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Copy pathONScripterLabel_image.cpp
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ONScripterLabel_image.cpp
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/* -*- C++ -*-
*
* ONScripterLabel_image.cpp - Image processing in ONScripter
*
* Copyright (c) 2001-2006 Ogapee. All rights reserved.
*
*
* 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 "ONScripterLabel.h"
#include "resize_image.h"
// resize 32bit surface to 32bit surface
int ONScripterLabel::resizeSurface( SDL_Surface *src, SDL_Surface *dst )
{
SDL_LockSurface( dst );
SDL_LockSurface( src );
Uint32 *src_buffer = (Uint32 *)src->pixels;
Uint32 *dst_buffer = (Uint32 *)dst->pixels;
/* size of tmp_buffer must be larger than 16 bytes */
size_t len = src->w * (src->h+1) * 4 + 4;
if (resize_buffer_size < len){
delete[] resize_buffer;
resize_buffer = new unsigned char[len];
resize_buffer_size = len;
}
resizeImage( (unsigned char*)dst_buffer, dst->w, dst->h, dst->w * 4,
(unsigned char*)src_buffer, src->w, src->h, src->w * 4,
4, resize_buffer, src->w * 4, false );
SDL_UnlockSurface( src );
SDL_UnlockSurface( dst );
return 0;
}
#if defined(BPP16)
#define blend_pixel(){\
Uint32 s1 = (*src1_buffer | *src1_buffer << 16) & 0x07e0f81f; \
Uint32 s2 = (*src2_buffer | *src2_buffer << 16) & 0x07e0f81f; \
src1_buffer++; \
src2_buffer++; \
mask_rb = (s1 + ((s2-s1) * mask2 >> 5)) & 0x07e0f81f; \
*dst_buffer++ = mask_rb | mask_rb >> 16; \
}
#else
#define blend_pixel(){\
mask_rb = (((*src1_buffer & 0xff00ff) * mask1 + \
(*src2_buffer & 0xff00ff) * mask2) >> 8) & 0xff00ff;\
mask = (((*src1_buffer++ & 0x00ff00) * mask1 +\
(*src2_buffer++ & 0x00ff00) * mask2) >> 8) & 0x00ff00;\
*dst_buffer++ = mask_rb | mask;\
}
#endif
// alphaBlend
// dst: accumulation_surface
// src1: effect_src_surface
// src2: effect_dst_surface
void ONScripterLabel::alphaBlend( SDL_Surface *mask_surface,
int trans_mode, Uint32 mask_value, SDL_Rect *clip )
{
SDL_Rect rect = {0, 0, screen_width, screen_height};
int i, j;
Uint32 mask, mask1, mask2, mask_rb;
ONSBuf *mask_buffer=NULL;
/* ---------------------------------------- */
/* clipping */
if ( clip ){
if ( AnimationInfo::doClipping( &rect, clip ) ) return;
}
/* ---------------------------------------- */
SDL_LockSurface( effect_src_surface );
SDL_LockSurface( effect_dst_surface );
SDL_LockSurface( accumulation_surface );
if ( mask_surface ) SDL_LockSurface( mask_surface );
ONSBuf *src1_buffer = (ONSBuf *)effect_src_surface->pixels + effect_src_surface->w * rect.y + rect.x;
ONSBuf *src2_buffer = (ONSBuf *)effect_dst_surface->pixels + effect_dst_surface->w * rect.y + rect.x;
ONSBuf *dst_buffer = (ONSBuf *)accumulation_surface->pixels + accumulation_surface->w * rect.y + rect.x;
SDL_PixelFormat *fmt = accumulation_surface->format;
Uint32 overflow_mask;
if ( trans_mode == ALPHA_BLEND_FADE_MASK )
overflow_mask = 0xffffffff;
else
overflow_mask = ~fmt->Bmask;
mask_value >>= fmt->Bloss;
mask2 = mask_value & fmt->Bmask;
