Some clean-up and comments. Removed HQ4X code (unused).

This commit is contained in:
William Kendrick 2005-01-14 08:08:49 +00:00
parent 5d64db32f0
commit 42955c8599
9 changed files with 22 additions and 9563 deletions

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@ -6,7 +6,7 @@
# bill@newbreedsoftware.com
# http://www.newbreedsoftware.com/tuxpaint/
# June 14, 2002 - January 6, 2005
# June 14, 2002 - January 14, 2005
# Where to install things:
@ -79,11 +79,6 @@ CURSOR_SHAPES=LARGE
# CURSOR_SHAPES=SMALL
# Don't build with hqxx code yet...
# HQXX_O = obj/hqxx.o obj/hq4x.o
# HQXX_H = src/hqxx.h src/hq4x.h
# Libraries, paths, and flags:
SDL_LIBS=$(shell sdl-config --libs) -lSDL_image -lSDL_ttf $(SDL_MIXER_LIB)
@ -779,19 +774,6 @@ obj/BeOS_Print.o: src/BeOS_Print.cpp obj src/BeOS_print.h
-c src/BeOS_print.cpp -o obj/BeOS_print.o
obj/hq4x.o: src/hq4x.c src/hq4x.h src/hqxx.h
@echo
@echo "...Compiling high quality 4x scale filter..."
@$(CC) $(CFLAGS) $(SDL_CFLAGS) \
-c src/hq4x.c -o obj/hq4x.o
obj/hqxx.o: src/hqxx.c src/hqxx.h
@echo
@echo "...Compiling high quality scale filter helpers..."
@$(CC) $(CFLAGS) $(SDL_CFLAGS) \
-c src/hqxx.c -o obj/hqxx.o
# Build the translation files for gettext
translations: trans \

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@ -180,6 +180,8 @@ http://www.newbreedsoftware.com/tuxpaint/
Albert Cahalan <albert@users.sf.net>
Bill Kendrick <bill@newbreedsoftware.com>
* Gave up on 'HQ4X' scaler, for the time being. (Removed unused code.)
* Documentation updates:
----------------------
* Removed TODO.txt file and moved all bugs

3797
src/hq3x.c

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@ -1 +0,0 @@
void hq3x_32( unsigned char * pIn, unsigned char * pOut, int Xres, int Yres, int BpL, int LUT16to32[65536], int RGBtoYUV[65536] );

5269
src/hq4x.c

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@ -1,9 +0,0 @@
#ifndef HQ4X_H
#define HQ4X_H
#include "SDL.h"
void hq4x_32(SDL_Surface * src, SDL_Surface * dest,
Uint32 RGBtoYUV[65536]);
#endif

