ADDED: New image drawing functions, aligned with texture/text drawing -WIP-

The new functions are direct maps of the Texture2D equivalents, they can be useful for a future mapping Texture2D --> Image; an alternative 2d software renderer...

Author: raysan5

src/raylib.h

@@ -1431,19 +1431,23 @@ RLAPI void ImageDrawTriangleStrip(Image *dst, const Vector2 *points, int pointCo
 RLAPI void ImageDrawRectangle(Image *dst, int posX, int posY, int width, int height, Color color);       // Draw rectangle within an image
 RLAPI void ImageDrawRectangleV(Image *dst, Vector2 position, Vector2 size, Color color);                 // Draw rectangle within an image (Vector version)
 RLAPI void ImageDrawRectangleRec(Image *dst, Rectangle rec, Color color);                                // Draw rectangle within an image
+RLAPI void ImageDrawRectanglePro(Image *dst, Rectangle rec, Vector2 origin, float rotation, Color color); // Draw a color-filled rectangle with pro parameters within and image
 RLAPI void ImageDrawRectangleLines(Image *dst, int posX, int posY, int width, int height, Color color);  // Draw rectangle lines within an image
 RLAPI void ImageDrawRectangleLinesEx(Image *dst, Rectangle rec, int thick, Color color);                 // Draw rectangle lines within an image with line thickness
+RLAPI void ImageDrawRectangleGradientEx(Image *dst, Rectangle rec, Color col1, Color col2, Color col3, Color col4); // Draw rectangle with gradient colors within an image, counter-clockwise color order
 RLAPI void ImageDrawCircle(Image *dst, int centerX, int centerY, int radius, Color color);               // Draw a filled circle within an image
 RLAPI void ImageDrawCircleV(Image *dst, Vector2 center, int radius, Color color);                        // Draw a filled circle within an image (Vector version)
 RLAPI void ImageDrawCircleLines(Image *dst, int centerX, int centerY, int radius, Color color);          // Draw circle outline within an image
 RLAPI void ImageDrawCircleLinesV(Image *dst, Vector2 center, int radius, Color color);                   // Draw circle outline within an image (Vector version)
 RLAPI void ImageDrawCircleGradient(Image *dst, Vector2 center, float radius, Color inner, Color outer);  // Draw a gradient-filled circle within an image
 
 RLAPI void ImageDrawImage(Image *dst, Image src, int posX, int posY, Color tint);                      // Draw an image within an image
+RLAPI void ImageDrawImageEx(Image *dst, Image src, Vector2 position, float rotation, float scale, Color tint); // Draw an image with scaling and rotation within an image
 RLAPI void ImageDrawImageRec(Image *dst, Image src, Rectangle srcRec, Vector2 position, Color tint);     // Draw a part of an image defined by a rectangle within an image
 RLAPI void ImageDrawImagePro(Image *dst, Image src, Rectangle srcRec, Rectangle dstRec, Vector2 origin, float rotation, Color tint); // Draw a part of an image defined by a rectangle into destination rectangle, with scaling and rotation, within an image
 RLAPI void ImageDrawText(Image *dst, const char *text, int posX, int posY, int fontSize, Color color);   // Draw text (using default font) within an image (destination)
 RLAPI void ImageDrawTextEx(Image *dst, Font font, const char *text, Vector2 position, float fontSize, float spacing, Color tint); // Draw text (custom sprite font) within an image (destination)
+RLAPI void ImageDrawTextPro(Image *dst, Font font, const char *text, Vector2 position, Vector2 origin, float rotation, float fontSize, float spacing, Color tint); // Draw text using Font and pro parameters (rotation)
 
 // Texture loading functions
 // NOTE: These functions require GPU access

src/rtextures.c

@@ -3918,6 +3918,12 @@ void ImageDrawRectangleRec(Image *dst, Rectangle rec, Color color)
     }
 }
 
+// Draw a color-filled rectangle with pro parameters within and image
+void ImageDrawRectanglePro(Image *dst, Rectangle rec, Vector2 origin, float rotation, Color color)
+{
+    // TODO: NEW: Implement ImageDrawRectanglePro()
+}
+
 // Draw rectangle lines within an image
 void ImageDrawRectangleLines(Image *dst, int posX, int posY, int width, int height, Color color)
 {
@@ -3934,6 +3940,12 @@ void ImageDrawRectangleLinesEx(Image *dst, Rectangle rec, int thick, Color color
     ImageDrawRectangle(dst, (int)rec.x, (int)(rec.y + rec.height - thick), (int)rec.width, thick, color);
 }
 
+// Draw rectangle with gradient colors within an image, counter-clockwise color order
+void ImageDrawRectangleGradientEx(Image *dst, Rectangle rec, Color col1, Color col2, Color col3, Color col4)
+{
+    // TODO: NEW: Implement ImageDrawRectangleGradientEx()
+}
+
 // Draw circle within an image
 void ImageDrawCircle(Image *dst, int centerX, int centerY, int radius, Color color)
 {
@@ -4001,7 +4013,7 @@ void ImageDrawCircleLinesV(Image *dst, Vector2 center, int radius, Color color)
 // Draw a gradient-filled circle within an image
 void ImageDrawCircleGradient(Image *dst, Vector2 center, float radius, Color inner, Color outer)
 {
-    // TODO: Implement gradient circle drawing
+    // TODO: NEW: Implement ImageDrawCircleGradient()
 }
 
 // Draw an image within an image
@@ -4012,6 +4024,12 @@ void ImageDrawImage(Image *dst, Image src, int posX, int posY, Color tint)
     ImageDrawImagePro(dst, src, srcRec, dstRec, (Vector2){ 0 }, 0.0f, tint);
 }
 
+// Draw an image with scaling and rotation within an image
+void ImageDrawImageEx(Image *dst, Image src, Vector2 position, float rotation, float scale, Color tint)
+{
+    // TODO: NEW: Implement ImageDrawImageEx()
+}
+
 // Draw a part of an image defined by a rectangle within an image
 void ImageDrawImageRec(Image *dst, Image src, Rectangle srcRec, Vector2 position, Color tint)
 {
@@ -4020,8 +4038,7 @@ void ImageDrawImageRec(Image *dst, Image src, Rectangle srcRec, Vector2 position
 }
 
 // Draw a part of an image defined by a rectangle into destination rectangle, with scaling and rotation, within an image
-// NOTE: Color tint is applied to source image
-// TODO: WARNING: origin and rotation are not implemented
+// TODO: REVIEW: ImageDrawImagePro(), implement origin and rotation for image drawing
 void ImageDrawImagePro(Image *dst, Image src, Rectangle srcRec, Rectangle dstRec, Vector2 origin, float rotation, Color tint)
 {
     // Security check to avoid program crash
@@ -4199,6 +4216,12 @@ void ImageDrawTextEx(Image *dst, Font font, const char *text, Vector2 position,
     UnloadImage(imText);
 }
 
+// Draw text using Font and pro parameters (rotation)
+void ImageDrawTextPro(Image *dst, Font font, const char *text, Vector2 position, Vector2 origin, float rotation, float fontSize, float spacing, Color tint)
+{
+    // TODO: NEW: Implement ImageDrawImageEx()
+}
+
 //------------------------------------------------------------------------------------
 // Texture loading functions
 //------------------------------------------------------------------------------------