C++ conversion (#80)

Converted project to C++
2024-11-22 20:26:08 +01:00
parent 6d80144e12
commit 85e26636a3
488 changed files with 6017 additions and 39466 deletions
@@ -0,0 +1,93 @@
+#include "save_bmp.h"
+
+typedef struct tagBITMAPFILEHEADER {
+    uint16_t bfType;
+    uint32_t bfSize;
+    uint16_t bfReserved1;
+    uint16_t bfReserved2;
+    uint32_t bfOffBits;
+} __attribute__((packed)) BITMAPFILEHEADER, *PBITMAPFILEHEADER;
+
+typedef struct tagBITMAPINFOHEADER {
+    uint32_t biSize;
+    uint32_t biwidth;
+    uint32_t biheight;
+    uint16_t biPlanes;
+    uint16_t biBitCount;
+    uint32_t biCompression;
+    uint32_t biSizeImage;
+    uint32_t biXPelsPerMeter;
+    uint32_t biYPelsPerMeter;
+    uint32_t biClrUsed;
+    uint32_t biClrImportant;
+} __attribute__((packed)) BITMAPINFOHEADER, *PBITMAPINFOHEADER;
+
+typedef struct tagRGBQUAD {
+    uint8_t rgbBlue;
+    uint8_t rgbGreen;
+    uint8_t rgbRed;
+    uint8_t rgbReserved;
+} __attribute__((packed)) RGBQUAD;
+
+bool lve_screenshot_save_bmp_file(const uint8_t* image, uint32_t w, uint32_t h, uint32_t bpp, const char* filename) {
+    BITMAPFILEHEADER tBmpFileHead;
+    BITMAPINFOHEADER tBmpInfoHead;
+
+    uint32_t dwSize;
+
+    uint32_t bw;
+    lv_fs_file_t f;
+
+    memset(&tBmpFileHead, 0, sizeof(BITMAPFILEHEADER));
+    memset(&tBmpInfoHead, 0, sizeof(BITMAPINFOHEADER));
+
+    lv_fs_res_t res = lv_fs_open(&f, filename, LV_FS_MODE_WR);
+    if (res != LV_FS_RES_OK) {
+        LV_LOG_USER("Can't create output file %s", filename);
+        return false;
+    }
+
+    tBmpFileHead.bfType = 0x4d42;
+    tBmpFileHead.bfSize = 0x36 + w * h * (bpp / 8);
+    tBmpFileHead.bfOffBits = 0x00000036;
+
+    tBmpInfoHead.biSize = 0x00000028;
+    tBmpInfoHead.biwidth = w;
+    tBmpInfoHead.biheight = h;
+    tBmpInfoHead.biPlanes = 0x0001;
+    tBmpInfoHead.biBitCount = bpp;
+    tBmpInfoHead.biCompression = 0;
+    tBmpInfoHead.biSizeImage = w * h * (bpp / 8);
+    tBmpInfoHead.biXPelsPerMeter = 0;
+    tBmpInfoHead.biYPelsPerMeter = 0;
+    tBmpInfoHead.biClrUsed = 0;
+    tBmpInfoHead.biClrImportant = 0;
+
+    res = lv_fs_write(&f, &tBmpFileHead, sizeof(tBmpFileHead), &bw);
+    if (bw != sizeof(tBmpFileHead)) {
+        LV_LOG_USER("Can't write BMP File Head to %s", filename);
+        return false;
+    }
+
+    res = lv_fs_write(&f, &tBmpInfoHead, sizeof(tBmpInfoHead), &bw);
+    if (bw != sizeof(tBmpInfoHead)) {
+        LV_LOG_USER("Can't write BMP File Info Head to %s", filename);
+        return false;
+    }
+
+    dwSize = w * bpp / 8;
+    const uint8_t* pPos = image + (h - 1) * dwSize;
+
+    while (pPos >= image) {
+        res = lv_fs_write(&f, pPos, dwSize, &bw);
+        if (bw != dwSize) {
+            LV_LOG_USER("Can't write date to BMP File %s", filename);
+            return false;
+        }
+        pPos -= dwSize;
+    }
+
+    lv_fs_close(&f);
+
+    return true;
+}