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@ -1,336 +0,0 @@
/*
hqNx filter look-up table init and helper functions
Copyright (C) 2003 MaxSt <maxst@hiend3d.com>
Library-ified by Bill Kendrick <bill@newbreedsoftware.com>
Based on "hq3x_src_c.zip" dated August 5, 2003
from: http://www.hiend3d.com/hq3x.html
December 20, 2003 - December 23, 2003
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdlib.h>
#include "SDL.h"
#include "hqxx.h"
Uint16 hqxx_getpixel(SDL_Surface * surface, int x, int y, Uint8 * alpha)
{
int bpp;
Uint8 * p;
Uint32 pixel;
Uint8 r, g, b;
Uint16 pixel16;
pixel = 0;
/* Assuming the X/Y values are within the bounds of this surface... */
if (x >= 0 && y >= 0 && x < surface -> w && y < surface -> h)
{
/* SDL_LockSurface(surface); */
/* Determine bytes-per-pixel for the surface in question: */
bpp = surface->format->BytesPerPixel;
/* Set a pointer to the exact location in memory of the pixel
in question: */
p = (Uint8 *) (((Uint8 *)surface->pixels) + /* Start at top of RAM */
(y * surface->pitch) + /* Go down Y lines */
(x * bpp)); /* Go in X pixels */
/* Return the correctly-sized piece of data containing the
* pixel's value (an 8-bit palette value, or a 16-, 24- or 32-bit
* RGB value) */
if (bpp == 1) /* 8-bit display */
pixel = *p;
else if (bpp == 2) /* 16-bit display */
pixel = *(Uint16 *)p;
else if (bpp == 3) /* 24-bit display */
{
/* Depending on the byte-order, it could be stored RGB or BGR! */
if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
pixel = p[0] << 16 | p[1] << 8 | p[2];
else
pixel = p[0] | p[1] << 8 | p[2] << 16;
}
else if (bpp == 4) /* 32-bit display */
pixel = *(Uint32 *)p;
/* SDL_UnlockSurface(surface); */
}
if (alpha == NULL)
SDL_GetRGB(pixel, surface->format, &r, &g, &b);
else
SDL_GetRGBA(pixel, surface->format, &r, &g, &b, alpha);
/* (Perhaps reducing the number of colors by chopping off the bottoms of
R, G and B will help?) */
pixel16 = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
return pixel16;
}
void hqxx_putpixel(SDL_Surface * surface, int x, int y, Uint16 pixel, Uint8 alpha)
{
int bpp;
Uint8 * p;
Uint8 r, g, b;
Uint32 sdlpixel;
/* Convert the 16bpp RGB-565 to the current surface's format: */
r = (pixel & 0xF800) >> 8;
g = ((pixel & 0x07E0) >> 5) << 2;
b = (pixel & 0x001F) << 3;
sdlpixel = SDL_MapRGBA(surface->format, r, g, b, alpha);
/* Assuming the X/Y values are within the bounds of this surface... */
if (x >= 0 && y >= 0 && x < surface->w && y < surface->h)
{
/* SDL_LockSurface(surface); */
/* Determine bytes-per-pixel for the surface in question: */
bpp = surface->format->BytesPerPixel;
/* Set a pointer to the exact location in memory of the pixel
* in question: */
p = (Uint8 *) (((Uint8 *)surface->pixels) + /* Start: beginning of RAM */
(y * surface->pitch) + /* Go down Y lines */
(x * bpp)); /* Go in X pixels */
/* Set the (correctly-sized) piece of data in the surface's RAM
* to the pixel value sent in: */
if (bpp == 1)
*p = sdlpixel;
else if (bpp == 2)
*(Uint16 *)p = sdlpixel;
else if (bpp == 3)
{
if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
{
p[0] = (sdlpixel >> 16) & 0xff;
p[1] = (sdlpixel >> 8) & 0xff;
p[2] = sdlpixel & 0xff;
}
else
{
p[0] = sdlpixel & 0xff;
p[1] = (sdlpixel >> 8) & 0xff;
p[2] = (sdlpixel >> 16) & 0xff;
}
}
else if (bpp == 4)
{
*(Uint32 *)p = sdlpixel;
}
/* SDL_UnlockSurface(surface); */
}
}
void InitLUTs(Uint32 * RGBtoYUV)
{
int i, j, k, r, g, b, Y, u, v;
for (i = 0; i < 32; i++)
{
for (j = 0; j < 64; j++)
{
for (k = 0; k < 32; k++)
{
r = i << 3;
g = j << 2;
b = k << 3;
Y = (r + g + b) >> 2;
u = 128 + ((r - b) >> 2);
v = 128 + ((-r + 2 * g - b) >> 3);
