Adding bitblit functions
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1311 42af7a65-404d-4744-a932-0658087f49c3
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78
graphics/nxglib/Makefile.sources
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78
graphics/nxglib/Makefile.sources
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############################################################################
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# graphics/nxglib/Makefile.sources
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#
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# Copyright (C) 2008 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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||||||
|
# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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-include $(TOPDIR)/.config
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-include $(TOPDIR)/Make.defs
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ifeq ($(NXGLIB_BITSPERPIXEL),1)
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NXGLIB_SUFFIX := _1bpp
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endif
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ifeq ($(NXGLIB_BITSPERPIXEL),2)
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NXGLIB_SUFFIX := _2bpp
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endif
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ifeq ($(NXGLIB_BITSPERPIXEL),4)
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NXGLIB_SUFFIX := _4bpp
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endif
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ifeq ($(NXGLIB_BITSPERPIXEL),8)
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NXGLIB_SUFFIX := _8bpp
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endif
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ifeq ($(NXGLIB_BITSPERPIXEL),16)
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NXGLIB_SUFFIX := _16bpp
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endif
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ifeq ($(NXGLIB_BITSPERPIXEL),2)
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NXGLIB_SUFFIX := _32bpp
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endif
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ifeq ($(NXGLIB_BITSPERPIXEL),2)
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NXGLIB_SUFFIX := _64bpp
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endif
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CPPFLAGS += -DNXGLIB_BITSPERPIXEL=$(NXGLIB_BITSPERPIXEL)
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CPPFLAGS += -DNXGLIB_SUFFIX=$(NXGLIB_SUFFIX)
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FILL_CSRC = nxglib_fillrectangle$(NXGLIB_SUFFIX).c
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GEN_CSRCS = $(FILL_CSRC)
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all: $(GEN_CSRCS)
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.PHONY : clean distclean $(GEN_CSRCS)
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$(FILL_CSRC) : nxglib_fillrectangle.c nxglib_bitblit.h
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$(call PREPROCESS, $<, $@)
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clean:
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@rm -f *~ .*.swp
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distclean: clean
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@rm -f nxglib_fillrectangle_*bpp.c
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210
graphics/nxglib/nxglib_bitblit.h
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210
graphics/nxglib/nxglib_bitblit.h
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/****************************************************************************
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* graphics/nxglib/nxglib_bitblit.h
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in
|
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|
* the documentation and/or other materials provided with the
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|
* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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|
* used to endorse or promote products derived from this software
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* without specific prior written permission.
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|
*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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||||||
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
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|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||||
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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||||||
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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||||||
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __GRAPHICS_NXGLIB_NXGLIB_BITBLIT_H
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#define __GRAPHICS_NXGLIB_NXGLIB_BITBLIT_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <nuttx/nxglib.h>
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* Make sure the the bits-per-pixel value has been set by the includer of
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* this header file.
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*/
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#ifndef NXGLIB_BITSPERPIXEL
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# error "NXGLIB_BITSPERPIXEL must be defined before including this header file"
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#endif
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/* Set up bit blit macros for this BPP */
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#if NXGLIB_BITSPERPIXEL == 1
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# define NX_PIXELSHIFT 3
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# define NX_PIXELMASK 7
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# define NX_MULTIPIXEL(p) ((p) ? 0xff | 0x00)
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# define NX_PIXEL_T ubyte
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#elif NXGLIB_BITSPERPIXEL == 2
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# define NX_PIXELSHIFT 2
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# define NX_PIXELMASK 3
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# define NX_MULTIPIXEL(p) ((ubyte)(p) << 6 | (ubyte)(p) << 4 | (ubyte)(p) << 2 | (p))
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# define NX_PIXEL_T ubyte
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#elif NXGLIB_BITSPERPIXEL == 4
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# define NX_PIXELSHIFT 1
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# define NX_PIXELMASK 1
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# define NX_MULTIPIXEL(p) ((ubyte)(p) << 4 | (p))
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# define NX_PIXEL_T ubyte
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#elif NXGLIB_BITSPERPIXEL == 8
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# define NX_SCALEX(x) (x)
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# define NX_PIXEL_T ubyte
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#elif NXGLIB_BITSPERPIXEL == 16
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# define NX_SCALEX(x) ((x) << 1)
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# define NX_PIXEL_T uint16
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#elif NXGLIB_BITSPERPIXEL == 24
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# define NX_SCALEX(x) (((x) << 1) + (x))
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# define NX_PIXEL_T uint32
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#elif NXGLIB_BITSPERPIXEL == 32
