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aseprite/src/modules/gfx.cpp

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/* ASE - Allegro Sprite Editor
* Copyright (C) 2001-2009 David Capello
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU 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 "config.h"
#include <allegro.h>
#include <allegro/internal/aintern.h>
#include "jinete/jintern.h"
#include "jinete/jsystem.h"
#include "jinete/jtheme.h"
#include "console.h"
#include "core/app.h"
#include "core/cfg.h"
#include "core/dirs.h"
#include "modules/gfx.h"
#include "modules/gui.h"
#include "modules/palettes.h"
#include "modules/tools.h"
#include "raster/blend.h"
#include "raster/image.h"
#include "widgets/editor.h"
/* static BITMAP *icons_pcx; */
static BITMAP *gfx_bmps[GFX_BITMAP_COUNT];
#include "modules/gfxdata.cpp"
static void convert_data_to_bitmap(DATA *data, BITMAP **bmp)
{
int scale = guiscale();
const char *p;
int x, y;
int black = makecol(0, 0, 0);
int gray = makecol(128, 128, 128);
int white = makecol(255, 255, 255);
int mask;
*bmp = create_bitmap(data->w * scale,
data->h * scale);
mask = bitmap_mask_color(*bmp);
p = data->line;
for (y=0; y<(*bmp)->h; y+=scale) {
for (x=0; x<(*bmp)->w; x+=scale) {
rectfill(*bmp, x, y, x+scale-1, y+scale-1,
(*p == '#') ? black:
(*p == '%') ? gray:
(*p == '.') ? white: mask);
p++;
}
}
}
class GenGfx : public IAppHook
{
public:
void on_event()
{
for (int c=0; c<GFX_BITMAP_COUNT; c++) {
if (gfx_bmps[c])
destroy_bitmap(gfx_bmps[c]);
gfx_bmps[c] = NULL;
}
}
};
int init_module_graphics()
{
for (int c=0; c<GFX_BITMAP_COUNT; c++)
gfx_bmps[c] = NULL;
App::instance()->add_hook(AppEvent::PaletteChange, new GenGfx);
return 0;
}
void exit_module_graphics()
{
for (int c=0; c<GFX_BITMAP_COUNT; c++)
if (gfx_bmps[c]) {
destroy_bitmap(gfx_bmps[c]);
gfx_bmps[c] = NULL;
}
}
BITMAP *get_gfx(int id)
{
if (!gfx_bmps[id])
convert_data_to_bitmap(&gfx_data[id], &gfx_bmps[id]);
return gfx_bmps[id];
}
void dotted_mode(int offset)
{
/* these pattern were taken from The GIMP:
gimp-1.3.11/app/display/gimpdisplayshell-marching-ants.h */
static int pattern_data[8][8] = {
{
0xF0, /* ####---- */
0xE1, /* ###----# */
0xC3, /* ##----## */
0x87, /* #----### */
0x0F, /* ----#### */
0x1E, /* ---####- */
0x3C, /* --####-- */
0x78, /* -####--- */
},
{
0xE1, /* ###----# */
0xC3, /* ##----## */
0x87, /* #----### */
0x0F, /* ----#### */
0x1E, /* ---####- */
0x3C, /* --####-- */
0x78, /* -####--- */
0xF0, /* ####---- */
},
{
0xC3, /* ##----## */
0x87, /* #----### */
0x0F, /* ----#### */
0x1E, /* ---####- */
0x3C, /* --####-- */
0x78, /* -####--- */
0xF0, /* ####---- */
0xE1, /* ###----# */
},
{
0x87, /* #----### */
0x0F, /* ----#### */
0x1E, /* ---####- */
0x3C, /* --####-- */
0x78, /* -####--- */
0xF0, /* ####---- */
0xE1, /* ###----# */
0xC3, /* ##----## */
},
{
0x0F, /* ----#### */
0x1E, /* ---####- */
0x3C, /* --####-- */
0x78, /* -####--- */
0xF0, /* ####---- */
0xE1, /* ###----# */
0xC3, /* ##----## */
0x87, /* #----### */
},
{
0x1E, /* ---####- */
0x3C, /* --####-- */
0x78, /* -####--- */
0xF0, /* ####---- */
0xE1, /* ###----# */
0xC3, /* ##----## */
0x87, /* #----### */
