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2b8af7f40f
Pass `CImageInfo` arguments to various graphics and text render functions instead of passing the components (data pointer, width, height, format/pixel size) of the image info separately. Pass texture/file name to loading functions when available to improve error/warning messages.
382 lines
15 KiB
C++
382 lines
15 KiB
C++
/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
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/* If you are missing that file, acquire a complete release at teeworlds.com. */
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#ifndef ENGINE_TEXTRENDER_H
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#define ENGINE_TEXTRENDER_H
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#include "kernel.h"
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#include <base/color.h>
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#include <engine/graphics.h>
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#include <cstdint>
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#include <memory>
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enum
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{
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TEXTFLAG_RENDER = 1 << 0,
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TEXTFLAG_DISALLOW_NEWLINE = 1 << 1,
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TEXTFLAG_STOP_AT_END = 1 << 2,
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TEXTFLAG_ELLIPSIS_AT_END = 1 << 3,
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};
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enum ETextAlignment
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{
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TEXTALIGN_LEFT = 0,
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TEXTALIGN_CENTER = 1 << 1,
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TEXTALIGN_RIGHT = 1 << 2,
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TEXTALIGN_TOP = 0, // this is also 0, so the default alignment is top-left
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TEXTALIGN_MIDDLE = 1 << 3,
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TEXTALIGN_BOTTOM = 1 << 4,
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TEXTALIGN_TL = TEXTALIGN_TOP | TEXTALIGN_LEFT,
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TEXTALIGN_TC = TEXTALIGN_TOP | TEXTALIGN_CENTER,
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TEXTALIGN_TR = TEXTALIGN_TOP | TEXTALIGN_RIGHT,
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TEXTALIGN_ML = TEXTALIGN_MIDDLE | TEXTALIGN_LEFT,
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TEXTALIGN_MC = TEXTALIGN_MIDDLE | TEXTALIGN_CENTER,
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TEXTALIGN_MR = TEXTALIGN_MIDDLE | TEXTALIGN_RIGHT,
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TEXTALIGN_BL = TEXTALIGN_BOTTOM | TEXTALIGN_LEFT,
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TEXTALIGN_BC = TEXTALIGN_BOTTOM | TEXTALIGN_CENTER,
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TEXTALIGN_BR = TEXTALIGN_BOTTOM | TEXTALIGN_RIGHT,
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TEXTALIGN_MASK_HORIZONTAL = TEXTALIGN_LEFT | TEXTALIGN_CENTER | TEXTALIGN_RIGHT,
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TEXTALIGN_MASK_VERTICAL = TEXTALIGN_TOP | TEXTALIGN_MIDDLE | TEXTALIGN_BOTTOM,
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};
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enum ETextRenderFlags
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{
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TEXT_RENDER_FLAG_NO_X_BEARING = 1 << 0,
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TEXT_RENDER_FLAG_NO_Y_BEARING = 1 << 1,
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TEXT_RENDER_FLAG_ONLY_ADVANCE_WIDTH = 1 << 2,
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TEXT_RENDER_FLAG_NO_PIXEL_ALIGMENT = 1 << 3,
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TEXT_RENDER_FLAG_KERNING = 1 << 4,
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TEXT_RENDER_FLAG_NO_OVERSIZE = 1 << 5,
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TEXT_RENDER_FLAG_NO_FIRST_CHARACTER_X_BEARING = 1 << 6,
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TEXT_RENDER_FLAG_NO_LAST_CHARACTER_ADVANCE = 1 << 7,
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TEXT_RENDER_FLAG_NO_AUTOMATIC_QUAD_UPLOAD = 1 << 8,
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// text is only rendered once and then discarded (a hint for buffer creation)
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TEXT_RENDER_FLAG_ONE_TIME_USE = 1 << 9,
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};
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enum class EFontPreset
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{
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DEFAULT_FONT,
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ICON_FONT,
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};
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namespace FontIcons {
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// Each font icon is named according to its official name in Font Awesome
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MAYBE_UNUSED static const char *FONT_ICON_PLUS = "+";
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MAYBE_UNUSED static const char *FONT_ICON_MINUS = "-";
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MAYBE_UNUSED static const char *FONT_ICON_LOCK = "\xEF\x80\xA3";
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MAYBE_UNUSED static const char *FONT_ICON_MAGNIFYING_GLASS = "\xEF\x80\x82";