RGBtoYUV[(i << 11) + (j << 5) + k] = (((Y & 0xF8) << 8) |
((u & 0xFE) << 3) |
(v >> 3));
}
}
}
}
void Interp0(SDL_Surface * dest, int x, int y, Uint16 c, Uint8 alpha)
{
hqxx_putpixel(dest, x, y, c, alpha);
}
void Interp1(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint8 alpha)
{
Uint32 c;
// c = (c1 * 3 + c2) >> 2;
c = ((((c1 & 0x07E0) * 3 + (c2 & 0x07E0)) & (0x07E0 << 2)) +
(((c1 & 0xF81F) * 3 + (c2 & 0xF81F)) & (0xF81F << 2))) >> 2;
hqxx_putpixel(dest, x, y, c, alpha);
}
void Interp2(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint16 c3, Uint8 alpha)
{
Uint32 c;
/* FIXME? */
// c = (c1 * 2 + c2 + c3) >> 2;
c = ((((c1 & 0x07E0) * 2 + (c2 & 0x07E0) + (c3 & 0x07E0)) & (0x07E0 << 2)) +
(((c1 & 0xF81F) * 2 + (c2 & 0xF81F) + (c3 & 0xF81F)) & (0xF81F << 2)))
>> 2;
hqxx_putpixel(dest, x, y, c, alpha);
}
void Interp3(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint8 alpha)
{
Uint32 c;
//c = (c1 * 7 + c2) / 8;
//c = ((((c1 & 0x00FF00) * 7 + (c2 & 0x00FF00)) & 0x0007F800) +
// (((c1 & 0xFF00FF) * 7 + (c2 & 0xFF00FF)) & 0x07F807F8)) >> 3;
c = ((((c1 & 0x07E0) * 7 + (c2 & 0x07E0)) & (0x07E0 << 3)) +
(((c1 & 0xF81F) * 7 + (c2 & 0xF81F)) & (0xF81F << 3))) >> 3;
hqxx_putpixel(dest, x, y, c, alpha);
}
void Interp4(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint16 c3, Uint8 alpha)
{
Uint32 c;
//c = (c1 * 2 + (c2 + c3) * 7) / 16;
//c = ((((c1 & 0x00FF00) * 2 +
// ((c2 & 0x00FF00) +
// (c3 & 0x00FF00)) * 7) & 0x000FF000) +
// (((c1 & 0xFF00FF) * 2 +
// ((c2 & 0xFF00FF) +
// (c3 & 0xFF00FF)) * 7) & 0x0FF00FF0)) >> 4;
c = ((((c1 & 0x07E0) * 2 +
((c2 & 0x07E0) +
(c3 & 0x07E0)) * 7) & 0x7E00) +
(((c1 & 0xF81F) * 2 +
((c2 & 0xF81F) +
(c3 & 0xF81F)) * 7) & 0xF81F0)) >> 4;
hqxx_putpixel(dest, x, y, c, alpha);
}
void Interp5(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint8 alpha)
{
Uint32 c;
// c = (c1 + c2) >> 1;
c = ((((c1 & 0x07E0) + (c2 & 0x07E0)) & (0x07E0 << 1)) +
(((c1 & 0xF81F) + (c2 & 0xF81F)) & (0xF81F << 1))) >> 1;
hqxx_putpixel(dest, x, y, c, alpha);
}
void Interp6(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint16 c3, Uint8 alpha)
{
Uint32 c;
// c = (c1 * 5 + c2 * 2 + c3) / 8;
// c = ((((c1 & 0x00FF00) * 5 +
// (c2 & 0x00FF00) * 2 + (c3 & 0x00FF00)) & 0x0007F800) +
// (((c1 & 0xFF00FF) * 5 +
// (c2 & 0xFF00FF) * 2 + (c3 & 0xFF00FF)) & 0x07F807F8)) >> 3;
c = ((((c1 & 0x07E0) * 5 +
(c2 & 0x07E0) * 2 + (c3 & 0x07E0)) & (0x07E0 << 3)) +
(((c1 & 0xF81F) * 5 +
(c2 & 0xF81F) * 2 + (c3 & 0xF81F)) & (0xF81F << 3))) >> 3;
hqxx_putpixel(dest, x, y, c, alpha);
}
void Interp7(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint16 c3, Uint8 alpha)
{
Uint32 c;
//c = (c1 * 6 + c2 + c3) / 8;
//c = ((((c1 & 0x00FF00)*6 + (c2 & 0x00FF00) + (c3 & 0x00FF00)) & 0x0007F800) +
// (((c1 & 0xFF00FF)*6 + (c2 & 0xFF00FF) + (c3 & 0xFF00FF)) & 0x07F807F8))
// >> 3;
c = ((((c1 & 0x07E0)*6 + (c2 & 0x07E0) + (c3 & 0x07E0)) & (0x07E0 << 3)) +
(((c1 & 0xF81F)*6 + (c2 & 0xF81F) + (c3 & 0xF81F)) & (0xF81F << 3)))
>> 3;
hqxx_putpixel(dest, x, y, c, alpha);
}
void Interp8(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint8 alpha)
{
Uint32 c;
//c = (c1 * 5 + c2 * 3) / 8;
//c = ((((c1 & 0x00FF00) * 5 + (c2 & 0x00FF00) * 3) & 0x0007F800) +
// (((c1 & 0xFF00FF) * 5 + (c2 & 0xFF00FF) * 3) & 0x07F807F8)) >> 3;
c = ((((c1 & 0x07E0) * 5 + (c2 & 0x07E0) * 3) & (0x07E0 << 3)) +
(((c1 & 0xF81F) * 5 + (c2 & 0xF81F) * 3) & (0xF81F << 3))) >> 3;
hqxx_putpixel(dest, x, y, c, alpha);
}
int Diff(unsigned int w1, unsigned int w2)
{
return ((abs((w1 & Ymask) - (w2 & Ymask)) > trY) ||
(abs((w1 & Umask) - (w2 & Umask)) > trU) ||
(abs((w1 & Vmask) - (w2 & Vmask)) > trV));
}

