C funcs to create/delete fonts.

ClassicalSharp/2D/Screens/InventoryScreen.cs

@@ -26,7 +26,7 @@ namespace ClassicalSharp.Gui.Screens {
 		void InitTableWidget() {
 			table = new TableWidget(game);
 			table.font = font;
-			table.ElementsPerRow = game.ClassicMode && !game.ClassicHacks ? 9 : 10;
+			table.ElementsPerRow = game.PureClassic ? 9 : 10;
 			table.Init();
 		}
 		

src/Client/Constants.h

@@ -49,4 +49,9 @@
 #define SkinType_64x64 1
 #define SkinType_64x64Slim 2
 #define SkinType_Invalid 3
+
+#define FONT_STYLE_NORMAL    0
+#define FONT_STYLE_ITALIC    1
+#define FONT_STYLE_BOLD      2
+#define FONT_STYLE_UNDERLINE 3
 #endif

src/Client/Drawer2D.c

@@ -4,9 +4,9 @@
 #include "Platform.h"
 #include "ExtMath.h"
 
-void DrawTextArgs_Make(DrawTextArgs* args, STRING_REF String* text, void* font, bool useShadow) {
+void DrawTextArgs_Make(DrawTextArgs* args, STRING_REF String* text, FontDesc* font, bool useShadow) {
 	args->Text = *text;
-	args->Font = font;
+	args->Font = *font;
 	args->UseShadow = useShadow;
 }
 
@@ -113,7 +113,7 @@ void Drawer2D_Clear(PackedCol col, Int32 x, Int32 y, Int32 width, Int32 height)
 void Drawer2D_DrawText(DrawTextArgs* args, Int32 x, Int32 y);
 Size2D Drawer2D_MeasureText(DrawTextArgs* args);
 
-Int32 Drawer2D_FontHeight(void* font, bool useShadow) {
+Int32 Drawer2D_FontHeight(FontDesc* font, bool useShadow) {
 	DrawTextArgs args;
 	String text = String_FromConstant("I");
 	DrawTextArgs_Make(&args, &text, font, useShadow);

src/Client/Drawer2D.h

@@ -10,13 +10,7 @@ Copyright 2017 ClassicalSharp | Licensed under BSD-3
 #include "2DStructs.h"
 #include "Texture.h"
 
-/* Contains arguments for measuring or drawing text. */
+void DrawTextArgs_Make(DrawTextArgs* args, STRING_REF String* text, FontDesc* font, bool useShadow);
-typedef struct DrawTextArgs_ {
-	String Text;
-	void* Font;
-	bool UseShadow;
-} DrawTextArgs;
-void DrawTextArgs_Make(DrawTextArgs* args, STRING_REF String* text, void* font, bool useShadow);
 
 const float Offset = 1.3f;
 
@@ -42,7 +36,7 @@ void Drawer2D_Clear(PackedCol col, Int32 x, Int32 y, Int32 width, Int32 height);
 
 void Drawer2D_DrawText(DrawTextArgs* args, Int32 x, Int32 y);
 Size2D Drawer2D_MeasureText(DrawTextArgs* args);
-Int32 Drawer2D_FontHeight(void* font, bool useShadow);
+Int32 Drawer2D_FontHeight(FontDesc* font, bool useShadow);
 
 Texture Drawer2D_MakeTextTexture(DrawTextArgs* args, Int32 windowX, Int32 windowY);
 Texture Drawer2D_Make2DTexture(Bitmap* bmp, Size2D used, Int32 windowX, Int32 windowY);

src/Client/Platform.h

@@ -56,4 +56,9 @@ UInt32 Platform_FileLength(void* file);
 
 /* Blocks the calling thread for given number of milliseconds. */
 void Platform_ThreadSleep(UInt32 milliseconds);
+
+/* Allocates handle for the given font. */
+void Platform_MakeFont(FontDesc* desc);
+/* Frees handle for the given font. */
+void Platform_FreeFont(FontDesc* desc);
 #endif

src/Client/Screens.c

@@ -1,5 +1,7 @@
 #include "Screens.h"
 #include "Widgets.h"
+#include "Game.h"
+#include "Events.h"
 
 void Screen_FreeWidgets(Widget** widgets, UInt32 widgetsCount) {
 	if (widgets == NULL) return;

src/Client/String.c

@@ -157,7 +157,7 @@ bool String_AppendConst(STRING_TRANSIENT String* str, const UInt8* buffer) {
 	return true;
 }
 
