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OpenTTD
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Handling of drawing text and other gfx related stuff. More...
#include "stdafx.h"#include "gfx_layout.h"#include "progress.h"#include "zoom_func.h"#include "blitter/factory.hpp"#include "video/video_driver.hpp"#include "strings_func.h"#include "settings_type.h"#include "network/network.h"#include "network/network_func.h"#include "window_func.h"#include "newgrf_debug.h"#include "table/palettes.h"#include "table/string_colours.h"#include "table/sprites.h"#include "table/control_codes.h"#include "safeguards.h"Go to the source code of this file.
Macros | |
| #define | EXTR(p, q) (((uint16)(palette_animation_counter * (p)) * (q)) >> 16) |
| #define | EXTR2(p, q) (((uint16)(~palette_animation_counter * (p)) * (q)) >> 16) |
Functions | |
| static void | GfxMainBlitterViewport (const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub=NULL, SpriteID sprite_id=SPR_CURSOR_MOUSE) |
| 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) |
| void | GfxScroll (int left, int top, int width, int height, int xo, int yo) |
| void | GfxFillRect (int left, int top, int right, int bottom, int colour, FillRectMode mode) |
| Applies a certain FillRectMode-operation to a rectangle [left, right] x [top, bottom] on the screen. More... | |
| static 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) |
| Check line clipping by using a linear equation and draw the visible part of the line given by x/y and x2/y2. More... | |
| static bool | GfxPreprocessLine (DrawPixelInfo *dpi, int &x, int &y, int &x2, int &y2, int width) |
| Align parameters of a line to the given DPI and check simple clipping. More... | |
| void | GfxDrawLine (int x, int y, int x2, int y2, int colour, int width, int dash) |
| void | GfxDrawLineUnscaled (int x, int y, int x2, int y2, int colour) |
| void | DrawBox (int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3) |
| Draws the projection of a parallelepiped. More... | |
| static void | SetColourRemap (TextColour colour) |
| Set the colour remap to be for the given colour. More... | |
| static int | DrawLayoutLine (const ParagraphLayouter::Line *line, int y, int left, int right, StringAlignment align, bool underline, bool truncation) |
| Drawing routine for drawing a laid out line of text. More... | |
| int | DrawString (int left, int right, int top, const char *str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize) |
| Draw string, possibly truncated to make it fit in its allocated space. More... | |
| int | DrawString (int left, int right, int top, StringID str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize) |
| Draw string, possibly truncated to make it fit in its allocated space. More... | |
| int | GetStringHeight (const char *str, int maxw, FontSize fontsize) |
| Calculates height of string (in pixels). More... | |
| int | GetStringHeight (StringID str, int maxw) |
| Calculates height of string (in pixels). More... | |
| int | GetStringLineCount (StringID str, int maxw) |
| Calculates number of lines of string. More... | |
| Dimension | GetStringMultiLineBoundingBox (StringID str, const Dimension &suggestion) |
| Calculate string bounding box for multi-line strings. More... | |
| Dimension | GetStringMultiLineBoundingBox (const char *str, const Dimension &suggestion) |
| Calculate string bounding box for multi-line strings. More... | |
| int | DrawStringMultiLine (int left, int right, int top, int bottom, const char *str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize) |
| Draw string, possibly over multiple lines. More... | |
| int | DrawStringMultiLine (int left, int right, int top, int bottom, StringID str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize) |
| Draw string, possibly over multiple lines. More... | |
| Dimension | GetStringBoundingBox (const char *str, FontSize start_fontsize) |