0x0F, /* ----#### */
},
{
0x3C, /* --####-- */
0x78, /* -####--- */
0xF0, /* ####---- */
0xE1, /* ###----# */
0xC3, /* ##----## */
0x87, /* #----### */
0x0F, /* ----#### */
0x1E, /* ---####- */
},
{
0x78, /* -####--- */
0xF0, /* ####---- */
0xE1, /* ###----# */
0xC3, /* ##----## */
0x87, /* #----### */
0x0F, /* ----#### */
0x1E, /* ---####- */
0x3C, /* --####-- */
},
};
static BITMAP *pattern = NULL;
int x, y, fg, bg;
if (offset < 0) {
if (pattern) {
destroy_bitmap(pattern);
pattern = NULL;
}
drawing_mode(DRAW_MODE_SOLID, NULL, 0, 0);
return;
}
if (!pattern)
pattern = create_bitmap(8, 8);
offset = 7 - (offset & 7);
bg = makecol(0, 0, 0);
fg = makecol(255, 255, 255);
clear_bitmap(pattern);
for (y=0; y<8; y++)
for (x=0; x<8; x++)
putpixel(pattern, x, y,
(pattern_data[offset][y] & (1<<(7-x)))? fg: bg);
drawing_mode(DRAW_MODE_COPY_PATTERN, pattern, 0, 0);
}
void simple_dotted_mode(BITMAP *bmp, int fg, int bg)
{
static BITMAP *pattern = NULL;
if (pattern && bitmap_color_depth(pattern) != bitmap_color_depth(bmp))
destroy_bitmap(pattern);
pattern = create_bitmap_ex(bitmap_color_depth(bmp), 2, 2);
clear_bitmap(pattern);
putpixel(pattern, 0, 0, fg);
putpixel(pattern, 0, 1, bg);
putpixel(pattern, 1, 0, bg);
putpixel(pattern, 1, 1, fg);
drawing_mode(DRAW_MODE_COPY_PATTERN, pattern, 0, 0);
}
/**********************************************************************/
/* Set/Restore sub-clip regions */
struct CLIP_DATA
{
BITMAP* bmp;
int cl, ct, cr, cb;
};
void* subclip(BITMAP* bmp, int x1, int y1, int x2, int y2)
{
int cl, ct, cr, cb;
CLIP_DATA* data;
cl = bmp->cl;
ct = bmp->ct;
cr = bmp->cr;
cb = bmp->cb;
if ((x2 < cl) || (x1 >= cr) || (y2 < ct) || (y1 >= cb))
return NULL;
x1 = MID(cl, x1, cr-1);
y1 = MID(ct, y1, cb-1);
x2 = MID(x1, x2, cr-1);
y2 = MID(y1, y2, cb-1);
set_clip(bmp, x1, y1, x2, y2);
data = new CLIP_DATA;
data->bmp = bmp;
data->cl = cl;
data->ct = ct;
data->cr = cr;
data->cb = cb;
return data;
}
void backclip(void* _data)
{
CLIP_DATA* data = reinterpret_cast<CLIP_DATA*>(_data);
set_clip(data->bmp, data->cl, data->ct, data->cr, data->cb);
delete data;
}
/**********************************************************************/
/* Rectangle Tracker (Save/Restore rectangles from/to the screen) */
struct RectTracker
{
BITMAP *bmp;
int x1, y1, x2, y2;
int npixel;
int *pixel;
};
static void do_rect(BITMAP* bmp, int x1, int y1, int x2, int y2, RectTracker* rt,
void (*proc)(BITMAP* bmp, int x, int y, RectTracker* rt))
{
int x, y, u1, u2, v1, v2;
if ((x2 < bmp->cl) || (x1 >= bmp->cr) ||
(y2 < bmp->ct) || (y1 >= bmp->cb))
return;
u1 = MID(bmp->cl, x1, bmp->cr-1);
u2 = MID(x1, x2, bmp->cr-1);
if ((y1 >= bmp->ct) && (y1 < bmp->cb)) {
for (x=u1; x<=u2; x++)
(*proc)(bmp, x, y1, rt);
}
if ((y2 >= bmp->ct) && (y2 < bmp->cb)) {
for (x=u1; x<=u2; x++)
(*proc)(bmp, x, y2, rt);
}
v1 = MID(bmp->ct, y1+1, bmp->cb-1);
v2 = MID(v1, y2-1, bmp->cb-1);
if ((x1 >= bmp->cl) && (x1 < bmp->cr)) {
for (y=v1; y<=v2; y++)
(*proc)(bmp, x1, y, rt);
}
if ((x2 >= bmp->cl) && (x2 < bmp->cr)) {
for (y=v1; y<=v2; y++)
(*proc)(bmp, x2, y, rt);
}
}
static void count_rect(BITMAP* bmp, int x, int y, RectTracker* rt)
{
rt->npixel++;
}