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# define NX_SCALEX(x) ((x) << 2)
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# define NX_PIXEL_T uint32
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#endif
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#if NXGLIB_BITSPERPIXEL < 8
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# define NX_SCALEX(x) ((x) >> NX_PIXELSHIFT)
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# define NX_REMAINDERX(x) ((x) & NX_PIXELMASK)
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# define NX_ALIGNDOWN(x) ((x) & ~NX_PIXELMASK)
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# define NX_ALIGNUP(x) (((x) + NX_PIXELMASK) & ~NX_PIXELMASK)
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# ifdef CONFIG_NX_PACKEDMSFIRST
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# define NX_MASKEDSRC1(s,r) ((s) & (((ubyte)0xff) >> (8 - ((r) << pixelshift))))
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# define NX_MASKEDVALUE1(s,r) ((s) & (((ubyte)0xff) << ((r) << NX_PIXELSHFIT)))
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# define NX_MASKEDSRC2(s,r) ((s) & (((ubyte)0xff) >> ((r) << pixelshift)))
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# define NX_MASKEDVALUE2(s,r) ((s) & (((ubyte)0xff) << (8 - ((r) << NX_PIXELSHFIT))))
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# else
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# define NX_MASKEDSRC1(s,r) ((s) & (((ubyte)0xff) >> ((r) << pixelshift)))
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# define NX_MASKEDVALUE1(s,r) ((s) & (((ubyte)0xff) << (8 - ((r) << NX_PIXELSHFIT))))
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# define NX_MASKEDSRC2(s,r) ((s) & (((ubyte)0xff) >> (8 - ((r) << pixelshift))))
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# define NX_MASKEDVALUE2(s,r) ((s) & (((ubyte)0xff) << ((r) << NX_PIXELSHFIT)))
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# endif
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# define NXGL_MEMSET(dest,value,width) \
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{ \
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FAR uybte *_ptr = (FAR ubyte*)dest; \
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int nbytes = NX_SCALEX(width)); \
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while (nbytes--) \
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{ \
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*_ptr++ = value; \
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} \
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}
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# define NXGL_MEMCPY(dest,src,width) \
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{ \
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FAR ubyte *_dptr = (FAR ubyte*)dest; \
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FAR ubyte *_sptr = (FAR ubyte*)src; \
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int nbytes = NX_SCALEX(width)); \
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while (npixels--) \
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{ \
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*_dptr++ = *_sptr++; \
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} \
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}
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#elif NXGLIB_BITSPERPIXEL == 24
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# define NXGL_MEMSET(dest,value,width) \
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{ \
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FAR uybte *_ptr = (FAR ubyte*)dest; \
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while (width--) \
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{ \
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*_ptr++ = value; \
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*_ptr++ = value >> 8; \
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*_ptr++ = value >> 16; \
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} \
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}
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# define NXGL_MEMCPY(dest,src,width) \
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{ \
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FAR ubyte *_dptr = (FAR ubyte*)dest; \
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FAR ubyte *_sptr = (FAR ubyte*)src; \
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while (width--) \
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{ \
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*_dptr++ = *_sptr++; \
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*_dptr++ = *_sptr++; \
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*_dptr++ = *_sptr++; \
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} \
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}
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#else
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# define NXGL_MEMSET(dest,value,width) \
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{ \
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FAR nx_pixel_t *_ptr = (FAR ubyte*)dest; \
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while (width--) \
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{ \
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*_ptr++ = value; \
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} \
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}
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# define NXGL_MEMCPY(dest,src,width) \
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{ \
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FAR nx_pixel_t *_dptr = (FAR ubyte*)dest; \
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FAR nx_pixel_t *_sptr = (FAR ubyte*)src; \
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while (width--) \
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{ \
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*_dptr++ = *_sptr++; \
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} \
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}
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __GRAPHICS_NXGLIB_NXGLIB_BITBLIT_H */
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115
graphics/nxglib/nxglib_fillrectangle.c
Normal file
115
graphics/nxglib/nxglib_fillrectangle.c
Normal file
@ -0,0 +1,115 @@
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/****************************************************************************
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* graphics/nxglib/nxglib_fillrectangle.c
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
|
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|
*
|
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|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in
|
||||||
|
* the documentation and/or other materials provided with the
|
||||||
|
* distribution.
|
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|
* 3. Neither the name NuttX nor the names of its contributors may be
|
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|
* used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
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|
*
|
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|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||||
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
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|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||||
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||||
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||||
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||||
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||||
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
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|
* POSSIBILITY OF SUCH DAMAGE.