| Return the string dimension in pixels. More... | |
| Dimension | GetStringBoundingBox (StringID strid) |
| Get bounding box of a string. More... | |
| Point | GetCharPosInString (const char *str, const char *ch, FontSize start_fontsize) |
| Get the leading corner of a character in a single-line string relative to the start of the string. More... | |
| const char * | GetCharAtPosition (const char *str, int x, FontSize start_fontsize) |
| Get the character from a string that is drawn at a specific position. More... | |
| void | DrawCharCentered (WChar c, int x, int y, TextColour colour) |
| Draw single character horizontally centered around (x,y) More... | |
| Dimension | GetSpriteSize (SpriteID sprid, Point *offset, ZoomLevel zoom) |
| Get the size of a sprite. More... | |
| static BlitterMode | GetBlitterMode (PaletteID pal) |
| Helper function to get the blitter mode for different types of palettes. More... | |
| void | DrawSpriteViewport (SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub) |
| Draw a sprite in a viewport. More... | |
| void | DrawSprite (SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub, ZoomLevel zoom) |
| Draw a sprite, not in a viewport. More... | |
| template<int ZOOM_BASE, bool SCALED_XY> | |
| static void | GfxBlitter (const Sprite *const sprite, int x, int y, BlitterMode mode, const SubSprite *const sub, SpriteID sprite_id, ZoomLevel zoom) |
| The code for setting up the blitter mode and sprite information before finally drawing the sprite. More... | |
| void | DoPaletteAnimations () |
| void | GfxInitPalettes () |
| TextColour | GetContrastColour (uint8 background, uint8 threshold) |
| Determine a contrasty text colour for a coloured background. More... | |
| void | LoadStringWidthTable (bool monospace) |
| Initialize _stringwidth_table cache. More... | |
| byte | GetCharacterWidth (FontSize size, WChar key) |
| Return width of character glyph. More... | |
| byte | GetDigitWidth (FontSize size) |
| Return the maximum width of single digit. More... | |
| void | GetBroadestDigit (uint *front, uint *next, FontSize size) |
| Determine the broadest digits for guessing the maximum width of a n-digit number. More... | |
| void | ScreenSizeChanged () |
| void | UndrawMouseCursor () |
| void | DrawMouseCursor () |
| void | RedrawScreenRect (int left, int top, int right, int bottom) |
| void | DrawDirtyBlocks () |
| Repaints the rectangle blocks which are marked as 'dirty'. More... | |
| void | SetDirtyBlocks (int left, int top, int right, int bottom) |
| This function extends the internal _invalid_rect rectangle as it now contains the rectangle defined by the given parameters. More... | |
| void | MarkWholeScreenDirty () |
| This function mark the whole screen as dirty. More... | |
| bool | FillDrawPixelInfo (DrawPixelInfo *n, int left, int top, int width, int height) |
| Set up a clipping area for only drawing into a certain area. More... | |
| void | UpdateCursorSize () |
| Update cursor dimension. More... | |
| static void | SetCursorSprite (CursorID cursor, PaletteID pal) |
| Switch cursor to different sprite. More... | |
| static void | SwitchAnimatedCursor () |
| void | CursorTick () |
| void | SetMouseCursorBusy (bool busy) |
| Set or unset the ZZZ cursor. More... | |
| void | SetMouseCursor (CursorID sprite, PaletteID pal) |
| Assign a single non-animated sprite to the cursor. More... | |
| void | SetAnimatedMouseCursor (const AnimCursor *table) |
| Assign an animation to the cursor. More... | |
| bool | ChangeResInGame (int width, int height) |
| bool | ToggleFullScreen (bool fs) |
| static int CDECL | compare_res (const Dimension *pa, const Dimension *pb) |
| void | SortResolutions (int count) |
Variables | |
| byte | _dirkeys |
| 1 = left, 2 = up, 4 = right, 8 = down | |
| bool | _fullscreen |
| byte | _support8bpp |
| CursorVars | _cursor |
| bool | _ctrl_pressed |
| Is Ctrl pressed? | |
| bool | _shift_pressed |
