diff -r 219766126afb -r f1c85c2500f2 lib/unigraphic/GraphicsDisplay.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lib/unigraphic/GraphicsDisplay.cpp Tue Sep 20 23:50:45 2016 +0200 @@ -0,0 +1,473 @@ +/* mbed UniGraphic library - Graphics class + * Copyright (c) 2015 Giuliano Dianda + * Released under the MIT License: http://mbed.org/license/mit + * + * Derived work of: + * + * mbed GraphicsDisplay Display Library Base Class + * Copyright (c) 2007-2009 sford + * Released under the MIT License: http://mbed.org/license/mit + * + * mbed library for 240*320 pixel display TFT based on ILI9341 LCD Controller + * Copyright (c) 2013 Peter Drescher - DC2PD + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + + + +#include "GraphicsDisplay.h" +#define SWAP(a, b) { a ^= b; b ^= a; a ^= b; } +GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name) { + set_font((unsigned char*)Terminal6x8,32,127,true); + // foreground(0xFFFF); + // background(0x0000); + char_x = 0; + char_y = 0; + oriented_width=0; + oriented_height=0; + fontzoomver=1; + fontzoomhor=1; + auto_up = true; +} + +void GraphicsDisplay::WindowMax (void) +{ + window (0, 0, oriented_width, oriented_height); +} +void GraphicsDisplay::set_width(int width) +{ + oriented_width = width; +} +void GraphicsDisplay::set_height(int height) +{ + oriented_height = height; +} +int GraphicsDisplay::width() +{ + return oriented_width; +} +int GraphicsDisplay::height() +{ + return oriented_height; +} +void GraphicsDisplay::circle(int x0, int y0, int r, unsigned short color) +{ + int x = -r, y = 0, err = 2-2*r, e2; + do { + pixel(x0-x, y0+y,color); + pixel(x0+x, y0+y,color); + pixel(x0+x, y0-y,color); + pixel(x0-x, y0-y,color); + e2 = err; + if (e2 <= y) { + err += ++y*2+1; + if (-x == y && e2 <= x) e2 = 0; + } + if (e2 > x) err += ++x*2+1; + } while (x <= 0); + if(auto_up) copy_to_lcd(); +} +void GraphicsDisplay::fillcircle(int x0, int y0, int r, unsigned short color) +{ + bool old_auto_up=auto_up; + if(auto_up) auto_up=false; + int x = -r, y = 0, err = 2-2*r, e2; + do { + vline(x0-x, y0-y, y0+y, color); + vline(x0+x, y0-y, y0+y, color); + e2 = err; + if (e2 <= y) { + err += ++y*2+1; + if (-x == y && e2 <= x) e2 = 0; + } + if (e2 > x) err += ++x*2+1; + } while (x <= 0); + if(old_auto_up) + { + auto_up=true; + copy_to_lcd(); + } +} +void GraphicsDisplay::hline(int x0, int x1, int y, unsigned short color) +{ + int len = x1 - x0 + 1; + window(x0,y,len,1); + // for (int j=0; j 0) { + dx_sym = 1; + } else { + dx_sym = -1; + } + if (dy == 0) { /* horizontal line */ + if (x1 < x0) SWAP(x1,x0); + hline(x0,x1,y0,color); + return; + } + + if (dy > 0) { + dy_sym = 1; + } else { + dy_sym = -1; + } + + dx = dx_sym*dx; + dy = dy_sym*dy; + + dx_x2 = dx*2; + dy_x2 = dy*2; + + if (dx >= dy) { + di = dy_x2 - dx; + while (x0 != x1) { + + pixel(x0, y0, color); + x0 += dx_sym; + if (di<0) { + di += dy_x2; + } else { + di += dy_x2 - dx_x2; + y0 += dy_sym; + } + } + pixel(x0, y0, color); + } else { + di = dx_x2 - dy; + while (y0 != y1) { + pixel(x0, y0, color); + y0 += dy_sym; + if (di < 0) { + di += dx_x2; + } else { + di += dx_x2 - dy_x2; + x0 += dx_sym; + } + } + pixel(x0, y0, color); + } + if(auto_up) copy_to_lcd(); + return; +} +void GraphicsDisplay::rect(int x0, int y0, int x1, int y1, unsigned short color) +{ + bool old_auto_up=auto_up; + if(auto_up) auto_up=0; + if (x1 > x0) hline(x0,x1,y0,color); + else hline(x1,x0,y0,color); + + if (y1 > y0) vline(x0,y0,y1,color); + else vline(x0,y1,y0,color); + + if (x1 > x0) hline(x0,x1,y1,color); + else hline(x1,x0,y1,color); + + if (y1 > y0) vline(x1,y0,y1,color); + else vline(x1,y1,y0,color); + if(old_auto_up) + { + auto_up=true; + copy_to_lcd(); + } + return; +} +void GraphicsDisplay::fillrect(int x0, int y0, int x1, int y1, unsigned short color) +{ + if(x0 > x1) SWAP(x0,x1); + if(y0 > y1) SWAP(y0,y1); + + int h = y1 - y0 + 1; + int w = x1 - x0 + 1; + unsigned int pixels = h * w; + window(x0,y0,w,h); + // for (unsigned int p=0; p>3; //bytes per line, rounded up to multiple of 8 + fontoffset = (fonthor*fontbpl)+1; + firstch = firstascii; // first ascii code present in font array (usually 32) + lastch = lastascii; // last ascii code present in font array (usually 127) + fontprop = proportional; + set_font_zoom(1,1); +} +void GraphicsDisplay::set_font_zoom(unsigned char x_mul, unsigned char y_mul) +{ + fontzoomhor=((x_mul==0) ? 1:x_mul); + fontzoomver=((y_mul==0) ? 