Added ripples magic.

Added (not finished) (new) sparkles magic.
Fixed printf localization bug in postscript printing.
Got Text tool working when Pango is used.
This commit is contained in:
William Kendrick 2007-07-18 20:13:08 +00:00
parent 0ed6e2fd30
commit c4b3e49215
7 changed files with 525 additions and 65 deletions

View file

@ -44,8 +44,6 @@ $Id$
Can be disabled (will use older SDL_ttf-based code) by building with
"make nopango".
Note: Text tool doesn't show appropriate fonts, but getting closer.
* New Brushes
-----------
* Sparkles (based on old Magic Tool)
@ -65,9 +63,10 @@ $Id$
* Emboss
* Metal Paint
* Waves
* Foam
* Ripples
* Flower
(utilizes Bezier curve example code from Wikipedia.org)
* Foam
* New Localizations:
------------------

View file

@ -32,7 +32,9 @@ all: negative.$(SO_TYPE) \
metalpaint.$(SO_TYPE) \
waves.$(SO_TYPE) \
flower.$(SO_TYPE) \
foam.$(SO_TYPE)
foam.$(SO_TYPE) \
ripples.$(SO_TYPE) \
sparkles.$(SO_TYPE)
install:
cd .. ; make install-magic-plugins
@ -122,3 +124,11 @@ foam.$(SO_TYPE): src/foam.c
@echo "Building Foam magic tool"
@$(CC) $(CFLAGS) -shared -o $@ $<
ripples.$(SO_TYPE): src/ripples.c
@echo "Building Ripples magic tool"
@$(CC) $(CFLAGS) -shared -o $@ $<
sparkles.$(SO_TYPE): src/sparkles.c
@echo "Building Sparkles magic tool"
@$(CC) $(CFLAGS) -shared -o $@ $<

149
magic/src/ripples.c Normal file
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@ -0,0 +1,149 @@
#include <stdio.h>
#include <string.h>
#include <libintl.h>
#include "tp_magic_api.h"
#include "SDL_image.h"
#include "SDL_mixer.h"
#include <math.h>
/* Our globals: */
Mix_Chunk * ripples_snd;
int ripples_z, ripples_brite;
Uint32 ripples_api_version(void) { return(TP_MAGIC_API_VERSION); }
#define deg_cos(x) cos((x) * M_PI / 180.0)
#define deg_sin(x) sin((x) * M_PI / 180.0)
// No setup required:
int ripples_init(magic_api * api)
{
char fname[1024];
snprintf(fname, sizeof(fname), "%s/sounds/magic/ripples.wav",
api->data_directory);
ripples_snd = Mix_LoadWAV(fname);
return(1);
}
// We have multiple tools:
int ripples_get_tool_count(magic_api * api)
{
return(1);
}
// Load our icons:
SDL_Surface * ripples_get_icon(magic_api * api, int which)
{
char fname[1024];
snprintf(fname, sizeof(fname), "%s/images/magic/ripples.png",
api->data_directory);
return(IMG_Load(fname));
}
// Return our names, localized:
char * ripples_get_name(magic_api * api, int which)
{
return(strdup(gettext("Ripples")));
}
// Return our descriptions, localized:
char * ripples_get_description(magic_api * api, int which)
{
return(strdup(gettext("Click to make ripples appear over your picture.")));
}
// Affect the canvas on drag:
void ripples_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * last, int ox, int oy, int x, int y,
SDL_Rect * update_rect)
{
}
void ripples_linecb(void * ptr, int which,
SDL_Surface * canvas, SDL_Surface * last,
int x, int y)
{
magic_api * api = (magic_api *) ptr;
Uint8 r, g, b;
Uint32 pix;
pix = api->getpixel(last, x + ripples_z, y + ripples_z);
SDL_GetRGB(pix, last->format, &r, &g, &b);
r = max(0, min(255, r + ripples_brite));
g = max(0, min(255, g + ripples_brite));
b = max(0, min(255, b + ripples_brite));
api->putpixel(canvas, x, y, SDL_MapRGB(canvas->format, r, g, b));
}
// Affect the canvas on click:
void ripples_click(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * last,
int x, int y, SDL_Rect * update_rect)
{
float radius;
float fli;
int ox, oy, nx, ny, d;
radius = 100;
for (fli = 0; fli < radius; fli = fli + .25)
{
ripples_z = (10 * deg_sin(((50 * 50) / (fli + 4)) * 10));
ox = fli * deg_cos(0) + x;
oy = -fli * deg_sin(0) + y;
for (d = 0; d <= 360 + (360 / (fli + 1)); d = d + 360 / (fli + 1))
{
nx = fli * deg_cos(d) + x;
ny = -fli * deg_sin(d) + y;
ripples_brite = (ripples_z * 20 * deg_sin(d + 45)) / ((fli / 4) + 1);
api->line(which, canvas, last, ox, oy, nx, ny, 1, ripples_linecb);
ox = nx;
oy = ny;
}
}
update_rect->x = x - 100;
update_rect->y = y - 100;
update_rect->w = 200;
update_rect->h = 200;
}
// Affect the canvas on release:
void ripples_release(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * last,
int x, int y, SDL_Rect * update_rect)
{
}
// No setup happened:
void ripples_shutdown(magic_api * api)
{
if (ripples_snd != NULL)
Mix_FreeChunk(ripples_snd);
}
// Record the color from Tux Paint:
void ripples_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b)
{
}
// Use colors:
int ripples_requires_colors(magic_api * api, int which)
{
return 0;
}