| Is Shift pressed? | |
| byte | _fast_forward |
| bool | _left_button_down |
| Is left mouse button pressed? | |
| bool | _left_button_clicked |
| Is left mouse button clicked? | |
| bool | _right_button_down |
| Is right mouse button pressed? | |
| bool | _right_button_clicked |
| Is right mouse button clicked? | |
| DrawPixelInfo | _screen |
| bool | _screen_disable_anim = false |
| Disable palette animation (important for 32bpp-anim blitter during giant screenshot) | |
| bool | _exit_game |
| GameMode | _game_mode |
| SwitchMode | _switch_mode |
| The next mainloop command. | |
| PauseModeByte | _pause_mode |
| The current pause mode. | |
| Palette | _cur_palette |
| Current palette. | |
| static byte | _stringwidth_table [FS_END][224] |
| Cache containing width of often used characters. More... | |
| DrawPixelInfo * | _cur_dpi |
| byte | _colour_gradient [COLOUR_END][8] |
| All 16 colour gradients 8 colours per gradient from darkest (0) to lightest (7) | |
| static ReusableBuffer< uint8 > | _cursor_backup |
| ZoomLevelByte | _gui_zoom |
| GUI Zoom level. | |
| ZoomLevelByte | _font_zoom |
| Font Zoom level. | |
| static Rect | _invalid_rect |
| The rect for repaint. More... | |
| static const byte * | _colour_remap_ptr |
| static byte | _string_colourremap [3] |
| Recoloursprite for stringdrawing. The grf loader ensures that ST_FONT sprites only use colours 0 to 2. | |
| static const uint | DIRTY_BLOCK_HEIGHT = 8 |
| static const uint | DIRTY_BLOCK_WIDTH = 64 |
| static uint | _dirty_bytes_per_line = 0 |
| static byte * | _dirty_blocks = NULL |
| uint | _dirty_block_colour |
Handling of drawing text and other gfx related stuff.
Definition in file gfx.cpp.
| void DrawBox | ( | int | x, |
| int | y, | ||
| int | dx1, | ||
| int | dy1, | ||
| int | dx2, | ||
| int | dy2, | ||
| int | dx3, | ||
| int | dy3 | ||
| ) |
Draws the projection of a parallelepiped.
This can be used to draw boxes in world coordinates.
| x | Screen X-coordinate of top front corner. |
| y | Screen Y-coordinate of top front corner. |
| dx1 | Screen X-length of first edge. |
| dy1 | Screen Y-length of first edge. |
| dx2 | Screen X-length of second edge. |
| dy2 | Screen Y-length of second edge. |
| dx3 | Screen X-length of third edge. |
| dy3 | Screen Y-length of third edge. |
Definition at line 279 of file gfx.cpp.
Referenced by ViewportDrawBoundingBoxes().
| void DrawCharCentered | ( | WChar | c, |
| int | x, | ||
| int | y, | ||
| TextColour | colour | ||
| ) |
Draw single character horizontally centered around (x,y)
| c | Character (glyph) to draw |
| x | X position to draw character |
| y | Y position to draw character |
| colour | Colour to use, see DoDrawString() for details |
Definition at line 756 of file gfx.cpp.
Referenced by OskWindow::DrawWidget().
| void DrawDirtyBlocks | ( | ) |
Repaints the rectangle blocks which are marked as 'dirty'.
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static |
Drawing routine for drawing a laid out line of text.
| line | String to draw. |
| y | The top most position to draw on. |
| left | The left most position to draw on. |
| right | The right most position to draw on. |
| align | The alignment of the string when drawing left-to-right. In the case a right-to-left language is chosen this is inverted so it will be drawn in the right direction. |
| underline | Whether to underline what has been drawn or not. |
| truncation | Whether to perform string truncation or not. |
| void DrawSprite | ( | SpriteID | img, |
| PaletteID | pal, | ||
| int | x, | ||
| int | y, | ||
| const SubSprite * | sub, | ||
| ZoomLevel | zoom | ||
| ) |
Draw a sprite, not in a viewport.
| img | Image number to draw |
| pal | Palette to use. |
| x | Left coordinate of image in pixels |
| y | Top coordinate of image in pixels |
| sub | If available, draw only specified part of the sprite |
| zoom | Zoom level of sprite |
Definition at line 834 of file gfx.cpp.