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|
*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <nuttx/fb.h>
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#include <nuttx/nxglib.h>
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#include "nxglib_bitblit.h"
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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#ifndef NXGLIB_SUFFIX
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# error "NXGLIB_SUFFIX must be defined before including this header file"
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#endif
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/****************************************************************************
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||||||
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* Private Types
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||||||
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****************************************************************************/
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/****************************************************************************
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* Private Data
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||||||
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****************************************************************************/
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/****************************************************************************
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||||||
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* Public Data
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||||||
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****************************************************************************/
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/****************************************************************************
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||||||
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxgl_fillrectangle*
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|
*
|
||||||
|
* Descripton:
|
||||||
|
* Fill a rectangle region in the framebuffer memory with a fixed color
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void nxgl_fillrectangle##NXGLIB_SUFFIX
|
||||||
|
(
|
||||||
|
FAR struct fb_planeinfo_s *pinfo,
|
||||||
|
FAR const struct nxgl_rect_s *rect, NX_PIXEL_T color
|
||||||
|
)
|
||||||
|
{
|
||||||
|
ubyte *line;
|
||||||
|
unsigned int width;
|
||||||
|
unsigned int stride;
|
||||||
|
unsigned int rows;
|
||||||
|
|
||||||
|
/* Get the width of the framebuffer in bytes */
|
||||||
|
|
||||||
|
stride = pinfo->stride;
|
||||||
|
|
||||||
|
/* Get the dimensions of the rectange to fill in pixels */
|
||||||
|
|
||||||
|
width = rect.pt2.x - rect.pt1.x;
|
||||||
|
rows = rect.pt2.y - rect.pt1.y;
|
||||||
|
|
||||||
|
/* Get the address of the first byte in the first line to write */
|
||||||
|
|
||||||
|
line = pinfo->fbmem + rect.pt1.y * stride + NX_SCALEX(rect.pt1.x);
|
||||||
|
|
||||||
|
/* Then fill the rectangle line-by-line */
|
||||||
|
|
||||||
|
while (rows--)
|
||||||
|
{
|
||||||
|
NXGL_MEMSET(line, color, width);
|
||||||
|
line += stride;
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -47,6 +47,35 @@
|
|||||||
* Public Types
|
* Public Types
|
||||||
****************************************************************************/
|
****************************************************************************/
|
||||||
|
|
||||||
|
/* Graphics structures ******************************************************/
|
||||||
|
|
||||||
|
/* A given coordinate is limited to the screen height an width. If either
|
||||||
|
* of those values exceed 32,767 pixels, then the following will have to need
|
||||||
|
* to change:
|
||||||
|
*/
|
||||||
|
|
||||||
|
typedef sint16 nxgl_coord_t;
|
||||||
|
|
||||||
|
/* Describes a point on the display */
|
||||||
|
|
||||||
|
struct nxgl_point_s
|
||||||
|
{
|
||||||
|
nxgl_coord_t x; /* Range: 0 to screen width - 1 */
|
||||||
|
nxgl_coord_t y; /* Rnage: 0 to screen height - 1*/
|
||||||
|
};
|
||||||
|
|
||||||
|
/* Describes a rectangle on the display */
|
||||||
|
|
||||||
|
struct nxgl_rect_s
|
||||||
|
{
|
||||||
|
struct nxgl_point_t pt1; /* Upper, left-hand corner */
|
||||||
|
struct nxgl_point_t pt2; /* Lower, right-hand corner */
|
||||||
|
};
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Data
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
#undef EXTERN
|
#undef EXTERN
|
||||||
#if defined(__cplusplus)
|
#if defined(__cplusplus)
|
||||||
# define EXTERN extern "C"
|
# define EXTERN extern "C"
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user