EmbeddedArtists AB / Mbed 2 deprecated lpc4088_ebb_gui_cube

Graphical demo for the LPC4088 Experiment Base Board with one of the Display Expansion Kits. This demo shows a rotating 3D cube with and without textures.

Dependencies:   EALib mbed

CubeDemo.h@0:c828045bbe69, 2014-10-03 (annotated)

Committer:
embeddedartists
Date:
Fri Oct 03 12:48:37 2014 +0000
Revision:
0:c828045bbe69
First version.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 0:c828045bbe69 1
embeddedartists 0:c828045bbe69 2 #ifndef CUBEDEMO_H
embeddedartists 0:c828045bbe69 3 #define CUBEDEMO_H
embeddedartists 0:c828045bbe69 4
embeddedartists 0:c828045bbe69 5 #include "Graphics.h"
embeddedartists 0:c828045bbe69 6 #include "GFXFb.h"
embeddedartists 0:c828045bbe69 7
embeddedartists 0:c828045bbe69 8 #include "EaLcdBoardGPIO.h"
embeddedartists 0:c828045bbe69 9
embeddedartists 0:c828045bbe69 10 class CubeDemo {
embeddedartists 0:c828045bbe69 11 public:
embeddedartists 0:c828045bbe69 12
embeddedartists 0:c828045bbe69 13 /** Set the address of the frame buffer to use.
embeddedartists 0:c828045bbe69 14 *
embeddedartists 0:c828045bbe69 15 * It is the content of the frame buffer that is shown on the
embeddedartists 0:c828045bbe69 16 * display. All the drawing on the frame buffer can be done
embeddedartists 0:c828045bbe69 17 * 'offline' and whenever it should be shown this function
embeddedartists 0:c828045bbe69 18 * can be called with the address of the offline frame buffer.
embeddedartists 0:c828045bbe69 19 *
embeddedartists 0:c828045bbe69 20 * @param pFrameBuf Pointer to the frame buffer, which must be
embeddedartists 0:c828045bbe69 21 * 3 times as big as the frame size (for tripple
embeddedartists 0:c828045bbe69 22 * buffering).
embeddedartists 0:c828045bbe69 23 * dispWidth The width of the display (in pixels).
embeddedartists 0:c828045bbe69 24 * dispHeight The height of the display (in pixels).
embeddedartists 0:c828045bbe69 25 * loops Number of loops in the demo code.
embeddedartists 0:c828045bbe69 26 * delayMs Delay in milliseconds between schreen updates.
embeddedartists 0:c828045bbe69 27 *
embeddedartists 0:c828045bbe69 28 * @returns
embeddedartists 0:c828045bbe69 29 * none
embeddedartists 0:c828045bbe69 30 */
embeddedartists 0:c828045bbe69 31 CubeDemo(uint8_t *pFrameBuf, uint16_t dispWidth, uint16_t dispHeight);
embeddedartists 0:c828045bbe69 32 ~CubeDemo();
embeddedartists 0:c828045bbe69 33
embeddedartists 0:c828045bbe69 34 void run(EaLcdBoardGPIO& lcdBoard, uint32_t loops, uint32_t delayMs);
embeddedartists 0:c828045bbe69 35
embeddedartists 0:c828045bbe69 36
embeddedartists 0:c828045bbe69 37 private:
embeddedartists 0:c828045bbe69 38 enum Constants {
embeddedartists 0:c828045bbe69 39 BACKGROUND_COLOR = BLACK,
embeddedartists 0:c828045bbe69 40 SMALL_CIRCLE_FRONT_COLOR = WHITE,
embeddedartists 0:c828045bbe69 41
embeddedartists 0:c828045bbe69 42 LENS = 256,
embeddedartists 0:c828045bbe69 43 X_OFFSET = 240, //120,
embeddedartists 0:c828045bbe69 44 Y_OFFSET = 130
embeddedartists 0:c828045bbe69 45 };
embeddedartists 0:c828045bbe69 46
embeddedartists 0:c828045bbe69 47 typedef struct
embeddedartists 0:c828045bbe69 48 {
embeddedartists 0:c828045bbe69 49 uint32_t w;
embeddedartists 0:c828045bbe69 50 uint32_t h;
embeddedartists 0:c828045bbe69 51 void *pixels;
embeddedartists 0:c828045bbe69 52 } Surface_t;
embeddedartists 0:c828045bbe69 53
embeddedartists 0:c828045bbe69 54 typedef struct
embeddedartists 0:c828045bbe69 55 {
embeddedartists 0:c828045bbe69 56 int x;
embeddedartists 0:c828045bbe69 57 int y;
embeddedartists 0:c828045bbe69 58 } Coord2D_t;
embeddedartists 0:c828045bbe69 59
embeddedartists 0:c828045bbe69 60 typedef struct
embeddedartists 0:c828045bbe69 61 {
embeddedartists 0:c828045bbe69 62 int32_t x; //normal 3d coords
embeddedartists 0:c828045bbe69 63 int32_t y;
embeddedartists 0:c828045bbe69 64 int32_t z;
embeddedartists 0:c828045bbe69 65 int32_t xr; //rotated coords
embeddedartists 0:c828045bbe69 66 int32_t yr;
embeddedartists 0:c828045bbe69 67 int32_t zr;
embeddedartists 0:c828045bbe69 68 int32_t scrx; //translated and projected 3d points
embeddedartists 0:c828045bbe69 69 int32_t scry;
embeddedartists 0:c828045bbe69 70 } tPoint3d;
embeddedartists 0:c828045bbe69 71