Referenced by StoryBookWindow::DrawActionElement(), TransparenciesWindow::DrawWidget(), and BuildTreesWindow::DrawWidget().
| int DrawString | ( | int | left, |
| int | right, | ||
| int | top, | ||
| const char * | str, | ||
| TextColour | colour, | ||
| StringAlignment | align, | ||
| bool | underline, | ||
| FontSize | fontsize | ||
| ) |
Draw string, possibly truncated to make it fit in its allocated space.
| left | The left most position to draw on. |
| right | The right most position to draw on. |
| top | The top most position to draw on. |
| str | String to draw. |
| colour | Colour used for drawing the string, see DoDrawString() for details |
| align | The alignment of the string when drawing left-to-right. In the case a right-to-left language is chosen this is inverted so it will be drawn in the right direction. |
| underline | Whether to underline what has been drawn or not. |
| fontsize | The size of the initial characters. |
Definition at line 500 of file gfx.cpp.
References FONT_HEIGHT_LARGE, FONT_HEIGHT_MONO, FONT_HEIGHT_NORMAL, FONT_HEIGHT_SMALL, and max().
Referenced by CargoesField::Draw(), DrawCaption(), NetworkContentListWindow::DrawDetails(), SelectCompanyManagerFaceWindow::DrawFaceStringLabel(), DrawFrame(), DrawInset(), DrawPrice(), DrawText(), StatusBarWindow::DrawWidget(), CompanyFinancesWindow::DrawWidget(), ReplaceVehicleWindow::DrawWidget(), NetworkChatWindow::DrawWidget(), GenerateLandscapeWindow::DrawWidget(), NetworkContentListWindow::DrawWidget(), MusicWindow::DrawWidget(), AIConfigWindow::DrawWidget(), NetworkStartServerWindow::DrawWidget(), SelectCompanyManagerFaceWindow::DrawWidget(), GameSettingsWindow::DrawWidget(), NetworkJoinStatusWindow::DrawWidget(), ScenarioEditorToolbarWindow::DrawWidget(), and NetworkGameWindow::OnPaint().
| int DrawString | ( | int | left, |
| int | right, | ||
| int | top, | ||
| StringID | str, | ||
| TextColour | colour, | ||
| StringAlignment | align, | ||
| bool | underline, | ||
| FontSize | fontsize | ||
| ) |
Draw string, possibly truncated to make it fit in its allocated space.
| left | The left most position to draw on. |
| right | The right most position to draw on. |
| top | The top most position to draw on. |
| str | String to draw. |
| colour | Colour used for drawing the string, see DoDrawString() for details |
| align | The alignment of the string when drawing left-to-right. In the case a right-to-left language is chosen this is inverted so it will be drawn in the right direction. |
| underline | Whether to underline what has been drawn or not. |
| fontsize | The size of the initial characters. |
Definition at line 535 of file gfx.cpp.
References DRAW_STRING_BUFFER.
| int DrawStringMultiLine | ( | int | left, |
| int | right, | ||
| int | top, | ||
| int | bottom, | ||
| const char * | str, | ||
| TextColour | colour, | ||
| StringAlignment | align, | ||
| bool | underline, | ||
| FontSize | fontsize | ||
| ) |
Draw string, possibly over multiple lines.
| left | The left most position to draw on. |
| right | The right most position to draw on. |
| top | The top most position to draw on. |
| bottom | The bottom most position to draw on. |
| str | String to draw. |
| colour | Colour used for drawing the string, see DoDrawString() for details |
| align | The horizontal and vertical alignment of the string. |
| underline | Whether to underline all strings |
| fontsize | The size of the initial characters. |
Definition at line 621 of file gfx.cpp.
References Layouter::GetBounds().
Referenced by StationViewWindow::DrawAcceptedCargo(), SelectGameWindow::DrawWidget(), BootstrapAskForDownloadWindow::DrawWidget(), NewGRFParametersWindow::DrawWidget(), ErrmsgWindow::DrawWidget(), GameOptionsWindow::DrawWidget(), GoalQuestionWindow::DrawWidget(), TooltipsWindow::DrawWidget(), QueryWindow::DrawWidget(), CompanyWindow::DrawWidget(), BuyCompanyWindow::DrawWidget(), and HighScoreWindow::OnPaint().
| int DrawStringMultiLine | ( | int | left, |
| int | right, | ||
| int | top, | ||
| int | bottom, | ||
| StringID | str, | ||
| TextColour | colour, | ||
| StringAlignment | align, | ||
| bool | underline, | ||
| FontSize | fontsize | ||
| ) |
Draw string, possibly over multiple lines.
| left | The left most position to draw on. |
| right | The right most position to draw on. |
| top | The top most position to draw on. |
| bottom | The bottom most position to draw on. |
| str | String to draw. |
| colour | Colour used for drawing the string, see DoDrawString() for details |
| align | The horizontal and vertical alignment of the string. |
| underline | Whether to underline all strings |
| fontsize | The size of the initial characters. |
Definition at line 683 of file gfx.cpp.