static void save_rect(BITMAP* bmp, int x, int y, RectTracker* rt)
{
rt->pixel[rt->npixel++] = getpixel(bmp, x, y);
}
static void restore_rect(BITMAP* bmp, int x, int y, RectTracker* rt)
{
putpixel(bmp, x, y, rt->pixel[rt->npixel++]);
}
RectTracker* rect_tracker_new(BITMAP* bmp, int x1, int y1, int x2, int y2)
{
RectTracker* rt;
int x, y;
jmouse_hide();
if (x1 > x2) { x = x1; x1 = x2; x2 = x; }
if (y1 > y2) { y = y1; y1 = y2; y2 = y; }
rt = new RectTracker;
rt->bmp = bmp;
rt->x1 = x1;
rt->y1 = y1;
rt->x2 = x2;
rt->y2 = y2;
rt->npixel = 0;
do_rect(bmp, x1, y1, x2, y2, rt, count_rect);
if (rt->npixel > 0)
rt->pixel = new int[rt->npixel];
else
rt->pixel = NULL;
rt->npixel = 0;
do_rect(bmp, x1, y1, x2, y2, rt, save_rect);
jmouse_show();
return rt;
}
void rect_tracker_free(RectTracker* rt)
{
jmouse_hide();
rt->npixel = 0;
do_rect(rt->bmp, rt->x1, rt->y1, rt->x2, rt->y2, rt, restore_rect);
delete[] rt->pixel;
delete rt;
jmouse_show();
}
/**********************************************************************/
/* Rectangles */
void bevel_box(BITMAP *bmp, int x1, int y1, int x2, int y2, int c1, int c2, int bevel)
{
hline(bmp, x1+bevel, y1, x2-bevel, c1); /* top */
hline(bmp, x1+bevel, y2, x2-bevel, c2); /* bottom */
vline(bmp, x1, y1+bevel, y2-bevel, c1); /* left */
vline(bmp, x2, y1+bevel, y2-bevel, c2); /* right */
line(bmp, x1, y1+bevel, x1+bevel, y1, c1); /* top-left */
line(bmp, x1, y2-bevel, x1+bevel, y2, c2); /* bottom-left */
line(bmp, x2-bevel, y1, x2, y1+bevel, c2); /* top-right */
line(bmp, x2-bevel, y2, x2, y2-bevel, c2); /* bottom-right */
}
void rectdotted(BITMAP *bmp, int x1, int y1, int x2, int y2, int fg, int bg)
{
simple_dotted_mode(bmp, fg, bg);
rect(bmp, x1, y1, x2, y2, 0);
solid_mode();
}
void rectgrid(BITMAP *bmp, int x1, int y1, int x2, int y2, int w, int h)
{
int x, y, u, v, c1, c2;
c1 = makecol_depth(bitmap_color_depth(bmp), 128, 128, 128);
c2 = makecol_depth(bitmap_color_depth(bmp), 192, 192, 192);
u = 0;
v = 0;
for (y=y1; y<=y2-h; y+=h) {
for (x=x1; x<=x2-w; x+=w)
rectfill(bmp, x, y, x+w-1, y+h-1, ((u++)&1)? c1: c2);
if (x <= x2)
rectfill(bmp, x, y, x2, y+h-1, ((u++)&1)? c1: c2);
u = (++v);
}
if (y <= y2) {
for (x=x1; x<=x2-w; x+=w)
rectfill(bmp, x, y, x+w-1, y2, ((u++)&1)? c1: c2);
if (x <= x2)
rectfill(bmp, x, y, x2, y2, ((u++)&1)? c1: c2);
}
}
/**********************************************************************/
/* Specials */
void draw_emptyset_symbol(JRect rc, int color)
{
int cx, cy, x1, y1, x2, y2, size;
size = MIN(jrect_w(rc), jrect_h(rc)) - 8;
size = MID(4, size, 64);
cx = (rc->x1+rc->x2)/2;
cy = (rc->y1+rc->y2)/2;
x1 = cx-size/2;
y1 = cy-size/2;
x2 = x1+size-1;
y2 = y1+size-1;
circle(ji_screen, cx, cy, size*4/10, color);
line(ji_screen, x1, y2, x2, y1, color);
}
void draw_color(BITMAP *bmp, int x1, int y1, int x2, int y2,
int imgtype, color_t color)
{
int type = color_type(color);
int data;
int w = x2 - x1 + 1;
int h = y2 - y1 + 1;
BITMAP *graph;
if (type == COLOR_TYPE_INDEX) {
data = color_get_index(imgtype, color);
rectfill(bmp, x1, y1, x2, y2,
/* get_color_for_allegro(bitmap_color_depth(bmp), color)); */
palette_color[_index_cmap[data]]);
return;
}
switch (imgtype) {