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@ -1,64 +0,0 @@
/*
hqNx filter look-up table init and helper functions
Copyright (C) 2003 MaxSt ( maxst@hiend3d.com )
Library-ified by Bill Kendrick <bill@newbreedsoftware.com>
Based on "hq3x_src_c.zip" dated August 5, 2003
from: http://www.hiend3d.com/hq3x.html
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef HQINIT_H
#define HQINIT_H
#include "SDL.h"
#define Ymask 0xF800
#define Umask 0x07E0
#define Vmask 0x001F
//trY in 32 = 0x00300000
//trU in 32 = 0x00000700
//trV in 32 = 0x00000006
#define trY ((0x30 & 0xF8) << 8)
#define trU ((0x07 & 0x7E) << 3)
#define trV ((0x06 & 0x1F))
#ifdef WIN32
#define inline
#endif
Uint16 hqxx_getpixel(SDL_Surface * surface, int x, int y, Uint8 * alpha);
void InitLUTs(Uint32 * RGBtoYUV);
inline void Interp0(SDL_Surface * dest, int x, int y, Uint16 c, Uint8 alpha);
inline void Interp1(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint8 alpha);
inline void Interp2(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint16 c3, Uint8 alpha);
inline void Interp3(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint8 alpha);
inline void Interp4(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint16 c3, Uint8 alpha);
inline void Interp5(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint8 alpha);
inline void Interp6(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint16 c3, Uint8 alpha);
inline void Interp7(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint16 c3, Uint8 alpha);
inline void Interp8(SDL_Surface * dest, int x, int y, Uint16 c1, Uint16 c2, Uint8 alpha);
inline int Diff(unsigned int w1, unsigned int w2);
#ifdef WIN32
#undef inline
#endif
#endif