-bool String_AppendString(STRING_TRANSIENT String* str, String* buffer) {
+bool String_AppendString(STRING_TRANSIENT String* str, STRING_TRANSIENT String* buffer) {
 	Int32 i;
 
 	for (i = 0; i < buffer->length; i++) {
@@ -184,10 +184,39 @@ Int32 String_LastIndexOf(STRING_TRANSIENT String* str, UInt8 c) {
 }
 
 UInt8 String_CharAt(STRING_TRANSIENT String* str, Int32 offset) {
-	if (offset < 0 || offset >= str->length) return 0;
+	if (offset < 0 || offset >= str->length) return NULL;
 	return str->buffer[offset];
 }
 
+void String_InsertAt(STRING_TRANSIENT String* str, UInt8 c, Int32 offset) {
+	if (offset < 0 || offset > str->length) {
+		ErrorHandler_Fail("Offset for InsertAt out of range");
+	}
+	if (str->length == str->capacity) {
+		ErrorHandler_Fail("Cannot insert character into full string");
+	}
+
+	Int32 i;
+	for (i = str->length; i > offset; i--) {
+		str->buffer[i] = str->buffer[i - 1];
+	}
+	str->buffer[offset] = c;
+	str->length++;
+}
+
+void String_DeleteAt(STRING_TRANSIENT String* str, Int32 offset) {
+	if (offset < 0 || offset >= str->length) {
+		ErrorHandler_Fail("Offset for DeleteAt out of range");
+	}
+
+	Int32 i;
+	for (i = offset; i < str->length - 1; i++) {
+		str->buffer[i] = str->buffer[i + 1];
+	}
+	str->buffer[str->length - 1] = NULL;
+	str->length--;
+}
+
 Int32 String_IndexOfString(STRING_TRANSIENT String* str, STRING_TRANSIENT String* sub) {
 	Int32 i, j;
 	/* Special case, sub is an empty string*/

src/Client/String.h

@@ -63,6 +63,10 @@ Int32 String_IndexOf(STRING_TRANSIENT String* str, UInt8 c, Int32 offset);
 Int32 String_LastIndexOf(STRING_TRANSIENT String* str, UInt8 c);
 /* Gets the character at the given index in the string. */
 UInt8 String_CharAt(STRING_TRANSIENT String* str, Int32 offset);
+/* Inserts a character at the given index in the string. */
+void String_InsertAt(STRING_TRANSIENT String* str, UInt8 c, Int32 offset);
+/* Deletes a character at the given index in the string. */
+void String_DeleteAt(STRING_TRANSIENT String* str, Int32 offset);
 
 /* Find the first index of sub in given string, -1 if not found. */
 Int32 String_IndexOfString(STRING_TRANSIENT String* str, STRING_TRANSIENT String* sub);

src/Client/Typedefs.h

@@ -45,6 +45,9 @@ typedef UInt8 Face;
 /* Skin layout a humanoid skin texture can have. */
 typedef UInt8 SkinType;
 
+typedef struct FontDesc_ { void* Handle; UInt16 Size, Style; } FontDesc;
+typedef struct DrawTextArgs_ { String Text; FontDesc Font; bool UseShadow; } DrawTextArgs;
+
 #define UInt8_MaxValue   ((UInt8)0xFF)
 #define Int16_MaxValue   ((Int16)0x7FFF)
 #define UInt16_MaxValue  ((UInt16)0xFFFF)

src/Client/Widgets.c

@@ -18,7 +18,7 @@ void Widget_SetLocation(Widget* widget, Anchor horAnchor, Anchor verAnchor, Int3
 
 void TextWidget_SetHeight(TextWidget* widget, Int32 height) {
 	if (widget->ReducePadding) {
-		Drawer2D_ReducePadding_Height(&height, font.Size, 4);
+		Drawer2D_ReducePadding_Height(&height, widget->Font.Size, 4);
 	}
 	widget->DefaultHeight = height;
 	widget->Base.Height = height;
@@ -26,7 +26,7 @@ void TextWidget_SetHeight(TextWidget* widget, Int32 height) {
 
 void TextWidget_Init(GuiElement* elem) {
 	TextWidget* widget = (TextWidget*)elem;
-	Int32 height = Drawer2D_FontHeight(widget->Font, true);
+	Int32 height = Drawer2D_FontHeight(&widget->Font, true);
 	TextWidget_SetHeight(widget, height);
 }
 
