diff options
Diffstat (limited to 'engines/sci/graphics/text32.h')
| -rw-r--r-- | engines/sci/graphics/text32.h | 114 |
1 files changed, 79 insertions, 35 deletions
diff --git a/engines/sci/graphics/text32.h b/engines/sci/graphics/text32.h index 08568e4958..5de54d318f 100644 --- a/engines/sci/graphics/text32.h +++ b/engines/sci/graphics/text32.h @@ -31,7 +31,7 @@ namespace Sci { enum TextAlign { kTextAlignLeft = 0, kTextAlignCenter = 1, - kTextAlignRight = -1 + kTextAlignRight = 2 }; /** @@ -43,6 +43,10 @@ enum TextAlign { */ class GfxText32 { private: + SegManager *_segMan; + GfxCache *_cache; + GfxScreen *_screen; + /** * The resource ID of the default font used by the game. * @@ -54,6 +58,8 @@ private: /** * The width and height of the currently active text * bitmap, in text-system coordinates. + * + * @note These are unsigned in the actual engine. */ int16 _width, _height; @@ -110,29 +116,58 @@ private: */ reg_t _bitmap; + int16 _field_20; + /** * TODO: Document */ - int _field_22; + int16 _field_22; + + int _field_2C, _field_30, _field_34, _field_38; + + int16 _field_3C; /** - * The currently active font resource used to write text - * into the bitmap. - * - * @note SCI engine builds the font table directly - * inside of FontMgr; we use GfxFont instead. + * The position of the text draw cursor. */ - GfxFont *_font; - - // TODO: This is general for all CelObjMem and should be - // put in a single location, like maybe as a static - // method of CelObjMem?! - void buildBitmapHeader(byte *bitmap, const int16 width, const int16 height, const uint8 skipColor, const int16 displaceX, const int16 displaceY, const int16 scaledWidth, const int16 scaledHeight, const uint32 hunkPaletteOffset, const bool useRemap) const; + Common::Point _drawPosition; - void drawFrame(const Common::Rect &rect, const int size, const uint8 color, const bool doScaling); + void drawFrame(const Common::Rect &rect, const int16 size, const uint8 color, const bool doScaling); void drawTextBox(); void erase(const Common::Rect &rect, const bool doScaling); + void drawChar(const uint8 charIndex); + uint16 getCharWidth(const uint8 charIndex, const bool doScaling) const; + void drawText(const uint index, uint length); + + inline int scaleUpWidth(int value) const { + const int scriptWidth = g_sci->_gfxFrameout->getCurrentBuffer().scriptWidth; + return (value * scriptWidth + _scaledWidth - 1) / _scaledWidth; + } + + /** + * Gets the length of the longest run of text available + * within the currently loaded text, starting from the + * given `charIndex` and running for up to `maxWidth` + * pixels. Returns the number of characters that can be + * written, and mutates the value pointed to by + * `charIndex` to point to the index of the next + * character to render. + */ + uint getLongest(uint *charIndex, const int16 maxWidth); + + /** + * Gets the pixel width of a substring of the currently + * loaded text, without scaling. + */ + int16 getTextWidth(const uint index, uint length) const; + + /** + * Gets the pixel width of a substring of the currently + * loaded text, with scaling. + */ + int16 getTextWidth(const Common::String &text, const uint index, const uint length); + inline Common::Rect scaleRect(const Common::Rect &rect) { Common::Rect scaledRect(rect); int16 scriptWidth = g_sci->_gfxFrameout->getCurrentBuffer().scriptWidth; @@ -158,32 +193,41 @@ public: */ int16 _scaledHeight; - reg_t createFontBitmap(int16 width, int16 height, const Common::Rect &rect, const Common::String &text, const uint8 foreColor, const uint8 backColor, const uint8 skipColor, const GuiResourceId fontId, TextAlign alignment, const int16 borderColor, bool dimmed, const bool doScaling, reg_t *outBitmapObject); - - reg_t createTitledFontBitmap(CelInfo32 &celInfo, Common::Rect &rect, Common::String &text, int16 foreColor, int16 backColor, int font, int16 skipColor, int16 borderColor, bool dimmed, void *unknown1); + /** + * The currently active font resource used to write text + * into the bitmap. + * + * @note SCI engine builds the font table directly + * inside of FontMgr; we use GfxFont instead. + */ + GfxFont *_font; -#pragma mark - -#pragma mark Old stuff + /** + * Creates a plain font bitmap with a flat color + * background. + */ + reg_t createFontBitmap(int16 width, int16 height, const Common::Rect &rect, const Common::String &text, const uint8 foreColor, const uint8 backColor, const uint8 skipColor, const GuiResourceId fontId, TextAlign alignment, const int16 borderColor, bool dimmed, const bool doScaling, reg_t *outBitmapObject); - reg_t createTextBitmap(reg_t textObject, uint16 maxWidth = 0, uint16 maxHeight = 0, reg_t prevHunk = NULL_REG); - reg_t createScrollTextBitmap(Common::String text, reg_t textObject, uint16 maxWidth = 0, uint16 maxHeight = 0, reg_t prevHunk = NULL_REG); - void drawTextBitmap(int16 x, int16 y, Common::Rect planeRect, reg_t textObject); - void drawScrollTextBitmap(reg_t textObject, reg_t hunkId, uint16 x, uint16 y); - void disposeTextBitmap(reg_t hunkId); - int16 GetLongest(const char *text, int16 maxWidth, GfxFont *font); + /** + * Creates a font bitmap with a view background. + */ + reg_t createFontBitmap(const CelInfo32 &celInfo, const Common::Rect &rect, const Common::String &text, const int16 foreColor, const int16 backColor, const GuiResourceId fontId, const int16 skipColor, const int16 borderColor, const bool dimmed, reg_t *outBitmapObject); - void kernelTextSize(const char *text, int16 font, int16 maxWidth, int16 *textWidth, int16 *textHeight); + /** + * Sets the font to be used for rendering and + * calculation of text dimensions. + */ + void setFont(const GuiResourceId fontId); -private: - reg_t createTextBitmapInternal(Common::String &text, reg_t textObject, uint16 maxWidth, uint16 maxHeight, reg_t hunkId); - void drawTextBitmapInternal(int16 x, int16 y, Common::Rect planeRect, reg_t textObject, reg_t hunkId); - int16 Size(Common::Rect &rect, const char *text, GuiResourceId fontId, int16 maxWidth); - void Width(const char *text, int16 from, int16 len, GuiResourceId orgFontId, int16 &textWidth, int16 &textHeight, bool restoreFont); - void StringWidth(const char *str, GuiResourceId orgFontId, int16 &textWidth, int16 &textHeight); + /** + * Retrieves the width and height of a block of text. + */ + Common::Rect getTextSize(const Common::String &text, const int16 maxWidth, bool doScaling); - SegManager *_segMan; - GfxCache *_cache; - GfxScreen *_screen; + /** + * Retrieves the width of a line of text. + */ + int16 getStringWidth(const Common::String &text); }; } // End of namespace Sci |