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MAYBE_UNUSED static const char *FONT_ICON_HEART = "\xEF\x80\x84";
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MAYBE_UNUSED static const char *FONT_ICON_STAR = "\xEF\x80\x85";
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MAYBE_UNUSED static const char *FONT_ICON_XMARK = "\xEF\x80\x8D";
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MAYBE_UNUSED static const char *FONT_ICON_CIRCLE = "\xEF\x84\x91";
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MAYBE_UNUSED static const char *FONT_ICON_ARROW_ROTATE_LEFT = "\xEF\x83\xA2";
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MAYBE_UNUSED static const char *FONT_ICON_ARROW_ROTATE_RIGHT = "\xEF\x80\x9E";
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MAYBE_UNUSED static const char *FONT_ICON_FLAG_CHECKERED = "\xEF\x84\x9E";
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MAYBE_UNUSED static const char *FONT_ICON_BAN = "\xEF\x81\x9E";
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MAYBE_UNUSED static const char *FONT_ICON_CIRCLE_CHEVRON_DOWN = "\xEF\x84\xBA";
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MAYBE_UNUSED static const char *FONT_ICON_SQUARE_MINUS = "\xEF\x85\x86";
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MAYBE_UNUSED static const char *FONT_ICON_SQUARE_PLUS = "\xEF\x83\xBE";
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MAYBE_UNUSED static const char *FONT_ICON_SORT_UP = "\xEF\x83\x9E";
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MAYBE_UNUSED static const char *FONT_ICON_SORT_DOWN = "\xEF\x83\x9D";
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MAYBE_UNUSED static const char *FONT_ICON_HOUSE = "\xEF\x80\x95";
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MAYBE_UNUSED static const char *FONT_ICON_NEWSPAPER = "\xEF\x87\xAA";
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MAYBE_UNUSED static const char *FONT_ICON_POWER_OFF = "\xEF\x80\x91";
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MAYBE_UNUSED static const char *FONT_ICON_GEAR = "\xEF\x80\x93";
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MAYBE_UNUSED static const char *FONT_ICON_PEN_TO_SQUARE = "\xEF\x81\x84";
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MAYBE_UNUSED static const char *FONT_ICON_CLAPPERBOARD = "\xEE\x84\xB1";
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MAYBE_UNUSED static const char *FONT_ICON_EARTH_AMERICAS = "\xEF\x95\xBD";
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MAYBE_UNUSED static const char *FONT_ICON_NETWORK_WIRED = "\xEF\x9B\xBF";
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MAYBE_UNUSED static const char *FONT_ICON_LIST_UL = "\xEF\x83\x8A";
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MAYBE_UNUSED static const char *FONT_ICON_INFO = "\xEF\x84\xA9";
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MAYBE_UNUSED static const char *FONT_ICON_SLASH = "\xEF\x9C\x95";
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MAYBE_UNUSED static const char *FONT_ICON_PLAY = "\xEF\x81\x8B";
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MAYBE_UNUSED static const char *FONT_ICON_PAUSE = "\xEF\x81\x8C";
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MAYBE_UNUSED static const char *FONT_ICON_STOP = "\xEF\x81\x8D";
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MAYBE_UNUSED static const char *FONT_ICON_CHEVRON_LEFT = "\xEF\x81\x93";
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MAYBE_UNUSED static const char *FONT_ICON_CHEVRON_RIGHT = "\xEF\x81\x94";
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MAYBE_UNUSED static const char *FONT_ICON_CHEVRON_UP = "\xEF\x81\xB7";
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MAYBE_UNUSED static const char *FONT_ICON_CHEVRON_DOWN = "\xEF\x81\xB8";
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MAYBE_UNUSED static const char *FONT_ICON_BACKWARD = "\xEF\x81\x8A";
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MAYBE_UNUSED static const char *FONT_ICON_FORWARD = "\xEF\x81\x8E";
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MAYBE_UNUSED static const char *FONT_ICON_RIGHT_FROM_BRACKET = "\xEF\x8B\xB5";
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MAYBE_UNUSED static const char *FONT_ICON_RIGHT_TO_BRACKET = "\xEF\x8B\xB6";
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MAYBE_UNUSED static const char *FONT_ICON_ARROW_UP_RIGHT_FROM_SQUARE = "\xEF\x82\x8E";
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MAYBE_UNUSED static const char *FONT_ICON_BACKWARD_STEP = "\xEF\x81\x88";
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MAYBE_UNUSED static const char *FONT_ICON_FORWARD_STEP = "\xEF\x81\x91";
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MAYBE_UNUSED static const char *FONT_ICON_BACKWARD_FAST = "\xEF\x81\x89";
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MAYBE_UNUSED static const char *FONT_ICON_FORWARD_FAST = "\xEF\x81\x90";
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MAYBE_UNUSED static const char *FONT_ICON_KEYBOARD = "\xE2\x8C\xA8";
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MAYBE_UNUSED static const char *FONT_ICON_ELLIPSIS = "\xEF\x85\x81";
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MAYBE_UNUSED static const char *FONT_ICON_FOLDER = "\xEF\x81\xBB";
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MAYBE_UNUSED static const char *FONT_ICON_FOLDER_OPEN = "\xEF\x81\xBC";
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MAYBE_UNUSED static const char *FONT_ICON_FOLDER_TREE = "\xEF\xA0\x82";
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MAYBE_UNUSED static const char *FONT_ICON_FILM = "\xEF\x80\x88";
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MAYBE_UNUSED static const char *FONT_ICON_VIDEO = "\xEF\x80\xBD";