148
magic/src/sparkles.c Normal file
View file

@ -0,0 +1,148 @@
#include <stdio.h>
#include <string.h>
#include <libintl.h>
#include "tp_magic_api.h"
#include "SDL_image.h"
#include "SDL_mixer.h"
/* Our globals: */
Mix_Chunk * sparkles_snd;
Uint8 sparkles_r, sparkles_g, sparkles_b;
Uint32 sparkles_api_version(void) { return(TP_MAGIC_API_VERSION); }
// No setup required:
int sparkles_init(magic_api * api)
{
char fname[1024];
snprintf(fname, sizeof(fname), "%s/sounds/magic/sparkles.wav",
api->data_directory);
sparkles_snd = Mix_LoadWAV(fname);
return(1);
}
// We have multiple tools:
int sparkles_get_tool_count(magic_api * api)
{
return(1);
}
// Load our icons:
SDL_Surface * sparkles_get_icon(magic_api * api, int which)
{
char fname[1024];
snprintf(fname, sizeof(fname), "%s/images/magic/sparkles.png",
api->data_directory);
return(IMG_Load(fname));
}
// Return our names, localized:
char * sparkles_get_name(magic_api * api, int which)
{
return(strdup(gettext("Sparkles")));
}
// Return our descriptions, localized:
char * sparkles_get_description(magic_api * api, int which)
{
return(strdup(gettext("Click and drag to draw glowing sparkles on your picture.")));
}
// Do the effect:
void do_sparkles(void * ptr, int which, SDL_Surface * canvas, SDL_Surface * last,
int x, int y)
{
magic_api * api = (magic_api *) ptr;
int xx, yy;
Uint32 pix;
Uint8 r, g, b;
int div;
for (yy = -8; yy < 8; yy++)
{
for (xx = -8; xx < 8; xx++)
{
if (api->in_circle(xx, yy, 8))
{
pix = api->getpixel(canvas, x + xx, y + yy);
SDL_GetRGB(pix, canvas->format, &r, &g, &b);
div = abs(xx * yy);
if (div == 0)
div = 1;
r = min(255, r + (sparkles_r / div));
g = min(255, g + (sparkles_g / div));
b = min(255, b + (sparkles_b / div));
api->putpixel(canvas, x + xx, y + yy,
SDL_MapRGB(canvas->format, r, g, b));
}
}
}
}
// Affect the canvas on drag:
void sparkles_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * last, int ox, int oy, int x, int y,
SDL_Rect * update_rect)
{
api->line(which, canvas, last, ox, oy, x, y, 1, do_sparkles);
if (ox > x) { int tmp = ox; ox = x; x = tmp; }
if (oy > y) { int tmp = oy; oy = y; y = tmp; }
update_rect->x = ox - 8;
update_rect->y = oy - 8;
update_rect->w = (x + 8) - update_rect->x;
update_rect->h = (y + 8) - update_rect->h;
api->playsound(sparkles_snd, (x * 255) / canvas->w, 255);
}
// Affect the canvas on click:
void sparkles_click(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * last,
int x, int y, SDL_Rect * update_rect)
{
sparkles_drag(api, which, canvas, last, x, y, x, y, update_rect);
}
// Affect the canvas on release:
void sparkles_release(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * last,
int x, int y, SDL_Rect * update_rect)
{
}
// No setup happened:
void sparkles_shutdown(magic_api * api)
{
if (sparkles_snd != NULL)
Mix_FreeChunk(sparkles_snd);
}
// Record the color from Tux Paint:
void sparkles_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b)
{
sparkles_r = r + 10;
sparkles_g = g + 10;
sparkles_b = b + 10;
}
// Use colors:
int sparkles_requires_colors(magic_api * api, int which)
{
return 1;
}

