50bd6e8bf6
* SdCard HAL refactored (#135) - Refactor SdCard HAL - introduce Lockable * Screenshot and FatFS improvements (#136) - Fix screenshots on ESP32 - Improve Screenshot service - Convert Screenshot app to class-based instead of structs - Screenshot app now automatically updates when task is finished - Enable FatFS long filename support * Re-use common log messages (#138) For consistency and binary size reduction * Toolbar spinner should get margin to the right * More TactilityC features (#139) * Rewrote Loader - Simplified Loader by removing custom threa - Created DispatcherThread - Move auto-starting apps to Boot app - Fixed Dispatcher bug where it could get stuck not processing new messages * Hide AP settings if the AP is not saved * Missing from previous commit * Replace LV_EVENT_CLICKED with LV_EVENT_SHORT_CLICKED * Refactored files app and created InputDialog (#140) - Changed Files app so that it has a View and State - Files app now allows for long-pressing on files to perform actions - Files app now has rename and delete actions - Created InputDialog app - Improved AlertDialog app layout
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
#include <memory.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "lvgl.h"
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typedef struct tagBITMAPFILEHEADER {
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uint16_t bfType;
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uint32_t bfSize;
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uint16_t bfReserved1;
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uint16_t bfReserved2;
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uint32_t bfOffBits;
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} __attribute__((packed)) BITMAPFILEHEADER, *PBITMAPFILEHEADER;
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typedef struct tagBITMAPINFOHEADER {
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uint32_t biSize;
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uint32_t biwidth;
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uint32_t biheight;
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uint16_t biPlanes;
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uint16_t biBitCount;
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uint32_t biCompression;
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uint32_t biSizeImage;
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uint32_t biXPelsPerMeter;
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uint32_t biYPelsPerMeter;
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uint32_t biClrUsed;
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uint32_t biClrImportant;
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} __attribute__((packed)) BITMAPINFOHEADER, *PBITMAPINFOHEADER;
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typedef struct tagRGBQUAD {
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uint8_t rgbBlue;
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uint8_t rgbGreen;
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uint8_t rgbRed;
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uint8_t rgbReserved;
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} __attribute__((packed)) RGBQUAD;
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bool lve_screenshot_save_bmp_file(const uint8_t* image, uint32_t w, uint32_t h, uint32_t bpp, const char* filename) {
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BITMAPFILEHEADER tBmpFileHead;
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BITMAPINFOHEADER tBmpInfoHead;
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uint32_t dwSize;
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uint32_t bw;
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lv_fs_file_t f;
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memset(&tBmpFileHead, 0, sizeof(BITMAPFILEHEADER));
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memset(&tBmpInfoHead, 0, sizeof(BITMAPINFOHEADER));
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lv_fs_res_t res = lv_fs_open(&f, filename, LV_FS_MODE_WR);
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if (res != LV_FS_RES_OK) {
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LV_LOG_USER("Can't create output file %s", filename);
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return false;
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}
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tBmpFileHead.bfType = 0x4d42;
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tBmpFileHead.bfSize = 0x36 + w * h * (bpp / 8);
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tBmpFileHead.bfOffBits = 0x00000036;
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tBmpInfoHead.biSize = 0x00000028;
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tBmpInfoHead.biwidth = w;
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tBmpInfoHead.biheight = h;
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tBmpInfoHead.biPlanes = 0x0001;
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tBmpInfoHead.biBitCount = bpp;
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tBmpInfoHead.biCompression = 0;
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tBmpInfoHead.biSizeImage = w * h * (bpp / 8);
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tBmpInfoHead.biXPelsPerMeter = 0;
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tBmpInfoHead.biYPelsPerMeter = 0;
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tBmpInfoHead.biClrUsed = 0;
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tBmpInfoHead.biClrImportant = 0;
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res = lv_fs_write(&f, &tBmpFileHead, sizeof(tBmpFileHead), &bw);
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if (bw != sizeof(tBmpFileHead)) {
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LV_LOG_USER("Can't write BMP File Head to %s", filename);
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return false;
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}
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res = lv_fs_write(&f, &tBmpInfoHead, sizeof(tBmpInfoHead), &bw);
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if (bw != sizeof(tBmpInfoHead)) {
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LV_LOG_USER("Can't write BMP File Info Head to %s", filename);
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return false;
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}
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dwSize = w * bpp / 8;
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const uint8_t* pPos = image + (h - 1) * dwSize;
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while (pPos >= image) {
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res = lv_fs_write(&f, pPos, dwSize, &bw);
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if (bw != dwSize) {
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LV_LOG_USER("Can't write date to BMP File %s", filename);
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return false;
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}
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pPos -= dwSize;
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}
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lv_fs_close(&f);
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return true;
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}
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