mask1 = mask2 ^ fmt->Bmask;
for ( i=0; i<rect.h ; i++ ) {
if (mask_surface) mask_buffer = (ONSBuf *)mask_surface->pixels + mask_surface->w * ((rect.y+i)%mask_surface->h);
if ( trans_mode == ALPHA_BLEND_FADE_MASK ||
trans_mode == ALPHA_BLEND_CROSSFADE_MASK ){
for ( j=0 ; j<rect.w ; j++ ){
mask = *(mask_buffer + (rect.x+j)%mask_surface->w) & fmt->Bmask;
if ( mask_value > mask ){
mask2 = mask_value - mask;
if ( mask2 & overflow_mask ) mask2 = fmt->Bmask;
}
else{
mask2 = 0;
}
mask1 = mask2 ^ fmt->Bmask;
blend_pixel();
}
}
else{ // ALPHA_BLEND_CONST
for ( j=0 ; j<rect.w ; j++ ){
blend_pixel();
}
}
src1_buffer += screen_width - rect.w;
src2_buffer += screen_width - rect.w;
dst_buffer += screen_width - rect.w;
}
if ( mask_surface ) SDL_UnlockSurface( mask_surface );
SDL_UnlockSurface( accumulation_surface );
SDL_UnlockSurface( effect_dst_surface );
SDL_UnlockSurface( effect_src_surface );
}
// alphaBlend32
// dst: ONSBuf surface (accumulation_surface)
// src: 8bit surface (TTF_RenderGlyph_Shaded())
void ONScripterLabel::alphaBlend32( SDL_Surface *dst_surface, SDL_Rect dst_rect,
SDL_Surface *src_surface, SDL_Color &color, SDL_Rect *clip, bool rotate_flag )
{
int i, j;
int x2=0, y2=0;
SDL_Rect clipped_rect;
Uint32 mask, mask1, mask2, mask_rb;
/* ---------------------------------------- */
/* 1st clipping */
if ( clip ){
if ( AnimationInfo::doClipping( &dst_rect, clip, &clipped_rect ) ) return;
x2 += clipped_rect.x;
y2 += clipped_rect.y;
}
/* ---------------------------------------- */
/* 2nd clipping */
SDL_Rect clip_rect = {0, 0, dst_surface->w, dst_surface->h};
if ( AnimationInfo::doClipping( &dst_rect, &clip_rect, &clipped_rect ) ) return;
x2 += clipped_rect.x;
y2 += clipped_rect.y;
/* ---------------------------------------- */
SDL_LockSurface( dst_surface );
SDL_LockSurface( src_surface );
unsigned char *src_buffer = (unsigned char*)src_surface->pixels + src_surface->pitch * y2 + x2;
ONSBuf *dst_buffer = (AnimationInfo::ONSBuf *)dst_surface->pixels + dst_surface->w * dst_rect.y + dst_rect.x;
#if defined(BPP16)
Uint32 src_color = ((color.r & 0xf8) << 8 |
(color.g & 0xfc) << 3 |
(color.b & 0xf8) >> 3);
src_color = (src_color | src_color << 16) & 0x07e0f81f;
#else
Uint32 src_color1 = color.r << 16 | color.b;
Uint32 src_color2 = color.g << 8;
#endif
SDL_PixelFormat *fmt = dst_surface->format;
for ( i=0 ; i<dst_rect.h ; i++ ){
if (rotate_flag)
src_buffer = (unsigned char*)src_surface->pixels + src_surface->pitch*(src_surface->h - x2 - 1) + y2 + i;
for ( j=0 ; j<dst_rect.w ; j++ ){
mask2 = *src_buffer >> fmt->Bloss;
mask1 = mask2 ^ fmt->Bmask;
#if defined(BPP16)
Uint32 d1 = (*dst_buffer | *dst_buffer << 16) & 0x07e0f81f;
mask_rb = (d1 + ((src_color-d1) * mask2 >> 5)) & 0x07e0f81f; // red, green and blue pixel
*dst_buffer++ = mask_rb | mask_rb >> 16;
#else
mask_rb = (((*dst_buffer & 0xff00ff) * mask1 +
src_color1 * mask2) >> 8) & 0xff00ff;
mask = (((*dst_buffer & 0x00ff00) * mask1 +
src_color2 * mask2) >> 8) & 0x00ff00;
