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Redesign to keepsake Memory Frame: config file based named memories with beautiful mobile web dashboard, upload wizard, and delete flow

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drjones
2026-07-04 02:18:39 -07:00
parent d23b6c245c
commit 1c5be95d4c
9 changed files with 1019 additions and 675 deletions
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91
sound_picture_app/Display_PNG.cpp
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@@ -1,88 +1,73 @@
#include "Display_PNG.h"
PNG png;
File Image_file;
static PNG png;
static File Image_file;
static int16_t xpos = 0;
static int16_t ypos = 0;
uint16_t Image_Count = 0;
char Image_Names[100][100];
int16_t xpos = 0;
int16_t ypos = 0;
void * pngOpen(const char *filePath, int32_t *size) {
// ── PNG callbacks ─────────────────────────────────────────────────────────────
static void* pngOpen(const char* filePath, int32_t* size) {
Image_file = SD_MMC.open(filePath);
if (!Image_file) { printf("PNG: failed to open %s\r\n", filePath); return nullptr; }
*size = Image_file.size();
return &Image_file;
}
void pngClose(void *handle) {
static void pngClose(void* handle) {
File* fp = (File*)handle;
if (fp && *fp) fp->close();
}
int32_t pngRead(PNGFILE *page, uint8_t *buffer, int32_t length) {
static int32_t pngRead(PNGFILE* page, uint8_t* buffer, int32_t length) {
if (!Image_file) return 0;
return Image_file.read(buffer, length);
}
int32_t pngSeek(PNGFILE *page, int32_t position) {
static int32_t pngSeek(PNGFILE* page, int32_t position) {
if (!Image_file) return 0;
return Image_file.seek(position);
}
static uint16_t lineBuffer[MAX_IMAGE_WIDTH];
void pngDraw(PNGDRAW *pDraw) {
static void pngDraw(PNGDRAW* pDraw) {
png.getLineAsRGB565(pDraw, lineBuffer, PNG_RGB565_BIG_ENDIAN, 0xffffffff);
uint32_t size = pDraw->iWidth;
for (size_t i = 0; i < size; i++) {
lineBuffer[i] = __builtin_bswap16(lineBuffer[i]);
}
LCD_addWindow(xpos, pDraw->y, xpos + pDraw->iWidth - 1, ypos + pDraw->y, lineBuffer);
uint32_t w = pDraw->iWidth;
for (size_t i = 0; i < w; i++) lineBuffer[i] = __builtin_bswap16(lineBuffer[i]);
LCD_addWindow(xpos, pDraw->y, xpos + w - 1, ypos + pDraw->y, lineBuffer);
}
void Search_Images(const char* directory) {
Image_Count = Folder_retrieval(directory, ".png", Image_Names, 100);
}
// Fill entire screen with black before drawing a new image
// ── Screen fill ───────────────────────────────────────────────────────────────
static void clearScreen() {
static uint16_t blackLine[MAX_IMAGE_WIDTH];
memset(blackLine, 0, sizeof(blackLine));
for (int y = 0; y < LCD_HEIGHT; y++) {
for (int y = 0; y < LCD_HEIGHT; y++)
LCD_addWindow(0, y, LCD_WIDTH - 1, y, blackLine);
}
}
void Display_Image_By_Path(const char* filePath) {
printf("Displaying image: %s\r\n", filePath);
int16_t ret = png.open(filePath, pngOpen, pngClose, pngRead, pngSeek, pngDraw);
if (ret == PNG_SUCCESS) {
printf("Image dimensions: %d x %d, %d bpp\r\n", png.getWidth(), png.getHeight(), png.getBpp());
if (png.getWidth() > MAX_IMAGE_WIDTH) {
printf("Image is too wide for line buffer!\r\n");
} else {
clearScreen(); // Clear leftovers from previous smaller image
ret = png.decode(NULL, 0);
png.close();
}
} else {
printf("Failed to open PNG image! Error code: %d\r\n", ret);
// ── Public API ────────────────────────────────────────────────────────────────
void Display_Image_From_SD(const char* fullPath) {
printf("PNG: loading %s\r\n", fullPath);
int16_t rc = png.open(fullPath, pngOpen, pngClose, pngRead, pngSeek, pngDraw);
if (rc != PNG_SUCCESS) {
printf("PNG: open failed, rc=%d\r\n", rc);
return;
}
if (png.getWidth() > MAX_IMAGE_WIDTH) {
printf("PNG: image too wide (%d px)\r\n", png.getWidth());
png.close();
return;
}
clearScreen();
png.decode(NULL, 0);
png.close();
}
void Display_Image_By_Index(const char* directory, uint16_t index) {
if (Image_Count == 0) {
Search_Images(directory);
}
if (Image_Count > 0 && index < Image_Count) {
String filePath;
if (String(directory) == "/") {
filePath = String(directory) + Image_Names[index];
} else {
filePath = String(directory) + "/" + Image_Names[index];
}
Display_Image_By_Path(filePath.c_str());
} else {
printf("Invalid image index: %d (Total images: %d)\r\n", index, Image_Count);
void Display_Memory_Photo(int memoryIndex) {
if (memoryIndex < 0 || memoryIndex >= g_memoryCount) {
printf("PNG: invalid memory index %d\r\n", memoryIndex);
return;
}
char path[120];
snprintf(path, sizeof(path), "/photos/%s", g_memories[memoryIndex].photo);
Display_Image_From_SD(path);
}