Kerry Martin
KSM edits to RA8875
Diff: RA8875.cpp
- Revision:
- 96:40b74dd3695b
- Parent:
- 95:ef538bd687c0
- Child:
- 97:03c509c3db18
- Child:
- 98:ecebed9b80b2
--- a/RA8875.cpp Tue Jul 07 17:05:59 2015 +0000
+++ b/RA8875.cpp Sat Nov 28 15:39:44 2015 +0000
@@ -97,6 +97,9 @@
, cs(csel)
, res(reset)
{
+ c_callback = NULL;
+ obj_callback = NULL;
+ method_callback = NULL;
}
//RA8875::~RA8875()
@@ -1587,9 +1590,205 @@
RetCode_t RA8875::PrintScreen(uint16_t layer, loc_t x, loc_t y, dim_t w, dim_t h, const char *Name_BMP)
{
(void)layer;
+
+ // AttachPrintHandler(this, RA8875::_printCallback);
+ // return PrintScreen(x,y,w,h);
return PrintScreen(x, y, w, h, Name_BMP);
}
+RetCode_t RA8875::_printCallback(RA8875::filecmd_t cmd, uint8_t * buffer, uint16_t size)
+{
+ HexDump("CB", buffer, size);
+ switch(cmd) {
+ case RA8875::OPEN:
+ //pc.printf("About to write %lu bytes\r\n", *(uint32_t *)buffer);
+ _printFH = fopen("file.bmp", "w+b");
+ if (_printFH == 0)
+ return file_not_found;
+ break;
+ case RA8875::WRITE:
+ //pc.printf(" Write %4u bytes\r\n", size);
+ fwrite(buffer, 1, size, _printFH);
+ break;
+ case RA8875::CLOSE:
+ //pc.printf(" close\r\n");
+ fclose(_printFH);
+ _printFH = 0;
+ break;
+ default:
+ //pc.printf("Unexpected callback %d\r\n", cmd);
+ return file_not_found;
+ //break;
+ }
+ return noerror;
+}
+
+RetCode_t RA8875::PrintScreen(loc_t x, loc_t y, dim_t w, dim_t h)
+{
+ BITMAPFILEHEADER BMP_Header;
+ BITMAPINFOHEADER BMP_Info;
+ uint8_t * lineBuffer = NULL;
+ color_t * pixelBuffer = NULL;
+ color_t * pixelBuffer2 = NULL;
+
+ INFO("(%d,%d) - (%d,%d) %s", x,y,w,h,Name_BMP);
+ if (x >= 0 && x < width()
+ && y >= 0 && y < height()
+ && w > 0 && x + w <= width()
+ && h > 0 && y + h <= height()) {
+
+ BMP_Header.bfType = BF_TYPE;
+ BMP_Header.bfSize = (w * h * sizeof(RGBQUAD)) + sizeof(BMP_Header) + sizeof(BMP_Header);
+ BMP_Header.bfReserved1 = 0;
+ BMP_Header.bfReserved2 = 0;
+ BMP_Header.bfOffBits = sizeof(BMP_Header) + sizeof(BMP_Header);
+
+ BMP_Info.biSize = sizeof(BMP_Info);
+ BMP_Info.biWidth = w;
+ BMP_Info.biHeight = h;
+ BMP_Info.biPlanes = 1;
+ BMP_Info.biBitCount = 24;
+ BMP_Info.biCompression = BI_RGB;
+ BMP_Info.biSizeImage = 0;
+ BMP_Info.biXPelsPerMeter = 0;
+ BMP_Info.biYPelsPerMeter = 0;
+ BMP_Info.biClrUsed = 0;
+ BMP_Info.biClrImportant = 0;
+
+ // Allocate the memory we need to proceed
+ int lineBufSize = ((24 * w + 7)/8);
+ lineBuffer = (uint8_t *)malloc(lineBufSize);
+ if (lineBuffer == NULL) {
+ ERR("Not enough RAM for PrintScreen lineBuffer");
+ return(not_enough_ram);
+ }
+
+ #define DOUBLEBUF /* one larger buffer instead of two */
+
+ #ifdef DOUBLEBUF
+ // In the "#else", pixelBuffer2 malloc returns a value,
+ // but is actually causing a failure later.
+ // This test helps determine if it is truly out of memory,
+ // or if malloc is broken.
+ pixelBuffer = (color_t *)malloc(2 * w * sizeof(color_t));
+ pixelBuffer2 = pixelBuffer + (w * sizeof(color_t));
+ #else
+ pixelBuffer = (color_t *)malloc(w * sizeof(color_t));
+ pixelBuffer2 = (color_t *)malloc(w * sizeof(color_t));
+ #endif
+ if (pixelBuffer == NULL || pixelBuffer2 == NULL) {
+ ERR("Not enough RAM for pixelBuffer");
+ #ifndef DOUBLEBUF
+ if (pixelBuffer2)
+ free(pixelBuffer2);
+ #endif
+ if (pixelBuffer)
+ free(pixelBuffer);
+ free(lineBuffer);
+ if (pixelBuffer)
+ free(pixelBuffer);
+ return(not_enough_ram);
+ }
+
+ // Get the file primed...