@@ -50,11 +50,11 @@ void TextWidget_Reposition(Widget* elem) {
 	widget->Texture.Y += elem->Y - oldY;
 }
 
-void TextWidget_Create(TextWidget* widget, STRING_TRANSIENT String* text, void* font) {
+void TextWidget_Create(TextWidget* widget, STRING_TRANSIENT String* text, FontDesc* font) {
 	Widget_Init(&widget->Base);
 	PackedCol col = PACKEDCOL_WHITE;
 	widget->Col = col;
-	widget->Font = font;
+	widget->Font = *font;
 	widget->Base.Reposition  = TextWidget_Reposition;
 	widget->Base.Base.Init   = TextWidget_Init;
 	widget->Base.Base.Render = TextWidget_Render;
@@ -69,10 +69,10 @@ void TextWidget_SetText(TextWidget* widget, STRING_TRANSIENT String* text) {
 		elem->Width = 0; elem->Height = widget->DefaultHeight;
 	} else {
 		DrawTextArgs args;
-		DrawTextArgs_Make(&args, text, widget->Font, true);
+		DrawTextArgs_Make(&args, text, &widget->Font, true);
 		widget->Texture = Drawer2D_MakeTextTexture(&args, 0, 0);
 		if (widget->ReducePadding) {
-			Drawer2D_ReducePadding_Tex(&widget->Texture, font.Size, 4);
+			Drawer2D_ReducePadding_Tex(&widget->Texture, widget->Font.Size, 4);
 		}
 
 		elem->Width = widget->Texture.Width; elem->Height = widget->Texture.Height;
@@ -91,7 +91,7 @@ PackedCol Button_DisabledCol = PACKEDCOL_CONST(160, 160, 160, 255);
 
 void ButtonWidget_Init(GuiElement* elem) {
 	ButtonWidget* widget = (ButtonWidget*)elem;
-	widget->DefaultHeight = Drawer2D_FontHeight(widget->Font, true);
+	widget->DefaultHeight = Drawer2D_FontHeight(&widget->Font, true);
 	widget->Base.Height = widget->DefaultHeight;
 }
 
@@ -143,14 +143,14 @@ void ButtonWidget_Render(GuiElement* elem, Real64 delta) {
 	Texture_RenderShaded(&widget->Texture, col);
 }
 
-void ButtonWidget_Create(ButtonWidget* widget, STRING_TRANSIENT String* text, Int32 minWidth, void* font, Gui_MouseHandler onClick) {
+void ButtonWidget_Create(ButtonWidget* widget, STRING_TRANSIENT String* text, Int32 minWidth, FontDesc* font, Gui_MouseHandler onClick) {
 	Widget_Init(&widget->Base);
 	widget->Base.Base.Init   = ButtonWidget_Init;
 	widget->Base.Base.Render = ButtonWidget_Render;
 	widget->Base.Base.Free   = ButtonWidget_Free;
 	widget->Base.Reposition  = ButtonWidget_Reposition;
 
-	widget->Font = font;
+	widget->Font = *font;
 	GuiElement* elem = &widget->Base.Base;
 	elem->Init(elem);
 	widget->MinWidth = minWidth; widget->MinHeight = 40;
@@ -166,7 +166,7 @@ void ButtonWidget_SetText(ButtonWidget* widget, STRING_TRANSIENT String* text) {
 		elem->Width = 0; elem->Height = widget->DefaultHeight;
 	} else {
 		DrawTextArgs args;
-		DrawTextArgs_Make(&args, text, widget->Font, true);
+		DrawTextArgs_Make(&args, text, &widget->Font, true);
 		widget->Texture = Drawer2D_MakeTextTexture(&args, 0, 0);
 		elem->Width  = max(widget->Texture.Width,  widget->MinWidth);
 		elem->Height = max(widget->Texture.Height, widget->MinHeight);
@@ -571,7 +571,7 @@ void TableWidget_RecreateDescTex(TableWidget* widget) {
 	TableWidget_MakeBlockDesc(&desc, block);
 
