Exemplo n.º 1
0
	/**
	 * @brief   Scroll vertically a section of the screen.
	 * @note    Optional.
	 * @note    If x,y + cx,cy is off the screen, the result is undefined.
	 * @note    If lines is >= cy, it is equivelent to a area fill with bgcolor.
	 *
	 * @param[in] x, y     The start of the area to be scrolled
	 * @param[in] cx, cy   The size of the area to be scrolled
	 * @param[in] lines    The number of lines to scroll (Can be positive or negative)
	 * @param[in] bgcolor  The color to fill the newly exposed area.
	 *
	 * @notapi
	 */
	void GDISP_LLD(verticalscroll)(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {
		/* This is marked as "TODO: Test this" in the original GLCD driver.
		 * For now we just leave the GDISP_HARDWARE_SCROLL off.
		 */
		static color_t buf[((SCREEN_HEIGHT > SCREEN_WIDTH ) ? SCREEN_HEIGHT : SCREEN_WIDTH)];
		coord_t row0, row1;
		unsigned i, gap, abslines;

		abslines = lines < 0 ? -lines : lines;

		#if GDISP_NEED_VALIDATION
			if (cx < 1 || cy < 1 || x >= GDISP.Width || y >= GDISP.Height) return;
			if (x+cx > GDISP.Width)	cx = GDISP.Width - x;
			if (y+cy > GDISP.Height)	cy = GDISP.Height - y;
		#endif

		if (!abslines) return;
		if (abslines >= cy) {
			abslines = cy;
			gap = 0;
		} else {
			gap = cy - abslines;
			for(i = 0; i < gap; i++) {
				if(lines > 0) {
					row0 = y + i + lines;
					row1 = y + i;
				} else {
					row0 = (y - i - 1) + lines;
					row1 = (y - i - 1);
				}

				/* read row0 into the buffer and then write at row1*/
				lld_lcdSetViewPort(x, row0, cx, 1);
				lld_lcdReadStreamStart();
				lld_lcdReadStream(buf, cx);
				lld_lcdReadStreamStop();

				lld_lcdSetViewPort(x, row1, cx, 1);
				lld_lcdWriteStreamStart();
				lld_lcdWriteStream(buf, cx);
				lld_lcdWriteStreamStop();
			}
		}

		/* fill the remaining gap */
		lld_lcdSetViewPort(x, lines > 0 ? (y+gap) : y, cx, abslines);
		lld_lcdWriteStreamStart();
		gap = cx*abslines;
		for(i = 0; i < gap; i++) lld_lcdWriteData(bgcolor);
		lld_lcdWriteStreamStop();
		lld_lcdResetViewPort();
	}
Exemplo n.º 2
0
	/**
	 * @brief   Scroll vertically a section of the screen.
	 * @note    Optional.
	 * @note    If x,y + cx,cy is off the screen, the result is undefined.
	 * @note    If lines is >= cy, it is equivelent to a area fill with bgcolor.
	 *
	 * @param[in] x, y     The start of the area to be scrolled
	 * @param[in] cx, cy   The size of the area to be scrolled
	 * @param[in] lines    The number of lines to scroll (Can be positive or negative)
	 * @param[in] bgcolor  The color to fill the newly exposed area.
	 *
	 * @notapi
	 */
	void GDISP_LLD(verticalscroll)(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {
		static color_t buf[((SCREEN_HEIGHT > SCREEN_WIDTH ) ? SCREEN_HEIGHT : SCREEN_WIDTH)];
		coord_t row0, row1;
		unsigned i, gap, abslines;

		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
			if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
			if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
			if (!lines || cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
			if (x+cx > GDISP.clipx1)	cx = GDISP.clipx1 - x;
			if (y+cy > GDISP.clipy1)	cy = GDISP.clipy1 - y;
		#endif

		abslines = lines < 0 ? -lines : lines;

		if (abslines >= cy) {
			abslines = cy;
			gap = 0;
		} else {
			gap = cy - abslines;
			for(i = 0; i < gap; i++) {
				if(lines > 0) {
					row0 = y + i + lines;
					row1 = y + i;
				} else {
					row0 = (y - i - 1) + lines;
					row1 = (y - i - 1);
				}

				/* read row0 into the buffer and then write at row1*/
				lld_lcdSetViewPort(x, row0, cx, 1);
				lld_lcdReadStreamStart();
				lld_lcdReadStream(buf, cx);
				lld_lcdReadStreamStop();

				lld_lcdSetViewPort(x, row1, cx, 1);
				lld_lcdWriteStreamStart();
				lld_lcdWriteStream(buf, cx);
				lld_lcdWriteStreamStop();
			}
		}