View file

@ -90,7 +90,7 @@ style_info **user_font_styles;
int num_font_styles = 0;
int num_font_styles_max = 0;
int text_state;
int text_state = 0;
unsigned text_size = 4; // initial text size
@ -246,7 +246,9 @@ TuxPaint_Font * TuxPaint_Font_OpenFont(const char * pangodesc, const char * ttff
char desc[1024];
#endif
#ifdef DEBUG
printf("OpenFont(pango:\"%s\", ttf:\"%s\")\n", pangodesc, ttffilename);
#endif
#ifndef NO_SDLPANGO
@ -256,42 +258,60 @@ TuxPaint_Font * TuxPaint_Font_OpenFont(const char * pangodesc, const char * ttff
tpf->typ = FONT_TYPE_PANGO;
snprintf(desc, sizeof(desc), "%s %d", pangodesc, (size * 3) / 4);
printf("Creating context: \"%s\"\n", desc);
#ifdef DEBUG
printf("Creating context: \"%s\"\n", desc);
#endif
tpf->pango_context = SDLPango_CreateContext_GivenFontDesc(desc);
if (tpf->pango_context == NULL)
{
#ifdef DEBUG
printf("Failed to load %s\n", desc);
#endif
free(tpf);
tpf = NULL;
}
else
tpf->height = size; /* FIXME: Is this accurate!? -bjk 2007.07.12 */
#ifdef DEBUG
printf("TuxPaint_Font_OpenFont() done\n"); fflush(stdout);
#endif
return(tpf);
}
#endif
if (ttffilename != NULL && ttffilename[0] != '\0')
{
#ifdef DEBUG
printf("Opening TTF\n"); fflush(stdout);
#endif
tpf = (TuxPaint_Font *) malloc(sizeof(TuxPaint_Font));
tpf->typ = FONT_TYPE_TTF;
tpf->ttf_font = TTF_OpenFont(ttffilename, size);
if (tpf->ttf_font == NULL)
{
#ifdef DEBUG
printf("Failed to load %s: %s\n", ttffilename, SDL_GetError());
#endif
free(tpf);
tpf = NULL;
}
else
{
#ifdef DEBUG
printf("Succeeded loading %s\n", ttffilename);
#endif
tpf->height = TTF_FontHeight(tpf->ttf_font);
}
}
#ifdef DEBUG
printf("TuxPaint_Font_OpenFont() done\n"); fflush(stdout);
#endif
return(tpf);
}
@ -510,7 +530,7 @@ void receive_some_font_info(SDL_Surface * screen)
rc = read(font_socket_fd, buf + buf_fill, buf_size - buf_fill);
#ifdef DEBUG
printf("read: fd=%d buf_fill=%u buf_size=%u rc=%ld\n", font_socket_fd,
buf_fill, buf_size, rc);
buf_fill, buf_size, (long int) rc);
#endif
if (rc == -1)
@ -1160,70 +1180,144 @@ TuxPaint_Font *getfonthandle(int desire)
{
int missing = 0;
family_info *fi = user_font_families[desire];
char *name = fi->filename[text_state];
char *name;
char *pathname;
char description[1024];
#ifdef DEBUG
printf("\ngetfonthandle(%d)...\n", desire); fflush(stdout);
#endif
if (fi == NULL)
{
#ifdef DEBUG
printf("getfonthandle(%d) points to a NULL family\n", desire);
fflush(stdout);
#endif
return NULL;
}
if (fi->filename != NULL)
{
#ifdef DEBUG
printf("Setting 'name' to fi->filename[%d (0x%x)]\n",
(int) text_state,
(int) text_state);
fflush(stdout);
#endif
name = fi->filename[text_state];
#ifdef DEBUG
printf("Which is: %s\n", name); fflush(stdout);
#endif
}
else
{
#ifdef DBEUG
printf("fi->filename is NULL\n"); fflush(stdout);
#endif
name = NULL;
}
if (fi->handle)
{
#ifdef DEBUG
printf("fi->handle was set (0x%x)\n", (int) fi->handle); fflush(stdout);
#endif
return fi->handle;
}
#ifdef DEBUG
printf("fi->handle was not yet set\n"); fflush(stdout);
#endif
/* FIXME: Doesn't make sense; fi->handle is NULL! -bjk 2007.07.17
/*
#ifndef NO_SDLPANGO
snprintf(description, sizeof(description), "%s%s%s", fi->family,
(text_state ^ TTF_STYLE_ITALIC ? " italic" : ""),
(text_state ^ TTF_STYLE_BOLD ? " bold" : ""));
pathname = (char *) "";
if (fi->handle->typ == FONT_TYPE_PANGO)
{
snprintf(description, sizeof(description), "%s%s%s", fi->family,
(text_state ^ TTF_STYLE_ITALIC ? " italic" : ""),
(text_state ^ TTF_STYLE_BOLD ? " bold" : ""));
(void)(name);
(void)(missing);
pathname = (char *) "";
printf("getfonthandle(%d) asking SDL_Pango for %s\n", desire, description);
#else