 	DrawTextArgs args;
-	DrawTextArgs_Make(&args, &desc, widget->Font, true);
+	DrawTextArgs_Make(&args, &desc, &widget->Font, true);
 	widget->DescTex = Drawer2D_MakeTextTexture(&args, 0, 0);
 	TableWidget_UpdateDescTexPos(widget);
 }

src/Client/Widgets.h

@@ -16,13 +16,13 @@ typedef struct TextWidget_ {
 	Widget Base;
 	Texture Texture;
 	Int32 DefaultHeight;
-	void* Font;
+	FontDesc Font;
 
 	bool ReducePadding;
 	PackedCol Col;
 } TextWidget;
 
-void TextWidget_Create(TextWidget* widget, STRING_TRANSIENT String* text, void* font);
+void TextWidget_Create(TextWidget* widget, STRING_TRANSIENT String* text, FontDesc* font);
 void TextWidget_SetText(TextWidget* widget, STRING_TRANSIENT String* text);
 
 
@@ -33,7 +33,7 @@ typedef struct ButtonWidget_ {
 	Widget Base;
 	Texture Texture;
 	Int32 DefaultHeight;
-	void* Font;
+	FontDesc Font;
 
 	String OptName;
 	ButtonWidget_GetValue GetValue;
@@ -41,7 +41,7 @@ typedef struct ButtonWidget_ {
 	Int32 MinWidth, MinHeight, Metadata;
 } ButtonWidget;
 
-void ButtonWidget_Create(ButtonWidget* widget, STRING_TRANSIENT String* text, Int32 minWidth, void* font, Gui_MouseHandler onClick);
+void ButtonWidget_Create(ButtonWidget* widget, STRING_TRANSIENT String* text, Int32 minWidth, FontDesc* font, Gui_MouseHandler onClick);
 void ButtonWidget_SetText(ButtonWidget* widget, STRING_TRANSIENT String* text);
 
 
@@ -49,8 +49,8 @@ typedef struct ScrollbarWidget_ {
 	Widget Base;
 	Int32 TotalRows, ScrollY;
 	Real32 ScrollingAcc;
-	bool DraggingMouse;
 	Int32 MouseOffset;
+	bool DraggingMouse;
 } ScrollbarWidget;
 
 void ScrollbarWidget_Create(ScrollbarWidget* widget);
@@ -62,8 +62,8 @@ typedef struct HotbarWidget_ {
 	Texture SelTex, BackTex;
 	Real32 BarHeight, SelBlockSize, ElemSize;
 	Real32 BarXOffset, BorderSize;
-	bool AltHandled;
 	Real32 ScrollAcc;
+	bool AltHandled;
 } HotbarWidget;
 
 void HotbarWidget_Create(HotbarWidget* widget);
@@ -73,11 +73,11 @@ typedef struct TableWidget_ {
 	Widget Base;
 	Int32 ElementsCount, ElementsPerRow, RowsCount;
 	Int32 LastCreatedIndex;
-	void* Font;
+	FontDesc Font;
-	bool PendingClose;
 	Int32 SelectedIndex, BlockSize;
 	Real32 SelBlockExpand;
 	GfxResourceID VB;
+	bool PendingClose;
 
 	BlockID Elements[BLOCK_COUNT];
 	ScrollbarWidget Scroll;
@@ -103,13 +103,13 @@ void SpecialInputTab_Init(SpecialInputTab* tab, STRING_REF String* title,
 typedef struct SpecialInputWidget_ {
 	Widget Base;
 	Texture Tex;
-	void* Font;
+	FontDesc Font;
 	SpecialInputAppendFunc AppendFunc;
 	Size2D ElementSize;
 	SpecialInputTab Tabs[5];
 } SpecialInputWidget;
 
-void SpecialInputWidget_Create(SpecialInputWidget* widget, void* font, SpecialInputAppendFunc appendFunc);
+void SpecialInputWidget_Create(SpecialInputWidget* widget, FontDesc* font, SpecialInputAppendFunc appendFunc);
 void SpecialInputWidget_UpdateColours(SpecialInputWidget* widget);
 void SpecialInputWidget_SetActive(SpecialInputWidget* widget, bool active);
 void SpecialInputWidget_Redraw(SpecialInputWidget* widget);
@@ -120,7 +120,7 @@ struct InputWidget_;
 /* Remakes the raw texture containing all the chat lines. Also updates the dimensions of the widget. */
 typedef struct InputWidget_ {
 	Widget Base;
-	void* Font;	
+	FontDesc Font;	
 	Int32 MaxLines;
 	Int32 MaxCharsPerLine;
 	Int32 Padding;
@@ -144,7 +144,7 @@ typedef struct InputWidget_ {
 	Real64 CaretAccumulator;
 } InputWidget;
 