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MAYBE_UNUSED static const char *FONT_ICON_MAP = "\xEF\x89\xB9";
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MAYBE_UNUSED static const char *FONT_ICON_IMAGE = "\xEF\x80\xBE";
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MAYBE_UNUSED static const char *FONT_ICON_MUSIC = "\xEF\x80\x81";
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MAYBE_UNUSED static const char *FONT_ICON_FILE = "\xEF\x85\x9B";
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MAYBE_UNUSED static const char *FONT_ICON_PENCIL = "\xEF\x8C\x83";
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MAYBE_UNUSED static const char *FONT_ICON_TRASH = "\xEF\x87\xB8";
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MAYBE_UNUSED static const char *FONT_ICON_ARROWS_LEFT_RIGHT = "\xEF\x8C\xB7";
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MAYBE_UNUSED static const char *FONT_ICON_ARROWS_UP_DOWN = "\xEF\x81\xBD";
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MAYBE_UNUSED static const char *FONT_ICON_CIRCLE_PLAY = "\xEF\x85\x84";
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MAYBE_UNUSED static const char *FONT_ICON_BORDER_ALL = "\xEF\xA1\x8C";
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MAYBE_UNUSED static const char *FONT_ICON_EYE = "\xEF\x81\xAE";
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MAYBE_UNUSED static const char *FONT_ICON_EYE_SLASH = "\xEF\x81\xB0";
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MAYBE_UNUSED static const char *FONT_ICON_EYE_DROPPER = "\xEF\x87\xBB";
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MAYBE_UNUSED static const char *FONT_ICON_DICE_ONE = "\xEF\x94\xA5";
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MAYBE_UNUSED static const char *FONT_ICON_DICE_TWO = "\xEF\x94\xA8";
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MAYBE_UNUSED static const char *FONT_ICON_DICE_THREE = "\xEF\x94\xA7";
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MAYBE_UNUSED static const char *FONT_ICON_DICE_FOUR = "\xEF\x94\xA4";
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MAYBE_UNUSED static const char *FONT_ICON_DICE_FIVE = "\xEF\x94\xA3";
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MAYBE_UNUSED static const char *FONT_ICON_DICE_SIX = "\xEF\x94\xA6";
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MAYBE_UNUSED static const char *FONT_ICON_LAYER_GROUP = "\xEF\x97\xBD";
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MAYBE_UNUSED static const char *FONT_ICON_UNDO = "\xEF\x8B\xAA";
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MAYBE_UNUSED static const char *FONT_ICON_REDO = "\xEF\x8B\xB9";
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MAYBE_UNUSED static const char *FONT_ICON_ARROWS_ROTATE = "\xEF\x80\xA1";
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MAYBE_UNUSED static const char *FONT_ICON_QUESTION = "?";
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} // end namespace FontIcons
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enum ETextCursorSelectionMode
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{
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// ignore any kind of selection
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TEXT_CURSOR_SELECTION_MODE_NONE = 0,
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// calculates the selection based on the mouse press and release cursor position
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TEXT_CURSOR_SELECTION_MODE_CALCULATE,
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// sets the selection based on the character start and end count(these values have to be decoded character offsets)
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TEXT_CURSOR_SELECTION_MODE_SET,
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};
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enum ETextCursorCursorMode
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{
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// ignore any kind of cursor
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TEXT_CURSOR_CURSOR_MODE_NONE = 0,
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// calculates the cursor based on the mouse release cursor position
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TEXT_CURSOR_CURSOR_MODE_CALCULATE,
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// sets the cursor based on the current character (this value has to be decoded character offset)
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TEXT_CURSOR_CURSOR_MODE_SET,
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};
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struct STextBoundingBox
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{
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float m_X;
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float m_Y;
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float m_W;
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float m_H;
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float Right() const { return m_X + m_W; }
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float Bottom() const { return m_Y + m_H; }
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vec2 Size() const { return vec2(m_W, m_H); }
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void MoveBy(vec2 Offset)
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{
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m_X += Offset.x;
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m_Y += Offset.y;
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}
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};
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// Allow to render multi colored text in one go without having to call TextEx() multiple times.