*dst_buffer++ = mask_rb | mask;
#endif
if (rotate_flag)
src_buffer -= src_surface->pitch;
else
src_buffer++;
}
if (!rotate_flag)
src_buffer += src_surface->pitch - dst_rect.w;
dst_buffer += dst_surface->w - dst_rect.w;
}
SDL_UnlockSurface( src_surface );
SDL_UnlockSurface( dst_surface );
}
void ONScripterLabel::makeNegaSurface( SDL_Surface *surface, SDL_Rect &clip )
{
SDL_LockSurface( surface );
ONSBuf *buf = (ONSBuf *)surface->pixels + clip.y * surface->w + clip.x;
ONSBuf mask = surface->format->Rmask | surface->format->Gmask | surface->format->Bmask;
for ( int i=clip.y ; i<clip.y + clip.h ; i++ ){
for ( int j=clip.x ; j<clip.x + clip.w ; j++ )
*buf++ ^= mask;
buf += surface->w - clip.w;
}
SDL_UnlockSurface( surface );
}
void ONScripterLabel::makeMonochromeSurface( SDL_Surface *surface, SDL_Rect &clip )
{
SDL_LockSurface( surface );
ONSBuf *buf = (ONSBuf *)surface->pixels + clip.y * surface->w + clip.x, c;
SDL_PixelFormat *fmt = surface->format;
for ( int i=clip.y ; i<clip.y + clip.h ; i++ ){
for ( int j=clip.x ; j<clip.x + clip.w ; j++ ){
c = ((((*buf & fmt->Rmask) >> fmt->Rshift) << fmt->Rloss) * 77 +
(((*buf & fmt->Gmask) >> fmt->Gshift) << fmt->Gloss) * 151 +
(((*buf & fmt->Bmask) >> fmt->Bshift) << fmt->Bloss) * 28 ) >> 8;
*buf++ = ((monocro_color_lut[c][0] >> fmt->Rloss) << surface->format->Rshift |
(monocro_color_lut[c][1] >> fmt->Gloss) << surface->format->Gshift |
(monocro_color_lut[c][2] >> fmt->Bloss) << surface->format->Bshift);
}
buf += surface->w - clip.w;
}
SDL_UnlockSurface( surface );
}
void ONScripterLabel::refreshSurface( SDL_Surface *surface, SDL_Rect *clip_src, int refresh_mode )
{
if (refresh_mode == REFRESH_NONE_MODE) return;
SDL_Rect clip = {0, 0, surface->w, surface->h};
if (clip_src) if ( AnimationInfo::doClipping( &clip, clip_src ) ) return;
int i, top;
SDL_FillRect( surface, &clip, SDL_MapRGB( surface->format, 0, 0, 0) );
drawTaggedSurface( surface, &bg_info, clip );
if ( !all_sprite_hide_flag ){
if ( z_order < 10 && refresh_mode & REFRESH_SAYA_MODE )
top = 9;
else
top = z_order;
for ( i=MAX_SPRITE_NUM-1 ; i>top ; i-- ){
if ( sprite_info[i].image_surface && sprite_info[i].visible ){
drawTaggedSurface( surface, &sprite_info[i], clip );
}
}
}
for ( i=0 ; i<3 ; i++ ){
if (human_order[2-i] >= 0 && tachi_info[human_order[2-i]].image_surface){
drawTaggedSurface( surface, &tachi_info[human_order[2-i]], clip );
}
}
if ( windowback_flag ){
if ( nega_mode == 1 ) makeNegaSurface( surface, clip );
if ( monocro_flag ) makeMonochromeSurface( surface, clip );
if ( nega_mode == 2 ) makeNegaSurface( surface, clip );
if (refresh_mode & REFRESH_SHADOW_MODE)
shadowTextDisplay( surface, clip );
if (refresh_mode & REFRESH_TEXT_MODE)
text_info.blendOnSurface( surface, 0, 0, clip );
}
if ( !all_sprite_hide_flag ){
if ( refresh_mode & REFRESH_SAYA_MODE )
top = 10;
else
top = 0;
for ( i=z_order ; i>=top ; i-- ){
if ( sprite_info[i].image_surface && sprite_info[i].visible ){
drawTaggedSurface( surface, &sprite_info[i], clip );