#ifdef DEBUG
printf("getfonthandle(%d) asking SDL_Pango for %s\n", desire, description);
#endif
}
#endif
*/
if (!name)
/* FIXME: Doesn't make sense; fi->handle is NULL! -bjk 2007.07.17
if (fi->handle->typ == FONT_TYPE_TTF)
*/
{
name = fi->filename[text_state ^ TTF_STYLE_ITALIC];
missing = text_state & TTF_STYLE_ITALIC;
}
if (!name)
{
name = fi->filename[text_state ^ TTF_STYLE_BOLD];
missing = text_state & TTF_STYLE_BOLD;
}
if (!name)
{
name = fi->filename[text_state ^ (TTF_STYLE_ITALIC | TTF_STYLE_BOLD)];
missing = text_state & (TTF_STYLE_ITALIC | TTF_STYLE_BOLD);
}
pathname = alloca(strlen(fi->directory) + 1 + strlen(name) + 1);
sprintf(pathname, "%s/%s", fi->directory, name);
if (!name)
{
name = fi->filename[text_state ^ TTF_STYLE_ITALIC];
missing = text_state & TTF_STYLE_ITALIC;
}
if (!name)
{
name = fi->filename[text_state ^ TTF_STYLE_BOLD];
missing = text_state & TTF_STYLE_BOLD;
}
if (!name)
{
name = fi->filename[text_state ^ (TTF_STYLE_ITALIC | TTF_STYLE_BOLD)];
missing = text_state & (TTF_STYLE_ITALIC | TTF_STYLE_BOLD);
}
if (!name)
{
#ifdef DEBUG
printf("name is still NULL\n"); fflush(stdout);
#endif
return(NULL);
}
strcpy(description, "");
pathname = alloca(strlen(fi->directory) + 1 + strlen(name) + 1);
sprintf(pathname, "%s/%s", fi->directory, name);
/* #endif */
strcpy(description, "");
}
fi->handle = TuxPaint_Font_OpenFont(description, pathname, text_sizes[text_size]);
// if the font doesn't load, we die -- it did load OK before though
/* #ifdef NO_SDLPANGO */
if (fi->handle->ttf_font == NULL)
if (fi->handle == NULL)
{
printf("fi->handle->ttf_font is NULL!\n");
fflush(stdout);
#ifdef DEBUG
printf("fi->handle is NULL!\n"); fflush(stdout);
#endif
return(NULL);
}
TTF_SetFontStyle(fi->handle->ttf_font, missing);
/* #endif */
if (fi->handle->typ == FONT_TYPE_TTF)
{
if (fi->handle->ttf_font == NULL)
{
#ifdef DEBUG
printf("fi->handle->ttf_font is NULL!\n"); fflush(stdout);
#endif
return(NULL);
}
#ifdef DEBUG
printf("calling TTF_SetFontStyle(0x%x)\n", missing); fflush(stdout);
#endif
TTF_SetFontStyle(fi->handle->ttf_font, missing);
}
#ifndef NO_SDLPANGO
if (fi->handle->typ == FONT_TYPE_PANGO)
printf("It's a Pango context...\n");
#endif
return fi->handle;
}
@ -1370,29 +1464,75 @@ out:
int TuxPaint_Font_FontHeight(TuxPaint_Font * tpf)
{
if (tpf == NULL)
{
#ifdef DEBUG
printf("TuxPaint_Font_FontHeight() received NULL\n"); fflush(stdout);
#endif
return(1);
}
return(tpf->height);
}
const char * TuxPaint_Font_FontFaceFamilyName(TuxPaint_Font * tpf)
{
#ifndef NO_SDLPANGO
/* FIXME */
(void)(tpf);
return("");
#else
return (TTF_FontFaceFamilyName(tpf->ttf_font));
if (tpf == NULL)
{
#ifdef DEBUG
printf("TuxPaint_Font_FontFaceFamilyName() received NULL\n"); fflush(stdout);
#endif
return("");
}
#ifndef NO_SDLPANGO
if (tpf->typ == FONT_TYPE_PANGO)
{
(void)(tpf);
/* FIXME */
return("");
}
#endif
if (tpf->typ == FONT_TYPE_TTF)
return (TTF_FontFaceFamilyName(tpf->ttf_font));
#ifdef DEBUG
printf("TuxPaint_Font_FontFaceFamilyName() is confused\n");
#endif
return("");
}
const char * TuxPaint_Font_FontFaceStyleName(TuxPaint_Font * tpf)
{
#ifndef NO_SDLPANGO
/* FIXME */
(void)(tpf);
return("");
#else
return (TTF_FontFaceStyleName(tpf->ttf_font));
if (tpf == NULL)
{
#ifdef DEBUG
printf("TuxPaint_Font_FontFaceStyleName() received NULL\n"); fflush(stdout);
#endif
return("");
}
#ifndef NO_SDLPANGO
if (tpf->typ == FONT_TYPE_PANGO)
{
(void)(tpf);
/* FIXME */
return("");
}
#endif
if (tpf->typ == FONT_TYPE_TTF)
return (TTF_FontFaceStyleName(tpf->ttf_font));
#ifdef DEBUG
printf("TuxPaint_Font_FontFaceStyleName() is confused\n");
#endif
return("");
}