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// Needed to allow multi colored multi line texts
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struct STextColorSplit
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{
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int m_CharIndex; // Which index within the text should the split occur
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int m_Length; // How long is the split
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ColorRGBA m_Color; // The color the text should be starting from m_CharIndex
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STextColorSplit(int CharIndex, int Length, const ColorRGBA &Color) :
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m_CharIndex(CharIndex), m_Length(Length), m_Color(Color) {}
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};
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class CTextCursor
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{
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public:
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int m_Flags;
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int m_LineCount;
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int m_GlyphCount;
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int m_CharCount;
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int m_MaxLines;
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float m_StartX;
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float m_StartY;
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float m_LineWidth;
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float m_X, m_Y;
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float m_MaxCharacterHeight;
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float m_LongestLineWidth;
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float m_FontSize;
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float m_AlignedFontSize;
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float m_LineSpacing;
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float m_AlignedLineSpacing;
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ETextCursorSelectionMode m_CalculateSelectionMode;
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float m_SelectionHeightFactor;
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// these coordinates are respected if selection mode is set to calculate @see ETextCursorSelectionMode
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vec2 m_PressMouse;
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// these coordinates are respected if selection/cursor mode is set to calculate @see ETextCursorSelectionMode / @see ETextCursorCursorMode
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vec2 m_ReleaseMouse;
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// note m_SelectionStart can be bigger than m_SelectionEnd, depending on how the mouse cursor was dragged
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// also note, that these are the character offsets decoded
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int m_SelectionStart;
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int m_SelectionEnd;
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ETextCursorCursorMode m_CursorMode;
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bool m_ForceCursorRendering;
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// note this is the decoded character offset
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int m_CursorCharacter;
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vec2 m_CursorRenderedPosition;
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// Color splits of the cursor to allow multicolored text
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std::vector<STextColorSplit> m_vColorSplits;
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float Height() const
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{
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return m_LineCount * (m_AlignedFontSize + m_AlignedLineSpacing);
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}
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STextBoundingBox BoundingBox() const
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{
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return {m_StartX, m_StartY, m_LongestLineWidth, Height()};
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}
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void Reset()
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{
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m_Flags = 0;
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m_LineCount = 0;
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m_GlyphCount = 0;
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m_CharCount = 0;
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m_MaxLines = 0;
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m_StartX = 0;
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m_StartY = 0;
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m_LineWidth = 0;
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m_X = 0;
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m_Y = 0;
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m_MaxCharacterHeight = 0;
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m_LongestLineWidth = 0;
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m_FontSize = 0;
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m_AlignedFontSize = 0;
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m_LineSpacing = 0;
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m_CalculateSelectionMode = TEXT_CURSOR_SELECTION_MODE_NONE;
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m_SelectionHeightFactor = 0;
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m_PressMouse = vec2();
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m_ReleaseMouse = vec2();
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m_SelectionStart = 0;
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m_SelectionEnd = 0;
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m_CursorMode = TEXT_CURSOR_CURSOR_MODE_NONE;
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m_ForceCursorRendering = false;
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m_CursorCharacter = 0;
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m_CursorRenderedPosition = vec2();
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m_vColorSplits.clear();
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}
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};
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struct STextContainerUsages
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{
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int m_Dummy = 0;
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};
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struct STextContainerIndex
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{
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int m_Index;
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std::shared_ptr<STextContainerUsages> m_UseCount =
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std::make_shared<STextContainerUsages>(STextContainerUsages());
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STextContainerIndex() { Reset(); }
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bool Valid() const { return m_Index >= 0; }
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void Reset() { m_Index = -1; }
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};