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@ -22,23 +22,30 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(See COPYING.txt)
June 14, 2002 - January 12, 2005
June 14, 2002 - January 14, 2005
*/
#define VER_VERSION "0.9.15"
#define VER_DATE "2005-01-12"
#define VER_DATE "2005-01-14"
/* Color depth for Tux Paint to run in, and store canvases in: */
//#define VIDEO_BPP 15 // saves memory
//#define VIDEO_BPP 16 // causes discoloration
//#define VIDEO_BPP 24 // compromise
#define VIDEO_BPP 32 // might be fastest, if conversion funcs removed
#define PRINTMETHOD_PS
//#define PRINTMETHOD_PNM_PS
//#define PRINTMETHOD_PNG_PNM_PS
/* Method for printing images: */
#define PRINTMETHOD_PS /* Direct to PostScript */
//#define PRINTMETHOD_PNM_PS /* Output PNM, assuming it gets printed */
//#define PRINTMETHOD_PNG_PNM_PS /* Output PNG, assuming it gets printed */
/* Default print command, depending on the print method: */
#ifdef PRINTMETHOD_PNG_PNM_PS
#define PRINTCOMMAND "pngtopnm | pnmtops | lpr"
@ -50,6 +57,9 @@
#error No print method defined!
#endif
/* Compile-time options: */
/* #define DEBUG */
/* #define DEBUG_MALLOC */
/* #define LOW_QUALITY_THUMBNAILS */
@ -59,10 +69,6 @@
/* #define NO_PROMPT_SHADOWS */
/* #define USE_HWSURFACE */
/* Use high quality 4x filter when scaling stamps up: */
/* #define USE_HQ4X */
/* Disable fancy cursors in fullscreen mode, to avoid SDL bug: */
#define LARGE_CURSOR_FULLSCREEN_BUG
@ -111,13 +117,15 @@ static scaleparams scaletable[] = {
{ 48, 1}, // 48
};
/* Macros: */
#define HARD_MIN_STAMP_SIZE 0 // bottom of scaletable
#define HARD_MAX_STAMP_SIZE (sizeof scaletable / sizeof scaletable[0] - 1)
#define MIN_STAMP_SIZE (state_stamps[cur_stamp]->min)
#define MAX_STAMP_SIZE (state_stamps[cur_stamp]->max)
#define CAN_USE_HQ4X (scaletable[state_stamps[cur_stamp]->size] == (scaleparams){4,1})
// to scale some offset, in pixels, like the current stamp is scaled
#define SCALE_LIKE_STAMP(x) ( ((x) * scaletable[state_stamps[cur_stamp]->size].numer + scaletable[state_stamps[cur_stamp]->size].denom-1) / scaletable[state_stamps[cur_stamp]->size].denom )
// pixel dimensions of the current stamp, as scaled
@ -127,8 +135,6 @@ static scaleparams scaletable[] = {
///////////////////////////////////////////////////////////////////////////////
// #define MAX_FILES 2048 /* Max. # of files in a dir. to worry about... */
#define REPEAT_SPEED 300 /* Initial repeat speed for scrollbars */
#define CURSOR_BLINK_SPEED 500 /* Initial repeat speed for cursor */
@ -143,12 +149,6 @@ static scaleparams scaletable[] = {
#include <math.h>
#undef y1
#ifdef USE_HQ4X
#include "hqxx.h"
#include "hq3x.h"
#include "hq4x.h"
#endif
#include <locale.h>
#ifndef OLD_UPPERCASE_CODE
@ -2104,10 +2104,6 @@ static SDL_Event scrolltimer_event;
static char * savedir;
#ifdef USE_HQ4X
static int RGBtoYUV[65536];
#endif
typedef struct dirent2 {
struct dirent f;
int place;
@ -5017,45 +5013,7 @@ static void stamp_draw(int x, int y)
/* Shrink or grow it! */
#ifdef USE_HQ4X
if (CAN_USE_HQ4X)
{
/* Use high quality 4x filter! */
/* Make the new surface for the scaled image: */
amask = ~(img_stamps[cur_stamp]->format->Rmask |
img_stamps[cur_stamp]->format->Gmask |
img_stamps[cur_stamp]->format->Bmask);
final_surf = SDL_CreateRGBSurface(SDL_SWSURFACE,
img_stamps[cur_stamp]->w * 4,
img_stamps[cur_stamp]->h * 4,
img_stamps[cur_stamp]->format->BitsPerPixel,
img_stamps[cur_stamp]->format->Rmask,
img_stamps[cur_stamp]->format->Gmask,
img_stamps[cur_stamp]->format->Bmask,
amask);
if (final_surf == NULL)
{
fprintf(stderr, "\nError: Can't build stamp thumbnails\n"
"The Simple DirectMedia Layer error that occurred was:\n"
"%s\n\n", SDL_GetError());
cleanup();
exit(1);
}
hq4x_32(tmp_surf, final_surf, RGBtoYUV);
}
else
#endif
{
final_surf = thumbnail(tmp_surf, CUR_STAMP_W, CUR_STAMP_H, 0);
}
final_surf = thumbnail(tmp_surf, CUR_STAMP_W, CUR_STAMP_H, 0);
/* Where it will go? */
@ -6993,13 +6951,6 @@ static void setup(int argc, char * argv[])
SDL_Flip(screen);
#ifdef USE_HQ4X
/* Init high quality scaling stuff: */
InitLUTs(RGBtoYUV);
#endif
/* Load other images: */
for (i = 0; i < NUM_TOOLS; i++)