References DRAW_STRING_BUFFER.
| bool FillDrawPixelInfo | ( | DrawPixelInfo * | n, |
| int | left, | ||
| int | top, | ||
| int | width, | ||
| int | height | ||
| ) |
Set up a clipping area for only drawing into a certain area.
To do this, Fill a DrawPixelInfo object with the supplied relative rectangle, backup the original (calling) _cur_dpi and assign the just returned DrawPixelInfo _cur_dpi. When you are done, give restore _cur_dpi's original value
| *n | the DrawPixelInfo that will be the clipping rectangle box allowed for drawing |
| left,top,width,height | the relative coordinates of the clipping rectangle relative to the current _cur_dpi. This will most likely be the offset from the calling window coordinates |
Definition at line 1482 of file gfx.cpp.
Referenced by NWidgetMatrix::Draw(), NWidgetLeaf::Draw(), SmallMapWindow::DrawWidget(), and BuildRailStationWindow::DrawWidget().
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static |
| void GetBroadestDigit | ( | uint * | front, |
| uint * | next, | ||
| FontSize | size | ||
| ) |
Determine the broadest digits for guessing the maximum width of a n-digit number.
| [out] | front | Broadest digit, which is not 0. (Use this digit as first digit for numbers with more than one digit.) |
| [out] | next | Broadest digit, including 0. (Use this digit for all digits, except the first one; or for numbers with only one digit.) |
| size | Font of the digit |
Definition at line 1179 of file gfx.cpp.
Referenced by SetDParamMaxDigits().
Return width of character glyph.
| size | Font of the character |
| key | Character code glyph |
Definition at line 1151 of file gfx.cpp.
References _stringwidth_table, and GetGlyphWidth().
| const char* GetCharAtPosition | ( | const char * | str, |
| int | x, | ||
| FontSize | start_fontsize | ||
| ) |
Get the character from a string that is drawn at a specific position.
| str | String to test. |
| x | Position relative to the start of the string. |
| start_fontsize | Font size to start the text with. |
Get the leading corner of a character in a single-line string relative to the start of the string.
| str | String containing the character. |
| ch | Pointer to the character in the string. |
| start_fontsize | Font size to start the text with. |
Definition at line 728 of file gfx.cpp.
Referenced by Textbuf::UpdateCaretPosition(), and Textbuf::UpdateMarkedText().
| TextColour GetContrastColour | ( | uint8 | background, |
| uint8 | threshold | ||
| ) |
Determine a contrasty text colour for a coloured background.
| background | Background colour. |
| threshold | Background colour brightness threshold below which the background is considered dark and TC_WHITE is returned, range: 0 - 255, default 128. |
Definition at line 1118 of file gfx.cpp.
References Palette::palette.
| byte GetDigitWidth | ( | FontSize | size | ) |
Return the maximum width of single digit.
| size | Font of the digit |
Definition at line 1164 of file gfx.cpp.
Referenced by BuildSignalWindow::UpdateWidgetSize().
Get the size of a sprite.
| sprid | Sprite to examine. | |
| [out] | offset | Optionally returns the sprite position offset. |
Definition at line 769 of file gfx.cpp.