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struct STextSizeProperties
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{
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float *m_pHeight = nullptr;
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float *m_pAlignedFontSize = nullptr;
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float *m_pMaxCharacterHeightInLine = nullptr;
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int *m_pLineCount = nullptr;
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};
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class ITextRender : public IInterface
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{
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MACRO_INTERFACE("textrender")
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public:
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virtual void SetCursor(CTextCursor *pCursor, float x, float y, float FontSize, int Flags) const = 0;
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virtual void MoveCursor(CTextCursor *pCursor, float x, float y) const = 0;
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virtual void SetCursorPosition(CTextCursor *pCursor, float x, float y) const = 0;
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virtual void LoadFonts() = 0;
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virtual void SetFontPreset(EFontPreset FontPreset) = 0;
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virtual void SetFontLanguageVariant(const char *pLanguageFile) = 0;
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virtual void SetRenderFlags(unsigned Flags) = 0;
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virtual unsigned GetRenderFlags() const = 0;
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ColorRGBA DefaultTextColor() const { return ColorRGBA(1, 1, 1, 1); }
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ColorRGBA DefaultTextOutlineColor() const { return ColorRGBA(0, 0, 0, 0.3f); }
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ColorRGBA DefaultTextSelectionColor() const { return ColorRGBA(1.0f, 1.0f, 1.0f, 0.5f); }
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//
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virtual void TextEx(CTextCursor *pCursor, const char *pText, int Length = -1) = 0;
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virtual bool CreateTextContainer(STextContainerIndex &TextContainerIndex, CTextCursor *pCursor, const char *pText, int Length = -1) = 0;
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virtual void AppendTextContainer(STextContainerIndex TextContainerIndex, CTextCursor *pCursor, const char *pText, int Length = -1) = 0;
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// either creates a new text container or appends to a existing one
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virtual bool CreateOrAppendTextContainer(STextContainerIndex &TextContainerIndex, CTextCursor *pCursor, const char *pText, int Length = -1) = 0;
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// just deletes and creates text container
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virtual void RecreateTextContainer(STextContainerIndex &TextContainerIndex, CTextCursor *pCursor, const char *pText, int Length = -1) = 0;
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virtual void RecreateTextContainerSoft(STextContainerIndex &TextContainerIndex, CTextCursor *pCursor, const char *pText, int Length = -1) = 0;
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virtual void DeleteTextContainer(STextContainerIndex &TextContainerIndex) = 0;
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virtual void UploadTextContainer(STextContainerIndex TextContainerIndex) = 0;
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virtual void RenderTextContainer(STextContainerIndex TextContainerIndex, const ColorRGBA &TextColor, const ColorRGBA &TextOutlineColor) = 0;
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virtual void RenderTextContainer(STextContainerIndex TextContainerIndex, const ColorRGBA &TextColor, const ColorRGBA &TextOutlineColor, float X, float Y) = 0;
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virtual STextBoundingBox GetBoundingBoxTextContainer(STextContainerIndex TextContainerIndex) = 0;
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virtual void UploadEntityLayerText(const CImageInfo &TextImage, int TexSubWidth, int TexSubHeight, const char *pText, int Length, float x, float y, int FontSize) = 0;
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virtual int AdjustFontSize(const char *pText, int TextLength, int MaxSize, int MaxWidth) const = 0;
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virtual float GetGlyphOffsetX(int FontSize, char TextCharacter) const = 0;
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virtual int CalculateTextWidth(const char *pText, int TextLength, int FontWidth, int FontSize) const = 0;
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// old foolish interface
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virtual void TextColor(float r, float g, float b, float a) = 0;
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virtual void TextColor(ColorRGBA rgb) = 0;
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virtual void TextOutlineColor(float r, float g, float b, float a) = 0;
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virtual void TextOutlineColor(ColorRGBA rgb) = 0;
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virtual void TextSelectionColor(float r, float g, float b, float a) = 0;
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virtual void TextSelectionColor(ColorRGBA rgb) = 0;
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virtual void Text(float x, float y, float Size, const char *pText, float LineWidth = -1.0f) = 0;
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virtual float TextWidth(float Size, const char *pText, int StrLength = -1, float LineWidth = -1.0f, int Flags = 0, const STextSizeProperties &TextSizeProps = {}) = 0;
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virtual STextBoundingBox TextBoundingBox(float Size, const char *pText, int StrLength = -1, float LineWidth = -1.0f, float LineSpacing = 0.0f, int Flags = 0) = 0;
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virtual ColorRGBA GetTextColor() const = 0;
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virtual ColorRGBA GetTextOutlineColor() const = 0;
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virtual ColorRGBA GetTextSelectionColor() const = 0;
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virtual void OnPreWindowResize() = 0;
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virtual void OnWindowResize() = 0;
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};
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class IEngineTextRender : public ITextRender
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{
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MACRO_INTERFACE("enginetextrender")
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public:
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virtual void Init() = 0;
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virtual void Shutdown() override = 0;
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};
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|
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extern IEngineTextRender *CreateEngineTextRender();
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#endif
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