View file

@ -73,7 +73,7 @@ int f2int(float f)
int f2dec(float f)
{
return (int)(f - (((int)f) * 100));
return (int)((f - f2int(f)) * 100);
}
/* Actually save the PostScript data to the file stream: */

View file

@ -956,7 +956,7 @@ static SDL_Surface *zoom(SDL_Surface * src, int new_x, int new_y);
static SDL_Surface *render_text(TuxPaint_Font * restrict font,
const char *restrict str, SDL_Color color)
{
SDL_Surface *ret;
SDL_Surface *ret = NULL;
int height;
#ifndef NO_SDLPANGO
SDLPango_Matrix pango_color;
@ -969,16 +969,32 @@ static SDL_Surface *render_text(TuxPaint_Font * restrict font,
return NULL;
}
#ifdef NO_SDLPANGO
ret = TTF_RenderUTF8_Blended(font->ttf_font, str, color);
#else
sdl_color_to_pango_color(color, &pango_color);
#ifndef NO_SDLPANGO
if (font->typ == FONT_TYPE_PANGO)
{
sdl_color_to_pango_color(color, &pango_color);
SDLPango_SetDefaultColor(font->pango_context, &pango_color);
SDLPango_SetText(font->pango_context, str, -1);
ret = SDLPango_CreateSurfaceDraw(font->pango_context);
#ifdef DEBUG
printf("Calling SDLPango_SetText(\"%s\")\n", str);
fflush(stdout);
#endif
SDLPango_SetDefaultColor(font->pango_context, &pango_color);
SDLPango_SetText(font->pango_context, str, -1);
ret = SDLPango_CreateSurfaceDraw(font->pango_context);
}
#endif
if (font->typ == FONT_TYPE_TTF)
{
#ifdef DEBUG
printf("Calling TTF_RenderUTF8_Blended(\"%s\")\n", str);
fflush(stdout);
#endif
ret = TTF_RenderUTF8_Blended(font->ttf_font, str, color);
}
if (ret)
return ret;
@ -2817,7 +2833,6 @@ static void mainloop(void)
{
// need to invalidate all the cached user fonts, causing reload on demand
#ifdef NO_SDLPANGO
int i;
for (i = 0; i < num_font_families; i++)
{
@ -2828,7 +2843,6 @@ static void mainloop(void)
user_font_families[i]->handle = NULL;
}
}
#endif
draw_fonts();
update_screen_rect(&r_toolopt);
}