1:y_mul); +} +int GraphicsDisplay::_putc(int value) +{ + if (value == '\n') { // new line + char_x = 0; + char_y = char_y + fontvert*fontzoomver; + if (char_y >= oriented_height - fontvert*fontzoomver) { + char_y = 0; + } + } else { + character(char_x, char_y, value); + if(auto_up) copy_to_lcd(); + } + return value; +} +void GraphicsDisplay::character(int x, int y, int c) +{ + char_x=x; + char_y=y; + int j,i,b; + unsigned char* zeichen; + unsigned char z,w,v; + + /* // read font parameter from start of array + offset = font[0]; // bytes / char + hor = font[1]; // get hor size of font + vert = font[2]; // get vert size of font + bpl = font[3]; // bytes per line +*/ + if (char_x + fonthor*fontzoomhor > oriented_width) { + char_x = 0; + char_y = char_y + fontvert*fontzoomver; + if (char_y > oriented_height - fontvert*fontzoomver) { + char_y = 0; + } + } + window(char_x, char_y, fonthor*fontzoomhor, fontvert*fontzoomver); // char box + if ((c < firstch) || (c > lastch)) { // test char range - if not exist fill with blank + window_pushpixel(_background, fontzoomhor*fonthor*fontvert*fontzoomver); //(color, howmany) + w = fonthor; + } else { + zeichen = &font[((c-firstch) * fontoffset) + 4]; // start of char bitmap + w = zeichen[0]; // width of actual char + // construct the char into the buffer + for (j=0; j<(fontbpl); j++) { // vert bytes + for (v=0; v fontvert) + break; + b = 1 << p; + for (i=0; i= oriented_height) break; // no need to crop Y + for(h=0; h < bm.xSize; h++) { // pixel + if((h + x) >= oriented_width) break; + d = bm.data[bm.Byte_in_Line * v + ((h & 0xF8) >> 3)]; + b = 0x80 >> (h & 0x07); + if((d & b) == 0) { + window_pushpixel(_background); + } else { + window_pushpixel(_foreground); + } + } + } + if(auto_up) copy_to_lcd(); +} +void GraphicsDisplay::Bitmap(int x, int y, int w, int h,unsigned char *bitmap) +{ + int j; + unsigned char padd; + unsigned short *bitmap_ptr = (unsigned short *)bitmap; + + padd = w%2; // the lines are padded to multiple of 4 bytes in a bitmap + if(x<0) x=0; + else if(x>=oriented_width) return; + if(y<0) y=0; + else if(y>=oriented_height) return; + int cropX = (x+w)-oriented_width; + if(cropX<0) cropX=0; + int cropY = (y+h)-oriented_height; + if(cropY<0) cropY=0; + window(x, y, w-cropX, h-cropY); + bitmap_ptr += ((h - 1)* (w + padd)); // begin of last line in array (first line of image)(standard bmp scan direction is left->right bottom->top) + for (j = 0; j < h-cropY; j++) { //Lines + window_pushpixelbuf(bitmap_ptr, w-cropX); + bitmap_ptr -= w+padd; + } + if(auto_up) copy_to_lcd(); +} + +// local filesystem is not implemented in kinetis board , but you can add a SD card +// fixme this whole functions needs testing and speedup +int GraphicsDisplay::BMP_16(int x, int y, const char *Name_BMP) +{ + +#define OffsetPixelWidth 18 +#define OffsetPixelHeigh 22 +#define OffsetFileSize 34 +#define OffsetPixData 10 +#define OffsetBPP 28 + + char filename[50]; + unsigned char BMP_Header[54]; + unsigned short BPP_t; + unsigned int PixelWidth,PixelHeigh,start_data; + unsigned int i,off; + int padd,j; + unsigned short *line; + + // get the filename + i=0; + while (*Name_BMP!='\0') { + filename[i++]=*Name_BMP++; + } + filename[i] = 0; + + FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file + if (!Image) { + return(0); // error file not found ! + } + + fread(&BMP_Header[0],1,54,Image); // get the BMP Header + + if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte + fclose(Image); + return(-1); // error no BMP file + } + + BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8); + if (BPP_t != 0x0010) { + fclose(Image); + return(-2); // error no 16 bit BMP + } + + PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24); + PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24); + if (PixelHeigh > oriented_height + y || PixelWidth > oriented_width + x) { + fclose(Image); + return(-3); // to big + } + + start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24); + + line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line + if (line == NULL) { + return(-4); // error no memory + } + + // the bmp lines are padded to multiple of 4 bytes + padd = -1; + do { + padd ++; + } while ((PixelWidth * 2 + padd)%4 != 0); + + window(x, y,PixelWidth ,PixelHeigh); +// wr_cmd(0x2C); // send pixel + for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up + off = j * (PixelWidth * 2 + padd) + start_data; // start of line + fseek(Image, off ,SEEK_SET); + fread(line,1,PixelWidth * 2,Image); // read a line - slow + /* for (i = 0; i < PixelWidth; i++) + { // copy pixel data to TFT + // wr_16(line[i]); // one 16 bit pixel + window_pushpixel(line[i]); + + } */ + window_pushpixelbuf(line, PixelWidth); + } + free (line); + fclose(Image); + if(auto_up) copy_to_lcd(); + return(1); +} + +void GraphicsDisplay::cls (void) +{ + unsigned int pixels = ( oriented_width * oriented_height); + WindowMax(); + for (unsigned int i = 0; i < pixels; i++) + { + window_pushpixel(_background); + } +} +void GraphicsDisplay::set_auto_up(bool up) +{ + if(up) auto_up = true; + else auto_up = false; +} +bool GraphicsDisplay::get_auto_up(void) +{ + return (auto_up); +} + +