Referenced by VehicleGroupWindow::ComputeGroupInfoSize(), StoryBookWindow::DrawActionElement(), BuildSignalWindow::DrawSignalSprite(), BaseVehicleListWindow::DrawVehicleListItems(), TimetableWindow::DrawWidget(), OrdersWindow::DrawWidget(), BuildTreesWindow::GetMaxTreeSpriteSize(), StoryBookWindow::GetPageElementHeight(), MakeNWidgetCompanyLines(), NetworkContentListWindow::NetworkContentListWindow(), SelectCompanyManagerFaceWindow::OnInit(), NetworkLobbyWindow::OnPaint(), BuildBridgeWindow::UpdateWidgetSize(), ErrmsgWindow::UpdateWidgetSize(), SignListWindow::UpdateWidgetSize(), NewsWindow::UpdateWidgetSize(), VehicleGroupWindow::UpdateWidgetSize(), NetworkGameWindow::UpdateWidgetSize(), NewGRFWindow::UpdateWidgetSize(), SelectCompanyManagerFaceWindow::UpdateWidgetSize(), CompanyWindow::UpdateWidgetSize(), VehicleViewWindow::UpdateWidgetSize(), and BuyCompanyWindow::UpdateWidgetSize().
Return the string dimension in pixels.
The height and width are returned in a single Dimension value. TINYFONT, BIGFONT modifiers are only supported as the first character of the string. The returned dimensions are therefore a rough estimation correct for all the current strings but not every possible combination
| str | string to calculate pixel-width |
| start_fontsize | Fontsize to start the text with |
Definition at line 700 of file gfx.cpp.
Referenced by VehicleGroupWindow::ComputeGroupInfoSize(), DrawCaption(), DrawText(), TimetableWindow::DrawWidget(), OrdersWindow::DrawWidget(), BaseVehicleListWindow::GetActionDropdownSize(), BaseGraphWindow::GetYLabelWidth(), SelectCompanyManagerFaceWindow::OnInit(), IndustryCargoesWindow::OnInit(), TextfileWindow::SetupScrollbars(), SelectGameWindow::UpdateWidgetSize(), LandInfoWindow::UpdateWidgetSize(), SetDateWindow::UpdateWidgetSize(), StatusBarWindow::UpdateWidgetSize(), BuildObjectWindow::UpdateWidgetSize(), SubsidyListWindow::UpdateWidgetSize(), BootstrapAskForDownloadWindow::UpdateWidgetSize(), BuildBridgeWindow::UpdateWidgetSize(), GoalListWindow::UpdateWidgetSize(), TimetableWindow::UpdateWidgetSize(), NewGRFParametersWindow::UpdateWidgetSize(), ReplaceVehicleWindow::UpdateWidgetSize(), BuildAirportWindow::UpdateWidgetSize(), CompanyFinancesWindow::UpdateWidgetSize(), NewsWindow::UpdateWidgetSize(), CompanyStationsWindow::UpdateWidgetSize(), VehicleGroupWindow::UpdateWidgetSize(), GameOptionsWindow::UpdateWidgetSize(), BuildIndustryWindow::UpdateWidgetSize(), GenerateLandscapeWindow::UpdateWidgetSize(), NetworkChatWindow::UpdateWidgetSize(), BaseGraphWindow::UpdateWidgetSize(), MusicTrackSelectionWindow::UpdateWidgetSize(), NetworkGameWindow::UpdateWidgetSize(), SaveLoadWindow::UpdateWidgetSize(), NetworkContentListWindow::UpdateWidgetSize(), StoryBookWindow::UpdateWidgetSize(), DepotWindow::UpdateWidgetSize(), MusicWindow::UpdateWidgetSize(), TooltipsWindow::UpdateWidgetSize(), AIConfigWindow::UpdateWidgetSize(), OrdersWindow::UpdateWidgetSize(), TownDirectoryWindow::UpdateWidgetSize(), PaymentRatesGraphWindow::UpdateWidgetSize(), CreateScenarioWindow::UpdateWidgetSize(), MessageHistoryWindow::UpdateWidgetSize(), BuildRailStationWindow::UpdateWidgetSize(), NetworkStartServerWindow::UpdateWidgetSize(), CompanyLeagueWindow::UpdateWidgetSize(), GenerateProgressWindow::UpdateWidgetSize(), StationViewWindow::UpdateWidgetSize(), IndustryDirectoryWindow::UpdateWidgetSize(), BuildVehicleWindow::UpdateWidgetSize(), NetworkClientListPopupWindow::UpdateWidgetSize(), GameSettingsWindow::UpdateWidgetSize(), CompanyInfrastructureWindow::UpdateWidgetSize(), NetworkClientListWindow::UpdateWidgetSize(), SavePresetWindow::UpdateWidgetSize(), ScanProgressWindow::UpdateWidgetSize(), ScenarioEditorToolbarWindow::UpdateWidgetSize(), and Textbuf::UpdateWidth().
