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Added conversion to GEOS icon format (which is actually identical to the VIC2

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high-res sprite format).


git-svn-id: svn://svn.cc65.org/cc65/trunk@5612 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz 2012-03-11 22:43:44 +00:00
parent dfc0690e0b
commit 422629ff91
6 changed files with 195 additions and 3 deletions
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10
doc/sp65.sgml
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@ -143,10 +143,16 @@ attribute lists see <ref id="attr-lists" name="below">.
<sect>Conversions<label id="conversions"><p> <sect>Conversions<label id="conversions"><p>
<sect1>VIC2 sprites<p> <sect1>GEOS icon<p>
<sect1>Koala images<p> <sect1>Koala image<p>
<sect1>Lynx sprite<p>
<sect1>VIC2 sprite<p>

2
src/sp65/convert.c
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@ -39,6 +39,7 @@
#include "attr.h" #include "attr.h"
#include "convert.h" #include "convert.h"
#include "error.h" #include "error.h"
#include "geosicon.h"
#include "koala.h" #include "koala.h"
#include "lynxsprite.h" #include "lynxsprite.h"
#include "vic2sprite.h" #include "vic2sprite.h"
@ -60,6 +61,7 @@ struct ConverterMapEntry {
/* Converter table, alphabetically sorted */ /* Converter table, alphabetically sorted */
static const ConverterMapEntry ConverterMap[] = { static const ConverterMapEntry ConverterMap[] = {
{ "geos-icon", GenGeosIcon },
{ "koala", GenKoala }, { "koala", GenKoala },
{ "lynx-sprite", GenLynxSprite }, { "lynx-sprite", GenLynxSprite },
{ "vic2-sprite", GenVic2Sprite }, { "vic2-sprite", GenVic2Sprite },

113
src/sp65/geosicon.c Normal file
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@ -0,0 +1,113 @@
/*****************************************************************************/
/* */
/* geosicon.c */
/* */
/* GEOS icon format backend for the sp65 sprite and bitmap utility */
/* */
/* */
/* */
/* (C) 2012, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
/* common */
#include "attrib.h"
#include "print.h"
/* sp65 */
#include "attr.h"
#include "error.h"
#include "geosicon.h"
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* Screen size of geos icon */
#define WIDTH 24U
#define HEIGHT 21U
/*****************************************************************************/
/* Code */
/*****************************************************************************/
StrBuf* GenGeosIcon (const Bitmap* B, const Collection* A attribute ((unused)))
/* Generate binary output in GEOS icon format for the bitmap B. The output
* is stored in a string buffer (which is actually a dynamic char array) and
* returned.
*/
{
StrBuf* D;
unsigned X, Y;
/* Output the image properties */
Print (stdout, 1, "Image is %ux%u with %u colors%s\n",
GetBitmapWidth (B), GetBitmapHeight (B), GetBitmapColors (B),
BitmapIsIndexed (B)? " (indexed)" : "");
/* Check the bitmap properties */
if (!BitmapIsIndexed (B) ||
GetBitmapHeight (B) != HEIGHT ||
GetBitmapWidth (B) != WIDTH ||
GetBitmapColors (B) > 2) {
Error ("Invalid bitmap properties for conversion to GEOS icon");
}
/* Create the output buffer and resize it to the required size. */
D = NewStrBuf ();
SB_Realloc (D, 63);
/* Convert the image */
for (Y = 0; Y < HEIGHT; ++Y) {
unsigned char V = 0;
for (X = 0; X < WIDTH; ++X) {
/* Fetch next bit into byte buffer */
V = (V << 1) | (GetPixel (B, X, Y).Index & 0x01);
/* Store full bytes into the output buffer */
if ((X & 0x07) == 0x07) {
SB_AppendChar (D, V);
V = 0;
}
}
}
/* Return the converted bitmap */
return D;
}

69
src/sp65/geosicon.h Normal file
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@ -0,0 +1,69 @@
/*****************************************************************************/
/* */
/* geosicon.h */
/* */
/* GEOS icon format backend for the sp65 sprite and bitmap utility */
/* */
/* */
/* */
/* (C) 2012, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef GEOSICON_H
#define GEOSICON_H
/* common */
#include "coll.h"
#include "strbuf.h"
/* sp65 */
#include "bitmap.h"
/*****************************************************************************/
/* Code */
/*****************************************************************************/
StrBuf* GenGeosIcon (const Bitmap* B, const Collection* A);
/* Generate binary output in GEOS icon format for the bitmap B. The output
* is stored in a string buffer (which is actually a dynamic char array) and
* returned.
*/
/* End of geosicon.h */
#endif

1
src/sp65/make/gcc.mak
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@ -31,6 +31,7 @@ OBJS = asm.o \
convert.o \ convert.o \
error.o \ error.o \
fileio.o \ fileio.o \
geosicon.o \
input.o \ input.o \
koala.o \ koala.o \
lynxsprite.o \ lynxsprite.o \

1
src/sp65/make/watcom.mak
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@ -69,6 +69,7 @@ OBJS = asm.obj \
convert.obj \ convert.obj \
error.obj \ error.obj \
fileio.obj \ fileio.obj \
geosicon.obj \
input.obj \ input.obj \
koala.obj \ koala.obj \
lynxsprite.obj \ lynxsprite.obj \