-void InputWidget_Create(InputWidget* widget, void* font);
+void InputWidget_Create(InputWidget* widget, FontDesc* font);
 /* Calculates the sizes of each line in the text buffer. */
 void InputWidget_CalculateLineSizes(InputWidget* widget);
 /* Calculates the location and size of the caret character. */
@@ -176,15 +176,14 @@ typedef struct LinkData_ {
 typedef struct TextGroupWidget_ {
 	Widget Base;
 	Int32 LinesCount, DefaultHeight;
-	void* Font;
+	FontDesc Font, UnderlineFont;	
-	void* UnderlineFont;	
 	bool PlaceholderHeight[TEXTGROUPWIDGET_MAX_LINES];
 	String Lines[TEXTGROUPWIDGET_MAX_LINES];
 	LinkData LinkDatas[TEXTGROUPWIDGET_MAX_LINES];
 	Texture Textures[TEXTGROUPWIDGET_MAX_LINES];
 } TextGroupWidget;
 
-void TextGroupWidget_Create(TextGroupWidget* widget, Int32 linesCount, void* font, void* underlineFont);
+void TextGroupWidget_Create(TextGroupWidget* widget, Int32 linesCount, FontDesc* font, FontDesc* underlineFont);
 void TextGroupWidget_SetUsePlaceHolder(TextGroupWidget* widget, Int32 index, bool placeHolder);
 void TextGroupWidget_PushUpAndReplaceLast(TextGroupWidget* widget, STRING_TRANSIENT String* text);
 Int32 TextGroupWidget_GetUsedHeight(TextGroupWidget* widget);

src/Client/WinPlatform.c

@@ -1,6 +1,7 @@
 #include "Platform.h"
 #include "Stream.h"
 #include "DisplayDevice.h"
+#include "ExtMath.h"
 #define WIN32_LEAN_AND_MEAN
 #include <Windows.h>
 
@@ -61,7 +62,7 @@ void Platform_MemCpy(void* dst, void* src, UInt32 numBytes) {
 }
 
 
-void Platform_Log(String message) {
+void Platform_Log(STRING_TRANSIENT String* message) {
 	/* TODO: log to console */
 }
 
@@ -173,3 +174,25 @@ UInt32 Platform_FileLength(void* file) {
 void Platform_ThreadSleep(UInt32 milliseconds) {
 	Sleep(milliseconds);
 }
+
+
+void Platform_MakeFont(FontDesc* desc) {
+	LOGFONTA font = { 0 };
+	font.lfHeight    = -Math_Ceil(desc->Size * GetDeviceCaps(hDC, LOGPIXELSY) / 72.0f);
+	font.lfItalic    = desc->Style == FONT_STYLE_ITALIC;
+	font.lfUnderline = desc->Style == FONT_STYLE_UNDERLINE;
+	font.lfWeight    = desc->Style == FONT_STYLE_BOLD ? FW_BOLD : FW_NORMAL;
+	font.lfQuality   = ANTIALIASED_QUALITY;
+
+	desc->Handle = CreateFontIndirectA(&font);
+	if (desc->Handle == NULL) {
+		ErrorHandler_Fail("Creating font handle failed");
+	}
+}
+
+void Platform_FreeFont(FontDesc* desc) {
+	if (!DeleteObject(desc->Handle)) {
+		ErrorHandler_Fail("Deleting font handle failed");
+	}
+	desc->Handle = NULL;
+}

src/Client/WordWrap.c

@@ -36,7 +36,8 @@ Int32 WordWrap_WrapLine(String* text, Int32 index, Int32 lineSize) {
 		if (!WordWrap_IsWrapper(text->buffer[i])) continue;
 
 		for (Int32 j = lineEnd; j >= i + 1; j--) {
-			InsertAt(index + lineSize, text->buffer[j]);
+			UInt8 c = text->buffer[j];
+			String_InsertAt(text, index + lineSize, c);
 			text->buffer[j] = ' ';
 		}
 		return (i + 1) - index;