Get bounding box of a string.
Uses parameters set by SetDParam if needed. Has the same restrictions as GetStringBoundingBox(const char *str, FontSize start_fontsize).
| strid | String to examine. |
Definition at line 712 of file gfx.cpp.
References DRAW_STRING_BUFFER.
| int GetStringHeight | ( | const char * | str, |
| int | maxw, | ||
| FontSize | fontsize | ||
| ) |
Calculates height of string (in pixels).
The string is changed to a multiline string if needed.
| str | string to check |
| maxw | maximum string width |
Definition at line 548 of file gfx.cpp.
Referenced by TextfileWindow::GetContentHeight(), StoryBookWindow::GetHeadHeight(), SettingEntry::GetMaxHelpHeight(), StoryBookWindow::GetPageElementHeight(), SelectGameWindow::UpdateWidgetSize(), LandInfoWindow::UpdateWidgetSize(), BootstrapAskForDownloadWindow::UpdateWidgetSize(), ErrmsgWindow::UpdateWidgetSize(), GameOptionsWindow::UpdateWidgetSize(), GoalQuestionWindow::UpdateWidgetSize(), and TooltipsWindow::UpdateWidgetSize().
| int GetStringHeight | ( | StringID | str, |
| int | maxw | ||
| ) |
Calculates height of string (in pixels).
The string is changed to a multiline string if needed.
| str | string to check |
| maxw | maximum string width |
Definition at line 560 of file gfx.cpp.
References DRAW_STRING_BUFFER.
| int GetStringLineCount | ( | StringID | str, |
| int | maxw | ||
| ) |
Calculates number of lines of string.
The string is changed to a multiline string if needed.
| str | string to check |
| maxw | maximum string width |
Definition at line 573 of file gfx.cpp.
References DRAW_STRING_BUFFER.
Calculate string bounding box for multi-line strings.
| str | String to check. |
| suggestion | Suggested bounding box. |
Definition at line 588 of file gfx.cpp.
Referenced by QueryWindow::UpdateWidgetSize().
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static |
The code for setting up the blitter mode and sprite information before finally drawing the sprite.
| sprite | The sprite to draw. |
| x | The X location to draw. |
| y | The Y location to draw. |
| mode | The settings for the blitter to pass. |
| sub | Whether to only draw a sub set of the sprite. |
| zoom | The zoom level at which to draw the sprites. |
| ZOOM_BASE | The factor required to get the sub sprite information into the right size. |
| SCALED_XY | Whether the X and Y are scaled or unscaled. |
|
inlinestatic |
Check line clipping by using a linear equation and draw the visible part of the line given by x/y and x2/y2.
| video | Destination pointer to draw into. |
| x | X coordinate of first point. |
| y | Y coordinate of first point. |
| x2 | X coordinate of second point. |
| y2 | Y coordinate of second point. |
| screen_width | With of the screen to check clipping against. |
| screen_height | Height of the screen to check clipping against. |
| colour | Colour of the line. |
| width | Width of the line. |
| dash | Length of dashes for dashed lines. 0 means solid line. |
| void GfxFillRect | ( | int | left, |
| int | top, | ||
| int | right, | ||
| int | bottom, | ||
| int | colour, | ||
| FillRectMode | mode | ||
| ) |
Applies a certain FillRectMode-operation to a rectangle [left, right] x [top, bottom] on the screen.
| left | Minimum X (inclusive) |
| top | Minimum Y (inclusive) |
| right | Maximum X (inclusive) |
| bottom | Maximum Y (inclusive) |
| colour | A 8 bit palette index (FILLRECT_OPAQUE and FILLRECT_CHECKER) or a recolour spritenumber (FILLRECT_RECOLOUR) |
| mode | FILLRECT_OPAQUE: Fill the rectangle with the specified colour FILLRECT_CHECKER: Like FILLRECT_OPAQUE, but only draw every second pixel (used to grey out things) FILLRECT_RECOLOUR: Apply a recolour sprite to every pixel in the rectangle currently on screen |
Definition at line 113 of file gfx.cpp.