}
}
}
if ( !windowback_flag ){
if ( nega_mode == 1 ) makeNegaSurface( surface, clip );
if ( monocro_flag ) makeMonochromeSurface( surface, clip );
if ( nega_mode == 2 ) makeNegaSurface( surface, clip );
}
if ( !( refresh_mode & REFRESH_SAYA_MODE ) ){
for ( i=0 ; i<MAX_PARAM_NUM ; i++ ){
if ( bar_info[i] ) {
drawTaggedSurface( surface, bar_info[i], clip );
}
}
for ( i=0 ; i<MAX_PARAM_NUM ; i++ ){
if ( prnum_info[i] ){
drawTaggedSurface( surface, prnum_info[i], clip );
}
}
}
if ( !windowback_flag ){
if (refresh_mode & REFRESH_SHADOW_MODE)
shadowTextDisplay( surface, clip );
if (refresh_mode & REFRESH_TEXT_MODE)
text_info.blendOnSurface( surface, 0, 0, clip );
}
if ( refresh_mode & REFRESH_CURSOR_MODE && !textgosub_label ){
if ( clickstr_state == CLICK_WAIT )
drawTaggedSurface( surface, &cursor_info[CURSOR_WAIT_NO], clip );
else if ( clickstr_state == CLICK_NEWPAGE )
drawTaggedSurface( surface, &cursor_info[CURSOR_NEWPAGE_NO], clip );
}
ButtonLink *p_button_link = root_button_link.next;
while( p_button_link ){
if (p_button_link->show_flag > 0){
drawTaggedSurface( surface, p_button_link->anim[p_button_link->show_flag-1], clip );
}
p_button_link = p_button_link->next;
}
}
void ONScripterLabel::refreshSprite( SDL_Surface *surface, int sprite_no,
bool active_flag, int cell_no,
SDL_Rect *check_src_rect, SDL_Rect *check_dst_rect )
{
if ( sprite_info[sprite_no].image_name &&
( sprite_info[ sprite_no ].visible != active_flag ||
(cell_no >= 0 && sprite_info[ sprite_no ].current_cell != cell_no ) ||
AnimationInfo::doClipping(check_src_rect, &sprite_info[ sprite_no ].pos) == 0 ||
AnimationInfo::doClipping(check_dst_rect, &sprite_info[ sprite_no ].pos) == 0) )
{
if ( cell_no >= 0 )
sprite_info[ sprite_no ].setCell(cell_no);
sprite_info[ sprite_no ].visible = active_flag;
dirty_rect.add( sprite_info[ sprite_no ].pos );
}
}
void ONScripterLabel::createBackground()
{
bg_effect_image = COLOR_EFFECT_IMAGE;
if ( !strcmp( bg_info.file_name, "white" ) ){
bg_info.color[0] = bg_info.color[1] = bg_info.color[2] = 0xff;
}
else if ( !strcmp( bg_info.file_name, "black" ) ){
bg_info.color[0] = bg_info.color[1] = bg_info.color[2] = 0x00;
}
else{
if ( bg_info.file_name[0] == '#' ){
readColor( &bg_info.color, bg_info.file_name );
}
else{
bg_info.color[0] = bg_info.color[1] = bg_info.color[2] = 0x00;
setStr( &bg_info.image_name, bg_info.file_name );
parseTaggedString( &bg_info );
bg_info.trans_mode = AnimationInfo::TRANS_COPY;
setupAnimationInfo( &bg_info );
if (bg_info.image_surface){
bg_info.pos.x = (screen_width - bg_info.image_surface->w) / 2;
bg_info.pos.y = (screen_height - bg_info.image_surface->h) / 2;
}
bg_effect_image = BG_EFFECT_IMAGE;
}
}
if (bg_effect_image == COLOR_EFFECT_IMAGE){
bg_info.num_of_cells = 1;
bg_info.trans_mode = AnimationInfo::TRANS_COPY;
bg_info.pos.x = 0;
bg_info.pos.y = 0;
bg_info.allocImage( screen_width, screen_height );
bg_info.fill(bg_info.color[0], bg_info.color[1], bg_info.color[2], 0xff);
}
}