||
px = (buf[k++] * 2126 / 10000) + (buf[k++] * 7152 / 10000) + (buf[k++] * 722 / 10000);
|
||||
//drawPixel(i + x, h - j + y, gammaLUT[px]);
|
||||
drawPixel(i + x, h - 1 - j + y, px>>5);
|
||||
//drawPixel(i + x, h - j + y, px/32);
|
||||
}
|
||||
if (padding) {
|
||||
for (int p = 0; p < padding; p++) {
|
||||
k++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
free(buf);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
void Inkplate::precalculateGamma(uint8_t* c, float gamma) {
|
||||
for (int i = 0; i < 256; i++) {
|
||||
c[i] = int(round((pow(i / 255.0, gamma)) * 15));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue