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00012 #include "stdafx.h"
00013 #include "gfx_layout.h"
00014 #include "progress.h"
00015 #include "zoom_func.h"
00016 #include "blitter/factory.hpp"
00017 #include "video/video_driver.hpp"
00018 #include "strings_func.h"
00019 #include "settings_type.h"
00020 #include "network/network.h"
00021 #include "network/network_func.h"
00022 #include "window_func.h"
00023 #include "newgrf_debug.h"
00024
00025 #include "table/palettes.h"
00026 #include "table/sprites.h"
00027 #include "table/control_codes.h"
00028
00029 byte _dirkeys;
00030 bool _fullscreen;
00031 CursorVars _cursor;
00032 bool _ctrl_pressed;
00033 bool _shift_pressed;
00034 byte _fast_forward;
00035 bool _left_button_down;
00036 bool _left_button_clicked;
00037 bool _right_button_down;
00038 bool _right_button_clicked;
00039 DrawPixelInfo _screen;
00040 bool _screen_disable_anim = false;
00041 bool _exit_game;
00042 GameMode _game_mode;
00043 SwitchMode _switch_mode;
00044 PauseModeByte _pause_mode;
00045 Palette _cur_palette;
00046
00047 static byte _stringwidth_table[FS_END][224];
00048 DrawPixelInfo *_cur_dpi;
00049 byte _colour_gradient[COLOUR_END][8];
00050
00051 static void GfxMainBlitterViewport(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub = NULL, SpriteID sprite_id = SPR_CURSOR_MOUSE);
00052 static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub = NULL, SpriteID sprite_id = SPR_CURSOR_MOUSE, ZoomLevel zoom = ZOOM_LVL_NORMAL);
00053
00054 static ReusableBuffer<uint8> _cursor_backup;
00055
00063 static Rect _invalid_rect;
00064 static const byte *_colour_remap_ptr;
00065 static byte _string_colourremap[3];
00066
00067 static const uint DIRTY_BLOCK_HEIGHT = 8;
00068 static const uint DIRTY_BLOCK_WIDTH = 64;
00069
00070 static uint _dirty_bytes_per_line = 0;
00071 static byte *_dirty_blocks = NULL;
00072 extern uint _dirty_block_colour;
00073
00074 void GfxScroll(int left, int top, int width, int height, int xo, int yo)
00075 {
00076 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00077
00078 if (xo == 0 && yo == 0) return;
00079
00080 if (_cursor.visible) UndrawMouseCursor();
00081
00082 #ifdef ENABLE_NETWORK
00083 if (_networking) NetworkUndrawChatMessage();
00084 #endif
00085
00086 blitter->ScrollBuffer(_screen.dst_ptr, left, top, width, height, xo, yo);
00087
00088 _video_driver->MakeDirty(left, top, width, height);
00089 }
00090
00091
00106 void GfxFillRect(int left, int top, int right, int bottom, int colour, FillRectMode mode)
00107 {
00108 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00109 const DrawPixelInfo *dpi = _cur_dpi;
00110 void *dst;
00111 const int otop = top;
00112 const int oleft = left;
00113
00114 if (dpi->zoom != ZOOM_LVL_NORMAL) return;
00115 if (left > right || top > bottom) return;
00116 if (right < dpi->left || left >= dpi->left + dpi->width) return;
00117 if (bottom < dpi->top || top >= dpi->top + dpi->height) return;
00118
00119 if ( (left -= dpi->left) < 0) left = 0;
00120 right = right - dpi->left + 1;
00121 if (right > dpi->width) right = dpi->width;
00122 right -= left;
00123 assert(right > 0);
00124
00125 if ( (top -= dpi->top) < 0) top = 0;
00126 bottom = bottom - dpi->top + 1;
00127 if (bottom > dpi->height) bottom = dpi->height;
00128 bottom -= top;
00129 assert(bottom > 0);
00130
00131 dst = blitter->MoveTo(dpi->dst_ptr, left, top);
00132
00133 switch (mode) {
00134 default:
00135 blitter->DrawRect(dst, right, bottom, (uint8)colour);
00136 break;
00137
00138 case FILLRECT_RECOLOUR:
00139 blitter->DrawColourMappingRect(dst, right, bottom, GB(colour, 0, PALETTE_WIDTH));
00140 break;
00141
00142 case FILLRECT_CHECKER: {
00143 byte bo = (oleft - left + dpi->left + otop - top + dpi->top) & 1;
00144 do {
00145 for (int i = (bo ^= 1); i < right; i += 2) blitter->SetPixel(dst, i, 0, (uint8)colour);
00146 dst = blitter->MoveTo(dst, 0, 1);
00147 } while (--bottom > 0);
00148 break;
00149 }
00150 }
00151 }
00152
00167 static inline void GfxDoDrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour, int width, int dash = 0)
00168 {
00169 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00170
00171 assert(width > 0);
00172
00173 if (y2 == y) {
00174
00175 blitter->DrawLine(video,
00176 Clamp(x, 0, screen_width), y,
00177 Clamp(x2, 0, screen_width), y2,
00178 screen_width, screen_height, colour, width, dash);
00179 return;
00180 }
00181 if (x2 == x) {
00182
00183 blitter->DrawLine(video,
00184 x, Clamp(y, 0, screen_height),
00185 x2, Clamp(y2, 0, screen_height),
00186 screen_width, screen_height, colour, width, dash);
00187 return;
00188 }
00189
00190 int grade_y = y2 - y;
00191 int grade_x = x2 - x;
00192
00193
00194 int margin = 1;
00195 while (INT_MAX / abs(grade_y) < max(abs(x), abs(screen_width - x))) {
00196 grade_y /= 2;
00197 grade_x /= 2;
00198 margin *= 2;
00199 }
00200
00201
00202
00203 int offset_0 = y - x * grade_y / grade_x;
00204 int offset_width = y + (screen_width - x) * grade_y / grade_x;
00205 if ((offset_0 > screen_height + width / 2 + margin && offset_width > screen_height + width / 2 + margin) ||
00206 (offset_0 < -width / 2 - margin && offset_width < -width / 2 - margin)) {
00207 return;
00208 }
00209
00210
00211
00212
00213
00214
00215
00216 blitter->DrawLine(video, x, y, x2, y2, screen_width, screen_height, colour, width, dash);
00217 }
00218
00230 static inline bool GfxPreprocessLine(DrawPixelInfo *dpi, int &x, int &y, int &x2, int &y2, int width)
00231 {
00232 x -= dpi->left;
00233 x2 -= dpi->left;
00234 y -= dpi->top;
00235 y2 -= dpi->top;
00236
00237
00238 if (x + width / 2 < 0 && x2 + width / 2 < 0 ) return false;
00239 if (y + width / 2 < 0 && y2 + width / 2 < 0 ) return false;
00240 if (x - width / 2 > dpi->width && x2 - width / 2 > dpi->width ) return false;
00241 if (y - width / 2 > dpi->height && y2 - width / 2 > dpi->height) return false;
00242 return true;
00243 }
00244
00245 void GfxDrawLine(int x, int y, int x2, int y2, int colour, int width, int dash)
00246 {
00247 DrawPixelInfo *dpi = _cur_dpi;
00248 if (GfxPreprocessLine(dpi, x, y, x2, y2, width)) {
00249 GfxDoDrawLine(dpi->dst_ptr, x, y, x2, y2, dpi->width, dpi->height, colour, width, dash);
00250 }
00251 }
00252
00253 void GfxDrawLineUnscaled(int x, int y, int x2, int y2, int colour)
00254 {
00255 DrawPixelInfo *dpi = _cur_dpi;
00256 if (GfxPreprocessLine(dpi, x, y, x2, y2, 1)) {
00257 GfxDoDrawLine(dpi->dst_ptr,
00258 UnScaleByZoom(x, dpi->zoom), UnScaleByZoom(y, dpi->zoom),
00259 UnScaleByZoom(x2, dpi->zoom), UnScaleByZoom(y2, dpi->zoom),
00260 UnScaleByZoom(dpi->width, dpi->zoom), UnScaleByZoom(dpi->height, dpi->zoom), colour, 1);
00261 }
00262 }
00263
00277 void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3)
00278 {
00279
00280
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00289
00290
00291
00292
00293
00294 static const byte colour = PC_WHITE;
00295
00296 GfxDrawLineUnscaled(x, y, x + dx1, y + dy1, colour);
00297 GfxDrawLineUnscaled(x, y, x + dx2, y + dy2, colour);
00298 GfxDrawLineUnscaled(x, y, x + dx3, y + dy3, colour);
00299
00300 GfxDrawLineUnscaled(x + dx1, y + dy1, x + dx1 + dx2, y + dy1 + dy2, colour);
00301 GfxDrawLineUnscaled(x + dx1, y + dy1, x + dx1 + dx3, y + dy1 + dy3, colour);
00302 GfxDrawLineUnscaled(x + dx2, y + dy2, x + dx2 + dx1, y + dy2 + dy1, colour);
00303 GfxDrawLineUnscaled(x + dx2, y + dy2, x + dx2 + dx3, y + dy2 + dy3, colour);
00304 GfxDrawLineUnscaled(x + dx3, y + dy3, x + dx3 + dx1, y + dy3 + dy1, colour);
00305 GfxDrawLineUnscaled(x + dx3, y + dy3, x + dx3 + dx2, y + dy3 + dy2, colour);
00306 }
00307
00312 static void SetColourRemap(TextColour colour)
00313 {
00314 if (colour == TC_INVALID) return;
00315
00316
00317
00318 bool no_shade = (colour & TC_NO_SHADE) != 0 || colour == TC_BLACK;
00319 bool raw_colour = (colour & TC_IS_PALETTE_COLOUR) != 0;
00320 colour &= ~(TC_NO_SHADE | TC_IS_PALETTE_COLOUR);
00321
00322 _string_colourremap[1] = raw_colour ? (byte)colour : _string_colourmap[colour];
00323 _string_colourremap[2] = no_shade ? 0 : 1;
00324 _colour_remap_ptr = _string_colourremap;
00325 }
00326
00342 static int DrawLayoutLine(const ParagraphLayouter::Line *line, int y, int left, int right, StringAlignment align, bool underline, bool truncation)
00343 {
00344 if (line->CountRuns() == 0) return 0;
00345
00346 int w = line->GetWidth();
00347 int h = line->GetLeading();
00348
00349
00350
00351
00352
00353
00354
00355
00356
00357
00358
00359
00360
00361 int max_w = right - left + 1;
00362
00363 int offset_x = 0;
00364 int min_x = left;
00365 int max_x = right;
00366
00367 truncation &= max_w < w;
00368 int dot_width = 0;
00369 const Sprite *dot_sprite = NULL;
00370
00371 if (truncation) {
00372
00373
00374
00375
00376
00377
00378 FontCache *fc = ((const Font*)line->GetVisualRun(0)->GetFont())->fc;
00379 GlyphID dot_glyph = fc->MapCharToGlyph('.');
00380 dot_width = fc->GetGlyphWidth(dot_glyph);
00381 dot_sprite = fc->GetGlyph(dot_glyph);
00382
00383 if (_current_text_dir == TD_RTL) {
00384 min_x += 3 * dot_width;
00385 offset_x = w - 3 * dot_width - max_w;
00386 } else {
00387 max_x -= 3 * dot_width;
00388 }
00389
00390 w = max_w;
00391 }
00392
00393
00394 if (!(align & SA_FORCE) && _current_text_dir == TD_RTL && (align & SA_HOR_MASK) != SA_HOR_CENTER) align ^= SA_RIGHT;
00395
00396
00397
00398
00399
00400
00401 switch (align & SA_HOR_MASK) {
00402 case SA_LEFT:
00403
00404 right = left + w - 1;
00405 break;
00406
00407 case SA_HOR_CENTER:
00408 left = RoundDivSU(right + 1 + left - w, 2);
00409
00410 right = left + w - 1;
00411 break;
00412
00413 case SA_RIGHT:
00414 left = right + 1 - w;
00415 break;
00416
00417 default:
00418 NOT_REACHED();
00419 }
00420
00421 for (int run_index = 0; run_index < line->CountRuns(); run_index++) {
00422 const ParagraphLayouter::VisualRun *run = line->GetVisualRun(run_index);
00423 const Font *f = (const Font*)run->GetFont();
00424
00425 FontCache *fc = f->fc;
00426 TextColour colour = f->colour;
00427 SetColourRemap(colour);
00428
00429 DrawPixelInfo *dpi = _cur_dpi;
00430 int dpi_left = dpi->left;
00431 int dpi_right = dpi->left + dpi->width - 1;
00432
00433 bool draw_shadow = fc->GetDrawGlyphShadow() && colour != TC_BLACK;
00434
00435 for (int i = 0; i < run->GetGlyphCount(); i++) {
00436 GlyphID glyph = run->GetGlyphs()[i];
00437
00438
00439 if (glyph == 0xFFFF) continue;
00440
00441 int begin_x = (int)run->GetPositions()[i * 2] + left - offset_x;
00442 int end_x = (int)run->GetPositions()[i * 2 + 2] + left - offset_x - 1;
00443 int top = (int)run->GetPositions()[i * 2 + 1] + y;
00444
00445
00446 if (truncation && (begin_x < min_x || end_x > max_x)) continue;
00447
00448 const Sprite *sprite = fc->GetGlyph(glyph);
00449
00450 if (begin_x + sprite->x_offs > dpi_right || begin_x + sprite->x_offs + sprite->width < dpi_left) continue;
00451
00452 if (draw_shadow && (glyph & SPRITE_GLYPH) == 0) {
00453 SetColourRemap(TC_BLACK);
00454 GfxMainBlitter(sprite, begin_x + 1, top + 1, BM_COLOUR_REMAP);
00455 SetColourRemap(colour);
00456 }
00457 GfxMainBlitter(sprite, begin_x, top, BM_COLOUR_REMAP);
00458 }
00459 }
00460
00461 if (truncation) {
00462 int x = (_current_text_dir == TD_RTL) ? left : (right - 3 * dot_width);
00463 for (int i = 0; i < 3; i++, x += dot_width) {
00464 GfxMainBlitter(dot_sprite, x, y, BM_COLOUR_REMAP);
00465 }
00466 }
00467
00468 if (underline) {
00469 GfxFillRect(left, y + h, right, y + h, _string_colourremap[1]);
00470 }
00471
00472 return (align & SA_HOR_MASK) == SA_RIGHT ? left : right;
00473 }
00474
00491 int DrawString(int left, int right, int top, const char *str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize)
00492 {
00493
00494 int max_height = max(max(FONT_HEIGHT_SMALL, FONT_HEIGHT_NORMAL), max(FONT_HEIGHT_LARGE, FONT_HEIGHT_MONO));
00495
00496
00497 int extra = max_height / 2;
00498
00499 if (_cur_dpi->top + _cur_dpi->height + extra < top || _cur_dpi->top > top + max_height + extra ||
00500 _cur_dpi->left + _cur_dpi->width + extra < left || _cur_dpi->left > right + extra) {
00501 return 0;
00502 }
00503
00504 Layouter layout(str, INT32_MAX, colour, fontsize);
00505 if (layout.Length() == 0) return 0;
00506
00507 return DrawLayoutLine(*layout.Begin(), top, left, right, align, underline, true);
00508 }
00509
00526 int DrawString(int left, int right, int top, StringID str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize)
00527 {
00528 char buffer[DRAW_STRING_BUFFER];
00529 GetString(buffer, str, lastof(buffer));
00530 return DrawString(left, right, top, buffer, colour, align, underline, fontsize);
00531 }
00532
00539 int GetStringHeight(const char *str, int maxw, FontSize fontsize)
00540 {
00541 Layouter layout(str, maxw, TC_FROMSTRING, fontsize);
00542 return layout.GetBounds().height;
00543 }
00544
00551 int GetStringHeight(StringID str, int maxw)
00552 {
00553 char buffer[DRAW_STRING_BUFFER];
00554 GetString(buffer, str, lastof(buffer));
00555 return GetStringHeight(buffer, maxw);
00556 }
00557
00564 int GetStringLineCount(StringID str, int maxw)
00565 {
00566 char buffer[DRAW_STRING_BUFFER];
00567 GetString(buffer, str, lastof(buffer));
00568
00569 Layouter layout(buffer, maxw);
00570 return layout.Length();
00571 }
00572
00579 Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestion)
00580 {
00581 Dimension box = {suggestion.width, GetStringHeight(str, suggestion.width)};
00582 return box;
00583 }
00584
00591 Dimension GetStringMultiLineBoundingBox(const char *str, const Dimension &suggestion)
00592 {
00593 Dimension box = {suggestion.width, GetStringHeight(str, suggestion.width)};
00594 return box;
00595 }
00596
00612 int DrawStringMultiLine(int left, int right, int top, int bottom, const char *str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize)
00613 {
00614 int maxw = right - left + 1;
00615 int maxh = bottom - top + 1;
00616
00617
00618
00619 if (maxh <= 0) return top;
00620
00621 Layouter layout(str, maxw, colour, fontsize);
00622 int total_height = layout.GetBounds().height;
00623 int y;
00624 switch (align & SA_VERT_MASK) {
00625 case SA_TOP:
00626 y = top;
00627 break;
00628
00629 case SA_VERT_CENTER:
00630 y = RoundDivSU(bottom + top - total_height, 2);
00631 break;
00632
00633 case SA_BOTTOM:
00634 y = bottom - total_height;
00635 break;
00636
00637 default: NOT_REACHED();
00638 }
00639
00640 int last_line = top;
00641 int first_line = bottom;
00642
00643 for (const ParagraphLayouter::Line **iter = layout.Begin(); iter != layout.End(); iter++) {
00644 const ParagraphLayouter::Line *line = *iter;
00645
00646 int line_height = line->GetLeading();
00647 if (y >= top && y < bottom) {
00648 last_line = y + line_height;
00649 if (first_line > y) first_line = y;
00650
00651 DrawLayoutLine(line, y, left, right, align, underline, false);
00652 }
00653 y += line_height;
00654 }
00655
00656 return ((align & SA_VERT_MASK) == SA_BOTTOM) ? first_line : last_line;
00657 }
00658
00674 int DrawStringMultiLine(int left, int right, int top, int bottom, StringID str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize)
00675 {
00676 char buffer[DRAW_STRING_BUFFER];
00677 GetString(buffer, str, lastof(buffer));
00678 return DrawStringMultiLine(left, right, top, bottom, buffer, colour, align, underline, fontsize);
00679 }
00680
00691 Dimension GetStringBoundingBox(const char *str, FontSize start_fontsize)
00692 {
00693 Layouter layout(str, INT32_MAX, TC_FROMSTRING, start_fontsize);
00694 return layout.GetBounds();
00695 }
00696
00703 Dimension GetStringBoundingBox(StringID strid)
00704 {
00705 char buffer[DRAW_STRING_BUFFER];
00706
00707 GetString(buffer, strid, lastof(buffer));
00708 return GetStringBoundingBox(buffer);
00709 }
00710
00719 Point GetCharPosInString(const char *str, const char *ch, FontSize start_fontsize)
00720 {
00721 Layouter layout(str, INT32_MAX, TC_FROMSTRING, start_fontsize);
00722 return layout.GetCharPosition(ch);
00723 }
00724
00732 const char *GetCharAtPosition(const char *str, int x, FontSize start_fontsize)
00733 {
00734 if (x < 0) return NULL;
00735
00736 Layouter layout(str, INT32_MAX, TC_FROMSTRING, start_fontsize);
00737 return layout.GetCharAtPosition(x);
00738 }
00739
00747 void DrawCharCentered(WChar c, int x, int y, TextColour colour)
00748 {
00749 SetColourRemap(colour);
00750 GfxMainBlitter(GetGlyph(FS_NORMAL, c), x - GetCharacterWidth(FS_NORMAL, c) / 2, y, BM_COLOUR_REMAP);
00751 }
00752
00760 Dimension GetSpriteSize(SpriteID sprid, Point *offset, ZoomLevel zoom)
00761 {
00762 const Sprite *sprite = GetSprite(sprid, ST_NORMAL);
00763
00764 if (offset != NULL) {
00765 offset->x = UnScaleByZoom(sprite->x_offs, zoom);
00766 offset->y = UnScaleByZoom(sprite->y_offs, zoom);
00767 }
00768
00769 Dimension d;
00770 d.width = max<int>(0, UnScaleByZoom(sprite->x_offs + sprite->width, zoom));
00771 d.height = max<int>(0, UnScaleByZoom(sprite->y_offs + sprite->height, zoom));
00772 return d;
00773 }
00774
00783 void DrawSpriteViewport(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub)
00784 {
00785 SpriteID real_sprite = GB(img, 0, SPRITE_WIDTH);
00786 if (HasBit(img, PALETTE_MODIFIER_TRANSPARENT)) {
00787 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
00788 GfxMainBlitterViewport(GetSprite(real_sprite, ST_NORMAL), x, y, BM_TRANSPARENT, sub, real_sprite);
00789 } else if (pal != PAL_NONE) {
00790 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
00791 GfxMainBlitterViewport(GetSprite(real_sprite, ST_NORMAL), x, y, BM_COLOUR_REMAP, sub, real_sprite);
00792 } else {
00793 GfxMainBlitterViewport(GetSprite(real_sprite, ST_NORMAL), x, y, BM_NORMAL, sub, real_sprite);
00794 }
00795 }
00796
00806 void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub, ZoomLevel zoom)
00807 {
00808 SpriteID real_sprite = GB(img, 0, SPRITE_WIDTH);
00809 if (HasBit(img, PALETTE_MODIFIER_TRANSPARENT)) {
00810 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
00811 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_TRANSPARENT, sub, real_sprite, zoom);
00812 } else if (pal != PAL_NONE) {
00813 _colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), ST_RECOLOUR) + 1;
00814 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_COLOUR_REMAP, sub, real_sprite, zoom);
00815 } else {
00816 GfxMainBlitter(GetSprite(real_sprite, ST_NORMAL), x, y, BM_NORMAL, sub, real_sprite, zoom);
00817 }
00818 }
00819
00820 static void GfxMainBlitterViewport(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub, SpriteID sprite_id)
00821 {
00822 const DrawPixelInfo *dpi = _cur_dpi;
00823 Blitter::BlitterParams bp;
00824
00825
00826 int clip_left = (sub != NULL ? max(0, -sprite->x_offs + sub->left * ZOOM_LVL_BASE ) : 0);
00827 int clip_top = (sub != NULL ? max(0, -sprite->y_offs + sub->top * ZOOM_LVL_BASE ) : 0);
00828 int clip_right = (sub != NULL ? max(0, sprite->width - (-sprite->x_offs + (sub->right + 1) * ZOOM_LVL_BASE)) : 0);
00829 int clip_bottom = (sub != NULL ? max(0, sprite->height - (-sprite->y_offs + (sub->bottom + 1) * ZOOM_LVL_BASE)) : 0);
00830
00831 if (clip_left + clip_right >= sprite->width) return;
00832 if (clip_top + clip_bottom >= sprite->height) return;
00833
00834
00835 x += sprite->x_offs;
00836 y += sprite->y_offs;
00837
00838
00839 bp.sprite = sprite->data;
00840 bp.sprite_width = sprite->width;
00841 bp.sprite_height = sprite->height;
00842 bp.width = UnScaleByZoom(sprite->width - clip_left - clip_right, dpi->zoom);
00843 bp.height = UnScaleByZoom(sprite->height - clip_top - clip_bottom, dpi->zoom);
00844 bp.top = 0;
00845 bp.left = 0;
00846 bp.skip_left = UnScaleByZoomLower(clip_left, dpi->zoom);
00847 bp.skip_top = UnScaleByZoomLower(clip_top, dpi->zoom);
00848
00849 x += ScaleByZoom(bp.skip_left, dpi->zoom);
00850 y += ScaleByZoom(bp.skip_top, dpi->zoom);
00851
00852 bp.dst = dpi->dst_ptr;
00853 bp.pitch = dpi->pitch;
00854 bp.remap = _colour_remap_ptr;
00855
00856 assert(sprite->width > 0);
00857 assert(sprite->height > 0);
00858
00859 if (bp.width <= 0) return;
00860 if (bp.height <= 0) return;
00861
00862 y -= dpi->top;
00863
00864 if (y < 0) {
00865 bp.height -= -UnScaleByZoom(y, dpi->zoom);
00866 if (bp.height <= 0) return;
00867 bp.skip_top += -UnScaleByZoom(y, dpi->zoom);
00868 y = 0;
00869 } else {
00870 bp.top = UnScaleByZoom(y, dpi->zoom);
00871 }
00872
00873
00874 y += ScaleByZoom(bp.height, dpi->zoom) - dpi->height;
00875 if (y > 0) {
00876 bp.height -= UnScaleByZoom(y, dpi->zoom);
00877 if (bp.height <= 0) return;
00878 }
00879
00880 x -= dpi->left;
00881
00882 if (x < 0) {
00883 bp.width -= -UnScaleByZoom(x, dpi->zoom);
00884 if (bp.width <= 0) return;
00885 bp.skip_left += -UnScaleByZoom(x, dpi->zoom);
00886 x = 0;
00887 } else {
00888 bp.left = UnScaleByZoom(x, dpi->zoom);
00889 }
00890
00891
00892 x += ScaleByZoom(bp.width, dpi->zoom) - dpi->width;
00893 if (x > 0) {
00894 bp.width -= UnScaleByZoom(x, dpi->zoom);
00895 if (bp.width <= 0) return;
00896 }
00897
00898 assert(bp.skip_left + bp.width <= UnScaleByZoom(sprite->width, dpi->zoom));
00899 assert(bp.skip_top + bp.height <= UnScaleByZoom(sprite->height, dpi->zoom));
00900
00901
00902 if (_newgrf_debug_sprite_picker.mode == SPM_REDRAW && sprite_id != SPR_CURSOR_MOUSE) {
00903 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00904 void *topleft = blitter->MoveTo(bp.dst, bp.left, bp.top);
00905 void *bottomright = blitter->MoveTo(topleft, bp.width - 1, bp.height - 1);
00906
00907 void *clicked = _newgrf_debug_sprite_picker.clicked_pixel;
00908
00909 if (topleft <= clicked && clicked <= bottomright) {
00910 uint offset = (((size_t)clicked - (size_t)topleft) / (blitter->GetScreenDepth() / 8)) % bp.pitch;
00911 if (offset < (uint)bp.width) {
00912 _newgrf_debug_sprite_picker.sprites.Include(sprite_id);
00913 }
00914 }
00915 }
00916
00917 BlitterFactoryBase::GetCurrentBlitter()->Draw(&bp, mode, dpi->zoom);
00918 }
00919
00920 static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub, SpriteID sprite_id, ZoomLevel zoom)
00921 {
00922 const DrawPixelInfo *dpi = _cur_dpi;
00923 Blitter::BlitterParams bp;
00924
00925
00926 int clip_left = (sub != NULL ? max(0, -sprite->x_offs + sub->left ) : 0);
00927 int clip_top = (sub != NULL ? max(0, -sprite->y_offs + sub->top ) : 0);
00928 int clip_right = (sub != NULL ? max(0, sprite->width - (-sprite->x_offs + sub->right + 1)) : 0);
00929 int clip_bottom = (sub != NULL ? max(0, sprite->height - (-sprite->y_offs + sub->bottom + 1)) : 0);
00930
00931 if (clip_left + clip_right >= sprite->width) return;
00932 if (clip_top + clip_bottom >= sprite->height) return;
00933
00934
00935 x = ScaleByZoom(x, zoom);
00936 y = ScaleByZoom(y, zoom);
00937
00938
00939 x += sprite->x_offs;
00940 y += sprite->y_offs;
00941
00942
00943 bp.sprite = sprite->data;
00944 bp.sprite_width = sprite->width;
00945 bp.sprite_height = sprite->height;
00946 bp.width = UnScaleByZoom(sprite->width - clip_left - clip_right, zoom);
00947 bp.height = UnScaleByZoom(sprite->height - clip_top - clip_bottom, zoom);
00948 bp.top = 0;
00949 bp.left = 0;
00950 bp.skip_left = UnScaleByZoomLower(clip_left, zoom);
00951 bp.skip_top = UnScaleByZoomLower(clip_top, zoom);
00952
00953 x += ScaleByZoom(bp.skip_left, zoom);
00954 y += ScaleByZoom(bp.skip_top, zoom);
00955
00956 bp.dst = dpi->dst_ptr;
00957 bp.pitch = dpi->pitch;
00958 bp.remap = _colour_remap_ptr;
00959
00960 assert(sprite->width > 0);
00961 assert(sprite->height > 0);
00962
00963 if (bp.width <= 0) return;
00964 if (bp.height <= 0) return;
00965
00966 y -= ScaleByZoom(dpi->top, zoom);
00967
00968 if (y < 0) {
00969 bp.height -= -UnScaleByZoom(y, zoom);
00970 if (bp.height <= 0) return;
00971 bp.skip_top += -UnScaleByZoom(y, zoom);
00972 y = 0;
00973 } else {
00974 bp.top = UnScaleByZoom(y, zoom);
00975 }
00976
00977
00978 y += ScaleByZoom(bp.height - dpi->height, zoom);
00979 if (y > 0) {
00980 bp.height -= UnScaleByZoom(y, zoom);
00981 if (bp.height <= 0) return;
00982 }
00983
00984 x -= ScaleByZoom(dpi->left, zoom);
00985
00986 if (x < 0) {
00987 bp.width -= -UnScaleByZoom(x, zoom);
00988 if (bp.width <= 0) return;
00989 bp.skip_left += -UnScaleByZoom(x, zoom);
00990 x = 0;
00991 } else {
00992 bp.left = UnScaleByZoom(x, zoom);
00993 }
00994
00995
00996 x += ScaleByZoom(bp.width - dpi->width, zoom);
00997 if (x > 0) {
00998 bp.width -= UnScaleByZoom(x, zoom);
00999 if (bp.width <= 0) return;
01000 }
01001
01002 assert(bp.skip_left + bp.width <= UnScaleByZoom(sprite->width, zoom));
01003 assert(bp.skip_top + bp.height <= UnScaleByZoom(sprite->height, zoom));
01004
01005
01006 if (_newgrf_debug_sprite_picker.mode == SPM_REDRAW && sprite_id != SPR_CURSOR_MOUSE) {
01007 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01008 void *topleft = blitter->MoveTo(bp.dst, bp.left, bp.top);
01009 void *bottomright = blitter->MoveTo(topleft, bp.width - 1, bp.height - 1);
01010
01011 void *clicked = _newgrf_debug_sprite_picker.clicked_pixel;
01012
01013 if (topleft <= clicked && clicked <= bottomright) {
01014 uint offset = (((size_t)clicked - (size_t)topleft) / (blitter->GetScreenDepth() / 8)) % bp.pitch;
01015 if (offset < (uint)bp.width) {
01016 _newgrf_debug_sprite_picker.sprites.Include(sprite_id);
01017 }
01018 }
01019 }
01020
01021 BlitterFactoryBase::GetCurrentBlitter()->Draw(&bp, mode, zoom);
01022 }
01023
01024 void DoPaletteAnimations();
01025
01026 void GfxInitPalettes()
01027 {
01028 memcpy(&_cur_palette, &_palette, sizeof(_cur_palette));
01029 DoPaletteAnimations();
01030 }
01031
01032 #define EXTR(p, q) (((uint16)(palette_animation_counter * (p)) * (q)) >> 16)
01033 #define EXTR2(p, q) (((uint16)(~palette_animation_counter * (p)) * (q)) >> 16)
01034
01035 void DoPaletteAnimations()
01036 {
01037
01038 static int palette_animation_counter = 0;
01039 palette_animation_counter += 8;
01040
01041 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01042 const Colour *s;
01043 const ExtraPaletteValues *ev = &_extra_palette_values;
01044 Colour old_val[PALETTE_ANIM_SIZE];
01045 const uint old_tc = palette_animation_counter;
01046 uint i;
01047 uint j;
01048
01049 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01050 palette_animation_counter = 0;
01051 }
01052
01053 Colour *palette_pos = &_cur_palette.palette[PALETTE_ANIM_START];
01054
01055
01056 memcpy(old_val, palette_pos, sizeof(old_val));
01057
01058
01059 s = ev->fizzy_drink;
01060 j = EXTR2(512, EPV_CYCLES_FIZZY_DRINK);
01061 for (i = 0; i != EPV_CYCLES_FIZZY_DRINK; i++) {
01062 *palette_pos++ = s[j];
01063 j++;
01064 if (j == EPV_CYCLES_FIZZY_DRINK) j = 0;
01065 }
01066
01067
01068 s = ev->oil_refinery;
01069 j = EXTR2(512, EPV_CYCLES_OIL_REFINERY);
01070 for (i = 0; i != EPV_CYCLES_OIL_REFINERY; i++) {
01071 *palette_pos++ = s[j];
01072 j++;
01073 if (j == EPV_CYCLES_OIL_REFINERY) j = 0;
01074 }
01075
01076
01077 {
01078 byte i = (palette_animation_counter >> 1) & 0x7F;
01079 byte v;
01080
01081 if (i < 0x3f) {
01082 v = 255;
01083 } else if (i < 0x4A || i >= 0x75) {
01084 v = 128;
01085 } else {
01086 v = 20;
01087 }
01088 palette_pos->r = v;
01089 palette_pos->g = 0;
01090 palette_pos->b = 0;
01091 palette_pos++;
01092
01093 i ^= 0x40;
01094 if (i < 0x3f) {
01095 v = 255;
01096 } else if (i < 0x4A || i >= 0x75) {
01097 v = 128;
01098 } else {
01099 v = 20;
01100 }
01101 palette_pos->r = v;
01102 palette_pos->g = 0;
01103 palette_pos->b = 0;
01104 palette_pos++;
01105 }
01106
01107
01108 s = ev->lighthouse;
01109 j = EXTR(256, EPV_CYCLES_LIGHTHOUSE);
01110 for (i = 0; i != EPV_CYCLES_LIGHTHOUSE; i++) {
01111 *palette_pos++ = s[j];
01112 j++;
01113 if (j == EPV_CYCLES_LIGHTHOUSE) j = 0;
01114 }
01115
01116
01117 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->dark_water_toyland : ev->dark_water;
01118 j = EXTR(320, EPV_CYCLES_DARK_WATER);
01119 for (i = 0; i != EPV_CYCLES_DARK_WATER; i++) {
01120 *palette_pos++ = s[j];
01121 j++;
01122 if (j == EPV_CYCLES_DARK_WATER) j = 0;
01123 }
01124
01125
01126 s = (_settings_game.game_creation.landscape == LT_TOYLAND) ? ev->glitter_water_toyland : ev->glitter_water;
01127 j = EXTR(128, EPV_CYCLES_GLITTER_WATER);
01128 for (i = 0; i != EPV_CYCLES_GLITTER_WATER / 3; i++) {
01129 *palette_pos++ = s[j];
01130 j += 3;
01131 if (j >= EPV_CYCLES_GLITTER_WATER) j -= EPV_CYCLES_GLITTER_WATER;
01132 }
01133
01134 if (blitter != NULL && blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_NONE) {
01135 palette_animation_counter = old_tc;
01136 } else {
01137 if (memcmp(old_val, &_cur_palette.palette[PALETTE_ANIM_START], sizeof(old_val)) != 0 && _cur_palette.count_dirty == 0) {
01138
01139 _cur_palette.first_dirty = PALETTE_ANIM_START;
01140 _cur_palette.count_dirty = PALETTE_ANIM_SIZE;
01141 }
01142 }
01143 }
01144
01150 TextColour GetContrastColour(uint8 background)
01151 {
01152 Colour c = _cur_palette.palette[background];
01153
01154
01155 uint sq1000_brightness = c.r * c.r * 299 + c.g * c.g * 587 + c.b * c.b * 114;
01156
01157 return sq1000_brightness < 128 * 128 * 1000 ? TC_WHITE : TC_BLACK;
01158 }
01159
01164 void LoadStringWidthTable(bool monospace)
01165 {
01166 for (FontSize fs = monospace ? FS_MONO : FS_BEGIN; fs < (monospace ? FS_END : FS_MONO); fs++) {
01167 for (uint i = 0; i != 224; i++) {
01168 _stringwidth_table[fs][i] = GetGlyphWidth(fs, i + 32);
01169 }
01170 }
01171
01172 ReInitAllWindows();
01173 }
01174
01181 byte GetCharacterWidth(FontSize size, WChar key)
01182 {
01183
01184 if (key >= 32 && key < 256) return _stringwidth_table[size][key - 32];
01185
01186 return GetGlyphWidth(size, key);
01187 }
01188
01194 byte GetDigitWidth(FontSize size)
01195 {
01196 byte width = 0;
01197 for (char c = '0'; c <= '9'; c++) {
01198 width = max(GetCharacterWidth(size, c), width);
01199 }
01200 return width;
01201 }
01202
01209 void GetBroadestDigit(uint *front, uint *next, FontSize size)
01210 {
01211 int width = -1;
01212 for (char c = '9'; c >= '0'; c--) {
01213 int w = GetCharacterWidth(size, c);
01214 if (w > width) {
01215 width = w;
01216 *next = c - '0';
01217 if (c != '0') *front = c - '0';
01218 }
01219 }
01220 }
01221
01222 void ScreenSizeChanged()
01223 {
01224 _dirty_bytes_per_line = CeilDiv(_screen.width, DIRTY_BLOCK_WIDTH);
01225 _dirty_blocks = ReallocT<byte>(_dirty_blocks, _dirty_bytes_per_line * CeilDiv(_screen.height, DIRTY_BLOCK_HEIGHT));
01226
01227
01228 if (_invalid_rect.right >= _screen.width) _invalid_rect.right = _screen.width;
01229 if (_invalid_rect.bottom >= _screen.height) _invalid_rect.bottom = _screen.height;
01230
01231
01232 _cursor.visible = false;
01233 }
01234
01235 void UndrawMouseCursor()
01236 {
01237
01238 if (_screen.dst_ptr == NULL) return;
01239
01240 if (_cursor.visible) {
01241 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01242 _cursor.visible = false;
01243 blitter->CopyFromBuffer(blitter->MoveTo(_screen.dst_ptr, _cursor.draw_pos.x, _cursor.draw_pos.y), _cursor_backup.GetBuffer(), _cursor.draw_size.x, _cursor.draw_size.y);
01244 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01245 }
01246 }
01247
01248 void DrawMouseCursor()
01249 {
01250 #if defined(WINCE)
01251
01252 return;
01253 #endif
01254
01255
01256 if (_screen.dst_ptr == NULL) return;
01257
01258 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01259 int x;
01260 int y;
01261 int w;
01262 int h;
01263
01264
01265 if (!_cursor.in_window) return;
01266
01267
01268 if (_cursor.visible) {
01269 if (!_cursor.dirty) return;
01270 UndrawMouseCursor();
01271 }
01272
01273 w = _cursor.size.x;
01274 x = _cursor.pos.x + _cursor.offs.x + _cursor.short_vehicle_offset;
01275 if (x < 0) {
01276 w += x;
01277 x = 0;
01278 }
01279 if (w > _screen.width - x) w = _screen.width - x;
01280 if (w <= 0) return;
01281 _cursor.draw_pos.x = x;
01282 _cursor.draw_size.x = w;
01283
01284 h = _cursor.size.y;
01285 y = _cursor.pos.y + _cursor.offs.y;
01286 if (y < 0) {
01287 h += y;
01288 y = 0;
01289 }
01290 if (h > _screen.height - y) h = _screen.height - y;
01291 if (h <= 0) return;
01292 _cursor.draw_pos.y = y;
01293 _cursor.draw_size.y = h;
01294
01295 uint8 *buffer = _cursor_backup.Allocate(blitter->BufferSize(w, h));
01296
01297
01298 blitter->CopyToBuffer(blitter->MoveTo(_screen.dst_ptr, _cursor.draw_pos.x, _cursor.draw_pos.y), buffer, _cursor.draw_size.x, _cursor.draw_size.y);
01299
01300
01301 _cur_dpi = &_screen;
01302 DrawSprite(_cursor.sprite, _cursor.pal, _cursor.pos.x + _cursor.short_vehicle_offset, _cursor.pos.y);
01303
01304 _video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
01305
01306 _cursor.visible = true;
01307 _cursor.dirty = false;
01308 }
01309
01310 void RedrawScreenRect(int left, int top, int right, int bottom)
01311 {
01312 assert(right <= _screen.width && bottom <= _screen.height);
01313 if (_cursor.visible) {
01314 if (right > _cursor.draw_pos.x &&
01315 left < _cursor.draw_pos.x + _cursor.draw_size.x &&
01316 bottom > _cursor.draw_pos.y &&
01317 top < _cursor.draw_pos.y + _cursor.draw_size.y) {
01318 UndrawMouseCursor();
01319 }
01320 }
01321
01322 #ifdef ENABLE_NETWORK
01323 if (_networking) NetworkUndrawChatMessage();
01324 #endif
01325
01326 DrawOverlappedWindowForAll(left, top, right, bottom);
01327
01328 _video_driver->MakeDirty(left, top, right - left, bottom - top);
01329 }
01330
01336 void DrawDirtyBlocks()
01337 {
01338 byte *b = _dirty_blocks;
01339 const int w = Align(_screen.width, DIRTY_BLOCK_WIDTH);
01340 const int h = Align(_screen.height, DIRTY_BLOCK_HEIGHT);
01341 int x;
01342 int y;
01343
01344 if (HasModalProgress()) {
01345
01346
01347 _modal_progress_paint_mutex->EndCritical();
01348 _modal_progress_work_mutex->EndCritical();
01349
01350
01351 if (!IsFirstModalProgressLoop()) CSleep(MODAL_PROGRESS_REDRAW_TIMEOUT);
01352 _realtime_tick += MODAL_PROGRESS_REDRAW_TIMEOUT;
01353 _modal_progress_paint_mutex->BeginCritical();
01354 _modal_progress_work_mutex->BeginCritical();
01355
01356
01357
01358
01359
01360 if (_switch_mode != SM_NONE && !HasModalProgress()) return;
01361 }
01362
01363 y = 0;
01364 do {
01365 x = 0;
01366 do {
01367 if (*b != 0) {
01368 int left;
01369 int top;
01370 int right = x + DIRTY_BLOCK_WIDTH;
01371 int bottom = y;
01372 byte *p = b;
01373 int h2;
01374
01375
01376 do {
01377 *p = 0;
01378 p += _dirty_bytes_per_line;
01379 bottom += DIRTY_BLOCK_HEIGHT;
01380 } while (bottom != h && *p != 0);
01381
01382
01383 h2 = (bottom - y) / DIRTY_BLOCK_HEIGHT;
01384 assert(h2 > 0);
01385 p = b;
01386
01387 while (right != w) {
01388 byte *p2 = ++p;
01389 int h = h2;
01390
01391 do {
01392 if (!*p2) goto no_more_coalesc;
01393 p2 += _dirty_bytes_per_line;
01394 } while (--h != 0);
01395
01396
01397
01398 right += DIRTY_BLOCK_WIDTH;
01399
01400 h = h2;
01401 p2 = p;
01402 do {
01403 *p2 = 0;
01404 p2 += _dirty_bytes_per_line;
01405 } while (--h != 0);
01406 }
01407 no_more_coalesc:
01408
01409 left = x;
01410 top = y;
01411
01412 if (left < _invalid_rect.left ) left = _invalid_rect.left;
01413 if (top < _invalid_rect.top ) top = _invalid_rect.top;
01414 if (right > _invalid_rect.right ) right = _invalid_rect.right;
01415 if (bottom > _invalid_rect.bottom) bottom = _invalid_rect.bottom;
01416
01417 if (left < right && top < bottom) {
01418 RedrawScreenRect(left, top, right, bottom);
01419 }
01420
01421 }
01422 } while (b++, (x += DIRTY_BLOCK_WIDTH) != w);
01423 } while (b += -(int)(w / DIRTY_BLOCK_WIDTH) + _dirty_bytes_per_line, (y += DIRTY_BLOCK_HEIGHT) != h);
01424
01425 ++_dirty_block_colour;
01426 _invalid_rect.left = w;
01427 _invalid_rect.top = h;
01428 _invalid_rect.right = 0;
01429 _invalid_rect.bottom = 0;
01430 }
01431
01447 void SetDirtyBlocks(int left, int top, int right, int bottom)
01448 {
01449 byte *b;
01450 int width;
01451 int height;
01452
01453 if (left < 0) left = 0;
01454 if (top < 0) top = 0;
01455 if (right > _screen.width) right = _screen.width;
01456 if (bottom > _screen.height) bottom = _screen.height;
01457
01458 if (left >= right || top >= bottom) return;
01459
01460 if (left < _invalid_rect.left ) _invalid_rect.left = left;
01461 if (top < _invalid_rect.top ) _invalid_rect.top = top;
01462 if (right > _invalid_rect.right ) _invalid_rect.right = right;
01463 if (bottom > _invalid_rect.bottom) _invalid_rect.bottom = bottom;
01464
01465 left /= DIRTY_BLOCK_WIDTH;
01466 top /= DIRTY_BLOCK_HEIGHT;
01467
01468 b = _dirty_blocks + top * _dirty_bytes_per_line + left;
01469
01470 width = ((right - 1) / DIRTY_BLOCK_WIDTH) - left + 1;
01471 height = ((bottom - 1) / DIRTY_BLOCK_HEIGHT) - top + 1;
01472
01473 assert(width > 0 && height > 0);
01474
01475 do {
01476 int i = width;
01477
01478 do b[--i] = 0xFF; while (i != 0);
01479
01480 b += _dirty_bytes_per_line;
01481 } while (--height != 0);
01482 }
01483
01490 void MarkWholeScreenDirty()
01491 {
01492 SetDirtyBlocks(0, 0, _screen.width, _screen.height);
01493 }
01494
01509 bool FillDrawPixelInfo(DrawPixelInfo *n, int left, int top, int width, int height)
01510 {
01511 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01512 const DrawPixelInfo *o = _cur_dpi;
01513
01514 n->zoom = ZOOM_LVL_NORMAL;
01515
01516 assert(width > 0);
01517 assert(height > 0);
01518
01519 if ((left -= o->left) < 0) {
01520 width += left;
01521 if (width <= 0) return false;
01522 n->left = -left;
01523 left = 0;
01524 } else {
01525 n->left = 0;
01526 }
01527
01528 if (width > o->width - left) {
01529 width = o->width - left;
01530 if (width <= 0) return false;
01531 }
01532 n->width = width;
01533
01534 if ((top -= o->top) < 0) {
01535 height += top;
01536 if (height <= 0) return false;
01537 n->top = -top;
01538 top = 0;
01539 } else {
01540 n->top = 0;
01541 }
01542
01543 n->dst_ptr = blitter->MoveTo(o->dst_ptr, left, top);
01544 n->pitch = o->pitch;
01545
01546 if (height > o->height - top) {
01547 height = o->height - top;
01548 if (height <= 0) return false;
01549 }
01550 n->height = height;
01551
01552 return true;
01553 }
01554
01559 void UpdateCursorSize()
01560 {
01561 CursorVars *cv = &_cursor;
01562 const Sprite *p = GetSprite(GB(cv->sprite, 0, SPRITE_WIDTH), ST_NORMAL);
01563
01564 cv->size.y = UnScaleByZoom(p->height, ZOOM_LVL_GUI);
01565 cv->size.x = UnScaleByZoom(p->width, ZOOM_LVL_GUI);
01566 cv->offs.x = UnScaleByZoom(p->x_offs, ZOOM_LVL_GUI);
01567 cv->offs.y = UnScaleByZoom(p->y_offs, ZOOM_LVL_GUI);
01568
01569 cv->dirty = true;
01570 }
01571
01577 static void SetCursorSprite(CursorID cursor, PaletteID pal)
01578 {
01579 CursorVars *cv = &_cursor;
01580 if (cv->sprite == cursor) return;
01581
01582 cv->sprite = cursor;
01583 cv->pal = pal;
01584 UpdateCursorSize();
01585
01586 cv->short_vehicle_offset = 0;
01587 }
01588
01589 static void SwitchAnimatedCursor()
01590 {
01591 const AnimCursor *cur = _cursor.animate_cur;
01592
01593 if (cur == NULL || cur->sprite == AnimCursor::LAST) cur = _cursor.animate_list;
01594
01595 SetCursorSprite(cur->sprite, _cursor.pal);
01596
01597 _cursor.animate_timeout = cur->display_time;
01598 _cursor.animate_cur = cur + 1;
01599 }
01600
01601 void CursorTick()
01602 {
01603 if (_cursor.animate_timeout != 0 && --_cursor.animate_timeout == 0) {
01604 SwitchAnimatedCursor();
01605 }
01606 }
01607
01614 void SetMouseCursor(CursorID sprite, PaletteID pal)
01615 {
01616
01617 _cursor.animate_timeout = 0;
01618
01619 SetCursorSprite(sprite, pal);
01620 }
01621
01627 void SetAnimatedMouseCursor(const AnimCursor *table)
01628 {
01629 _cursor.animate_list = table;
01630 _cursor.animate_cur = NULL;
01631 _cursor.pal = PAL_NONE;
01632 SwitchAnimatedCursor();
01633 }
01634
01635 bool ChangeResInGame(int width, int height)
01636 {
01637 return (_screen.width == width && _screen.height == height) || _video_driver->ChangeResolution(width, height);
01638 }
01639
01640 bool ToggleFullScreen(bool fs)
01641 {
01642 bool result = _video_driver->ToggleFullscreen(fs);
01643 if (_fullscreen != fs && _num_resolutions == 0) {
01644 DEBUG(driver, 0, "Could not find a suitable fullscreen resolution");
01645 }
01646 return result;
01647 }
01648
01649 static int CDECL compare_res(const Dimension *pa, const Dimension *pb)
01650 {
01651 int x = pa->width - pb->width;
01652 if (x != 0) return x;
01653 return pa->height - pb->height;
01654 }
01655
01656 void SortResolutions(int count)
01657 {
01658 QSortT(_resolutions, count, &compare_res);
01659 }