embeddedartists 0:c828045bbe69 72 typedef struct
embeddedartists 0:c828045bbe69 73 {
embeddedartists 0:c828045bbe69 74 int32_t p1; //vertex
embeddedartists 0:c828045bbe69 75 int32_t p2;
embeddedartists 0:c828045bbe69 76 int32_t p3;
embeddedartists 0:c828045bbe69 77 int32_t u1; //texture coords
embeddedartists 0:c828045bbe69 78 int32_t v1;
embeddedartists 0:c828045bbe69 79 int32_t u2;
embeddedartists 0:c828045bbe69 80 int32_t v2;
embeddedartists 0:c828045bbe69 81 int32_t u3;
embeddedartists 0:c828045bbe69 82 int32_t v3;
embeddedartists 0:c828045bbe69 83 } tPoly;
embeddedartists 0:c828045bbe69 84
embeddedartists 0:c828045bbe69 85 typedef struct
embeddedartists 0:c828045bbe69 86 {
embeddedartists 0:c828045bbe69 87 int32_t x;
embeddedartists 0:c828045bbe69 88 int32_t y;
embeddedartists 0:c828045bbe69 89 int32_t z;
embeddedartists 0:c828045bbe69 90 } tVector;
embeddedartists 0:c828045bbe69 91
embeddedartists 0:c828045bbe69 92 int32_t windowX;
embeddedartists 0:c828045bbe69 93 int32_t windowY;
embeddedartists 0:c828045bbe69 94 uint16_t *pFrmBuf;
embeddedartists 0:c828045bbe69 95 uint16_t *pFrmBuf1;
embeddedartists 0:c828045bbe69 96 uint16_t *pFrmBuf2;
embeddedartists 0:c828045bbe69 97 uint16_t *pFrmBuf3;
embeddedartists 0:c828045bbe69 98
embeddedartists 0:c828045bbe69 99 Graphics graphics;
embeddedartists 0:c828045bbe69 100
embeddedartists 0:c828045bbe69 101 Surface_t sourcePicture1;
embeddedartists 0:c828045bbe69 102 Surface_t sourcePicture2;
embeddedartists 0:c828045bbe69 103 Surface_t activeFrame;
embeddedartists 0:c828045bbe69 104
embeddedartists 0:c828045bbe69 105 int32_t rx;
embeddedartists 0:c828045bbe69 106 int32_t ry;
embeddedartists 0:c828045bbe69 107 int32_t rx_;
embeddedartists 0:c828045bbe69 108 int32_t ry_;
embeddedartists 0:c828045bbe69 109 uint8_t mode;
embeddedartists 0:c828045bbe69 110
embeddedartists 0:c828045bbe69 111 tPoint3d cubeModel[8];
embeddedartists 0:c828045bbe69 112 tPoly cubePoly[12];
embeddedartists 0:c828045bbe69 113
embeddedartists 0:c828045bbe69 114 uint32_t camX;
embeddedartists 0:c828045bbe69 115 uint32_t camY;
embeddedartists 0:c828045bbe69 116 uint32_t camZ;
embeddedartists 0:c828045bbe69 117
embeddedartists 0:c828045bbe69 118 void plot4points( int32_t cx, int32_t cy, int32_t x, int32_t y, int16_t color, int32_t Filled );
embeddedartists 0:c828045bbe69 119 void plot8points( int32_t cx, int32_t cy, int32_t x, int32_t y, int16_t color, int32_t Filled );
embeddedartists 0:c828045bbe69 120 void put_circle( int32_t cx, int32_t cy, int16_t color, int32_t radius, int32_t Filled );
embeddedartists 0:c828045bbe69 121 int32_t swim_abs(int32_t v1);
embeddedartists 0:c828045bbe69 122 void put_line(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int16_t color);
embeddedartists 0:c828045bbe69 123
embeddedartists 0:c828045bbe69 124 int32_t sgn(int32_t val) const;
embeddedartists 0:c828045bbe69 125 short icosine(short x) const;
embeddedartists 0:c828045bbe69 126 short isine(short x) const;
embeddedartists 0:c828045bbe69 127 short _cos(short y) const;
embeddedartists 0:c828045bbe69 128 short _sin(short y) const;
embeddedartists 0:c828045bbe69 129
embeddedartists 0:c828045bbe69 130 void TriangleProjectFast(Surface_t *SrcRP_p, Surface_t *DstRP_p, Coord2D_t *SrcCoords_p, Coord2D_t *DstCoords_p);
embeddedartists 0:c828045bbe69 131 void CpPixel16Fast(int xSrc, int ySrc, int x, int y, Surface_t *SrcRP_p, Surface_t *DstRP_p);
embeddedartists 0:c828045bbe69 132
embeddedartists 0:c828045bbe69 133 void drawCubeZ(Surface_t *pSourcePicture, uint8_t shades);
embeddedartists 0:c828045bbe69 134 void rotateAndProject(uint16_t rotX, uint16_t rotY, uint16_t rotZ);
embeddedartists 0:c828045bbe69 135 void createCubeModel(uint32_t radius);
embeddedartists 0:c828045bbe69 136
embeddedartists 0:c828045bbe69 137 unsigned decodePNG(const unsigned char* pIn, size_t insize, Surface_t* pOut);
embeddedartists 0:c828045bbe69 138
embeddedartists 0:c828045bbe69 139
embeddedartists 0:c828045bbe69 140 void initialize();
embeddedartists 0:c828045bbe69 141 void render(uint32_t idx);
embeddedartists 0:c828045bbe69 142 };
embeddedartists 0:c828045bbe69 143
embeddedartists 0:c828045bbe69 144
embeddedartists 0:c828045bbe69 145 #endif /* CUBEDEMO_H */
embeddedartists 0:c828045bbe69 146