97 lines
4.6 KiB
C++
97 lines
4.6 KiB
C++
/*****************************************************************************
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* *
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* V B E D E M O *
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* *
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*---------------------------------------------------------------------------*
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* Beschreibung: Demo zu VESA. *
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* *
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* Autor: Michael Schoettner, HHU, 26.12.2016 *
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*****************************************************************************/
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#include "user/VBEdemo.h"
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#include "devices/fonts/Fonts.h"
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#include "kernel/Globals.h"
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// Bitmap
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#include "bmp_hhu.cc"
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/*****************************************************************************
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* Methode: VBEdemo::linInterPol1D *
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*---------------------------------------------------------------------------*
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* Beschreibung: Farbwert in einer Dimension interpoliert berechnen. *
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*****************************************************************************/
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int VBEdemo::linInterPol1D(int x, int xr, int l, int r) {
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return ((((l >> 16) * (xr - x) + (r >> 16) * x) / xr) << 16) | (((((l >> 8) & 0xFF) * (xr - x) + ((r >> 8) & 0xFF) * x) / xr) << 8) | (((l & 0xFF) * (xr - x) + (r & 0xFF) * x) / xr);
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}
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/*****************************************************************************
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* Methode: VBEdemo::linInterPol2D *
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*---------------------------------------------------------------------------*
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* Beschreibung: Farbwert in zwei Dimensionen interpoliert berechnen. *
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*****************************************************************************/
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int VBEdemo::linInterPol2D(int x, int y, int lt, int rt, int lb, int rb) {
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return linInterPol1D(y, vesa.yres,
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linInterPol1D(x, vesa.xres, lt, rt),
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linInterPol1D(x, vesa.xres, lb, rb));
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}
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/*****************************************************************************
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* Methode: VBEdemo::drawColors *
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*---------------------------------------------------------------------------*
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* Beschreibung: Pixel-Demo. *
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*****************************************************************************/
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void VBEdemo::drawColors() {
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int x_res = 640;
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int y_res = 480;
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for (int y = 0; y < y_res; y++) {
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for (int x = 0; x < x_res; x++) {
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vesa.drawPixel(x, y, linInterPol2D(x, y, 0x0000FF, 0x00FF00, 0xFF0000, 0xFFFF00));
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}
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}
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}
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/*****************************************************************************
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* Methode: VBEdemo::drawBitmap *
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*---------------------------------------------------------------------------*
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* Beschreibung: Bitmap aus GIMP ausgeben. *
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*****************************************************************************/
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void VBEdemo::drawBitmap() {
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unsigned int sprite_height = hhu.height;
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unsigned int sprite_width = hhu.width;
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unsigned int sprite_bpp = hhu.bytes_per_pixel;
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unsigned char* sprite_pixel = (unsigned char*)hhu.pixel_data;
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/* Hier muss Code eingefuegt werden */
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}
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/*****************************************************************************
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* Methode: VBEdemo::drawFonts *
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*---------------------------------------------------------------------------*
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* Beschreibung: Fonts ausgeben. *
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*****************************************************************************/
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void VBEdemo::drawFonts() {
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/* Hier muss Code eingefuegt werden */
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}
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/*****************************************************************************
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* Methode: VBEdemo::run *
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*---------------------------------------------------------------------------*
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* Beschreibung: Der Anwendungsthread erzeugt drei Threads die Zaehler *
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* ausgeben und terminiert sich selbst. *
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*****************************************************************************/
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void VBEdemo::run() {
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// In den Grafikmodus schalten (32-Bit Farbtiefe)
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vesa.initGraphicMode(MODE_640_480_24BITS);
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vesa.setDrawingBuff(BUFFER_VISIBLE);
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drawColors();
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/* Hier muss Code eingefuegt werden */
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// selbst terminieren
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scheduler.exit();
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}
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