		/* fill the remaining gap */
		lld_lcdSetViewPort(x, lines > 0 ? (y+gap) : y, cx, abslines);
		lld_lcdWriteStreamStart();
		gap = cx*abslines;
		for(i = 0; i < gap; i++) lld_lcdWriteData(bgcolor);
		lld_lcdWriteStreamStop();
		lld_lcdResetViewPort();
	}
Exemplo n.º 3
0
	/**
	 * @brief   Fill an area with a bitmap.
	 * @note    Optional - The high level driver can emulate using software.
	 *
	 * @param[in] x, y     The start filled area
	 * @param[in] cx, cy   The width and height to be filled
	 * @param[in] srcx, srcy   The bitmap position to start the fill from
	 * @param[in] srccx    The width of a line in the bitmap.
	 * @param[in] buffer   The pixels to use to fill the area.
	 *
	 * @notapi
	 */
	void GDISP_LLD(blitareaex)(coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx, coord_t srcy, coord_t srccx, const pixel_t *buffer) {
		coord_t endx, endy;
		unsigned lg;

		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
			if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; srcx += GDISP.clipx0 - x; x = GDISP.clipx0; }
			if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; srcy += GDISP.clipy0 - y; y = GDISP.clipy0; }
			if (srcx+cx > srccx)		cx = srccx - srcx;
			if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
			if (x+cx > GDISP.clipx1)	cx = GDISP.clipx1 - x;
			if (y+cy > GDISP.clipy1)	cy = GDISP.clipy1 - y;
		#endif

		lld_lcdSetViewPort(x, y, cx, cy);
		lld_lcdWriteStreamStart();

		endx = srcx + cx;
		endy = y + cy;
		lg = srccx - cx;
		buffer += srcx + srcy * srccx;
		for(; y < endy; y++, buffer += lg)
			for(x=srcx; x < endx; x++)
				lld_lcdWriteData(*buffer++);
		lld_lcdWriteStreamStop();
		lld_lcdResetViewPort();
	}
Exemplo n.º 4
0
	/**
	 * @brief   Clear the display.
	 * @note    Optional - The high level driver can emulate using software.
	 *
	 * @param[in] color    The color of the pixel
	 *
	 * @notapi
	 */
	void GDISP_LLD(clear)(color_t color) {
	    unsigned i;

	    lld_lcdSetCursor(0, 0);
	    lld_lcdWriteStreamStart();

	    for(i = 0; i < SCREEN_WIDTH * SCREEN_HEIGHT; i++)
	    	lld_lcdWriteData(color);

	    lld_lcdWriteStreamStop();
	}
Exemplo n.º 5
0
	void gdisp_lld_clear(color_t color) {
	    unsigned i;

	    lld_lcdSetCursor(0, 0);
	    lld_lcdWriteStreamStart();

	    for(i = 0; i < GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT; i++)
	    	lld_lcdWriteData(color);

	    lld_lcdWriteStreamStop();
	}
Exemplo n.º 6
0
	/**
	 * @brief   Get the color of a particular pixel.
	 * @note    Optional.
	 * @note    If x,y is off the screen, the result is undefined.
	 *
	 * @param[in] x, y     The start of the text
	 *
	 * @notapi
	 */
	color_t GDISP_LLD(getpixelcolor)(coord_t x, coord_t y) {
		color_t color;

		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
			if (x < 0 || x >= GDISP.Width || y < 0 || y >= GDISP.Height) return 0;
		#endif

		lld_lcdSetCursor(x, y);
		lld_lcdWriteStreamStart();

		color = lld_lcdReadData();
		color = lld_lcdReadData();

		lld_lcdWriteStreamStop();

		return color;
	}
Exemplo n.º 7
0
	/**
	 * @brief   Fill an area with a color.
	 * @note    Optional - The high level driver can emulate using software.
	 *
	 * @param[in] x, y     The start filled area
	 * @param[in] cx, cy   The width and height to be filled
	 * @param[in] color    The color of the fill
	 *
	 * @notapi
	 */
	void GDISP_LLD(fillarea)(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
			if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
			if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
			if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
			if (x+cx > GDISP.clipx1)	cx = GDISP.clipx1 - x;
			if (y+cy > GDISP.clipy1)	cy = GDISP.clipy1 - y;
		#endif

		unsigned i, area;

		area = cx*cy;
		lld_lcdSetViewPort(x, y, cx, cy);
		lld_lcdWriteStreamStart();
		for(i = 0; i < area; i++)
			lld_lcdWriteData(color);
		lld_lcdWriteStreamStop();
		lld_lcdResetViewPort();
	}
Exemplo n.º 8
0
	/**
	 * @brief   Get the color of a particular pixel.
	 * @note    Optional.
	 * @note    If x,y is off the screen, the result is undefined.
	 *
	 * @param[in] x, y     The start of the text
	 *
	 * @notapi
	 */
	color_t GDISP_LLD(getpixelcolor)(coord_t x, coord_t y) {
		/* This routine is marked "DO NOT USE" in the original
		 *  GLCD driver. We just keep our GDISP_HARDWARE_READPIXEL
		 *  turned off for now.
		 */
		color_t color;

		#if GDISP_NEED_VALIDATION
			if (x >= GDISP.Width || y >= GDISP.Height) return 0;
		#endif

		lld_lcdSetCursor(x, y);
		lld_lcdWriteStreamStart();

		color = lld_lcdReadData();
		color = lld_lcdReadData();

		lld_lcdWriteStreamStop();

		return color;
	}