References BlitterFactory::GetCurrentBlitter().
Referenced by NWidgetMatrix::Draw(), NWidgetViewport::Draw(), NWidgetToolbarContainer::Draw(), DrawCaption(), NetworkContentListWindow::DrawDetails(), DrawFrame(), BootstrapBackground::DrawWidget(), MusicTrackSelectionWindow::DrawWidget(), TooltipsWindow::DrawWidget(), MusicWindow::DrawWidget(), NewGRFWindow::DrawWidget(), NetworkClientListPopupWindow::DrawWidget(), BuildRailWaypointWindow::DrawWidget(), SavePresetWindow::DrawWidget(), and NetworkGameWindow::OnPaint().
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inlinestatic |
Align parameters of a line to the given DPI and check simple clipping.
| dpi | Screen parameters to align with. |
| x | X coordinate of first point. |
| y | Y coordinate of first point. |
| x2 | X coordinate of second point. |
| y2 | Y coordinate of second point. |
| width | Width of the line. |
| void LoadStringWidthTable | ( | bool | monospace | ) |
Initialize _stringwidth_table cache.
| monospace | Whether to load the monospace cache or the normal fonts. |
Definition at line 1132 of file gfx.cpp.
Referenced by ReloadNewGRFData().
| void SetAnimatedMouseCursor | ( | const AnimCursor * | table | ) |
Assign an animation to the cursor.
| table | Array of animation states. |
Definition at line 1632 of file gfx.cpp.
References CursorVars::animate_cur, CursorVars::animate_list, PalSpriteID::pal, and CursorVars::sprite_seq.
Referenced by CenterBounds().
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static |
Switch cursor to different sprite.
Definition at line 1568 of file gfx.cpp.
References PalSpriteID::pal, PalSpriteID::sprite, CursorVars::sprite_count, CursorVars::sprite_pos, CursorVars::sprite_seq, and UpdateCursorSize().
Referenced by SetMouseCursor().
| void SetDirtyBlocks | ( | int | left, |
| int | top, | ||
| int | right, | ||
| int | bottom | ||
| ) |
This function extends the internal _invalid_rect rectangle as it now contains the rectangle defined by the given parameters.
Note the point (0,0) is top left.
| left | The left edge of the rectangle |
| top | The top edge of the rectangle |
| right | The right edge of the rectangle |
| bottom | The bottom edge of the rectangle |
AddDirtyBlock as it neither set a dirty rect nor add several dirty rects although the function name is in plural. (Progman) Definition at line 1420 of file gfx.cpp.
Referenced by MarkViewportDirty(), MarkWholeScreenDirty(), NWidgetBase::SetDirty(), Window::SetDirty(), and NewsWindow::SetWindowTop().
Assign a single non-animated sprite to the cursor.
Definition at line 1619 of file gfx.cpp.
References CursorVars::animate_timeout, and SetCursorSprite().
Referenced by CenterBounds(), and SetMouseCursorBusy().
| void SetMouseCursorBusy | ( | bool | busy | ) |
Set or unset the ZZZ cursor.
| busy | Whether to show the ZZZ cursor. |
Definition at line 1604 of file gfx.cpp.
References SetMouseCursor(), SPR_CURSOR_MOUSE, PalSpriteID::sprite, and CursorVars::sprite_seq.
Referenced by CenterBounds(), CleanupGeneration(), and GenerateProgressWindow::OnClick().
| void UpdateCursorSize | ( | ) |
Update cursor dimension.
Called when changing cursor sprite resp. reloading grfs.
Definition at line 1532 of file gfx.cpp.
References GetMaxSpriteID().
Referenced by SetCursorSprite().
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static |
Cache containing width of often used characters.
Definition at line 51 of file gfx.cpp.
Referenced by GetCharacterWidth().