case IMAGE_INDEXED:
rectfill(bmp, x1, y1, x2, y2,
palette_color[_index_cmap[get_color_for_image(imgtype, color)]]);
break;
case IMAGE_RGB:
graph = create_bitmap_ex(32, w, h);
if (!graph)
return;
{
int rgb_bitmap_color = get_color_for_image(imgtype, color);
color_t color2 = color_rgb(_rgba_getr(rgb_bitmap_color),
_rgba_getg(rgb_bitmap_color),
_rgba_getb(rgb_bitmap_color));
rectfill(graph, 0, 0, w-1, h-1, get_color_for_allegro(32, color2));
}
{
CurrentSpriteRgbMap rgbmap;
blit(graph, bmp, 0, 0, x1, y1, w, h);
}
destroy_bitmap(graph);
break;
case IMAGE_GRAYSCALE:
graph = create_bitmap_ex(32, w, h);
if (!graph)
return;
{
int gray_bitmap_color = get_color_for_image(imgtype, color);
color_t color2 = color_gray(_graya_getv(gray_bitmap_color));
rectfill(graph, 0, 0, w-1, h-1, get_color_for_allegro(32, color2));
}
{
CurrentSpriteRgbMap rgbmap;
blit(graph, bmp, 0, 0, x1, y1, w, h);
}
destroy_bitmap(graph);
break;
}
}
void draw_color_button(BITMAP *bmp,
int x1, int y1, int x2, int y2,
int b0, int b1, int b2, int b3,
int imgtype, color_t color,
bool hot, bool drag)
{
int face = ji_color_face();
int fore = ji_color_foreground();
draw_color(bmp, x1, y1, x2, y2, imgtype, color);
hline(bmp, x1, y1, x2, fore);
if (b2 && b3)
hline(bmp, x1, y2, x2, fore);
vline(bmp, x1, y1, y2, fore);
vline(bmp, x2, y1, y2, fore);
if (!hot) {
int r = color_get_red(imgtype, color);
int g = color_get_green(imgtype, color);
int b = color_get_blue(imgtype, color);
int c = makecol(MIN(255, r+64),
MIN(255, g+64),
MIN(255, b+64));
rect(bmp, x1+1, y1+1, x2-1, y2-((b2 && b3)?1:0), c);
}
else {
rect(bmp, x1+1, y1+1, x2-1, y2-((b2 && b3)?1:0), fore);
bevel_box(bmp,
x1+1, y1+1, x2-1, y2-((b2 && b3)?1:0),
ji_color_facelight(), ji_color_faceshadow(), 1);
}
if (b0) {
hline(bmp, x1, y1, x1+1, face);
putpixel(bmp, x1, y1+1, face);
putpixel(bmp, x1+1, y1+1, fore);
}
if (b1) {
hline(bmp, x2-1, y1, x2, face);
putpixel(bmp, x2, y1+1, face);
putpixel(bmp, x2-1, y1+1, fore);
}
if (b2) {
putpixel(bmp, x1, y2-1, face);
hline(bmp, x1, y2, x1+1, face);
putpixel(bmp, x1+1, y2-1, fore);
}
if (b3) {
putpixel(bmp, x2, y2-1, face);
hline(bmp, x2-1, y2, x2, face);
putpixel(bmp, x2-1, y2-1, fore);
}
if (drag) {
rect(bmp, x1+2, y1+2, x2-2, y2-2,
blackandwhite_neg(color_get_red(imgtype, color),
color_get_green(imgtype, color),
color_get_blue(imgtype, color)));
}
}
void draw_progress_bar(BITMAP* bmp,
int x1, int y1, int x2, int y2,
float progress)
{
int w = x2 - x1 + 1;
int u = (int)((float)(w-2)*progress);
u = MID(0, u, w-2);
rect(bmp, x1, y1, x2, y2, ji_color_foreground());
if (u > 0)
rectfill(bmp, x1+1, y1+1, x1+u, y2-1, ji_color_selected());
if (1+u < w-2)
rectfill(bmp, x1+u+1, y1+1, x2-1, y2-1, ji_color_background());
}
/************************************************************************/
/* Font related */
int character_length(FONT *font, int chr)
{
return font->vtable->char_length(font, chr);
}
/* renders a character of the font centered in x and y */
void render_character(BITMAP *bmp, FONT *font, int chr, int x, int y, int fg, int bg)
{
font->vtable->render_char(font, chr, fg, bg, bmp, x, y);
}
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