+ privateCallback(OPEN, (uint8_t *)&BMP_Header.bfSize, 4);
+
+ // Be optimistic - don't check for errors.
+ HexDump("BMP_Header", (uint8_t *)&BMP_Header, sizeof(BMP_Header));
+ //fwrite(&BMP_Header, sizeof(char), sizeof(BMP_Header), Image);
+ privateCallback(WRITE, (uint8_t *)&BMP_Header, sizeof(BMP_Header));
+
+ HexDump("BMP_Info", (uint8_t *)&BMP_Info, sizeof(BMP_Info));
+ //fwrite(&BMP_Info, sizeof(char), sizeof(BMP_Info), Image);
+ privateCallback(WRITE, (uint8_t *)&BMP_Info, sizeof(BMP_Info));
+
+ //color_t transparency = GetBackgroundTransparencyColor();
+ LayerMode_T ltpr0 = GetLayerMode();
+
+ uint16_t prevLayer = GetDrawingLayer();
+ // If only one of the layers is visible, select that layer
+ switch(ltpr0) {
+ case ShowLayer0:
+ SelectDrawingLayer(0);
+ break;
+ case ShowLayer1:
+ SelectDrawingLayer(1);
+ break;
+ default:
+ break;
+ }
+
+ // Read the display from the last line toward the top
+ // so we can write the file in one pass.
+ for (int j = h - 1; j >= 0; j--) {
+ if (ltpr0 >= 2) // Need to combine the layers...
+ SelectDrawingLayer(0); // so read layer 0 first
+ // Read one line of pixels to a local buffer
+ if (getPixelStream(pixelBuffer, w, x,y+j) != noerror) {
+ ERR("getPixelStream error, and no recovery handler...");
+ }
+ if (ltpr0 >= 2) { // Need to combine the layers...
+ SelectDrawingLayer(1); // so read layer 1 next
+ if (getPixelStream(pixelBuffer2, w, x,y+j) != noerror) {
+ ERR("getPixelStream error, and no recovery handler...");
+ }
+ }
+ INFO("1st Color: %04X", pixelBuffer[0]);
+ HexDump("Raster", (uint8_t *)pixelBuffer, w);
+ // Convert the local buffer to RGBQUAD format
+ int lb = 0;
+ for (int i=0; i<w; i++) {
+ RGBQUAD q0 = RGB16ToRGBQuad(pixelBuffer[x+i]); // Scale to 24-bits
+ RGBQUAD q1 = RGB16ToRGBQuad(pixelBuffer2[x+i]); // Scale to 24-bits
+ switch (ltpr0) {
+ case 0:
+ case 1:
+ case 2: // lighten-overlay (@TODO Not supported yet)
+ case 6: // Floating Windows (@TODO not sure how to support)
+ default: // Reserved...
+ lineBuffer[lb++] = q0.rgbBlue;
+ lineBuffer[lb++] = q0.rgbGreen;
+ lineBuffer[lb++] = q0.rgbRed;
+ break;
+ case 3: // transparent mode (@TODO Read the background color register for transparent)
+ case 4: // boolean or
+ lineBuffer[lb++] = q0.rgbBlue | q1.rgbBlue;
+ lineBuffer[lb++] = q0.rgbGreen | q1.rgbGreen;
+ lineBuffer[lb++] = q0.rgbRed | q1.rgbRed;
+ break;
+ case 5: // boolean AND
+ lineBuffer[lb++] = q0.rgbBlue & q1.rgbBlue;
+ lineBuffer[lb++] = q0.rgbGreen & q1.rgbGreen;
+ lineBuffer[lb++] = q0.rgbRed & q1.rgbRed;
+ break;
+ }
+ }
+ if (j == h - 1) {
+ HexDump("Line", lineBuffer, lineBufSize);
+ }
+ // Write to disk
+ //fwrite(lineBuffer, sizeof(char), lb, Image);
+ privateCallback(WRITE, (uint8_t *)lineBuffer, lb);
+ }
+ SelectDrawingLayer(prevLayer);
+ //fclose(Image);
+ privateCallback(CLOSE, NULL, 0);
+
+ #ifndef DOUBLEBUF
+ if (pixelBuffer2)
+ free(pixelBuffer2);
+ #endif
+ if (pixelBuffer)
+ free(pixelBuffer);
+ free(lineBuffer);
+ if (pixelBuffer)
+ free(pixelBuffer);
+ INFO("Image closed");
+ return noerror;
+ } else {
+ return bad_parameter;
+ }
+}
RetCode_t RA8875::PrintScreen(loc_t x, loc_t y, dim_t w, dim_t h, const char *Name_BMP)
{